WO2023248172A1 - Oil temperature regulation assembly - Google Patents

Oil temperature regulation assembly Download PDF

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Publication number
WO2023248172A1
WO2023248172A1 PCT/IB2023/056458 IB2023056458W WO2023248172A1 WO 2023248172 A1 WO2023248172 A1 WO 2023248172A1 IB 2023056458 W IB2023056458 W IB 2023056458W WO 2023248172 A1 WO2023248172 A1 WO 2023248172A1
Authority
WO
WIPO (PCT)
Prior art keywords
oil
temperature regulation
group
assembly
mouth
Prior art date
Application number
PCT/IB2023/056458
Other languages
French (fr)
Inventor
Giorgio Girondi
Original Assignee
Ufi Innovation Center S.R.L.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ufi Innovation Center S.R.L. filed Critical Ufi Innovation Center S.R.L.
Publication of WO2023248172A1 publication Critical patent/WO2023248172A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/002—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
    • F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
    • F01M5/005—Controlling temperature of lubricant
    • F01M5/007—Thermostatic control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F27/00—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus
    • F28F27/02—Control arrangements or safety devices specially adapted for heat-exchange or heat-transfer apparatus for controlling the distribution of heat-exchange media between different channels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/02—Header boxes; End plates
    • F28F9/0246—Arrangements for connecting header boxes with flow lines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0089—Oil coolers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/06—Derivation channels, e.g. bypass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2280/00—Mounting arrangements; Arrangements for facilitating assembling or disassembling of heat exchanger parts
    • F28F2280/06—Adapter frames, e.g. for mounting heat exchanger cores on other structure and for allowing fluidic connections

Definitions

  • the present invention relates to an oil temperature regulation assembly. Furthermore, the present invention relates to an oil regulation and control system comprising said oil temperature regulation assembly and a detection sensor for detecting the characteristics of the oil.
  • the present invention relates to the automotive field.
  • the oil temperature regulation assembly object of the present invention finds, in fact, specific application in a vehicle, for example for the purpose of regulating the temperature of the oil circulating in an oil circulation system.
  • the oil temperature regulation assembly is mountable to an operating assembly of a vehicle to be fluidically connected with the oil circulation system of said operating assembly.
  • the oil temperature regulation assembly is coupable to a sensor for detecting the characteristics of the oil, for example the pressure and/or temperature thereof.
  • operating assembly refers to a component or group of components in which there is an oil circulation system, such as an engine assembly and/or a transmission assembly.
  • oil temperature regulation assembly object of the present invention is also fluidically connectable to a water system of the vehicle, or in general, to a cooling system.
  • water when we mean a water-based coolant.
  • oil temperature regulation assembly solutions are known, which are connectable to an oil circulation system, comprising a plate heat exchanger group suitable for performing oil temperature regulation operations.
  • the oil temperature regulation assemblies have particularly complex geometries and layouts, in particular with reference to the interfaces provided for mounting the detection sensors and for the operational connection thereof to the oil circuit.
  • the object of the present invention to provide an oil temperature regulation assembly which has a simplified layout of the ducts, allowing an easy use of a detection sensor.
  • FIG. 1 shows a perspective view in separate parts of an oil regulation and control system which comprises an oil temperature regulation assembly according to the present invention, according to a first embodiment
  • Figure 2 shows a side view in separate parts, in section, of the oil regulation and control system of Figure 1;
  • FIG. 3 shows a sectional view of the oil regulation and control system of Figure 1;
  • FIG. 4 shows a perspective view in separate parts of an oil regulation and control system which comprises an oil temperature regulation assembly according to the present invention, according to a second embodiment
  • Figure 5 shows a side view in separate parts, in section, of the oil regulation and control system of Figure 4;
  • FIG. 6 shows a sectional view of the oil regulation and control system of Figure 4.
  • FIG. 7 shows a perspective view in separate parts of an oil regulation and control system which comprises an oil temperature regulation assembly according to the present invention, according to a third embodiment
  • Figure 8 shows a side view in separate parts, in section, of the oil regulation and control system of Figure 7;
  • Figure 9 shows a sectional view of the oil regulation and control system of Figure 7;
  • Figure 10 shows a bottom view of a first plate- like element comprised in a support base comprised in the oil temperature regulation assembly of Figure 7;
  • FIG. 11 shows a perspective view in separate parts of an oil regulation and control system which comprises an oil temperature regulation assembly according to the present invention, according to a forth embodiment
  • Figure 12 shows a side view in separate parts, in section, of the oil regulation and control system of Figure 11;
  • FIG. 13 shows a sectional view of the oil regulation and control system of Figure 11;
  • Figure 14 shows a bottom view of a first plate- like element comprised in a support base comprised in the oil temperature regulation assembly of Figure 11.
  • reference number 1 indicates an oil temperature regulation assembly according to the present invention.
  • the oil temperature regulation assembly 1 object of the present invention is mountable to an operating assembly of a vehicle.
  • said operating assembly is an engine assembly, for example an internal combustion engine, or a transmission assembly.
  • the oil temperature regulation assembly 1 object of the present invention is fluidically connectable to an oil circulation system of said operating assembly and to a cooling system of said operating assembly or of said vehicle.
  • the oil temperature regulation assembly is coupable with a detection sensor 999.
  • the detection sensor 999 is suitable for detecting the oil temperature.
  • the detection sensor 999 is suitable for detecting the oil pressure.
  • the detection sensor 999 comprises an electrical connector (not shown) suitable for connecting the detection sensor 999 to a control unit of the vehicle (also known as ECU) on which the oil temperature regulation assembly 1 is installed, and to transmit the measurement data detected by the detection sensor 999 to said control unit.
  • a control unit of the vehicle also known as ECU
  • reference number 900 indicates an oil regulation and control system according to the present invention.
  • the oil regulation and control system 900 comprises the oil temperature regulation assembly 1 and the detection sensor 999.
  • the oil temperature regulation assembly 1 identifies a vertical axis V-V and two longitudinal axes X-X, Y-Y.
  • the two longitudinal axes X-X, Y-Y lie on the same imaginary plane which is orthogonal to the vertical axis V-V.
  • the oil temperature regulation assembly 1 comprises a heat exchanger group 2.
  • the heat exchanger group 2 is suitable for allowing, depending on the needs, a regulation of the temperature of the oil.
  • the oil temperature regulation assembly 1 comprises a fluidic connection and support group 3 engaged with the heat exchanger group 2 to support it and fluidically connect it to an operating assembly.
  • the heat exchanger group 2 comprises a plurality of plate-like exchanger elements 20 superimposed vertically, defining ducts through which oil and water respectively flow.
  • plate-like exchanger elements 20 are specially shaped presenting appropriate passage openings, side edges and walls which extend vertically, orthogonally to the preferential planar extension.
  • the heat exchanger group 2 comprises, defined by the overlap of the plate-like exchanger elements 20, an oil region 21 in which oil flows and a water region 22 in which cooling liquid flows.
  • said oil region 21, in which oil flows comprises at least two vertical oil ducts 211, respectively inlet and outlet ducts, and longitudinal oil ducts 212.
  • Said water region 22, in which cooling liquid flows comprises at least two vertical water ducts 221, respectively inlet and outlet ducts, and longitudinal water ducts 222, positioned alternated with the longitudinal oil ducts 212.
  • the heat exchanger group 2 comprises oil mouths 2111, in which each oil mouth 2111 is in fluid communication with the respective vertical oil duct 211.
  • the heat exchanger group 2 comprises oil mouths 2111, in which each oil mouth 2111 is preferably positioned at the vertical oil ducts 211.
  • the heat exchanger group 2 comprises water mouths 2211 at the vertical water ducts 221.
  • At least one oil mouth 2111 is, or both oil mouths 2111 are, fluidically connected to the fluidic connection and support group 3.
