EP3144472A1 - Anordnung von mindestens zwei vorrichtungen von hydraulischen pumpen - Google Patents

Anordnung von mindestens zwei vorrichtungen von hydraulischen pumpen Download PDF

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Publication number
EP3144472A1
EP3144472A1 EP16189295.5A EP16189295A EP3144472A1 EP 3144472 A1 EP3144472 A1 EP 3144472A1 EP 16189295 A EP16189295 A EP 16189295A EP 3144472 A1 EP3144472 A1 EP 3144472A1
Authority
EP
European Patent Office
Prior art keywords
manifold
pressure
assembly block
high pressure
arrangement according
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP16189295.5A
Other languages
English (en)
French (fr)
Other versions
EP3144472B1 (de
Inventor
Philippe Eyraud
Laurent BABONNAUD
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JTEKT Europe SAS
Original Assignee
JTEKT HPI SAS
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Filing date
Publication date
Application filed by JTEKT HPI SAS filed Critical JTEKT HPI SAS
Publication of EP3144472A1 publication Critical patent/EP3144472A1/de
Application granted granted Critical
Publication of EP3144472B1 publication Critical patent/EP3144472B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
    • F04C11/001—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations of similar working principle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
    • F01C21/00—Component parts, details or accessories not provided for in groups F01C1/00 - F01C20/00
    • F01C21/007—General arrangements of parts; Frames and supporting elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/02—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for several machines or pumps connected in series or in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
    • F04C14/06—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations specially adapted for stopping, starting, idling or no-load operation
    • F04C14/065—Capacity control using a multiplicity of units or pumping capacities, e.g. multiple chambers, individually switchable or controllable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/30—Casings or housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/70—Use of multiplicity of similar components; Modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/806—Pipes for fluids; Fittings therefor

