CN108979775B - Front-mounted VVT (variable valve timing) phaser - Google Patents
Front-mounted VVT (variable valve timing) phaser Download PDFInfo
- Publication number
- CN108979775B CN108979775B CN201811008517.XA CN201811008517A CN108979775B CN 108979775 B CN108979775 B CN 108979775B CN 201811008517 A CN201811008517 A CN 201811008517A CN 108979775 B CN108979775 B CN 108979775B
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- Prior art keywords
- elastic element
- phaser
- shell
- planet carrier
- output wheel
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- RDYMFSUJUZBWLH-UHFFFAOYSA-N endosulfan Chemical compound C12COS(=O)OCC2C2(Cl)C(Cl)=C(Cl)C1(Cl)C2(Cl)Cl RDYMFSUJUZBWLH-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 238000009434 installation Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- F01L1/344—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 changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
-
- 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
- F01L1/344—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 changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
- F01L1/348—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 changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear by means acting on timing belts or chains
-
- 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
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Retarders (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The invention provides a preposed VVT (variable valve timing) phaser, which comprises a shell (5), a planet carrier (8) and a reset elastic element (10), wherein the planet carrier (8) is arranged in the shell (5), the planet carrier (8) rotates eccentrically around the axis of the shell (5), the reset elastic element (10) is arranged at the front end of the shell (5), one end of the reset elastic element (10) is fixedly connected with the shell (5), and the other end of the reset elastic element is fixedly connected with the planet carrier (8). When the phase of the phaser is not at the initial phase and no driving force is input to the phaser, the phase of the phaser can be pulled to the initial phase by the elastic tension generated by the elastic element in a resetting manner so as to ensure the normal operation of the engine; meanwhile, the invention can eliminate the internal clearance of the phaser, which is beneficial to reducing the noise of the phaser and prolonging the service life of the phaser.
Description
Technical Field
The invention relates to the field of phaser structural design, in particular to a preposed VVT phaser.
Background
The VVT phaser is usually matched with a planetary reducer by using a motor, and after the rotation motion of an output shaft of the motor is decelerated by the reducer, the phaser is driven to perform corresponding motion, and the phase angle of a camshaft of the engine relative to a crankshaft is dynamically adjusted so as to adjust the opening and closing time of a valve of the engine, thereby improving the fuel efficiency of the engine.
However, when the motor fails or fails due to abnormal power failure, it cannot provide driving force to the VVT phaser, the phase of the engine camshaft with respect to the crankshaft will not return to the original position, possibly resulting in the engine not being started or top-up, thereby affecting the normal operation of the engine. Therefore, in the case where no driving force is input to the VVT phaser, for example, in the case where the motor is abnormally powered off or fails, how to ensure that the VVT phaser can return to the initial phase position becomes a concern.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to solve the problems in the prior art, a front-mounted VVT phaser is provided, so that the VVT phaser can return to an initial phase position without driving force input.
The technical problems to be solved by the invention are realized by adopting the following technical scheme: the front-mounted VVT phaser comprises a shell, a planet carrier and a reset elastic element, wherein the planet carrier is arranged in the shell and moves eccentrically and rotationally around the axis of the shell, the reset elastic element is arranged at the front end of the shell, one end of the reset elastic element is fixedly connected with the shell, and the other end of the reset elastic element is fixedly connected with the planet carrier; when the phase of the phaser is not at the initial phase and no driving force is input to the phaser, the return elastic element pulls the phase of the phaser to the initial phase through the elastic pulling force generated by the return elastic element.
Preferably, the device further comprises an elastic element seat, wherein an installation inner cavity and a hanging opening are respectively formed on the elastic element seat, the reset elastic element is in a spiral structure, and a first hook and a second hook are respectively formed on the reset elastic element; the elastic element seat is fixedly connected with the shell, the reset elastic element is arranged in the installation cavity, the first hook is mutually hung with the hanging opening, and the second hook is mutually hung with the planet carrier.
Preferably, the planet carrier comprises a central shaft, a bearing and an eccentric sleeve, wherein an eccentric structure is formed between the inner circular surface and the outer circular surface of the eccentric sleeve, the eccentric sleeve performs eccentric rotation motion relative to the central shaft, a hanging port is arranged on the eccentric sleeve, and the bearing is arranged between the central shaft and the eccentric sleeve; the reset elastic element is radially supported by the eccentric sleeve, and the second hook is mutually hung with a hanging interface on the planet carrier.