  • said at least one oil mouth 2111 is configured as an outlet oil mouth 2111 and is fluidically connected to the fluidic connection and support group 3 so that the oil which has been subject to the temperature regulation operations flows to the operating assembly of the vehicle.
  • at least one oil mouth 2111 preferably both oil mouths 2111, are facing respective fluidic mouths and/or passages of the fluidic connection and support group 3.
  • the water mouths 2211 are positioned distal from the fluidic connection and support group 3, for example on the face thereof which is opposite with respect to the one in which said fluidic connection and support group 3 engages the heat exchanger group 2 or on the closing plate of the heat exchanger group 2.
  • said plate-like exchanger elements 200 are made of metal.
  • said plate-like exchanger elements 200 are made of aluminum alloy or steel.
  • said plate-like exchanger elements 200 are solidly joined together by means of a brazing operation.
  • the oil temperature regulation assembly 1 object of the present invention further comprises a fluidic connection and support group 3 engageable with the operating assembly of the vehicle. That is, the fluidic connection and support group 3 is directly fixable to the operating assembly.
  • Said fluidic connection and support group 3 is suitable for placing the operating assembly in fluidic connection with the heat exchanger group 2. That is, by means of the fluidic connection and support group 3, the heat exchanger group 2 is directly connectable to the circuits present in the operating assembly.
  • the fluid connection and support group 3 comprises a support base 4 fluidically connected to the at least one oil mouth 2111.
  • the fluidic connection and support group 3 comprises a support base 4 with at least one opening fluidically connected to the at least one oil mouth 2111.
  • the fluidic connection and support group 3 comprises a support base 4 with two openings, each fluidically connected to the respective oil mouth 2111.
  • the support base [0061]According to the present invention, the support base
  • control duct 400 comprises a control duct 400.
  • said control duct 400 extends inside the support base 4, substantially longitudinally.
  • Said control duct 400 is fluidically connected to a first mouth 401, being preferably proximal to an oil mouth 2111, and a second mouth 402, being distal from the first mouth 401, positioned beyond the footprint of the heat exchanger group 2.
  • said control duct 400 extends between a first mouth 401 proximal to an oil mouth 2111 and a second mouth 402, distal from the first mouth 401.
  • Said second mouth 402 is positioned beyond the footprint of the heat exchanger group 2.
  • the second mouth 402 is positioned so as to be beyond the space occupied by the heat exchanger group 2.
  • the second mouth 402 is externally positioned to the overall dimensions of the heat exchanger group 2. That is, the second mouth 402 is in a position spaced apart from the heat exchanger group 2.
  • the first mouth 401 is positioned facing the heat exchanger group 2, preferably faced and/or aligned to the relative oil mouth 2111.
  • said first mouth 401 is faced and/or is aligned to the relative oil mouth 2111 and to the vertical oil duct 211.
  • the first mouth 401 is fluidically connected to the outlet vertical oil duct 211, that is, to the vertical oil duct 211 from which the oil which has passed through the heat exchanger group 2 flows.
  • the support base 4 comprises a plurality of holes for fixing the oil temperature regulation assemb1y 1.
  • the support base 4 comprises a plurality of holes for fixing the oil temperature regulation assembly 1 to the operating assembly of the vehicle.
  • the fluidic connection and support group 3 further comprises a housing group 5 engaged with the support base 4, fluidically connected, preferably positioned proximal, to the second mouth 402.
  • Said housing group 5 is suitable for housing the detection sensor 999.
  • the housing group 5 comprises a housing body 50 which extends vertically comprising a sensor seat 500 and a safety member 51 housed in said sensor seat 500.
  • the detection sensor 999 is removably engageable to the housing body 50.
  • the safety member 51 is positionable in an open position, with the detection sensor 999 engaged with the housing body 50, in which the sensor seat 500 is placed in fluidic communication with the first mouth 401, and in a closed position, with the detection sensor 999 disengaged from the housing body 50, in which the safety member 51 interrupts the fluidic communication between the sensor seat 500 and the first mouth 410.
  • the sensor seat 500 is placed in fluidic communication with the first mouth 401 through the control duct 400.
  • the housing body 50 comprises a mounting opening 599 facing the sensor seat 500 for coupling the detection sensor 999 to the housing body 50.
  • said mounting opening 599 is provided on the opposite side with respect to which the housing unit 5, in particular the housing body 50, engages the support base 4.
  • the presence of the detection sensor 999 therefore, forces the positioning of the safety member 51 in an open position: in this way, the detection sensor 999, in particular the sensor seat 500, and the control duct 400 are fluidically connected and the detection sensor 999 performs the detection operations thereof.
  • the lack of the detection sensor 999 ensures that the safety member 51 is configured in the closed position, interrupting the fluid connection between the sensor seat 500 and the control duct 400, allowing the rapid release of the detection sensor, thus avoiding unwanted leaks of oil.
  • the housing group 5 extends in a vertical direction alongside by the heat exchanger group 2.
  • the operator who has free access to the heat exchanger group 2 also has free access to the housing group 5.
  • the safety member 51 comprises a safety shutter element 510, which movable vertically, and an elastic safety element 515, preferably a helical spring.
  • the elastic safety element 515 is suitable for performing an action in the closing direction on the safety shutter element 510, which positions it in the closing position with the detection sensor 999 disengaged from the sensor body 50.
  • the insertion of the detection sensor 999 overcomes the action of the elastic safety element 515, thus moving the safety shutter element 510.
  • the support base 4 comprises a first plate-like element 40.
  • said first plate-like element 40 is suitable for directly engaging the heat exchanger group 2.
  • the first mouth 401 and the second mouth 402 are obtained on said first plate-like element 40.
  • the first plate-like element 40 comprises the first mouth 401 and the second mouth 402 for the respective fluidic connection to the control duct 400.
  • the support base 4 comprises a second plate-like element 42 and at least one intermediate plate-like element 41 positioned between the first plate-like element 40 and the second plate-like element 42, in which the control duct 400 is defined by the vertical superimposition of said plate- like elements.
  • the support base 4 is a multi-plate component obtained by the vertical overlapping of the plate-like elements.
  • the first plate-like element 40, the intermediate plate-like element 41 and the second plate- like element 42 comprise respective mounting holes for fixing the oil temperature regulation assembly 1, for example by means of screw means.
  • the first plate-like element 40, the intermediate plate-like element 41 and the second plate- like element 42 comprise respective mounting holes for fixing the oil temperature regulation assembly 1 to an operating assembly, for example by means of screw means.
  • the at least one intermediate plate-like element 41 comprises an elongated opening 410 whose edges define the side walls of the control duct 400, in which the control duct 400 is closed at the top by the first plate-like element 40 and is closed at the bottom by the second plate-like element 42.
  • said elongated opening 410 extends in length so as to fluidically connect the first mouth 401 and the second mouth 402 obtained on the first plate-like element 40.
  • the second plate-like element 42 comprises a convex portion 420 vertically facing the second mouth 402.
  • the convex portion 420 is suitable for at least partially housing the safety member 51 in the open position.
  • the convex portion 420 is suitable for connecting the control duct 400 with the sensor seat 500 and for allowing the axial movement of the safety member 51 in the open position, such as with the detection sensor 999 installed.
  • the support base 4 comprises a base body 44, vertically engaged with the first plate-like element 40.
  • the support base 4 comprises a control duct 400.
  • Said control duct 400 is fluidically connected to a first mouth 401, being preferably proximal to an oil mouth 2111, and a second mouth 402, being distal from the first mouth 401, positioned beyond the footprint of the heat exchanger group 2.
  • said base body 44 comprises a concave region 440, in which the control duct 400 is defined in said concave region 440 by the coupling between the first plate-like element 40 and the base body 44.
  • the base body 44 is a structural component supporting the regulation assembly 1, for example obtained by means of molding and/or casting.
  • the walls and the bottom of the concave region 440 define the side walls and the bottom of the control duct 400, in which the control duct 400 is closed at the top by the first plate-like element 40.
