CN103982263A - Variable air valve timing system - Google Patents
Variable air valve timing system Download PDFInfo
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- CN103982263A CN103982263A CN201410146352.8A CN201410146352A CN103982263A CN 103982263 A CN103982263 A CN 103982263A CN 201410146352 A CN201410146352 A CN 201410146352A CN 103982263 A CN103982263 A CN 103982263A
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- steel pipe
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- outer steel
- housing
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 186
- 239000010959 steel Substances 0.000 claims abstract description 186
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 230000003068 static effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract description 14
- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses a variable air valve timing system, which belongs to the technical field of an automobile engine and comprises a cam, an outer steel pipe, an inner steel pipe and a phase regulating mechanism, wherein the cam is fixedly arranged on the outer steel pipe, the inner steel pipe and the phase regulating mechanism are respectively arranged inside the outer steel pipe, the inner steel pipe and the outer steel pipe are rotationally connected, and the phase regulating mechanism is glidingly connected with the outer steel pipe. Through the arrangement of the outer steel pipe and the inner steel pipe and through the phase regulating mechanism arranged inside the outer steel pipe and the cam fixedly arranged on the outer steel pipe, through connecting the inner steel pipe with the phase regulating mechanism, the inner steel pipe drives the phase regulating mechanism, the outer steel pipe and the cam to simultaneously rotate, so the opening and the closing of an air valve is realized, in addition, the opening and closing time and the opening and closing angle of the air valve can be effectively controlled through regulating the rotating speed of the inner steel pipe and through limiting the rotating angle of the inner steel pipe via the phase regulating mechanism, the setting of a phase device is not needed, the size of an engine is reduced, and meanwhile, the integral cost of the engine is reduced.
Description
Technical Field
The invention relates to the technical field of automobile engines, in particular to a variable valve timing system.
Background
The variable valve timing system is widely applied to modern automobile engines. The variable valve timing system adjusts the opening and closing time and the opening and closing angle of the valve according to the running condition of the engine, thereby ensuring that the air quantity in the engine reaches the best and improving the combustion efficiency.
Most of the existing variable valve timing systems comprise a cam, a cam shaft and a phaser, wherein the cam is fixed on the cam shaft, the cam shaft is connected with the phaser, when the variable valve timing system works, the cam shaft drives the cam to rotate together, before the phaser performs phase adjustment, the cam does not rotate, the opening and closing angle of a valve is unchanged, when the phaser performs phase adjustment, the cam shaft rotates by a certain angle, the opening and closing angle of the valve is changed, and therefore the variable valve timing is realized.
In the process of implementing the invention, the inventor finds that the prior art has at least the following problems:
in the prior art, the phaser has a large volume, so that the whole engine needs to occupy a large space, the arrangement difficulty of the engine mounted on an automobile is increased, and meanwhile, the phaser has high manufacturing cost, so that the whole cost of the engine is high.
Disclosure of Invention
In order to solve the problems of large occupied space and high cost of an engine in the prior art, the embodiment of the invention provides a variable valve timing system. The technical scheme is as follows:
the variable valve timing system comprises a cam, an outer steel pipe, an inner steel pipe and a phase adjusting mechanism, wherein the cam is fixedly arranged on the outer steel pipe, the inner steel pipe and the phase adjusting mechanism are sequentially arranged in the outer steel pipe, the inner steel pipe is rotatably connected with the outer steel pipe, the phase adjusting mechanism is slidably connected with the outer steel pipe along the axial direction of the outer steel pipe, the phase adjusting mechanism is circumferentially static with the outer steel pipe, when the variable valve timing system works, the phase adjusting mechanism slides towards the inner steel pipe and is connected with the inner steel pipe, the inner steel pipe drives the phase adjusting mechanism, the outer steel pipe and the cam to rotate together, and the cam rotates to enable a valve on an engine to open and close.
Further, phase place adjustment mechanism includes the regulating spindle, resets connecting piece and casing, the casing sets up inside outer steel pipe, just the casing with outer steel pipe fixed connection, the one end setting of regulating spindle is in the casing with between the interior steel pipe, the other end of regulating spindle stretches into inside the casing, and follow the axial of casing with the inner wall sliding connection of casing, just the casing with the regulating spindle circumference is static, the connecting piece that resets sets up between regulating spindle and the casing, just the connecting piece that resets respectively with the regulating spindle casing fixed connection, the during operation, adjust the axial interior steel pipe slide and with interior steel union coupling.
