CN104136724A - Internal combustion engine valve drive adjustment device - Google Patents
Internal combustion engine valve drive adjustment device Download PDFInfo
- Publication number
- CN104136724A CN104136724A CN201380010276.1A CN201380010276A CN104136724A CN 104136724 A CN104136724 A CN 104136724A CN 201380010276 A CN201380010276 A CN 201380010276A CN 104136724 A CN104136724 A CN 104136724A
- Authority
- CN
- China
- Prior art keywords
- cam
- valve
- cam member
- locus
- motor vehicle
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
- F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
- F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
- F01L13/0015—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque
- F01L13/0036—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction
- F01L2013/0052—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for optimising engine performances by modifying valve lift according to various working parameters, e.g. rotational speed, load, torque the valves being driven by two or more cams with different shape, size or timing or a single cam profiled in axial and radial direction with cams provided on an axially slidable sleeve
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
The invention relates to a motor vehicle valve drive adjustment device having at least one camshaft (10) which comprises at least two cam elements (11, 12, 13, 14) arranged in an axially displaceable manner. It is proposed that a number of cam tracks (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34) for the actuation of a valve of one of the cam elements (11, 12, 13, 14) and a number of cam tracks (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34) for the actuation of a valve of another of the cam elements (11, 12, 13, 14) differ from one another.
Description
Technical field
The present invention relates to a kind of according to the Motor Vehicle valve mechanism controlling device described in the aforementioned part of claim 1.
Background technique
By the known a kind of Motor Vehicle valve mechanism controlling device with camshaft of DE102007037747A1, described camshaft comprises at least two cam members of axially movably arranging.
Summary of the invention
This aspect technical problem to be solved is especially, a kind of Motor Vehicle valve mechanism controlling device especially variable and while compact structure is provided.By the present invention, this technical problem solves by feature described in claim 1.Other design proposal is drawn by dependent claims.
The present invention relates to a kind of Motor Vehicle valve mechanism controlling device, have at least one camshaft, described camshaft comprises at least two cam members of axially movably arranging.
Suggestion, be used in the valve of handling in cam member one cam locus quantity with for handling another the quantity of cam locus of valve of cam member, differ from one another.Thus, single cam member can be configured to especially changeably and have a plurality of valve lifts, can form especially changeably Motor Vehicle valve mechanism controlling device whereby." camshaft " should especially be interpreted as a kind of axle at this, and it is designed for handles a plurality of valves of internal combustion engine of motor vehicle and for each valve is handled, has respectively at least one cam locus.At this, both can to have considered camshaft design be admission cam shaft and be designed for manipulation intake valve, and also can to consider camshaft design be exhaust cam shaft and be designed for manipulation exhaust valve." cam member " should especially be interpreted as a kind of element, and it is torsionally arranged on camshaft and is designed for manipulation valve, for corresponding valve, loads at least one lift directly or indirectly." torsionally " should especially be interpreted as a kind of connection, this connection does not add change ground transmitting torque and/or rotatablely moves." axially " should especially be interpreted as about the main rotating shaft of cam member axially." axially movably " should especially be interpreted as, the main rotating shaft that the cam member on camshaft can be parallel to cam member moves between at least two working positions." cam locus " should especially be interpreted as region cam member, that extend on week at the ring of this cam member, and this region has formed the valve of handling for valve and handled curve and/or this region and define described valve and handle." at least two cam members " should especially be interpreted as, Motor Vehicle valve mechanism controlling device comprises at least two cam members, but also can comprise three cam members, four cam members, five cam members, six cam members, eight cam members or other cam member in the significant quantity of those skilled in the art according to the number of cylinders of internal combustion engine of motor vehicle.
Further propose, the cam member of axially movably arranging regulates and has at least each two cam locus for each valve for the valve lift of at least one valve of countercylinder.Therefore can especially advantageously form Motor Vehicle valve mechanism controlling device." valve lift " should especially be interpreted as that at this valve passes through the motion that the cam locus of cam member triggers, and wherein valve preferably promotes and release flow cross section thus from its valve seat." valve lift adjusting " should especially be interpreted as the switching between at least two cam locus, and described cam locus defines the manipulation at least one valve.
In addition propose, at least one in described cam member has at least one with the cam locus of valve lift and with the cam locus of zero lift.Especially favourable cylinder closing function can be provided thus." zero lift " should especially be interpreted as, the valve of handling with zero lift has the valve lift remaining unchanged in the whole rotary course of cam member, and this valve preferably remains in its valve seat and keeps locking flow cross section in whole time of working at zero lift thus at this.At this, the cam locus with described zero lift preferably keeps contactless with corresponding valve in the whole rotary course of corresponding cam member, and is not in contact with it.And when cam member engages by zero lift, keep corresponding valve not handled.
In addition propose, another in described cam member only has at least one with the cam locus of valve lift.Corresponding cam member can especially advantageously and compactly form thus, therefore can form whole Motor Vehicle valve mechanism controlling device in compact structure ground.