Preferably, the eccentric sleeve is driven by the motor to make eccentric rotation motion relative to the central shaft.
Preferably, the shell comprises a chain wheel, a driving gear ring and a front cover plate, and the chain wheel, the driving gear ring and the front cover plate are locked and combined together through a connecting piece.
Preferably, the device further comprises a driven gear, wherein a driven tooth part and a driven bearing are respectively formed on the driven gear, and a driving tooth part is formed inside the driving gear ring; the driven gear is arranged in the shell, and the driven tooth part and the driving tooth part are meshed with each other.
Preferably, the output wheel comprises a cavity formed in the shell, an annular supporting surface for supporting the output wheel is formed in the cavity, the annular supporting surface is axially adjacent to the driving tooth part, an axial superposition is formed between the central line of the annular supporting surface and the central line of the shell, and the output wheel rotates around the axis of the shell.
Preferably, the planet carrier radially supports the driven gear, the floating disc is arranged between the driven gear and the output wheel, and the floating disc radially slides relative to the driven gear and the output wheel respectively; the driven gear performs planetary motion around the planet carrier, and the rotation of the driven gear is transmitted to the output wheel through the floating disc.
Preferably, the end face of the output connection end of the output wheel is provided with at least one output wheel limiting boss, and the supporting surface on the output wheel is of an annular structure and is positioned on the same side of the output wheel limiting boss.
Compared with the prior art, the invention has the beneficial effects that: the front end of the shell is provided with the reset elastic element, one end of the reset elastic element is fixedly connected with the shell, and the other end of the reset elastic element is fixedly connected with the planet carrier, so that when the phaser has no driving force input, the phase of the phaser is pulled to the initial phase by utilizing the elastic tension generated by the reset elastic element, and the normal operation of the engine is ensured; in addition, by utilizing the reset elastic element structure, the internal gap of the phaser can be eliminated, thereby being beneficial to reducing the noise of the phaser and prolonging the service life of the phaser.
Drawings
Fig. 1 is a schematic diagram of a system configuration of a front-end VVT phaser according to the present invention.
Fig. 2 is a perspective assembly view (exploded view) of the housing of fig. 1.
Fig. 3 is a front view of the housing of fig. 1.
Fig. 4 is a schematic perspective view of the driven gear in fig. 1.
Fig. 5 is a schematic perspective view of the output wheel in fig. 1.
Fig. 6 is a perspective assembly view (exploded view) of the carrier of fig. 1.
Fig. 7 is a schematic perspective view of the reset elastic element in fig. 1.
Fig. 8 is a schematic structural view of the elastic element seat in fig. 1.
Fig. 9 is a schematic diagram of an assembled structure of the return elastic member (exploded view).
Fig. 10 is a schematic diagram illustrating an adjustment operation of a front-end VVT phaser according to the present invention.
Item label name in figure: 1-motor, 2-phaser, 3-engine camshaft, 4-motor shaft, 5-housing, 6-driven gear, 7-output wheel, 8-planet carrier, 9-floating disc, 10-reset elastic element, 11-connecting bolt, 12-elastic element seat, 501-sprocket, 502-drive gear ring, 503-front cover plate, 504-cavity, 505-drive tooth, 506-sprocket limit boss, 507-connector, 601-driven tooth, 602-driven bearing, 701-output wheel limit boss, 702-supporting surface, 801-center shaft, 802-bearing, 803-eccentric sleeve, 804-hanging interface, 1001-first hook, 1002-second hook, 1201-installation cavity, 1202-hanging opening.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The prepositive VVT phaser shown in FIG. 1 mainly comprises a shell 5, a driven gear 6, an output wheel 7, a planet carrier 8, a floating disc 9, a reset elastic element 10 and an elastic element seat 12, wherein the reset elastic element 10 is arranged at the front end of the shell 5, one end of the reset elastic element 10 is fixedly connected with the shell 5, and the other end of the reset elastic element 10 is fixedly connected with the planet carrier 8; when the phase of the phaser is not at the initial phase and no driving force is input to the phaser, the return elastic element 10 can pull the phase of the phaser to the initial phase by its own elastic pull. Wherein,,
the specific structure of the shell 5 is shown in fig. 2 and 3, and mainly comprises a sprocket 501, a driving gear ring 502 and a front cover plate 503, wherein the sprocket 501, the driving gear ring 502 and the front cover plate 503 are locked and combined together through a connecting piece 507, so that a cavity 504 is formed inside the shell 5; at least one sprocket limiting boss 506 is arranged on the sprocket 501, and a driving tooth 505 is formed inside the driving gear ring 502; the cavity 504 forms an annular supporting surface for supporting the output wheel 7, the annular supporting surface is axially adjacent to the driving tooth 505, and an axial superposition is formed between the central line of the annular supporting surface and the central line of the housing 5.