  • said concave region 440 extends in length so as to fluidically connect the first mouth 401 and the second mouth 402 obtained on the first plate-like element 40.
  • the support base 4 comprises a gasket 45 which surrounds said concave region 440, and thus surrounds the first mouth 401 and the second mouth 402, to engage the first plate- like element 40 and the base body 44 in a sealing manner.
  • the coupling between the base body 44 and the support base 4, mutually engaged by the gasket 45 defines the control duct 400.
  • said support base 4 is engaged to the first plate-like element 40 that comprises a plurality, preferably two, distinct first element planar portions 40', 40".
  • said gasket 45 is positioned on the first plate-like element 40.
  • said gasket 45 is positioned on the first plate-like element 40 on the side opposite with respect to which the heat exchanger group 2 engages the fluidic connection and support group 3.
  • the oil temperature regulation assembly 1 further comprises a valve group 6 engaged with the fluidic connection and support group 3.
  • the oil temperature regulation assembly 1 further comprises a valve group 6 engaged with the support base 4.
  • valve group 6 is fluidly connected, preferably positioned proximally, to the first mouth 401.
  • valve group 6 engages the fluid connection and support group 3 on the side opposite with respect to which the heat exchanger group 2 engages the fluidic connection and support group 3.
  • valve group 6 engages the fluidic connection and support group 3 on the side opposite with respect to which the housing group 5, in particular the housing body 50, engages the fluidic connection and support group 3.
  • valve group 6 engages the fluidic connection and support group 3 on the side opposite with respect to which the heat exchanger group 2 and the housing group 5, in particular the housing body 50, engage the fluidic connection and support group 3.
  • valve group 6 extends vertically aligned to a vertical oil duct 211.
  • valve group 6 is aligned to the vertical oil duct 211, and to the respective oil mouth 2111, to the first mouth 401.
  • the valve group 6 comprises a valve body 60 which extends vertically comprising a valve chamber 600 and a valve member 61 housed in the valve chamber 600.
  • the valve chamber 600 is open at a first end, for example at the top, and is open at a second end, for example at the bottom: at the first end, the valve chamber 600 is fluidically connected to the heat exchanger group 2; at the second end, the valve chamber 600 is fluidically connected to the operating assembly and/or the base body 44.
  • the valve member 61 sealingly engages the valve chamber 600 near or at said second end.
  • valve member 61 is positionable in an open valve position in which the flow of oil through the valve chamber 600 is allowed, and in a closed valve position, in which the flow of oil is interrupted or prevented, in which the valve member 61 blocks the flow of oil through the valve chamber 600.
  • the heat exchanger group 2 is fluidically connected to an operating assembly.
  • valve group 6 is suitable for allowing or inhibiting the flow of oil to or from the heat exchanger group 2.
  • the valve group 6 is positioned at the outlet of the heat exchanger group 2.
  • the valve group 6, therefore, connects the vertical outlet duct 211 with the operating assembly.
  • the valve group 6 with the valve member 61 in the opening position allows the outflow of oil from the heat exchanger group 2 towards the operating assembly.
  • the valve group 6 with the valve member 61 in the closing position instead inhibits the outflow of oil from the operating assembly.
  • the valve group 6 with the valve member 61 in the closing position inhibits the emptying of the oil circuit portion placed fluidically downstream of the oil temperature regulation assembly 1.
  • the valve member 61 comprises a valve shutter element 610 and an elastic valve element 615, preferably a helical spring.
  • the elastic valve element 615 is suitable for performing an action on the valve shutter element 610 which positions it in the closing position at the occurrence of an oil flow pressure below a threshold value.
  • the valve body 60 comprises a radial gasket provided on the outer surface of the valve body 60.
  • said radial gasket allows the hermetic connection of the valve chamber 600 to the oil circulation duct comprised in the operating assembly.
  • valve body 60 comprises a control opening 64 suitable for fluidically connecting the valve chamber 600 with the control duct 400.
  • control duct 400 is in fluid communication with the valve chamber 600.
  • control opening 64 is fluidically positioned downstream of the sealing seat enclosed in the valve chamber 600 being engageable by the valve member 61 with respect to the oil circulation direction.
  • control duct 400 operatively connects the housing group 5, in particular the sensor seat 500 comprised in the housing body 50, with the side placed fluidically downstream of the sealing seat comprised in the valve chamber 600 of the valve group 6 with respect to the oil circulation direction.
  • the control opening 64 connects the control duct 400 with the outlet mouth of the oil temperature assembly, in a circuit position fluidically placed downstream of the sealing seat comprised in the valve chamber 600.
  • the detection sensor 999 detects and measures a physical characteristic of the oil circulating in the operating assembly even if it is installed in a remote location therefrom and by means of the control duct 400 integrated in the oil temperature regulation assembly 1.
  • valve body 60 is housed in the first mouth 401.
  • the support base 4 comprises a housing seat 401' at the first mouth 401, and the valve body 60 comprises a radial collar 60' specially shaped to be housed into the housing seat 401' so that the valve body 60 is integrated in the support base 4.
  • valve group 6 extends on the opposite side with respect to the heat exchanger group 2.
  • valve group 6 is housed in the base body 44.
  • the heat exchanger group 2 and the fluidic connection and support group 3 are mutually integrally joinable by means of a brazing operation, preferably in a vacuum furnace.
  • the support base 4 is solidly joinable by means of a brazing operation, preferably in a vacuum furnace, with the heat exchanger group 2 and with the housing body 50 and/or with valve body 60, if present.
  • said control duct 400 corresponds to the oil duct through which the oil flows from, or towards, an operating assembly, such as an engine assembly and/or a transmission assembly.
  • the housing group 5 is vertically aligned to the oil mouth through which oil flows from, or towards, an operating assembly.
  • said control duct 400 corresponds to the exit oil duct through which the oil flows towards an operating assembly, such as an engine assembly and/or a transmission assembly.
  • the housing group 5 is vertically aligned to the exit oil mouth through which oil flows towards an operating assembly.
  • the oil temperature regulation assembly amply fulfills the object of the present invention by overcoming the typical issues of the prior art.
  • the oil regulation and control system amply fulfills the object of the present invention by overcoming the typical issues of the prior art.
  • the oil temperature regulation assembly has a particularly simple layout, allowing simple and practical detection operations of the physical characteristics of the oil.
  • the temperature of the oil, preferably at the outlet of the heat exchanger group is easily detectable.
  • the pressure of the oil preferably at the outlet of the heat exchanger unit, is easily detectable.
  • the oil temperature regulation assembly integrates the control duct in the fluid connection and support group.
  • control duct into the fluidic connection and support group allows the section of the duct itself to be easily sized by controlling the pressure drops introduced into the oil circuit.
  • control duct into a support base, consisting of mutually coupled plate-like elements, allows for reducing the passage section of the control duct, reducing the stresses at the interface between the regulation assembly and the operating assembly and making the coupling between said components simpler, safer and more reliable.
  • control duct into a support base consisting of mutually coupled plate-like elements allows for reducing the passage section of the control duct and eliminating any gaskets necessary to seal said duct in the fluidic connection and support group.
  • control duct into a support base consisting of mutually coupled plate-like elements allows for reducing the height envelope of the fluidic connection and support group, allowing for maximizing the exploitation of the spaces available on the vehicle.
  • control duct into the fluidic connection and support group allows for an easy positioning of the housing group.
  • control duct into the circulation oil duct provided in the support and fluidic connection group improves the exploitation of the spaces available for the positioning of the housing group and the fluidic coupling of the temperature regulation assembly with the operating assembly.
  • control duct into the circulation oil duct provided in the support and fluidic connection group facilitates the positioning of the housing group and allows the same oil circulation duct to be used for measuring the characteristics of the flowing oil.
  • the operations for using, replacing and maintaining the detection sensor are extremely simplified by virtue of the presence of the safety member, whose position is directly a function of the sensor itself.