In addition propose, one in described at least two cam members has respectively two for handling the cam locus of each valve, and another in described at least two cam members has respectively three for handling the cam locus of each valve.Thus, can form especially changeably Motor Vehicle valve mechanism controlling device.
In addition propose, described camshaft comprises four axially movable cam members, and wherein two cam members have respectively two for handling the cam locus of valve, and two other cam member has respectively three for handling the cam locus of valve.Thus, can provide for the internal combustion engine of motor vehicle of four cylinders especially favourable Motor Vehicle valve mechanism controlling device.
In addition propose, the cam member respectively with three cam locus has zero lift.Thus can be especially well and simply cylinder closing function is integrated into Motor Vehicle valve mechanism controlling device.
Further propose, described Motor Vehicle valve mechanism controlling device has to be controlled and/or regulon, at least two cam members described in this unit is provided for switching independently of each other at least partly.Thus, described cam member can be especially advantageously switched and described Motor Vehicle valve mechanism controlling device can be constructed especially changeably." control and/or regulon " and should especially be interpreted as a kind of unit with at least one control gear." control gear " should especially be interpreted as a kind of unit working procedure that has processor unit and have storage unit and have the working procedure being stored in described storage unit.Described control and/or regulon have a plurality of control gear connected to one another in principle, and described control gear is preferably provided for communicating with one another by bus system (especially for example CAN-bus system)." setting " should especially specifically be understood for programming, design and/or configuration." switch independently of each other at least partly " and should especially be interpreted as at this, whether a cam member can be switched in running state, and switched irrelevant with another cam member.In order to switch cam member, this can relate to same actuator at this, and this actuator can be independently and switched independently of each other described cam member.At this, the switching of all cam members within the time period that is less than camshaft rotation 10 circles should especially be interpreted as the relevant switching of described cam member, and this is not haveing nothing to do in the cam member meaning that can switch apart from each other.
In addition propose, control and/or regulon at least one running state, be provided for changing in cam member at least one switching position and maintain at least switching position of another cam member.Thus can be especially advantageously, independently switch cam member with another cam member." switching position of cam member " should especially be interpreted as the assigned position of cam member at this, cam member after switching completes, take up position and in this position the cam locus of defined engage with corresponding valve." change switching position " should especially be interpreted as, cam member is switched to another switching position from a switching position." maintenance switching position " should especially be interpreted as, the switching position of cam member remains unchanged and especially can not carry out the switching to another switching position.
In addition propose, the cam locus that at least one in cam member is different from another valve lift of another cam member with triggering at least one running state engages.Can move especially changeably internal combustion engine of motor vehicle thus.
Accompanying drawing explanation
Other advantage is drawn by the description of the drawings below.Shown in the drawings of one embodiment of the present of invention.Described accompanying drawing, explanation and claim comprise a large amount of Feature Combinations.Those skilled in the art also can consider separately worthily described feature and are summarized as other significant combination.
Wherein:
Fig. 1 shows according to the schematic diagram of Motor Vehicle valve mechanism controlling device of the present invention;
Fig. 2 shows according to the combined characteristic of Motor Vehicle valve mechanism controlling device of the present invention, and this combined characteristic is divided into different ranges of operation.
Embodiment
Fig. 1 shows according to Motor Vehicle valve mechanism controlling device of the present invention.This Motor Vehicle valve mechanism controlling device is a part for the internal combustion engine of motor vehicle 51 that is not shown specifically.Internal combustion engine of motor vehicle 51 is parts of the Motor Vehicle that is not shown specifically and has four cylinders that are not shown specifically.Be also contemplated that in principle internal combustion engine of motor vehicle 51 has other at the cylinder of the significant quantity of those skilled in the art.Internal combustion engine of motor vehicle 51 has each two valves that be not shown specifically, that be configured to intake valve and two valves that be not shown specifically, that be configured to exhaust valve for each cylinder.Be also contemplated that in principle internal combustion engine of motor vehicle 51 only has each intake valve and an exhaust valve or has other air inlet in the significant quantity of those skilled in the art and/or exhaust valve for each cylinder.Described Motor Vehicle valve mechanism controlling device has the camshaft 10 (this camshaft is provided for handling the valve that is configured to exhaust valve) that is configured to the camshaft 10 (this camshaft is provided for the valve that manipulation is configured to intake valve) of admission cam shaft and is not shown specifically, be configured to exhaust cam shaft.Next for the distinct reason of diagram, only to being configured to the camshaft 10 of admission cam shaft, describe.The camshaft 10 that the camshaft 10 that is configured to exhaust cam shaft can be admission cam shaft with formation hereinafter described in principle substantially forms in the same manner.At this, the camshaft 10 that is configured to admission cam shaft can load for the valve of its manipulation different lifts with the camshaft 10 that is configured to exhaust cam shaft, and the difference of described lift both can be that its maximum lift also can be its lift characteristics curve.Camshaft 10 can be rotated to support in the cylinder head of internal combustion engine of motor vehicle 51.