As shown in fig. 4, the driven gear 6 is configured such that a driven tooth 601 and a driven bearing 602 are formed on the driven gear 6, respectively, the driven gear 6 is disposed inside the housing 5, and the driven tooth 601 is engaged with the driving tooth 505.
As shown in fig. 5, at least one output wheel limiting boss 701 is disposed on an end surface of the output connection end of the output wheel 7, a supporting surface 702 with an annular structure is disposed on the end surface of the output connection end of the output wheel 7, and the supporting surface 702 is located on the same side of the output wheel limiting boss 701.
The structure of the planet carrier 8 is shown in fig. 6, and mainly comprises a central shaft 801, a bearing 802 and an eccentric sleeve 803, wherein the axial lines of the inner circular surface and the outer circular surface of the eccentric sleeve 803 are parallel to each other but do not coincide with each other, that is, an eccentric structure is formed between the inner circular surface and the outer circular surface of the eccentric sleeve 803; a hanging port 804 is arranged on the eccentric sleeve 803, the bearing 802 is arranged between the central shaft 801 and the eccentric sleeve 803, and the eccentric sleeve 803 can eccentrically rotate relative to the central shaft 801.
As shown in fig. 7, the return elastic element 10 may be wound by an elastic steel band to form a spiral structure, so that the return elastic element 10 may generate elastic tension force F in a circumferential direction, and a first hook 1001 and a second hook 1002 are formed on a head end and a tail end of the return elastic element 10, respectively.
The structure of the elastic element seat 12 is shown in fig. 8, and a mounting cavity 1201 and a hanging opening 1202 are formed on the elastic element seat 12, respectively. The elastic reset element 10 is installed in the installation cavity 1201, the first hook 1001 is mutually hung with the hanging opening 1202, and the second hook 1002 is mutually hung with the hanging interface 804 on the planet carrier 8, as shown in fig. 9.
As shown in fig. 1, the elastic element seat 12 is fixedly connected with the housing 5, the driven gear 6 is disposed inside the housing 5, and the driven tooth 601 thereof is engaged with the driving tooth 505 on the housing 5; the output wheel 7 is arranged inside the shell 5, and the output wheel 7 can rotate around the axis of the shell 5; the planet carrier 8 is arranged in the shell 5, the planet carrier 8 radially supports the driven gear 6, and the planet carrier 8 can eccentrically rotate around the axis of the shell 5; the floating disc 9 is arranged between the driven gear 6 and the output wheel 7, the floating disc 9 can slide radially relative to the driven gear 6 and the output wheel 7 respectively, and the driven gear 6, the floating disc 9 and the output wheel 7 rotate synchronously; the return elastic member 10 is radially supported by the eccentric sleeve 803.
The phaser described above is typically operated by a motor. Specifically, as shown in fig. 1, the motor 1 is rigidly connected with the eccentric sleeve 803 through the motor shaft 4, so that the motor 1 can drive the eccentric sleeve 803 to make eccentric rotation motion relative to the central shaft 801; the central shaft 801, the output wheel 7 and the engine camshaft 3 are rigidly connected through a connecting bolt 11; the sprocket limiting boss 506 on the housing 5 is disposed between the output wheel limiting bosses 701.