Furthermore, the reset connecting piece is a spring or an elastic rubber tube.
Furthermore, the phase adjusting mechanism further comprises a retainer, the retainer is arranged inside the shell, and the retainer is sleeved outside the reset connecting piece.
Furthermore, the shell and the outer steel pipe are provided with through holes, the through holes in the shell are located at one end, away from the inner steel pipe, of the shell, and the through holes in the outer steel pipe are communicated with the through holes in the shell.
Furthermore, the variable valve timing system further comprises a clamping structure, the clamping structure is arranged between the inner steel pipe and the adjusting shaft, and the clamping structure is used for connecting the inner steel pipe with the adjusting shaft.
Preferably, the clamping structure comprises a phase groove and a positioning block, the phase groove is formed in the inner steel pipe, the positioning block is arranged on the adjusting shaft, and when the clamping structure works, the positioning block extends into the phase groove to connect the adjusting shaft with the inner steel pipe.
Preferably, the phase slots include a basic phase slot, an advanced phase slot and a retarded phase slot, the basic phase slot, the advanced phase slot and the retarded phase slot are all arranged on the inner steel pipe, and the basic phase slot is located between the advanced phase slot and the retarded phase slot.
Furthermore, the variable valve timing system further comprises a timing chain wheel, one end, far away from the phase adjusting mechanism, of the inner steel pipe extends out of the inner portion of the outer steel pipe and is connected with the timing chain wheel, the axis of the inner steel pipe is overlapped with the axis of the timing chain wheel, and the timing chain wheel is used for driving the inner steel pipe to rotate.
Still further, the variable valve timing system further comprises a thrust ring fixedly arranged on the outer steel pipe, the thrust ring is located between the cam and the timing sprocket, and the thrust ring is used for preventing the cam from sliding towards the timing sprocket.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
according to the invention, by arranging the outer steel pipe, the inner steel pipe capable of rotating inside the outer steel pipe, the phase adjusting mechanism capable of sliding inside the outer steel pipe along the axial direction of the outer steel pipe and the cam fixed on the outer steel pipe, the inner steel pipe can be connected with the phase adjusting mechanism, so that the inner steel pipe drives the phase adjusting mechanism, the outer steel pipe and the cam to rotate together, thus opening and closing of the valve are realized, the opening and closing time and the opening and closing angle of the valve can be effectively controlled by adjusting the rotating speed of the inner steel pipe and limiting the rotating angle of the inner steel pipe through the phase adjusting mechanism, a phaser is not required to be arranged, the overall volume of the engine is greatly reduced, the overall occupied space of the engine is smaller, the arrangement difficulty of the engine when the engine is installed on the automobile.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a variable valve timing system provided in an embodiment of the invention;
FIG. 2 is a schematic structural view illustrating a phase adjustment mechanism according to another embodiment of the present invention connected to an inner steel pipe;
FIG. 3 is a schematic structural view of a phase adjustment mechanism according to another embodiment of the present invention disconnected from an inner steel pipe;
fig. 4 is a schematic structural diagram of a positioning block and a phase slot according to another embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a variable valve timing system provided in accordance with yet another embodiment of the present invention;
wherein,
1, a cam is arranged on the front end of the cam,
2, an outer steel pipe is arranged in the steel pipe,
21 a through hole on the outer steel pipe,
3, an inner steel pipe is arranged in the steel pipe,
4, a phase adjusting mechanism is arranged in the phase adjusting mechanism,
41 the adjustment axis is adjusted in such a way that,
42 the reset connection is made to the reset connection,
43 the number of the holders is such that,
44 of the housing, and a second housing,
45 of the positioning blocks are arranged on the upper surface of the frame,
46 through-holes in the housing, are provided,
5 a timing chain wheel is arranged on the front end of the chain wheel,
6 a return spring is arranged at the back of the shell,
7, a thrust ring is arranged on the bearing,
a is a basic phase slot, and the phase slot,
b, advancing the phase slot by the phase,