Camshaft 10 comprises four cam members 11,12,13,14 of axially movably arranging.The first cam member 11 is attached troops to a unit in the first cylinder and corresponding valve.The second cam member 12 is attached troops to a unit in the second cylinder and corresponding valve.The 3rd cam member 13 is attached troops to a unit in the 3rd cylinder and corresponding valve.Four-cam element 14 is attached troops to a unit in the 4th cylinder and corresponding valve.Axially movable cam member 11,12,13,14 is provided for handling and regulating the valve lift of each two valves of cylinder.Cam member 11,12,13,14 is torsionally connected with camshaft 10 by the shape not being shown specifically is sealed.Cam member 11,12,13,14 in axial direction arranges movably, and the main rotating shaft 36 of this axial direction and camshaft 10 extends abreast.Be also contemplated that in principle cam member 11,12,13,14 is connected with camshaft 10 in the significant mode of those skilled in the art with other.
For the quantity of cam locus 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34 that the valve of 11,12,13,14 1 of cam members is handled with for the quantity of cam locus 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34 that another valve of cam member 11,12,13,14 is handled, differ from one another.At this, for the valve lift of the valve of countercylinder regulates, the cam member 14 that the first cam member 11 of axially movably arranging and four-axial are arranged movably has each two cam locus 15,16,17,18,27,28,29,30 for each valve.The first cam member 11 and four-cam element 14 have 15,17,27,29 and two the second cam locus 16,18,28,30 of each two the first cam locus.Each first cam locus 15,17,27,29 and the second cam locus 16,18,28,30 are attached troops to a unit respectively in the identical valve of cylinder and are had different valve lifts and lift characteristics curve.Attach troops to a unit respectively and be adjacent to respectively be arranged on corresponding cam member 11,14 in the first cam locus 15,17,27,29 and second cam locus 16,18,28,30 of the identical valve of respective cylinder.The first cam locus 15,17,27,29 of cam member 11,14 is provided for little valve lift.The second cam locus 16,18,28,30 of cam member 11,14 is provided for large valve lift.At this, the first cam locus 15,17,27,29 that is provided for little valve lift is less than the maximum spacing arranging with the second cam locus 16,18,28,30 of large valve lift and the main rotating shaft 36 of camshaft 10.In the region of the first cam locus 15,17,27,29, cam member 11,14 has respectively cross sections different in the region from the second cam locus 16,18,28,30.
For the valve lift of the valve of the cylinder to attached troops to a unit regulates, the second cam member 12 and the 3rd cam member 13 have each three cam locus 19,20,21,22,23,24,25,26,31,32,33,34 for each valve.The second cam member 12 and the 3rd cam member 13 have respectively 20,22,24,26 and two the 3rd cam locus 31,32,33,34 of 19,21,23,25, two the second cam locus of two the first cam locus.Each first cam locus 19,21,23,25, the second cam locus 20,22,24,26 and the 3rd cam locus 31,32,33,34 are attached troops to a unit respectively in the identical valve of cylinder and are had different valve lifts and lift characteristics curve.All three cam locus 19,20,21,22,23,24,25,26,31,32,33,34 are arranged and direct adjacency adjacent to each other.The first cam locus 19,21,23,25 is arranged between the 3rd cam locus 31,32,33,34 and the second cam locus 20,22,24,26.
The first cam locus 19,21,23,25 of the second cam member 12 and the 3rd cam member 13 and the first cam locus 15,17,27,29 of the first cam member 11 and four-cam element 14 similarly form and are designed for little valve lift.The second cam locus 20,22,24,26 of the second and the 3rd cam member 12,13 and first and the second cam locus 16,18,28,30 of four-cam element 11,14 similarly form and be provided for large valve lift.The 3rd cam locus 31,32,33,34 of the second cam member 12 and the 3rd cam member 13 has zero lift.The 3rd cam locus 31,32,33,34 of the second and the 3rd cam member 12,13 can not cause the manipulation to valve in the situation that cam member 12,13 rotates completely.The 3rd cam locus 31,32,33,34 has the maximum spacing with the main rotating shaft 36 of camshaft 10, and this spacing is less than the spacing of the first cam locus 19,21,23,25.The 3rd cam locus 31,32,33,34 is contactless with attached troops to a unit valve in the situation that cam member 12,13 rotates completely.The 3rd cam locus 31,32,33,34 of the second and the 3rd cam member 12,13 is not handled valve, makes whereby corresponding cylinder with fuel-air mixture, not fill and can not lighted thus.In the situation that the 3rd cam locus 31,32,33,34 of cam member 12,13 engages, corresponding cylinder is closed and can not be produced driving torque.Although be also contemplated that in principle the 3rd cam locus 31,32,33,34 contact valves, this valve can be not raised from its valve seat.