  • the safety member comprised in the housing group allows for easily and quickly carrying out the operations for coupling and removing the detection sensor from the regulation assembly, avoiding unwanted oil leaks during the vehicle installation and maintenance operations.
  • the fluidic connection and support group has a simplified geometry and requires a minimum number of sealing systems (such as, the gasket means).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention is an oil temperature regulation assembly (1) couplable to a detection sensor (999), of pressure and/ or temperature, and engageable with an operating assembly of a vehicle, i. e., an engine assembly or a transmission assembly. The oil temperature regulation assembly (1) comprises: a) a heat exchanger group (2) comprising a plurality of plate-like exchanger elements (20) defining an oil region (21) comprising at least two vertical oil ducts (211) and longitudinal oil ducts (212), and a water region (22) comprising at least two vertical water ducts (221) and longitudinal water ducts (222), positioned alternately with the longitudinal oil ducts (212); furthermore, the heat exchanger group (2) comprises oil mouths (2111) in fluid communication with the vertical oil ducts (211); b) a fluidic connection and support group (3) engaged with the heat exchanger group (2) comprising: 1) a support base (4) comprising a control duct (400) fluidically connected to a first mouth (401) and a second mouth (402), positioned beyond the footprint of the heat exchanger group (2); ID a housing group (5) engaged with the support base (4), fluidically connected, comprising a housing body (51) which extends vertically comprising a sensor seat (500), a safety member (51) housed in the sensor seat (500); According to the invention, a detection sensor (999) is removably couplable to the housing body (50) so that the safety member (51) is positioned in an open position, with the detection sensor (999) engaged with the sensor body (50), and in a closed position, with the detection sensor (999) disengaged from the sensor body (50).

Description

"OIL TEMPERATURE REGULATION ASSEMBLY"
DESCRIPTION
Field of application
[0001]The present invention relates to an oil temperature regulation assembly. Furthermore, the present invention relates to an oil regulation and control system comprising said oil temperature regulation assembly and a detection sensor for detecting the characteristics of the oil.
[0002]In particular, the present invention relates to the automotive field.
[0003]The oil temperature regulation assembly object of the present invention finds, in fact, specific application in a vehicle, for example for the purpose of regulating the temperature of the oil circulating in an oil circulation system.
[0004]Further in detail, the oil temperature regulation assembly is mountable to an operating assembly of a vehicle to be fluidically connected with the oil circulation system of said operating assembly. In addition, the oil temperature regulation assembly is coupable to a sensor for detecting the characteristics of the oil, for example the pressure and/or temperature thereof.
[0005]In particular, operating assembly refers to a component or group of components in which there is an oil circulation system, such as an engine assembly and/or a transmission assembly. Furthermore, the oil temperature regulation assembly object of the present invention is also fluidically connectable to a water system of the vehicle, or in general, to a cooling system. In particular, it conventionally refers to "water" when we mean a water-based coolant. Prior art
[0006]In the prior art, oil temperature regulation assembly solutions are known, which are connectable to an oil circulation system, comprising a plate heat exchanger group suitable for performing oil temperature regulation operations.
[0007]It is also known that in the vehicle, and in particular in the respective circulation systems, there are detection sensors suitable for detecting physical characteristics, for example the pressure and/or temperature, of the oil in circulation.
[0008]In the solutions in which the detection sensors are positioned proximal to the heat exchanger groups, the oil temperature regulation assemblies have particularly complex geometries and layouts, in particular with reference to the interfaces provided for mounting the detection sensors and for the operational connection thereof to the oil circuit.
[0009]In other words, the positioning of said detection sensors complicates the layout of the oil temperature regulation assembly and makes the use of said detection sensors, as well as the possible replacement and/or maintenance thereof, particularly complex. Solution of the invention
[0010]Therefore, it turn out that there is a strong need to provide an oil temperature regulation assembly which solves the aforementioned issue.
[0011]The object of the present invention to provide an oil temperature regulation assembly which has a simplified layout of the ducts, allowing an easy use of a detection sensor.
[0012]Such an object is achieved by means of the oil temperature regulation assembly claimed in claim 1. Such an object is also achieved by means of an oil regulation and control system claimed in claim 18. The claims dependent thereon show preferred embodiments implying further advantageous aspects.
Description of the drawings
[0013]Further features and advantages of the invention will become apparent from the description provided below of preferred exemplary embodiments thereof, given by way of non-limiting, indicative, example, with reference to the accompanying drawings, in which:
[0014]- Figure 1 shows a perspective view in separate parts of an oil regulation and control system which comprises an oil temperature regulation assembly according to the present invention, according to a first embodiment;
[0015]- Figure 2 shows a side view in separate parts, in section, of the oil regulation and control system of Figure 1;
[0016]- Figure 3 shows a sectional view of the oil regulation and control system of Figure 1;
[0017]- Figure 4 shows a perspective view in separate parts of an oil regulation and control system which comprises an oil temperature regulation assembly according to the present invention, according to a second embodiment;
[0018]- Figure 5 shows a side view in separate parts, in section, of the oil regulation and control system of Figure 4;
[0019]- Figure 6 shows a sectional view of the oil regulation and control system of Figure 4;
[0020]- Figure 7 shows a perspective view in separate parts of an oil regulation and control system which comprises an oil temperature regulation assembly according to the present invention, according to a third embodiment;
[0021]- Figure 8 shows a side view in separate parts, in section, of the oil regulation and control system of Figure 7;
[0022]- Figure 9 shows a sectional view of the oil regulation and control system of Figure 7;
[0023]- Figure 10 shows a bottom view of a first plate- like element comprised in a support base comprised in the oil temperature regulation assembly of Figure 7;
[0024]- Figure 11 shows a perspective view in separate parts of an oil regulation and control system which comprises an oil temperature regulation assembly according to the present invention, according to a forth embodiment;
[0025]- Figure 12 shows a side view in separate parts, in section, of the oil regulation and control system of Figure 11;
[0026]- Figure 13 shows a sectional view of the oil regulation and control system of Figure 11;
[0027]- Figure 14 shows a bottom view of a first plate- like element comprised in a support base comprised in the oil temperature regulation assembly of Figure 11.
Detailed description
[0028]With reference to the accompanying Figures, reference number 1 indicates an oil temperature regulation assembly according to the present invention.
[0029]In particular, the oil temperature regulation assembly 1 object of the present invention, as widely described below, is mountable to an operating assembly of a vehicle. Preferably, said operating assembly is an engine assembly, for example an internal combustion engine, or a transmission assembly.
[0030]According to the present invention, in fact, the oil temperature regulation assembly 1 object of the present invention is fluidically connectable to an oil circulation system of said operating assembly and to a cooling system of said operating assembly or of said vehicle.
[0031]According to the present invention, the oil temperature regulation assembly is coupable with a detection sensor 999.
[0032]Preferably, the detection sensor 999 is suitable for detecting the oil temperature.
[0033]Preferably, the detection sensor 999 is suitable for detecting the oil pressure.
[0034]According to a preferred embodiment, the detection sensor 999 comprises an electrical connector (not shown) suitable for connecting the detection sensor 999 to a control unit of the vehicle (also known as ECU) on which the oil temperature regulation assembly 1 is installed, and to transmit the measurement data detected by the detection sensor 999 to said control unit.
[0035]With reference to the accompanying Figures, reference number 900 indicates an oil regulation and control system according to the present invention.
[0036]In particular, the oil regulation and control system 900 comprises the oil temperature regulation assembly 1 and the detection sensor 999.
[0037]Furthermore, as shown in a non-limiting manner in the accompanying Figures, the oil temperature regulation assembly 1 identifies a vertical axis V-V and two longitudinal axes X-X, Y-Y. In particular, the two longitudinal axes X-X, Y-Y lie on the same imaginary plane which is orthogonal to the vertical axis V-V.