When the motor 1 drives the phaser 2 to work, the motor shaft 4 drives the eccentric sleeve 803 on the planet carrier 8 to do rotary motion, so that the planet carrier 8 makes eccentric rotary motion around the axis of the shell 5; the driven gear 6 performs planetary motion around the planet carrier 8, the rotation of the driven gear is transmitted to the output wheel 7 through the floating disc 9, and the output wheel 7 drives the engine camshaft 3 to synchronously rotate. The housing 5 and the engine crankshaft can be driven by the chain wheel 501 and the chain to synchronously rotate the housing 5 and the engine crankshaft, and the phase of the engine camshaft 3 relative to the engine crankshaft can be controlled by the driving rotation of the motor shaft 4 and the deceleration of the phaser 2. The adjustable angle of the phaser 2 is determined by the angle α of the sprocket stop boss 506 and the angle β between two adjacent output wheel stop bosses 701, as shown in fig. 10.
The maximum position adjusted clockwise with the output wheel 7 as seen from the rear end of the housing 5 is the initial phase position of the phaser 2. When the phase of the phaser 2 is not at the initial phase position and the motor 1 cannot provide driving force due to abnormal power failure or failure, the phase of the phaser 2 can be pulled to the initial phase position by resetting the elastic tension F in the circumferential direction generated by the elastic element 10 to ensure the normal operation of the engine. Since the internal clearance of the phaser 2 can be eliminated by the return elastic member 10, it is advantageous to reduce the noise of the phaser 2 and to increase the operating life of the phaser 2.
The foregoing description of the preferred embodiment of the invention is not intended to be limiting, but rather to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. The utility model provides a leading VVT phaser, includes casing (5) and planet carrier (8), planet carrier (8) set up in casing (5) inside, and planet carrier (8) do eccentric rotary motion around casing (5) axis, its characterized in that: the planetary gear transmission mechanism also comprises a reset elastic element (10), wherein the reset elastic element (10) is arranged at the front end of the shell (5), one end of the reset elastic element (10) is fixedly connected with the shell (5), and the other end of the reset elastic element is fixedly connected with the planet carrier (8); when the phase of the phaser is not at the initial phase and no driving force is input to the phaser, the reset elastic element (10) pulls the phase of the phaser to the initial phase through the elastic pulling force generated by the reset elastic element; the reset elastic element (10) is wound by an elastic steel belt to form a spiral structure; the elastic element seat (12) is provided with an installation cavity (1201) and a hanging opening (1202) respectively, the reset elastic element (10) is in a spiral structure, and a first hook (1001) and a second hook (1002) are respectively formed on the reset elastic element (10); the elastic element seat (12) is fixedly connected with the shell (5), the reset elastic element (10) is arranged in the installation cavity (1201), the first hook (1001) is mutually hung with the hanging opening (1202), and the second hook (1002) is mutually hung with the planet carrier (8); the planet carrier (8) comprises a central shaft (801), a bearing (802) and an eccentric sleeve (803), wherein an eccentric structure is formed between the inner circular surface and the outer circular surface of the eccentric sleeve (803), the eccentric sleeve (803) performs eccentric rotation motion relative to the central shaft (801), a hanging interface (804) is arranged on the eccentric sleeve (803), and the bearing (802) is arranged between the central shaft (801) and the eccentric sleeve (803); the reset elastic element (10) is radially supported by the eccentric sleeve (803), and the second hook (1002) is mutually hooked with a hanging interface (804) on the planet carrier (8).
2. The prepositive VVT phaser of claim 1, wherein: the eccentric sleeve is characterized by further comprising a motor (1), wherein the motor (1) drives the eccentric sleeve (803) to eccentrically rotate relative to the central shaft (801).
3. A front-end VVT phaser as in any of claims 1-2, wherein: the shell (5) comprises a chain wheel (501), a driving gear ring (502) and a front cover plate (503), wherein the chain wheel (501), the driving gear ring (502) and the front cover plate (503) are locked and combined together through a connecting piece (507).
4. A front-end VVT phaser as claimed in claim 3, wherein: the gear driving device further comprises a driven gear (6), wherein a driven tooth part (601) and a driven bearing (602) are respectively formed on the driven gear (6), and a driving tooth part (505) is formed inside the driving gear ring (502); the driven gear (6) is arranged in the shell (5), and the driven tooth part (601) is meshed with the driving tooth part (505).
5. The prepositive VVT phaser of claim 4, wherein: the device also comprises an output wheel (7), a cavity (504) is formed inside the shell (5), an annular supporting surface for supporting the output wheel (7) is formed inside the cavity (504), the annular supporting surface is axially adjacent to the driving tooth part (505), and the central line of the annular supporting surface and the central line of the shell (5) are axially overlapped, and the output wheel (7) rotates around the axis of the shell (5).