It will also be appreciated that in principle other design proposal of cam member 11,12,13,14.So for example can expect, than other cam member 11,12,13,14 of camshaft 10, only have a cam member 11,12,13,14 to there is the cam locus 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34 of another quantity.Be also contemplated that in principle other cam member 11,12,13,14 in the significant quantity of those skilled in the art has the cam locus 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34 of other quantity.At this, be also contemplated that in principle, at least one cam member 11,12,13,14 only has a cam locus 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34 or other cam locus 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34 in the significant quantity of those skilled in the art, and described quantity is greater than 3.It will also be appreciated that in principle, described cam member 11, 12, 13, at least one in 14 has respectively at least two cam locus 15 for each valve is handled, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, and at least two cam members 11, 12, 13, another in 14 has respectively at least three cam locus 15 for each valve is handled, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, wherein cam locus 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, in 34, neither one has zero lift.
For cam member 11,12,13,14 is regulated, described Motor Vehicle valve mechanism controlling device has actuator arrangement 37, and this actuator arrangement is provided for regulating valve lift, moves axially the cam member of camshaft 10.By moving axially of cam member 11,12,13,14, the cam locus 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34 with corresponding valve in engaging is changed.The first cam member 11 and the second cam member 12 have respectively the first switching position and the second switching position.The second cam member 12 and the 3rd cam member 13 have the first switching position, the second switching position and the 3rd switching position.In the first switching position of cam member 11,12,13,14, two the first cam locus 15,17,19,21,23,25,27,29 of cam member engage respectively and the corresponding valve of corresponding cylinder are handled.In described the first switching position, with little valve lift, handle the valve of described cylinder.In the second switching position of cam member 11,12,13,14, two the second cam locus 16,18,20,22,24,26,28,30 of cam member 11,12,13,14 engage and the corresponding valve of respective cylinder are handled.In described the second switching position, with large valve lift, handle the valve of described cylinder.In the 3rd switching position, the 3rd cam locus 31,32,33,34 of the second cam member 12 and the 3rd cam member 13 engages respectively.Because the 3rd cam locus 31,32,33,34 has respectively zero lift and each corresponding valve remains on not operation state, so each corresponding cylinder is closed in the 3rd switching position of the second and the 3rd cam member 12,13.
Described Motor Vehicle valve mechanism controlling device comprises to be controlled and regulon 35.Control and regulon 35 are configured to a part for engine controlling unit.Be also contemplated that in principle control and regulon 35 are configured to independently unit.Control and regulon 35 arrange with switching independently of each other at least four cam members 11,12,13,14.For a cam member 11,12,13,14 is switched to another switching position from a switching position, control and regulon 35 send to electric or electronic signal on actuator arrangement 37, and this actuator arrangement is switched to corresponding cam member 11,12,13,14 another switching position from a switching position subsequently.Control and regulon 35 are provided for changing the switching position of in cam member 11,12,13,14 and maintain the switching position of another cam member 11,12,13,14 at least one running state.Thus, control and regulon 35 is changed into large valve lift by the valve lift of in cam member 11,12,13,14 from little valve lift, from large valve lift, change into little valve lift or change into zero lift from a kind of valve lift, wherein the valve lift of other cam member not switching 11,12,13,14 keeps its current little lift, high-lift or zero lift.At this, be also contemplated that control and regulon 35 at least substantially side by side switch only 11,12,13,14, three cam members 11,12,13,14 of 11,12,13,14, two cam members of a cam member or whole four cam members 11,12,13,14 in the running state of regulation.At this, can realize temporal difference by actuator arrangement 37, this difference is preferably only for being no more than two circle camshaft rotations.Be also contemplated that in principle and switch all to be switched cam members 11,12,13,14 simultaneously.
At least one in four cam members 11,12,13,14 engages with a cam locus 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34 at least one running state, compare with another cam locus engaging 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34 in described four cam members 11,12,13,14, described cam locus triggers a different valve lift.Each cam member 11,12,13,14 engages with cam locus 15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34 in a running state, and described cam locus triggers various valve lift or zero lift in corresponding valve.For example, in a running state, at least one in four cam members 11,14 is in the first switching position, that is to say with a cam locus 15,17,27,29 and engage, described cam locus triggers little valve lift, and simultaneously in four cam members 12,13 at least another in the 3rd switching position, engage with the 3rd cam locus 31,32,33,34 that is to say, described cam locus triggers zero lift.
Actuator arrangement 37 comprises a central actuator 38, and this actuator is provided for switching whole four cam members.Be also contemplated that in principle actuator arrangement 37 comprises two actuators 38, described actuator is provided for respectively switching two in four cam members 11,12,13,14.Be also contemplated that in principle actuator arrangement 37 has an independently actuator for each that switch in cam member 11,12,13,14, this actuator only switches respectively one attaches troops to a unit in its cam member 11,12,13,14.It will also be appreciated that in principle any other layout at the significant actuator of those skilled in the art and/or quantity, to switch cam member 11,12,13,14.At this, can also combine only switching the actuator of a cam member 11,12,13,14 and switching a plurality of cam member 11,12,13,14 actuators.