[0038]Preferably, in the description given below, when reference is made to planar position or elements it means with respect to said imaginary plane, and therefore it means components having extensions substantially parallel to the plane in which the longitudinal axes X-X, Y-Y lie. Similarly, in the description below, when reference is made to overlaps, heights and vertical extensions, reference is made to the direction parallel or coincident to the vertical axis V-V, therefore orthogonal to the longitudinal axes X-X, Y-Y.
[0039]The aforementioned convention is not to be intended as a limitation of the use of the oil temperature regulation assembly inside the vehicle.
[0040]According to the present invention, the oil temperature regulation assembly 1 comprises a heat exchanger group 2. Preferably, the heat exchanger group 2 is suitable for allowing, depending on the needs, a regulation of the temperature of the oil.
[0041]Furthermore, according to the present invention, the oil temperature regulation assembly 1 comprises a fluidic connection and support group 3 engaged with the heat exchanger group 2 to support it and fluidically connect it to an operating assembly.
[0042]The heat exchanger group 2 comprises a plurality of plate-like exchanger elements 20 superimposed vertically, defining ducts through which oil and water respectively flow.
[0043]Specifically, in fact, such plate-like exchanger elements 20 are specially shaped presenting appropriate passage openings, side edges and walls which extend vertically, orthogonally to the preferential planar extension.
[0044]The heat exchanger group 2 comprises, defined by the overlap of the plate-like exchanger elements 20, an oil region 21 in which oil flows and a water region 22 in which cooling liquid flows. [0045]Said oil region 21, in which oil flows, comprises at least two vertical oil ducts 211, respectively inlet and outlet ducts, and longitudinal oil ducts 212.
[0046]Said water region 22, in which cooling liquid flows, comprises at least two vertical water ducts 221, respectively inlet and outlet ducts, and longitudinal water ducts 222, positioned alternated with the longitudinal oil ducts 212.
[0047]The heat exchanger group 2 comprises oil mouths 2111, in which each oil mouth 2111 is in fluid communication with the respective vertical oil duct 211.
[0048]The heat exchanger group 2 comprises oil mouths 2111, in which each oil mouth 2111 is preferably positioned at the vertical oil ducts 211.
[0049]Preferably, the heat exchanger group 2 comprises water mouths 2211 at the vertical water ducts 221.
[0050]According to a preferred embodiment, at least one oil mouth 2111 is, or both oil mouths 2111 are, fluidically connected to the fluidic connection and support group 3. Preferably, said at least one oil mouth 2111 is configured as an outlet oil mouth 2111 and is fluidically connected to the fluidic connection and support group 3 so that the oil which has been subject to the temperature regulation operations flows to the operating assembly of the vehicle. [0051]According to a preferred embodiment, at least one oil mouth 2111, preferably both oil mouths 2111, are facing respective fluidic mouths and/or passages of the fluidic connection and support group 3.
[0052]Preferably, the water mouths 2211 are positioned distal from the fluidic connection and support group 3, for example on the face thereof which is opposite with respect to the one in which said fluidic connection and support group 3 engages the heat exchanger group 2 or on the closing plate of the heat exchanger group 2.
[0053]Preferably, said plate-like exchanger elements 200 are made of metal. Preferably said plate-like exchanger elements 200 are made of aluminum alloy or steel. Preferably, said plate-like exchanger elements 200 are solidly joined together by means of a brazing operation.
[0054]As already mentioned, the oil temperature regulation assembly 1 object of the present invention further comprises a fluidic connection and support group 3 engageable with the operating assembly of the vehicle. That is, the fluidic connection and support group 3 is directly fixable to the operating assembly.
[0055]Said fluidic connection and support group 3 is suitable for supporting the heat exchanger group 2.
[0056]Said fluidic connection and support group 3 is suitable for placing the operating assembly in fluidic connection with the heat exchanger group 2. That is, by means of the fluidic connection and support group 3, the heat exchanger group 2 is directly connectable to the circuits present in the operating assembly.
[0057]According to the present invention, the fluid connection and support group 3 comprises a support base 4 fluidically connected to the at least one oil mouth 2111. [0058]According to this embodiment, the fluidic connection and support group 3 comprises a support base 4 with at least one opening fluidically connected to the at least one oil mouth 2111.
[0059]Preferably, the fluidic connection and support group
3 comprises a support base 4 fluidically connected to the oil mouths 2111.
[0060]According to this embodiment, the fluidic connection and support group 3 comprises a support base 4 with two openings, each fluidically connected to the respective oil mouth 2111.
[0061]According to the present invention, the support base
4 comprises a control duct 400.
[0062]Preferably, said control duct 400 extends inside the support base 4, substantially longitudinally.
[0063]Said control duct 400 is fluidically connected to a first mouth 401, being preferably proximal to an oil mouth 2111, and a second mouth 402, being distal from the first mouth 401, positioned beyond the footprint of the heat exchanger group 2.
[0064]Preferably, said control duct 400 extends between a first mouth 401 proximal to an oil mouth 2111 and a second mouth 402, distal from the first mouth 401.
[0065]Said second mouth 402 is positioned beyond the footprint of the heat exchanger group 2. Preferably, therefore, the second mouth 402 is positioned so as to be beyond the space occupied by the heat exchanger group 2. In further other words, the second mouth 402 is externally positioned to the overall dimensions of the heat exchanger group 2. That is, the second mouth 402 is in a position spaced apart from the heat exchanger group 2.
[0066]Preferably, the first mouth 401 is positioned facing the heat exchanger group 2, preferably faced and/or aligned to the relative oil mouth 2111. Preferably said first mouth 401 is faced and/or is aligned to the relative oil mouth 2111 and to the vertical oil duct 211. [0067]According to a preferred embodiment, the first mouth 401 is fluidically connected to the outlet vertical oil duct 211, that is, to the vertical oil duct 211 from which the oil which has passed through the heat exchanger group 2 flows.
[0068]Preferably, the support base 4 comprises a plurality of holes for fixing the oil temperature regulation assemb1y 1.
[0069]Preferably, the support base 4 comprises a plurality of holes for fixing the oil temperature regulation assembly 1 to the operating assembly of the vehicle.
[0070]According to the present invention, the fluidic connection and support group 3 further comprises a housing group 5 engaged with the support base 4, fluidically connected, preferably positioned proximal, to the second mouth 402.
[0071]Said housing group 5 is suitable for housing the detection sensor 999.
[0072]The housing group 5 comprises a housing body 50 which extends vertically comprising a sensor seat 500 and a safety member 51 housed in said sensor seat 500.
[0073]According to the present invention, the detection sensor 999 is removably engageable to the housing body 50.
[0074]According to the present invention, the safety member 51 is positionable in an open position, with the detection sensor 999 engaged with the housing body 50, in which the sensor seat 500 is placed in fluidic communication with the first mouth 401, and in a closed position, with the detection sensor 999 disengaged from the housing body 50, in which the safety member 51 interrupts the fluidic communication between the sensor seat 500 and the first mouth 410.
[0075]Preferably, with the detection sensor 999 engaged with the housing body 50, the sensor seat 500 is placed in fluidic communication with the first mouth 401 through the control duct 400.
[0076]According to a preferred embodiment, the housing body 50 comprises a mounting opening 599 facing the sensor seat 500 for coupling the detection sensor 999 to the housing body 50.
[0077]Preferably, said mounting opening 599 is provided on the opposite side with respect to which the housing unit 5, in particular the housing body 50, engages the support base 4.
[0078]The presence of the detection sensor 999, therefore, forces the positioning of the safety member 51 in an open position: in this way, the detection sensor 999, in particular the sensor seat 500, and the control duct 400 are fluidically connected and the detection sensor 999 performs the detection operations thereof.
[0079]The lack of the detection sensor 999 ensures that the safety member 51 is configured in the closed position, interrupting the fluid connection between the sensor seat 500 and the control duct 400, allowing the rapid release of the detection sensor, thus avoiding unwanted leaks of oil.
[0080]According to a preferred embodiment, the housing group 5 extends in a vertical direction alongside by the heat exchanger group 2.