c delay phase slot.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention provides a variable valve timing system, which includes a cam 1, an outer steel tube 2, an inner steel tube 3, and a phase adjustment mechanism 4, wherein the cam 1 is fixedly disposed on the outer steel tube 2, the inner steel tube 3 and the phase adjustment mechanism 4 are sequentially disposed inside the outer steel tube 2, the inner steel tube 3 is rotatably connected to the outer steel tube 2, so that the inner steel tube 3 can rotate inside the outer steel tube 2, the phase adjustment mechanism 4 is slidably connected to the outer steel tube 2 along an axial direction of the outer steel tube 2, and the outer steel tube 2 and the phase adjustment mechanism 4 are circumferentially stationary, so that the phase adjustment mechanism 4 and the outer steel tube 2 can only slide relatively but cannot rotate relatively, for example, a slide rail or a slide groove may be disposed on the outer steel tube 2, and a pulley corresponding to the slide rail or a slider corresponding to the slide groove is disposed on the phase adjustment mechanism 4, so that the phase adjustment mechanism 4 slides along, when the inner steel pipe 3 is not connected with the phase adjusting mechanism 4, the inner steel pipe 3 freely rotates in the outer steel pipe 2, and when the phase adjusting mechanism 4 works, the adjusting shaft 41 in the phase adjusting mechanism 4 moves towards the inner steel pipe 3 through external force and is connected with the inner steel pipe 3, so that the phase adjusting mechanism 4, the outer steel pipe 2 and the cam 1 are driven to rotate together while the inner steel pipe 3 rotates, and the cam 1 jacks a valve on an engine in the rotating process. Wherein the rotating angle of the inner steel tube 3 can be limited by controlling the rotating speed of the inner steel tube 3 and the phase adjusting mechanism 4, and the opening and closing time and the opening and closing angle of the air valve can be effectively adjusted.
It should be noted that: when the phase adjustment mechanism 4 is moved toward the inner steel pipe 3, any of pneumatic, hydraulic, and the like may be used as power for moving the phase adjustment mechanism 4.
The invention arranges the outer steel pipe 2, the inner steel pipe 3 which can rotate in the outer steel pipe 2, the phase adjusting mechanism 4 which can slide in the outer steel pipe 2 along the axial direction of the outer steel pipe 2, and the cam 1 fixed on the outer steel pipe 2, the inner steel pipe 3 can drive the phase adjusting mechanism 4, the outer steel pipe 2 and the cam 1 to rotate together by connecting the inner steel pipe 3 with the phase adjusting mechanism 4, thereby realizing the opening and closing of the air valve, effectively controlling the opening and closing time and the opening and closing angle of the air valve by adjusting the rotating speed of the inner steel pipe 3 and limiting the rotating angle of the inner steel pipe 3 through the phase adjusting mechanism 4, needing no phase device, greatly reducing the whole volume of the engine, the whole occupied space of the engine is smaller, the arrangement difficulty of the engine when the engine is installed on the automobile is reduced, and meanwhile the whole cost of the engine is reduced.
Further, as shown in fig. 2 and fig. 3, an embodiment of the present invention provides a variable valve timing system, wherein the phase adjustment mechanism 4 includes an adjustment shaft 41, a reset connection member 42 and a housing 44, the housing 44 is disposed inside the outer steel tube 2, the housing 44 is fixedly connected to the outer steel tube 2, one end of the adjustment shaft 41 is disposed between the housing 44 and the inner steel tube 3, the other end of the adjustment shaft 41 extends into the housing 44 and is slidably connected to an inner wall of the housing 44 along an axial direction of the housing 44, the housing 44 is circumferentially stationary with the adjustment shaft 41, the reset connection member 42 is disposed between the adjustment shaft 41 and the housing 44, the reset connection member 42 is respectively fixedly connected to the adjustment shaft 41 and the housing 44, and during operation, the adjustment shaft 41 slides towards the inner steel tube 3 to be connected to the inner steel tube 3. Wherein, the phase adjusting mechanism 4 adopts air pressure or hydraulic pressure as power, when the cam 1 needs to be rotated, high pressure oil is introduced into the shell 44 or the air pressure in the shell 44 is increased, so that the adjusting shaft 41 compresses the reset connecting piece 42 to move integrally towards the direction of the inner steel pipe 3, so that the adjusting shaft 41 is connected with the inner steel pipe 3, because the adjusting shaft 41 is connected with the outer steel pipe 2, at this time, the inner steel pipe 3 is connected with the outer steel pipe 2, then the inner steel pipe 3 rotates and simultaneously drives the adjusting shaft 41, the outer steel pipe 2 and the cam 1 on the outer steel pipe 2 to rotate, when the cam 1 needs to stop rotating, high pressure oil in the shell 44 is discharged or the air pressure in the shell 44 is reduced, so that the adjusting shaft 41 is not stressed any more, meanwhile, the restoring force adjusting shaft 41 is driven by the reset connecting piece 42 to slide towards the direction far away from the inner steel pipe 3, so that the connection between the inner, i.e. the connection between the inner steel tube 3 and the outer steel tube 2 is broken.