As shown in Figure 2, described Motor Vehicle valve mechanism controlling device has four different ranges of operation 39,40,41,42.In the figure shown in Fig. 2, on abscissa 52, described the rotating speed of internal combustion engine of motor vehicle 51 and on y coordinate 53, described the power of internal combustion engine of motor vehicle 51.Can expect in principle, described Motor Vehicle valve mechanism controlling device has other in the range of operation 39,40,41,42 of the significant quantity of those skilled in the art.Different range of operation 39,40,41, the 42 power-speed range corresponding to internal combustion engine of motor vehicle 51.At the first power of regulation, 43 below and at the first rotating speed of stipulating below 44, internal combustion engine of motor vehicle 51 is in the first range of operation 39.Close-range of operation that the first range of operation 39 is configured to central authorities.At the first power of regulation more than 43 and at the second regulation power below 45, or at the first regulation rotating speed more than 44 and at the second regulation rotating speed below 46, internal combustion engine of motor vehicle 51 is in the second range of operation 40.The second range of operation 40 is configured to close-range of operation of central authorities equally.The 3rd range of operation 41 is limited by the second regulation power 45, the second regulation rotating speed 46 and the 3rd regulation power 47 and the 3rd regulation rotating speed 48.The 4th range of operation 42 is limited by the 3rd regulation power 47, the 3rd regulation rotating speed 48 and peak output 49 and maximum (top) speed 50.The definition of each power and rotating speed is depended on corresponding internal combustion engine of motor vehicle 51 and is changed in the significant scope of those skilled in the art.
In each range of operation 39,40,41,42, described Motor Vehicle valve mechanism controlling device has the various combination of the switching position of cam member 11,12,13,14.In the first range of operation 39 of the close-range of operation that is configured to central authorities, the first cam member 11 and four-cam element 14 are in respectively in its first switching position and with little valve lift, handle corresponding valve respectively.The second cam member 12 and the 3rd cam member 13 are in respectively in the 3rd switching position and with zero valve lift in described the first range of operation handles corresponding valve.
In the second range of operation 40 of the close-range of operation that is configured to central authorities, the first cam member 11 and four-cam element 14 are in respectively in its second switching position and with large valve lift, handle corresponding valve respectively.The second cam member 12 and the 3rd cam member 13 are in the 3rd switching position and with zero lift and handle corresponding valve in the second range of operation 40.For this reason, when being transitioned into the second range of operation 40 by actuator arrangement 37 from the first range of operation 39, control and regulon 35 are switched to the first cam member 11 and four-cam element 14 the second switching position and thus the valve lift of valve the first and the 4th cylinder, that handled by the first cam member 11 and four-cam element 14 are changed into large valve lift by little valve lift from the first switching position respectively.
In the 3rd range of operation 41, whole four cam members 11,12,13,14 are switched in identical switching position.In the 3rd range of operation 41, cam member 11,12,13,14 is respectively in its first switching position and handle corresponding valve with little valve lift respectively.For this reason, when being transitioned into the 3rd range of operation 41 by actuator arrangement 37 from the second range of operation 40, control and regulon 35 are switched to the first cam member 11 and four-cam element 14 the first switching position and thus the valve lift of valve the first and the 4th cylinder, that handled by the first cam member 11 and four-cam element 14 are changed into little valve lift by large valve lift from the second switching position respectively.In addition, when being transitioned into the 3rd range of operation 41 by actuator arrangement 37 from the second range of operation 40, control and regulon 35 are switched to the second cam member 12 and the 3rd cam member 13 the first switching position and thus the valve lift of valve the second and the 3rd cylinder, that handled by the second cam member 12 and the 3rd cam member 13 are changed into little valve lift by zero lift from the 3rd switching position respectively.
In the 4th range of operation 42, whole four cam members 11,12,13,14 are switched in identical switching position.In the 4th range of operation 42, all cam member 11,12,13,14 is switched to respectively in its second switching position and with large valve lift, handles corresponding valve respectively.For this reason, when being transitioned into the 4th range of operation 42 by actuator arrangement 37 from the 3rd range of operation 41, control and regulon 35 are switched to the first cam member 11, the second cam member 12, the 3rd cam member 13 and four-cam element 14 the second switching position and thus the valve lift of valve the first, second, third and the 4th cylinder, that handled by the first cam member 11, the second cam member 12, the 3rd cam member 13 and four-cam element 14 are changed into large valve lift by little valve lift from the first switching position respectively respectively.
Be also contemplated that in principle, skip other range of operation 39,40,41,42, wherein for example the switching of corresponding cam member 11,12,13,14 temporarily skipped and for example be transitioned into the corresponding next one or more next range of operation within 39,40,41,42 o'clock, just carried out.At this, can expect, control and regulon 35 for example, are skipped other range of operation 39,40,41,42 or the switching of corresponding cam member 11,12,13,14 in single range of operation according to engine parameter (load torque or class likelihood data).