[0081]Preferably, the operator who has free access to the heat exchanger group 2 also has free access to the housing group 5.
[0082]Said fluidic connection and support unit 3, therefore, is suitable for operatively coupling the operative assembly both with the heat exchanger group 2 and with the detection sensor 999. That is, by means of the fluidic connection and support group 3, the heat exchanger group 2 is directly connectable to the circuits present in the operating assembly and the detection sensor 999 performs the detection operations thereof.
[0083]According to a preferred embodiment, the safety member 51 comprises a safety shutter element 510, which movable vertically, and an elastic safety element 515, preferably a helical spring.
[0084]Preferably, the elastic safety element 515 is suitable for performing an action in the closing direction on the safety shutter element 510, which positions it in the closing position with the detection sensor 999 disengaged from the sensor body 50. The insertion of the detection sensor 999 overcomes the action of the elastic safety element 515, thus moving the safety shutter element 510.
[0085]According to a preferred embodiment, the support base 4 comprises a first plate-like element 40.
[0086]Preferably, said first plate-like element 40 is suitable for directly engaging the heat exchanger group 2.
[0087]According to a preferred embodiment, the first mouth 401 and the second mouth 402 are obtained on said first plate-like element 40.
[0088]In other words, the first plate-like element 40 comprises the first mouth 401 and the second mouth 402 for the respective fluidic connection to the control duct 400.
[0089]According to a preferred embodiment, the support base 4 comprises a second plate-like element 42 and at least one intermediate plate-like element 41 positioned between the first plate-like element 40 and the second plate-like element 42, in which the control duct 400 is defined by the vertical superimposition of said plate- like elements.
[0090]In other words, the support base 4 is a multi-plate component obtained by the vertical overlapping of the plate-like elements.
[0091]Preferably, the first plate-like element 40, the intermediate plate-like element 41 and the second plate- like element 42 comprise respective mounting holes for fixing the oil temperature regulation assembly 1, for example by means of screw means.
[0092]Preferably, the first plate-like element 40, the intermediate plate-like element 41 and the second plate- like element 42 comprise respective mounting holes for fixing the oil temperature regulation assembly 1 to an operating assembly, for example by means of screw means. [0093]According to a preferred embodiment, the at least one intermediate plate-like element 41 comprises an elongated opening 410 whose edges define the side walls of the control duct 400, in which the control duct 400 is closed at the top by the first plate-like element 40 and is closed at the bottom by the second plate-like element 42.
[0094]Preferably, said elongated opening 410 extends in length so as to fluidically connect the first mouth 401 and the second mouth 402 obtained on the first plate-like element 40.
[0095]According to a preferred embodiment, the second plate-like element 42 comprises a convex portion 420 vertically facing the second mouth 402. Preferably, the convex portion 420 is suitable for at least partially housing the safety member 51 in the open position. Preferably, the convex portion 420 is suitable for connecting the control duct 400 with the sensor seat 500 and for allowing the axial movement of the safety member 51 in the open position, such as with the detection sensor 999 installed.
[0096]According to an embodiment variant, the support base 4 comprises a base body 44, vertically engaged with the first plate-like element 40.
[0097]Also according to this embodiment variant, the support base 4 comprises a control duct 400.
[0098]Said control duct 400 is fluidically connected to a first mouth 401, being preferably proximal to an oil mouth 2111, and a second mouth 402, being distal from the first mouth 401, positioned beyond the footprint of the heat exchanger group 2.
[0099]Preferably, said base body 44 comprises a concave region 440, in which the control duct 400 is defined in said concave region 440 by the coupling between the first plate-like element 40 and the base body 44.
[00100] According to a preferred embodiment, the base body 44 is a structural component supporting the regulation assembly 1, for example obtained by means of molding and/or casting.
[00101] According to a preferred embodiment, the walls and the bottom of the concave region 440 define the side walls and the bottom of the control duct 400, in which the control duct 400 is closed at the top by the first plate-like element 40.
[00102] Preferably, said concave region 440 extends in length so as to fluidically connect the first mouth 401 and the second mouth 402 obtained on the first plate-like element 40.
[00103] According to a preferred embodiment, the support base 4 comprises a gasket 45 which surrounds said concave region 440, and thus surrounds the first mouth 401 and the second mouth 402, to engage the first plate- like element 40 and the base body 44 in a sealing manner. [00104] In other words, in said embodiment, the coupling between the base body 44 and the support base 4, mutually engaged by the gasket 45, defines the control duct 400.
[00105] According to a preferred embodiment, said support base 4 is engaged to the first plate-like element 40 that comprises a plurality, preferably two, distinct first element planar portions 40', 40".
[00106] Preferably, said gasket 45 is positioned on the first plate-like element 40. Preferably, said gasket 45 is positioned on the first plate-like element 40 on the side opposite with respect to which the heat exchanger group 2 engages the fluidic connection and support group 3.
[00107] According to a preferred embodiment, the oil temperature regulation assembly 1 further comprises a valve group 6 engaged with the fluidic connection and support group 3.
[00108] According to a preferred embodiment, the oil temperature regulation assembly 1 further comprises a valve group 6 engaged with the support base 4.
[00109] Preferably, the valve group 6 is fluidly connected, preferably positioned proximally, to the first mouth 401.
[00110] According to a preferred embodiment, the valve group 6 engages the fluid connection and support group 3 on the side opposite with respect to which the heat exchanger group 2 engages the fluidic connection and support group 3.
[00111] According to a preferred embodiment, the valve group 6 engages the fluidic connection and support group 3 on the side opposite with respect to which the housing group 5, in particular the housing body 50, engages the fluidic connection and support group 3.
[00112] According to a preferred embodiment, the valve group 6 engages the fluidic connection and support group 3 on the side opposite with respect to which the heat exchanger group 2 and the housing group 5, in particular the housing body 50, engage the fluidic connection and support group 3.
[00113] According to a preferred embodiment, the valve group 6 extends vertically aligned to a vertical oil duct 211.
[00114] According to a preferred embodiment, the valve group 6 is aligned to the vertical oil duct 211, and to the respective oil mouth 2111, to the first mouth 401.
[00115] According to a preferred embodiment, the valve group 6 comprises a valve body 60 which extends vertically comprising a valve chamber 600 and a valve member 61 housed in the valve chamber 600.
[00116] Preferably, the valve chamber 600 is open at a first end, for example at the top, and is open at a second end, for example at the bottom: at the first end, the valve chamber 600 is fluidically connected to the heat exchanger group 2; at the second end, the valve chamber 600 is fluidically connected to the operating assembly and/or the base body 44. Preferably, the valve member 61 sealingly engages the valve chamber 600 near or at said second end.
[00117] Preferably, the valve member 61 is positionable in an open valve position in which the flow of oil through the valve chamber 600 is allowed, and in a closed valve position, in which the flow of oil is interrupted or prevented, in which the valve member 61 blocks the flow of oil through the valve chamber 600.
[00118] In other words, according to the present invention, depending on the position of the valve member 61, the oil passes through the valve body 60.
[00119] According to a preferred embodiment, by means of the valve group 6, the heat exchanger group 2 is fluidically connected to an operating assembly.
[00120] That is, the valve group 6 is suitable for allowing or inhibiting the flow of oil to or from the heat exchanger group 2.
[00121] Preferably, the valve group 6 is positioned at the outlet of the heat exchanger group 2. The valve group 6, therefore, connects the vertical outlet duct 211 with the operating assembly. In this embodiment, the valve group 6 with the valve member 61 in the opening position allows the outflow of oil from the heat exchanger group 2 towards the operating assembly. The valve group 6 with the valve member 61 in the closing position instead inhibits the outflow of oil from the operating assembly. In other words, the valve group 6 with the valve member 61 in the closing position inhibits the emptying of the oil circuit portion placed fluidically downstream of the oil temperature regulation assembly 1.