Definitions

  • the invention relates to an arrangement of at least two hydraulic pump devices in particular geared, each driven by an electric motor and connected by a manifold device to a source of low pressure hydraulic fluid and a user of high pressure fluid, such as 'an assistance system for driving a vehicle (car, bus or truck).
  • the invention aims to overcome this disadvantage.
  • each pump with its drive motor constitutes an autonomous electric pump unit provided with a clean manifold, that the two groups are identical and are connected to the source of fluid and the user of the high pressure fluid by a single assembly block mounted on the manifolds of the two electric pump units.
  • the figure 1 shows, in the form of a synoptic view, by way of non-limiting example, a system for assisting the driving of a vehicle, which is equipped with an arrangement of hydraulic pumps according to the invention.
  • the arrangement is designated by the reference 1. It comprises two groups of hydraulic pumps 3, 5, each formed by a pump 7 gear and an electric drive motor 9 of the pump. Pumps suck low pressure hydraulic fluid into of the oil of a fluid source 11, in the form of a liquid reservoir and send high pressure fluid to a driving assistance mechanism 13, via an assembly block 15.
  • references 17, 18 and 19 denote respectively an electric power supply battery of the electric motors, the CAN computer network of the vehicle and an APC device of the vehicle.
  • Each electric pump unit 3, 5 comprises an electronic card housing 21 provided with electrical power connection members 22 and terminals 24 for connecting the electrical control signals of the motor. On each housing 21 is arranged a manifold 25 low pressure fluid suction and discharge of the high pressure fluid.
  • each manifold has an assembly side portion at the assembly block 15, which comprises a zone 28 for laying the block 15, provided with the connection orifices 29, 30 respectively for suctioning the low pressure liquid from the source 11 and the discharge of the high-pressure liquid to the driving assistance mechanism 13.
  • the parallelepiped-shaped assembly block 15 comprises on its lower face 31, at the two edges adjacent to the manifolds, two zones 32, 33 each provided with a low pressure connection port 29 'and a high pressure port 30', which are to be connected to the corresponding ports 29, 30 of the manifolds.
  • the assembly block 15 comprises a low pressure liquid suction orifice 37 and a high pressure discharge orifice 38 which are provided on opposite end faces 40, 41 of the block, perpendicular to the faces adjacent to the manifolds 25.
  • the suction 37 and discharge 38 ports are in communication by the internal channels with the low pressure and high pressure orifices 29 'and 30' of the bearing zones 32, 33.
  • the assembly block 15 is further provided in each high-pressure liquid channel of a non-return valve 44, 44 'and a feedback valve 45 interposed between the high pressure path and the reservoir 11.
  • the figure shows at 47 the two pinions of the hydraulic gear pump 7, at 49, 50 the upper and lower bearings of the shafts 52, 53 of the pinions.
  • the pinions and bearings are mounted in the cavity 63 of the pump body 58.
  • the references 54, 55 designate seals interposed between the components of the pump, respectively at the cover 51 and the manifold 25.
  • a seal sealing 56 is interposed between the manifold 25 and the housing 21.
  • the shaft 52 of one of the pinions 47 is longer and intended to pass through the manifold, to constitute the drive shaft of the pump, connected to the motor shaft 9.
  • the references 60 and 61 respectively denote fixing bolts of the manifold 25 on the housing 21 and the fixing screws of the cover 51 on the manifold 25 through the pump body 58. It is also noted that the connection zone 28, with its low pressure connection openings 29 and high pressure 30 is raised relative to the upper plane of the manifold to form the laying zone on which bears one of the two zones 32 and 33 of high pressure ports 30 'and low pressure 29' of the assembly block 15.
  • the figure still shows in 68 a support piece of the two pump units, which allows the attachment of the arrangement according to the invention to the vehicle structure.
  • references 70 and 71 on the figure 17 designate internal channels of the manifold, which establish communication respectively between the inlet and low pressure high pressure ports 29 of the delivery zone 28 of each manifold and to the suction and discharge chambers of the pump in the cavity 63 pump body 58.
  • Each channel 70, 71 is formed by a series of rectilinear channel sections 72 ( figure 16 ) and 73, 74 ( figure 17 ). These sections are perpendicular to each other. The sections 73, 74 are open at 75 and 76 for reasons of making sections. The openings are then plugged. The sections 72 establish the communication between the connecting orifices 29, 30 and the internal section 73. The sections 74 open into the cavity 63 of the pump.
  • the body 15 of substantially parallelepiped shape has on its front face 40 the low pressure inlet orifice 37 which communicates by a series of sections 80, 81 and 82, with the connecting port 29 'of the bearing zone 32 and via the series of sections 80, 84 and 85 with the connection port 29 'of the bearing zone 33, as is apparent from the Figures 9 to 11 .
  • the different sections of channels are rectilinear and perpendicular to each other.
  • the sections 81 and 84 open outwards, for reasons of completion of the sections. After completion of the sections, the openings are plugged.
  • the inlet port 38 of high pressure liquid located on the opposite face 41 to the face of the low pressure opening 37 communicates, as seen on the figures 9 , 12 and 13 , by a series of channel sections 87, 88 and 89 with the connection port 30 'of the bearing zone 32 intended to be connected to a manifold, and subsequently of the sections 87, 90 and 91 with the orifice 30 'of the bearing zone 33, intended to be connected to the orifice 30 of the other manifold.
  • the two orifices 30' of the assembly block 15 are arranged diagonally opposite with respect to the vertical central axis of the assembly block 15. It can be seen that the sections 88 and 90 which open towards the outside to be able to be made are then closed at their openings.
  • the non-return valve 44 is mounted in a channel section 88 which communicates via the section 89 with the high pressure port 30 'of the block and the non-return valve 44' is arranged in the section 90 which communicates through the section 91 with the other high pressure port 30 '.
  • Each non-return valve comprises a ball 95 which is pushed by a return spring 97 into a position in which it allows the passage of the high pressure liquid from the section 89 or 91 to the orifice 38, but prevents the flow of high liquid. pressure in the opposite direction.
  • the refill valve 45 As shown in FIG. figure 9 it is mounted in a channel section 102 extending from the upper face 103 of the block 15 to the channel section 80 which opens outwards by the low pressure port 37.
  • the valve comprises a ball 104 which is pushed by a spring 105 on a sealing seat 106 and, pressed against the seat, closes the passage to the section 80.
  • the opening of the section 102, at the level of the upper surface 103 of the block is closed by a plug 107.
  • the low pressure liquid of the tank 11 is sucked by the two pumps 7 rotated each by its motor 9, through the assembly block 15.
  • the low pressure liquid enters the block 15 through the inlet opening 37 to out through the openings 29 'each of which is connected to the opening 29 of a manifold.
  • the liquid then passes through the following internal channels of the manifold 25 to reach the suction chamber of the corresponding pump 7.
  • the high pressure liquid discharged by the two pumps out through the opening 30 of each manifold and enters through the two orifices 30 'of the block to exit through the single high pressure port 38, to reach the driving assistance mechanism 13 .
  • each electric pump unit is autonomous and capable of being connected by the connection zone of its manifold directly to the source of low pressure fluid and to the user of high pressure fluid.
  • the assembly block is only used for connecting stand-alone electric pumps to a common source and a common user.
  • the block comprises only connecting channels and, where appropriate, functions which concern all the assembled electric pumps.
  • the arrangement may comprise a larger number of electric pump units always assembled by a single assembly block whose internal channel device can be easily adapted accordingly.
  • the internal channel devices can be made differently without this changing anything to the novel concept of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP16189295.5A 2015-09-16 2016-09-16 Anordnung von mindestens zwei vorrichtungen von hydraulischen pumpen Active EP3144472B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1570041A FR3041045B1 (fr) 2015-09-16 2015-09-16 Agencement d'au moins deux dispositifs de pompes hydrauliques