It should be noted that: only relative sliding exists between the shell 44 and the outer steel tube 2, relative rotation does not exist, the angular speed of the adjusting shaft 41 and the angular speed of the shell 44 are the same all the time when the adjusting shaft 41 and the shell 44 rotate, when the adjusting shaft 41 and the shell 44 are arranged, a track can be arranged on the shell 44, a sliding block is arranged on the adjusting shaft 41, and the sliding block is arranged in the track during assembly so that the sliding block slides along the track, so that the adjusting shaft 41 slides inside the shell 44, and meanwhile, the relative rotation of the adjusting shaft 41 and the shell 44 is limited. The phase adjustment mechanism 4 may not include the housing 44, and the adjustment shaft 41 may be directly connected to the outer steel pipe 2.
Further, the embodiment of the present invention provides a variable valve timing system in which the return link 42 is a cylindrical elastic structure having elastic deformation capability such as a spring or an elastic rubber tube.
Further, as shown in fig. 3, an embodiment of the present invention provides a variable valve timing system, wherein the phase adjusting mechanism 4 further includes a retainer 43, the retainer 43 is disposed inside a housing 44, and the retainer 43 is fitted outside the reset link 42, and the retainer 43 is used for maintaining the shape of the reset link 42 and preventing the middle portion of the reset link 42 from protruding outward.
Further, as shown in fig. 3, the embodiment of the present invention provides a variable valve timing system, wherein the housing 44 and the outer steel pipe 2 are both provided with through holes, the through hole 46 on the housing is located at one end of the housing 44 away from the inner steel pipe 3, and the through hole 21 on the outer steel pipe is communicated with the through hole 46 on the housing. The through hole 46 of the housing and the through hole 21 of the outer steel pipe are used together for introducing high-pressure oil or high-pressure gas into the housing 44.
It should be noted that, the through hole 46 on the housing is arranged at the end far from the inner steel tube 3, and the through hole 46 on the housing is communicated with the through hole 21 on the outer steel tube, so that high-pressure oil or high-pressure gas enters the housing 44, and pressure is applied to the end of the adjusting shaft 41 far from the inner steel tube 3, so that the adjusting shaft 41 is pressed to move towards the inner steel tube 3 and is connected with the inner steel tube 3.
Further, as shown in fig. 4, an embodiment of the present invention provides a variable valve timing system, wherein the variable valve timing system further includes a clamping structure disposed between the inner steel pipe 3 and the adjusting shaft 41, the clamping structure being used to connect the inner steel pipe 3 with the adjusting shaft 41. After the inner steel tube 3 is connected with the adjusting shaft 41 through the clamping structure, the inner steel tube 3 drives the adjusting shaft 41 to rotate together.
Preferably, as shown in fig. 4, an embodiment of the present invention provides a variable valve timing system, wherein the engaging structure includes a plurality of phase slots and a plurality of positioning blocks 45, the phase slots are disposed on the inner steel pipe 3, the positioning blocks 45 are disposed on the adjusting shaft 41, and when the variable valve timing system is operated, the positioning blocks 45 extend into the phase slots to connect the adjusting shaft 41 and the inner steel pipe 3, and the number of the phase slots may be plural, and the included angle between every two adjacent phase slots may be set according to actual performance requirements of the engine, and an operator may insert the positioning blocks 45 into different phase slots according to actual requirements.
Preferably, as shown in fig. 4, an embodiment of the present invention provides a variable valve timing system in which the phase grooves include a base phase groove a, an advance phase groove B, and a retard phase groove C, the base phase groove a, the advance phase groove B, and the retard phase groove C are provided on the inner steel pipe 3, and the base phase groove a is located between the advance phase groove B and the retard phase groove C. The advance or retard of the phase angle of the cam 1 can be achieved by inserting the positioning block 45 into the advance phase groove B or the retard phase groove C.
Further, as shown in fig. 1, an embodiment of the present invention provides a variable valve timing system, wherein one end of the inner steel pipe 3, which is far away from the phase adjustment mechanism 4, extends from the inside of the outer steel pipe 2 and is connected to one side of the timing sprocket 5, and the axis of the inner steel pipe 3 coincides with the axis of the timing sprocket 5, and the timing sprocket 5 is used for driving the inner steel pipe 3 to rotate. Meanwhile, the timing chain wheel 5 is connected with a crankshaft of the engine through a timing chain, so that the timing chain wheel 5 is driven to rotate through the timing chain when the crankshaft rotates.