[00122] According to a preferred embodiment, the valve member 61 comprises a valve shutter element 610 and an elastic valve element 615, preferably a helical spring.
[00123] Preferably, the elastic valve element 615 is suitable for performing an action on the valve shutter element 610 which positions it in the closing position at the occurrence of an oil flow pressure below a threshold value.
[00124] In other words, under normal vehicle operating conditions, in which the oil is in circulation, the action of the oil flow keeps the valve shutter element 610 in the opening position, overcoming the action of the elastic valve element 615.
[00125] Conversely, in different situations, such as, for example, in vehicle stopping conditions, in which less oil is required, the action of the elastic valve element 615 is greater with respect to the action of the oil in circulation, the elastic valve element 615 thus bringing the valve shutter element 610 into the closing position.
[00126] According to a preferred embodiment, the valve body 60 comprises a radial gasket provided on the outer surface of the valve body 60. Preferably, in the embodiment with the support base 4 comprising the first plate-like element 40, the second plate-like element 42 and the intermediate plate-like element 41, said radial gasket allows the hermetic connection of the valve chamber 600 to the oil circulation duct comprised in the operating assembly.
[00127] According to a preferred embodiment, the valve body 60 comprises a control opening 64 suitable for fluidically connecting the valve chamber 600 with the control duct 400.
[00128] According to a preferred embodiment, through the control opening 64, the control duct 400 is in fluid communication with the valve chamber 600.
[00129] According to a further preferred embodiment, the control opening 64 is fluidically positioned downstream of the sealing seat enclosed in the valve chamber 600 being engageable by the valve member 61 with respect to the oil circulation direction. Preferably, in this embodiment, the control duct 400 operatively connects the housing group 5, in particular the sensor seat 500 comprised in the housing body 50, with the side placed fluidically downstream of the sealing seat comprised in the valve chamber 600 of the valve group 6 with respect to the oil circulation direction.
[00130] Preferably, with the first mouth 401 fluidically connected to the outlet vertical oil duct 211 and the valve group 6 fluidically connected to said first mouth 401, the control opening 64 connects the control duct 400 with the outlet mouth of the oil temperature assembly, in a circuit position fluidically placed downstream of the sealing seat comprised in the valve chamber 600. In other words, in this embodiment, the detection sensor 999 detects and measures a physical characteristic of the oil circulating in the operating assembly even if it is installed in a remote location therefrom and by means of the control duct 400 integrated in the oil temperature regulation assembly 1.
[00131] Preferably, the valve body 60 is housed in the first mouth 401.
[00132] According to a preferred embodiment, the support base 4 comprises a housing seat 401' at the first mouth 401, and the valve body 60 comprises a radial collar 60' specially shaped to be housed into the housing seat 401' so that the valve body 60 is integrated in the support base 4.
[00133] According to a preferred embodiment, the valve group 6 extends on the opposite side with respect to the heat exchanger group 2.
[00134] According to a preferred embodiment, the valve group 6 is housed in the base body 44.
[00135] According to a preferred embodiment, the heat exchanger group 2 and the fluidic connection and support group 3 are mutually integrally joinable by means of a brazing operation, preferably in a vacuum furnace.
[00136] According to a preferred embodiment, the support base 4 is solidly joinable by means of a brazing operation, preferably in a vacuum furnace, with the heat exchanger group 2 and with the housing body 50 and/or with valve body 60, if present.
[00137] According to a preferred embodiment, said control duct 400 corresponds to the oil duct through which the oil flows from, or towards, an operating assembly, such as an engine assembly and/or a transmission assembly.
[00138] Preferably, the housing group 5 is vertically aligned to the oil mouth through which oil flows from, or towards, an operating assembly.
[00139] According to a preferred embodiment, said control duct 400 corresponds to the exit oil duct through which the oil flows towards an operating assembly, such as an engine assembly and/or a transmission assembly.
[00140] Preferably, the housing group 5 is vertically aligned to the exit oil mouth through which oil flows towards an operating assembly.
[00141] Innovatively, the oil temperature regulation assembly amply fulfills the object of the present invention by overcoming the typical issues of the prior art. Innovatively, also the oil regulation and control system amply fulfills the object of the present invention by overcoming the typical issues of the prior art.
[00142] Advantageously, in fact, the oil temperature regulation assembly has a particularly simple layout, allowing simple and practical detection operations of the physical characteristics of the oil.
[00143] Advantageously, the temperature of the oil, preferably at the outlet of the heat exchanger group is easily detectable.
[00144] Advantageously, the pressure of the oil, preferably at the outlet of the heat exchanger unit, is easily detectable.
[00145] Advantageously, the oil temperature regulation assembly integrates the control duct in the fluid connection and support group.
[00146] Advantageously, the integration of the control duct into the fluidic connection and support group allows the section of the duct itself to be easily sized by controlling the pressure drops introduced into the oil circuit.
[00147] Advantageously, the integration of the control duct into a support base, consisting of mutually coupled plate-like elements, allows for reducing the passage section of the control duct, reducing the stresses at the interface between the regulation assembly and the operating assembly and making the coupling between said components simpler, safer and more reliable.
[00148] Advantageously, the integration of the control duct into a support base consisting of mutually coupled plate-like elements allows for reducing the passage section of the control duct and eliminating any gaskets necessary to seal said duct in the fluidic connection and support group.
[00149] Advantageously, the integration of the control duct into a support base consisting of mutually coupled plate-like elements allows for reducing the height envelope of the fluidic connection and support group, allowing for maximizing the exploitation of the spaces available on the vehicle.
[00150] Advantageously, the integration of the control duct into the fluidic connection and support group allows for an easy positioning of the housing group.
[00151] Advantageously, the integration of the control duct into the circulation oil duct provided in the support and fluidic connection group improves the exploitation of the spaces available for the positioning of the housing group and the fluidic coupling of the temperature regulation assembly with the operating assembly.
[00152] Advantageously, the integration of the control duct into the circulation oil duct provided in the support and fluidic connection group facilitates the positioning of the housing group and allows the same oil circulation duct to be used for measuring the characteristics of the flowing oil.
[00153] Advantageously, the operations of use, replacement and maintenance of the detection sensor are extremely simplified in light of the convenient position in which it is placed.
[00154] Advantageously, the operations for using, replacing and maintaining the detection sensor are extremely simplified by virtue of the presence of the safety member, whose position is directly a function of the sensor itself.
[00155] Advantageously, the safety member comprised in the housing group allows for easily and quickly carrying out the operations for coupling and removing the detection sensor from the regulation assembly, avoiding unwanted oil leaks during the vehicle installation and maintenance operations.
[00156] Advantageously, the fluidic connection and support group has a simplified geometry and requires a minimum number of sealing systems (such as, the gasket means).
[00157] It is apparent that, in order to meet contingent needs, a skilled in the art may make changes to the above-described oil temperature regulation assembly, all contained within the scope of protection as defined by the following claims.