Certainly it will also be appreciated that in principle any other switching in different ranges of operation 39,40,41,42 at the significant cam member 11,12,13,14 of those skilled in the art.So for example can expect, in the 3rd range of operation 41, the first cam member 11 and four-cam element 14 are switched to the first switching position in and the second cam member 12 and the 3rd cam member 13 are switched in its second switching position.
Actuator arrangement 37 has mechanical coding, and this coding presets the transfer sequence of the regulation of cam member 11,12,13,14.Mechanical coding by actuator arrangement 37 presets regularly the transfer sequence of cam member 11,12,13,14 and the switching of each cam member 11,12,13,14 is carried out according to fixing pattern all the time.The independent switching of each cam member 11,12,13,14 in different ranges of operation 39,40,41,42 presets by described mechanical coding.In next range of operation 39,40,41,42, there is all the time identical switching position following the switching of cam member 11,12,13,14.In the situation that be switched to adjacent range of operation 39,40,41,42 from a range of operation 39,40,41,42, control and regulon 35 only send the signal for switching to actuator arrangement 37, and the correct switching of cam member 11,12,13,14 pre-determines by described mechanical coding.In cam member 11,12,13,14, the mistake of is switched or does not switch and got rid of.The switching position of the regulation of cam member 11,12,13,14 exists all the time.
Actuator arrangement 37 is provided for switching cam member 11,12,13,14 according at least one Operational Limits of internal combustion engine of motor vehicle 51.In the situation that surpass the rotating speed 44,46,48 of regulation or the power 43,45,47 of regulation internal combustion engine of motor vehicle 51, that respectively two ranges of operation 39,40,41,42 are separated from each other, control and regulon 35 send signal in order to switch corresponding cam member 11,12,13,14 by actuator arrangement 37.
Mentioned above and explanation only relate to the design proposal for the Motor Vehicle valve mechanism controlling device of the internal combustion engine of motor vehicle 51 with four cylinders.The design proposal of Motor Vehicle valve mechanism controlling device of internal combustion engine of motor vehicle 51 of (for example twin cylinder, three cylinders, six cylinders or eight cylinders) is substantially the same to be used for having other quantity cylinder.The cylinder of other quantity has caused the axially movable cam member 11,12,13,14 of number of matches, and has determined thus the possible quantity of combination of the switching position of each cam member 11,12,13,14.Described in above embodiment, for thering is the Motor Vehicle valve mechanism controlling device of the internal combustion engine of motor vehicle 51 of more or less cylinder, realized the independent switching of cam member 11,12,13,14 or switched by group, described switching can match with the quantity of cam member 11,12,13,14 as described above.The quantity of the design proposal of actuator arrangement 37 and actuator 38 and/or layout can be to realize in the significant mode of those skilled in the art.
Reference numerals list
10 camshafts
11 cam members
12 cam members
13 cam members
14 cam members
15 cam locus
16 cam locus
17 cam locus
18 cam locus
19 cam locus
20 cam locus
21 cam locus
22 cam locus
23 cam locus
24 cam locus
25 cam locus
26 cam locus
27 cam locus
28 cam locus
29 cam locus
30 cam locus
31 cam locus
32 cam locus
33 cam locus
34 cam locus
35 control and/or regulon
36 main rotating shafts
37 actuator arrangements
38 actuators
39 ranges of operation
40 ranges of operation
41 ranges of operation
42 ranges of operation
43 first power
44 first rotating speeds
45 second power
46 second rotating speeds
47 the 3rd power
48 the 3rd rotating speeds
49 peak outputs
50 maximum (top) speeds
51 internal combustion engine of motor vehicle
52 abscissas
53 y coordinates
Claims (12)
1. a Motor Vehicle valve mechanism controlling device, has at least one camshaft (10), and described camshaft comprises at least two cam members (11,12,13,14) of axially movably arranging,
It is characterized in that,
Be used for described cam member (11, 12, 13, 14) cam locus (15 that in, the valve of is handled, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34) quantity and for to described cam member (11, 12, 13, 14) cam locus (15 that the valve of another in is handled, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34) quantity differs from one another.
2. Motor Vehicle valve mechanism controlling device according to claim 1, it is characterized in that, the described cam member (11,12,13,14) of axially movably arranging has respectively two cam locus (15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34) for the valve lift of at least one valve of countercylinder regulates for each valve.
3. Motor Vehicle valve mechanism controlling device according to claim 1 and 2, it is characterized in that, at least one in described cam member (12,13) has at least one cam locus with valve lift (19,20,21,22,23,24,25,26) and with the cam locus (31,32,33,34) of zero lift.
4. Motor Vehicle valve mechanism controlling device according to claim 3, it is characterized in that, another in described cam member (11,14) only has at least one cam locus with valve lift (15,16,17,18,27,28,29,30).