Further, as shown in fig. 5, an embodiment of the present invention provides a variable valve timing system, wherein the variable valve timing system further includes a return spring 6, the return spring 6 is disposed at the other side of the timing sprocket 5, one end of the return spring 6 is connected to the timing sprocket 5, and the other end of the return spring 6 is connected to an engine frame or other fixed structure, so that during rotation, the return spring 6 is in a compressed state, the restoring force of the return spring 6 causes the inner steel pipe 3 to rotate reversely, when the phase slot engaged with the positioning block 45 is the base phase slot a position, the inner steel pipe can rotate reversely to the advance phase slot B position, and when the phase slot engaged with the positioning block 45 is the retard phase slot C, the inner steel pipe can rotate reversely to the base phase slot a.
Further, as shown in fig. 1, the embodiment of the present invention provides a variable valve timing system, wherein the variable valve timing system further includes a thrust collar 7, the thrust collar 7 is fixedly disposed on the outer steel pipe 2, and the thrust collar 7 is located between the cam 1 and the timing sprocket 5, and the thrust collar 7 is used for preventing the cam 1 from sliding towards the timing sprocket 5, thereby ensuring that the cam 1 can contact with the valve during rotation, so as to push the valve open.
The invention can make the inner steel pipe 3 drive the phase adjusting mechanism 4, the outer steel pipe 2 and the cam 1 to rotate together by connecting the inner steel pipe 3 with the phase adjusting mechanism 4 through arranging the outer steel pipe 2, the inner steel pipe 3 which can rotate in the outer steel pipe 2, the phase adjusting mechanism 4 which can slide in the outer steel pipe 2 along the axial direction of the outer steel pipe 2 and the cam 1 fixed on the outer steel pipe 2, thereby realizing the opening and closing of the air valve, and the opening and closing time and the opening and closing angle of the air valve can be effectively controlled by limiting the rotating angle and the staying time of the inner steel pipe 3 through the phase adjusting mechanism 4, fully utilizing the advantages of the internal structure of the existing engine, utilizing the internal space of the shaft of the existing cam 1, canceling the traditional phaser, leading the overall structure of the engine to be more compact, the weight to be smaller, the cost to be lower, and simultaneously realizing the delay and advance, the requirements of different working conditions on the valve phase are met, and the purpose of variable phase is achieved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The variable valve timing system is characterized by comprising a cam, an outer steel pipe, an inner steel pipe and a phase adjusting mechanism, wherein the cam is fixedly arranged on the outer steel pipe, the inner steel pipe and the phase adjusting mechanism are sequentially arranged in the outer steel pipe, the inner steel pipe is rotatably connected with the outer steel pipe, the phase adjusting mechanism is connected with the outer steel pipe in a sliding mode along the axial direction of the outer steel pipe, the phase adjusting mechanism and the outer steel pipe are circumferentially static, when the variable valve timing system works, the phase adjusting mechanism slides towards the inner steel pipe and is connected with the inner steel pipe, the inner steel pipe drives the phase adjusting mechanism, the outer steel pipe and the cam to rotate together, and the cam rotates to enable a valve on an engine to open and close.
2. The variable valve timing system according to claim 1, wherein the phase adjustment mechanism includes an adjustment shaft, a reset connection member, and a housing, the housing is disposed inside the outer steel tube, and the housing is fixedly connected to the outer steel tube, one end of the adjustment shaft is disposed between the housing and the inner steel tube, the other end of the adjustment shaft extends into the housing and is slidably connected to an inner wall of the housing along an axial direction of the housing, and the housing and the adjustment shaft are circumferentially stationary, the reset connection member is disposed between the adjustment shaft and the housing, and the reset connection member is respectively fixedly connected to the adjustment shaft and the housing, and when in operation, the adjustment shaft slides to the inner steel tube and is connected to the inner steel tube.
3. The variable valve timing system of claim 2, wherein the return link is a spring or an elastic rubber tube.
4. The variable valve timing system according to claim 2, characterized in that said phase adjusting mechanism further comprises a cage that is disposed inside said housing and that is fitted around outside said reset link.