List of reference signs:
[00158]
1 oil temperature regulation assembly
2 heat exchanger group
20 plate-like exchanger elements
21 oil region
211 vertical oil ducts
2111 oil mouths
212 longitudinal oil ducts
22 water region
221 vertical water ducts
222 longitudinal water ducts
2211 water mouths
3 fluidic connection and support group
4 support base
400 control duct
401 first mouth
401' housing collar
402 second mouth
40 first plate-like element41 intermediate plate-like element 40' 40" distinct first element planar portions
410 elongated opening
42 second plate-like element
420 convex portion
44 base body
440 concave region
45 gasket
5 housing group
50 housing body
500 sensor seat
51 safety member
510 safety shutter element
515 elastic safety element
599 mounting opening
6 valve group
60 valve body
60' radial collar
600 valve chamber
61 valve member
610 valve shutter element
615 elastic valve element
64 control opening
900 oil regulation and control system
999 detection sensor
X-X, Y-Y longitudinal axes V-V vertical axis

Claims

1. An oil temperature regulation assembly (1) being couplable to a detection sensor (999), for example for detecting pressure and/or temperature, and engageable with an operating assembly of a vehicle, for example an engine assembly or a transmission assembly, wherein said oil temperature regulation assembly (1) comprises: a) a heat exchanger unit (2) comprising a plurality of plate-like exchanger elements (20) vertically superimposed in such a way as to define an oil region (21), in which an oil flows, comprising at least two vertical oil ducts (211), inlet and outlet ducts, respectively, and longitudinal oil ducts (212), and a water region (22), in which a coolant flows, comprising at least two vertical water ducts (221), inlet and outlet ducts, respectively, and longitudinal water ducts (222), positioned alternately with the longitudinal oil ducts (212), wherein the heat exchanger group (2) comprises oil mouths (2111) in fluid communication with the vertical oil ducts (211); b) a support and fluidic connection group (3) engaged with the heat exchanger group (2) to support it and fluidically connect it to the operating assembly comprising : i) a support base (4) comprising a control duct (400) fluidically connected to a first mouth (401), being preferably proximal to an oil mouth (2111), and a second mouth (402), being distal from the first mouth (401), positioned beyond the footprint of the heat exchanger group (2); ii) a housing group (5) engaged with the support base (4) fluidically connected, preferably positioned to be proximal thereto, to the second mouth (402), wherein the housing group (5) comprises a housing body (50) which extends vertically comprising a sensor seat (500), a safety member (51) housed in the sensor seat (500); wherein the detection sensor (999) is removably couplable to the housing body (50) in such a way that the safety member (51) is positioned in an open position, with the detection sensor (999) engaged with the sensor body (50), in which the sensor seat (500) is placed in fluidic communication with the first mouth (401), and in a closed position, with the detection sensor (999) disengaged from the sensor body (50), in which the safety member (51) interrupts the fluidic communication between the sensor seat (500) and the first mouth (410).
2. Oil temperature regulation assembly (1) according to claim 1, wherein the housing group (5) extends in a vertical direction alongside the heat exchanger group
3. Oil temperature regulation assembly (1) according to any one of the preceding claims, wherein the safety member (51) comprises a safety shutter element (510), which is vertically movable, and an elastic safety element (515), preferably a helical spring, suitable for performing an action in the closing direction on the safety shutter element (510) which places it in the closed position with the detection sensor (999) disengaged from the housing body (50).
4. Oil temperature regulation assembly (1) according to any one of the preceding claims, wherein the support base (4) comprises a first plate-like element (40), wherein the first mouth (401) and the second mouth (402) are obtained on said first plate-like element (40).
5. Oil temperature regulation assembly (1) according to claim 4, wherein the support base (4) comprises a second plate-like element (42) and at least one intermediate plate-like element (41) positioned between the first plate-like element (40) and the second plate-like element (42), wherein the control duct (400) is defined by the vertical superimposition of said plate-like elements.
6. Oil temperature regulation assembly (1) according to claim 5, wherein the at least one intermediate plate-like element (41) comprises an elongated opening (410) whose edges define the side walls of the control duct (400), wherein the control duct (400) is closed at the top by the first plate-like element (40) and is closed at the bottom by the second plate-like element (42).
7. Oil temperature regulation assembly (1) according to claim 4, wherein the support base (4) comprises a base body (44) engaged with the first plate-like element (40), wherein the base body (44) comprises a concave region (440), wherein the control duct (400) is defined, in said concave region (440), by the coupling between the first plate-like element (40) and the base body (44).
8. Oil temperature regulation assembly (1) according to claim 7, wherein the walls and the bottom of the concave region (440) define the side walls and the bottom of the control duct (400), wherein the control duct (400) is closed at the top by the first plate-like element (40).
9. Oil temperature regulation assembly (1) according to claim 7 or claim 8, wherein the support base (4) comprises a gasket (45) which surrounds said concave region (440), and thus surrounds the first mouth (401) and the second mouth (402), to engage the first plate- like element (40) and the base body (44) in a sealing manner.
10. Oil temperature regulation assembly (1) according to any one of the preceding claims, wherein the support and fluidic connection group (3) further comprises a valve group (6), preferably engaged with the support base (4), fluidically connected, preferably positioned to be proximal, to the first mouth (401), wherein the valve group (6) comprises a valve body (60) which extends vertically comprising a valve chamber (600) and a valve member (61) housed in the valve chamber (600), wherein the valve member (61) is positionable in an open valve position in which the oil flow is allowed, and in a closed valve position in which the oil flow is interrupted or prevented.
11. Oil temperature regulation assembly (1) according to claim 10, wherein the support base (4) comprises a housing seat (401'), preferably at the first mouth (401), wherein the valve body (60) comprises a radial collar (60') conveniently shaped to be housed into the housing seat (401') in such a way that the valve body (60) is integrated in the support base (4).
12. Oil temperature regulation assembly (1) according to any one of claims 10 or 11, wherein the valve body (60) comprises a control opening (64) suitable for fluidically connecting the valve chamber (600) to the control duct (400).
13. Oil temperature regulation assembly (1) according to claim 12, wherein said control opening (64) is fluidically positioned downstream of the sealing seat enclosed in the valve chamber (600) being engageable by the valve member (61) with respect to the oil circulation direction.
14. Oil temperature regulation assembly (1) according to any one of claims 10 to 13, wherein the valve member (61) comprises a valve shutter element (610) and an elastic valve element (615), preferably a helical spring, suitable for performing an action on the valve shutter element (610) which places it in the closed position when an oil flow pressure below a threshold value occurs.
15. Oil temperature regulation assembly (1) according to any one of claims 10 to 14, wherein the valve group (6) extends vertically, aligned with a vertical oil duct (211).
16. Oil temperature regulation assembly (1) according to any one of the preceding claims, wherein the first mouth (401) is fluidically connected to the vertical oil outlet duct (211), and therefore to the vertical oil duct (211) from which the oil flows after passing through the heat exchanger group (2).
17. Oil temperature regulation assembly (1) according to claim 16, wherein the detection sensor (999) is suitable for detecting physical features, preferably the pressure, of the oil flowing towards the operating assembly, out of the heat exchanger group (2).
18. An oil regulation and control system (900) comprising an oil temperature regulation assembly (1) and a detection sensor (999), for example for detecting pressure and/or temperature, wherein the oil temperature regulation assembly (1) is according to any one of the preceding claims, being engageable with an operating assembly of a vehicle, for example an engine assembly or a transmission assembly, wherein the detection sensor (999) is removably couplable to the housing body (50) enclosed in the oil temperature regulation assembly (1).
PCT/IB2023/056458 2022-06-22 2023-06-22 Oil temperature regulation assembly WO2023248172A1 (en)

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IT102022000013207 2022-06-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117590883A (en) * 2024-01-16 2024-02-23 中北大学 Sensing measurement and control system for monitoring motor temperature

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013091108A1 (en) * 2011-12-22 2013-06-27 Dana Canada Corporation Heat exchanger with integrated thermal bypass valve
US20140116648A1 (en) * 2012-10-26 2014-05-01 Hyundai Motor Company Heat exchanger for vehicle
WO2019166933A1 (en) * 2018-02-28 2019-09-06 Ufi Filters S.P.A. Oil temperature control assembly

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013091108A1 (en) * 2011-12-22 2013-06-27 Dana Canada Corporation Heat exchanger with integrated thermal bypass valve
US20140116648A1 (en) * 2012-10-26 2014-05-01 Hyundai Motor Company Heat exchanger for vehicle
WO2019166933A1 (en) * 2018-02-28 2019-09-06 Ufi Filters S.P.A. Oil temperature control assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117590883A (en) * 2024-01-16 2024-02-23 中北大学 Sensing measurement and control system for monitoring motor temperature
CN117590883B (en) * 2024-01-16 2024-03-29 中北大学 Sensing measurement and control system for monitoring motor temperature

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