5. according to the Motor Vehicle valve mechanism controlling device described in any one in the claims, it is characterized in that, in described at least two cam members (11,14) one has respectively two for handling the cam locus (15,16,17,18,27,28,29,30) of each valve, and another in described at least two cam members (12,13) has respectively three for handling the cam locus (19,20,21,22,23,24,25,26,31,32,33,34) of each valve.
6. according to the Motor Vehicle valve mechanism controlling device described in any one in the claims, it is characterized in that, described camshaft (10) comprises four axially movable cam members (11,12,13,14), wherein two cam members (11,14) have respectively two for handling the cam locus of valve, and two other cam member (12,13) has respectively three for handling the cam locus of valve.
7. according to the Motor Vehicle valve mechanism controlling device described in claim 5 or 6, it is characterized in that, the cam member (12,13) with three cam locus (19,20,21,22,23,24,25,26,31,32,33,34) all has zero lift.
8. according to the Motor Vehicle valve mechanism controlling device described in any one in the claims, it is characterized in that controlling and/or regulon (35), this control and/or regulon are provided for switching independently of each other at least partly at least two cam members (11,12,13,14).
9. Motor Vehicle valve mechanism controlling device according to claim 8, it is characterized in that, described control and/or regulon (35) be provided at least one running state for change described cam member (11,12,13,14) at least one switching position and maintain at least switching position of another cam member (11,12,13,14).
10. according to the Motor Vehicle valve mechanism controlling device described in any one in the claims, it is characterized in that, at least one in cam member (11,12,13,14) engages with a cam locus (15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34) at least one running state, and this cam locus triggers another the different air valve lift being different from cam member (11,12,13,14).
11. 1 kinds for moving according to the method for the Motor Vehicle valve mechanism controlling device one of the claims Suo Shu.
12. 1 kinds of internal-combustion engines, it has according to of the present invention according to the Motor Vehicle valve mechanism controlling device described in any one in the claims.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012003491A DE102012003491A1 (en) | 2012-02-21 | 2012-02-21 | Kraftfahrzeugventiltriebverstellvorrichtung |
| DE102012003491.1 | 2012-02-21 | ||
| PCT/EP2013/000023 WO2013124020A1 (en) | 2012-02-21 | 2013-01-08 | Internal combustion engine valve drive adjustment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104136724A true CN104136724A (en) | 2014-11-05 |
Family
ID=47557138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380010276.1A Pending CN104136724A (en) | 2012-02-21 | 2013-01-08 | Internal combustion engine valve drive adjustment device |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20140318485A1 (en) |
| EP (1) | EP2817494B1 (en) |
| JP (1) | JP2015507140A (en) |
| CN (1) | CN104136724A (en) |
| DE (1) | DE102012003491A1 (en) |
| WO (1) | WO2013124020A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107109966A (en) * | 2014-12-23 | 2017-08-29 | 戴姆勒股份公司 | Internal combustion engine valve device |
| CN110005499A (en) * | 2019-03-27 | 2019-07-12 | 大连理工大学 | A kind of general type multi-mode valve actuating mechanism |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8931444B2 (en) | 2012-11-20 | 2015-01-13 | Ford Global Technologies, Llc | Head packaging for cylinder deactivation |
| US9399964B2 (en) | 2014-11-10 | 2016-07-26 | Tula Technology, Inc. | Multi-level skip fire |
| US11236689B2 (en) | 2014-03-13 | 2022-02-01 | Tula Technology, Inc. | Skip fire valve control |
| US10662883B2 (en) | 2014-05-12 | 2020-05-26 | Tula Technology, Inc. | Internal combustion engine air charge control |
| WO2015175286A1 (en) * | 2014-05-12 | 2015-11-19 | Tula Technology, Inc. | Internal combustion engine using variable valve lift and skip fire control |
| SE539832C2 (en) * | 2016-04-28 | 2017-12-12 | Scania Cv Ab | A valve drive for an internal combustion engine with variable control of valves |
| DE102017223500A1 (en) * | 2017-12-21 | 2019-06-27 | Volkswagen Aktiengesellschaft | Method for operating an internal combustion engine and internal combustion engine |
| DE102017130977A1 (en) * | 2017-12-21 | 2019-06-27 | Volkswagen Aktiengesellschaft | Internal combustion engine with four cylinders and method for operating such an internal combustion engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05163971A (en) * | 1991-12-10 | 1993-06-29 | Toyota Motor Corp | Controller for multiple cylinder internal combustion engine |
| DE102007010155A1 (en) * | 2007-03-02 | 2008-09-04 | Audi Ag | Camshaft for IC engine has two cam followers plus a circular cam which slides axially into the cam bearing for the non operating valve setting |