5. The variable valve timing system according to claim 2, wherein through holes are provided in both the housing and the outer steel pipe, the through hole in the housing being located at an end of the housing remote from the inner steel pipe, the through hole in the outer steel pipe being in communication with the through hole in the housing.
6. The variable valve timing system according to claim 2, characterized by further comprising a snap-fit structure provided between the inner steel pipe and the adjustment shaft, the snap-fit structure being used to connect the inner steel pipe with the adjustment shaft.
7. The variable valve timing system according to claim 6, wherein the engagement structure includes a phase groove provided on the inner steel pipe and a positioning block provided on the adjustment shaft, and when in operation, the positioning block extends into the phase groove to connect the adjustment shaft with the inner steel pipe.
8. The variable valve timing system according to claim 7, characterized in that the phase groove includes a base phase groove, an advance phase groove, and a retard phase groove, the base phase groove, the advance phase groove, and the retard phase groove are all provided on the inner steel pipe, and the base phase groove is located between the advance phase groove and the retard phase groove.
9. The variable valve timing system according to claim 1, further comprising a timing sprocket, wherein an end of the inner steel pipe remote from the phase adjustment mechanism protrudes from inside the outer steel pipe and is connected to the timing sprocket, an axis of the inner steel pipe coincides with an axis of the timing sprocket, and the timing sprocket is configured to rotate the inner steel pipe.
10. The variable valve timing system of claim 9 further comprising a thrust ring fixedly disposed on said outer steel tube and located between said cam and said timing sprocket, said thrust ring for preventing said cam from sliding toward said timing sprocket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410146352.8A CN103982263B (en) | 2014-04-11 | 2014-04-11 | A kind of VVT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410146352.8A CN103982263B (en) | 2014-04-11 | 2014-04-11 | A kind of VVT |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103982263A true CN103982263A (en) | 2014-08-13 |
| CN103982263B CN103982263B (en) | 2016-09-14 |
Family
ID=51274404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410146352.8A Active CN103982263B (en) | 2014-04-11 | 2014-04-11 | A kind of VVT |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103982263B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798819A (en) * | 2018-06-22 | 2018-11-13 | 绵阳富临精工机械股份有限公司 | A kind of electronic phase adjusting device |
| CN108952873A (en) * | 2018-08-31 | 2018-12-07 | 绵阳富临精工机械股份有限公司 | A kind of rear-mounted VVT phaser |
| CN108979775A (en) * | 2018-08-31 | 2018-12-11 | 绵阳富临精工机械股份有限公司 | A kind of forward type VVT phaser |
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| EP2357325A1 (en) * | 2010-02-12 | 2011-08-17 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Internal combustion engine with variable valve device |
| DE102011109256A1 (en) * | 2011-08-02 | 2013-02-07 | Audi Ag | Valve gear of an internal combustion engine, internal combustion engine and method for producing a corresponding valve train |
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| CN1357079A (en) * | 1998-01-19 | 2002-07-03 | 达勒脱控股有限公司 | Cam and cam followers for engines |
| US20070245990A1 (en) * | 2004-11-09 | 2007-10-25 | Tilo Hentschel | Bearing Between Two Coaxial Camshafts for Automotive Engines in Particular |
| CN1789674A (en) * | 2004-12-15 | 2006-06-21 | 奇瑞汽车有限公司 | Engine camshaft |
| CN101490369A (en) * | 2006-05-31 | 2009-07-22 | 麦加戴恩公共有限公司 | Engine with variable valve actuating mechanism |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108798819A (en) * | 2018-06-22 | 2018-11-13 | 绵阳富临精工机械股份有限公司 | A kind of electronic phase adjusting device |
| CN108798819B (en) * | 2018-06-22 | 2023-11-21 | 绵阳富临精工机械股份有限公司 | Electric phase adjusting device |
| CN108952873A (en) * | 2018-08-31 | 2018-12-07 | 绵阳富临精工机械股份有限公司 | A kind of rear-mounted VVT phaser |
| CN108979775A (en) * | 2018-08-31 | 2018-12-11 | 绵阳富临精工机械股份有限公司 | A kind of forward type VVT phaser |
| CN108979775B (en) * | 2018-08-31 | 2023-10-31 | 绵阳富临精工机械股份有限公司 | Front-mounted VVT (variable valve timing) phaser |
| CN108952873B (en) * | 2018-08-31 | 2023-11-03 | 绵阳富临精工机械股份有限公司 | Rear-mounted VVT phaser |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103982263B (en) | 2016-09-14 |
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