Publications (2)

Publication Number Publication Date
EP3144472A1 true EP3144472A1 (de) 2017-03-22
EP3144472B1 EP3144472B1 (de) 2023-08-30

Family

ID=55300719

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16189295.5A Active EP3144472B1 (de) 2015-09-16 2016-09-16 Anordnung von mindestens zwei vorrichtungen von hydraulischen pumpen

Country Status (2)

Country Link
EP (1) EP3144472B1 (de)
FR (1) FR3041045B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017208373A1 (de) * 2017-05-18 2018-11-22 Continental Teves Ag & Co. Ohg Druckbereitstellunganordnung sowie korrespondierendes Verfahren und Verwendung
DE102019111980A1 (de) * 2019-05-08 2020-11-12 Rapa Automotive Gmbh & Co. Kg Energieversorgungseinheit für aktives fahrwerksystem
DE102019118384A1 (de) * 2019-07-08 2021-01-14 Rapa Automotive Gmbh & Co. Kg Mpe-achssatz mit gemeinsamer ecu

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3596705B2 (ja) * 1996-04-08 2004-12-02 株式会社荏原製作所 給水ポンプ装置
EP1783371A1 (de) * 2005-11-08 2007-05-09 Jtekt HPI Elektropumpeneinheit
DE102009045574A1 (de) * 2009-10-12 2011-04-14 Robert Bosch Gmbh Doppel-Innenzahnradpumpe
WO2012140018A1 (en) * 2011-04-12 2012-10-18 Grundfos Management A/S Manifold system
DE102014225498A1 (de) * 2013-12-18 2015-06-18 Robert Bosch Gmbh Kombination von Maschinen

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3596705B2 (ja) * 1996-04-08 2004-12-02 株式会社荏原製作所 給水ポンプ装置
EP1783371A1 (de) * 2005-11-08 2007-05-09 Jtekt HPI Elektropumpeneinheit
DE102009045574A1 (de) * 2009-10-12 2011-04-14 Robert Bosch Gmbh Doppel-Innenzahnradpumpe
WO2012140018A1 (en) * 2011-04-12 2012-10-18 Grundfos Management A/S Manifold system
DE102014225498A1 (de) * 2013-12-18 2015-06-18 Robert Bosch Gmbh Kombination von Maschinen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017208373A1 (de) * 2017-05-18 2018-11-22 Continental Teves Ag & Co. Ohg Druckbereitstellunganordnung sowie korrespondierendes Verfahren und Verwendung
DE102019111980A1 (de) * 2019-05-08 2020-11-12 Rapa Automotive Gmbh & Co. Kg Energieversorgungseinheit für aktives fahrwerksystem
US11506227B2 (en) 2019-05-08 2022-11-22 Rapa Automotive Gmbh & Co. Kg Energy supply unit for active chassis system
DE102019118384A1 (de) * 2019-07-08 2021-01-14 Rapa Automotive Gmbh & Co. Kg Mpe-achssatz mit gemeinsamer ecu
US11554625B2 (en) 2019-07-08 2023-01-17 Rapa Automotive Gmbh & Co. Kg MPU axle set with common ECU

Also Published As

Publication number Publication date
FR3041045B1 (fr) 2020-11-27
FR3041045A1 (fr) 2017-03-17
EP3144472B1 (de) 2023-08-30

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