| CN101779008A (en) * | 2007-08-10 | 2010-07-14 | 戴姆勒股份公司 | Internal combustion engine valve train switching device |
| CN102066704A (en) * | 2008-06-20 | 2011-05-18 | 戴姆勒股份公司 | Valve train device |
| US20110180029A1 (en) * | 2010-01-25 | 2011-07-28 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Valve drive for activation of gas exchange valves of internal combustion engines |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10148177B4 (en) * | 2001-09-28 | 2015-05-13 | Schaeffler Technologies AG & Co. KG | Valve train with valve lift switching for the gas exchange valves of a 4-stroke internal combustion engine |
| DE102004011586A1 (en) * | 2003-03-21 | 2004-10-07 | Audi Ag | Valve gear for internal combustion engine has facility whereby in first and second axial positions of cam carrier first and second stop faces fixed on cam carrier bear against respective first and second stop faces fixed on cylinder head |
| DE102007037747B4 (en) | 2007-08-10 | 2022-06-15 | Mercedes-Benz Group AG | Internal combustion engine valve train switching device |
| DE202009015465U1 (en) * | 2009-02-14 | 2010-02-25 | Schaeffler Kg | Valve gear of an internal combustion engine |
| US8714125B2 (en) * | 2009-10-06 | 2014-05-06 | Yamaha Hatsudoki Kabushiki Kaisha | Valve gear of engine |
-
2012
- 2012-02-21 DE DE102012003491A patent/DE102012003491A1/en not_active Withdrawn
-
2013
- 2013-01-08 JP JP2014556939A patent/JP2015507140A/en active Pending
- 2013-01-08 CN CN201380010276.1A patent/CN104136724A/en active Pending
- 2013-01-08 WO PCT/EP2013/000023 patent/WO2013124020A1/en active Application Filing
- 2013-01-08 EP EP13700194.7A patent/EP2817494B1/en active Active
-
2014
- 2014-07-06 US US14/324,195 patent/US20140318485A1/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05163971A (en) * | 1991-12-10 | 1993-06-29 | Toyota Motor Corp | Controller for multiple cylinder internal combustion engine |
| DE102007010155A1 (en) * | 2007-03-02 | 2008-09-04 | Audi Ag | Camshaft for IC engine has two cam followers plus a circular cam which slides axially into the cam bearing for the non operating valve setting |
| CN101779008A (en) * | 2007-08-10 | 2010-07-14 | 戴姆勒股份公司 | Internal combustion engine valve train switching device |
| CN102066704A (en) * | 2008-06-20 | 2011-05-18 | 戴姆勒股份公司 | Valve train device |
| US20110180029A1 (en) * | 2010-01-25 | 2011-07-28 | Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr | Valve drive for activation of gas exchange valves of internal combustion engines |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107109966A (en) * | 2014-12-23 | 2017-08-29 | 戴姆勒股份公司 | Internal combustion engine valve device |
| US10443454B2 (en) | 2014-12-23 | 2019-10-15 | Daimler Ag | Valve drive device for an internal combustion engine |
| CN110005499A (en) * | 2019-03-27 | 2019-07-12 | 大连理工大学 | A kind of general type multi-mode valve actuating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2015507140A (en) | 2015-03-05 |
| DE102012003491A1 (en) | 2013-08-22 |
| EP2817494B1 (en) | 2015-10-14 |
| US20140318485A1 (en) | 2014-10-30 |
| WO2013124020A1 (en) | 2013-08-29 |
| EP2817494A1 (en) | 2014-12-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104136724A (en) | Internal combustion engine valve drive adjustment device | |
| CN104160121A (en) | Internal combustion engine valve train adjustment device | |
| CN103608552B (en) | Internal combustion engine valve drive device for a motor vehicle | |
| US8863714B1 (en) | Camshaft assembly | |
| CN104564200B (en) | Cam assembly | |
| US9926858B2 (en) | Control method using continuous variable valve duration apparatus | |
| CN107939466B (en) | Multi-stage sliding cam actuator for an internal combustion engine assembly | |
| US20090151673A1 (en) | Variable valve system | |
| CN107667207A (en) | Split type axial cam shift system variable valve actuation function | |
| US9631523B2 (en) | Internal combustion engine valve train adjustment device | |
| CN103890327A (en) | Valve train device | |
| CN104819021B (en) | Manipulate the device and method of at least one drain tap of the internal combustion engine of valve control | |
| US6832583B2 (en) | Direct acting differential two-step valve train | |
| US20180094554A1 (en) | Variable camshaft | |
| US9759099B2 (en) | Valve drive train device for an internal combustion engine | |
| US20140331949A1 (en) | Internal Combustion Engine Valve Train Device | |
| CN108661737A (en) | Valve actuation device for internal combustion engine | |
| US11047269B2 (en) | Valve train device | |
| CN103726898A (en) | Valve timing mechanism for engine and vehicle with same | |
| CN109312646B (en) | Valve driving piece | |
| GB2504693A (en) | A control system and method of controlling valve timing in an internal combustion engine | |
| WO2008011619A2 (en) | Fully variable mechanical engine valve train | |
| CN113738472A (en) | Deceleration cylinder shut-off with sliding cam | |
| CN111164278A (en) | Valve drive, in particular for an internal combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141105 |