6. The prepositive VVT phaser of claim 5, wherein: the planet carrier (8) radially supports the driven gear (6), the floating disc (9) is arranged between the driven gear (6) and the output wheel (7), and the floating disc (9) radially slides relative to the driven gear (6) and the output wheel (7) respectively; the driven gear (6) performs planetary motion around the planet carrier (8), and the driven gear (6) rotates and is transmitted to the output wheel (7) through the floating disc (9).
7. The prepositive VVT phaser of claim 5 or 6, wherein: at least one output wheel limiting boss (701) is arranged on the end face of the output connecting end of the output wheel (7), a supporting surface (702) on the output wheel (7) is of an annular structure, and the supporting surface (702) is located on the same side of the output wheel limiting boss (701).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008517.XA CN108979775B (en) | 2018-08-31 | 2018-08-31 | Front-mounted VVT (variable valve timing) phaser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811008517.XA CN108979775B (en) | 2018-08-31 | 2018-08-31 | Front-mounted VVT (variable valve timing) phaser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108979775A CN108979775A (en) | 2018-12-11 |
| CN108979775B true CN108979775B (en) | 2023-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811008517.XA Active CN108979775B (en) | 2018-08-31 | 2018-08-31 | Front-mounted VVT (variable valve timing) phaser |
Country Status (1)
| Country | Link |
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| CN (1) | CN108979775B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112943402A (en) * | 2021-03-31 | 2021-06-11 | 杰锋汽车动力系统股份有限公司 | Variable valve timing electric phase modulation transmission device |
| CN114750852A (en) * | 2022-03-11 | 2022-07-15 | 杭州宇树科技有限公司 | Integrated joint power unit and foot type robot applying same |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0482529A1 (en) * | 1990-10-25 | 1992-04-29 | Sumitomo Heavy Industries, Ltd | Inscribed planetary gear device |
| JP2007309430A (en) * | 2006-05-18 | 2007-11-29 | Denso Corp | Reduction gear and valve timing adjusting device |
| CN103380271A (en) * | 2011-02-18 | 2013-10-30 | 爱信精机株式会社 | Valve opening/closing timing control device |
| CN103967553A (en) * | 2013-02-06 | 2014-08-06 | 日立汽车系统株式会社 | Valve Timing Control Apparatus For Internal Combustion Engine |
| CN103982263A (en) * | 2014-04-11 | 2014-08-13 | 奇瑞汽车股份有限公司 | Variable air valve timing system |
| CN105275524A (en) * | 2014-07-22 | 2016-01-27 | 株式会社电装 | Valve timing control apparatus |
| WO2017110172A1 (en) * | 2015-12-21 | 2017-06-29 | アイシン精機株式会社 | Valve opening/closing timing control device |
| CN208734392U (en) * | 2018-08-31 | 2019-04-12 | 绵阳富临精工机械股份有限公司 | A kind of forward type VVT phaser |
-
2018
- 2018-08-31 CN CN201811008517.XA patent/CN108979775B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0482529A1 (en) * | 1990-10-25 | 1992-04-29 | Sumitomo Heavy Industries, Ltd | Inscribed planetary gear device |
| JP2007309430A (en) * | 2006-05-18 | 2007-11-29 | Denso Corp | Reduction gear and valve timing adjusting device |
| CN103380271A (en) * | 2011-02-18 | 2013-10-30 | 爱信精机株式会社 | Valve opening/closing timing control device |
| CN103967553A (en) * | 2013-02-06 | 2014-08-06 | 日立汽车系统株式会社 | Valve Timing Control Apparatus For Internal Combustion Engine |
| CN103982263A (en) * | 2014-04-11 | 2014-08-13 | 奇瑞汽车股份有限公司 | Variable air valve timing system |
| CN105275524A (en) * | 2014-07-22 | 2016-01-27 | 株式会社电装 | Valve timing control apparatus |
| WO2017110172A1 (en) * | 2015-12-21 | 2017-06-29 | アイシン精機株式会社 | Valve opening/closing timing control device |
| CN208734392U (en) * | 2018-08-31 | 2019-04-12 | 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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| Publication number | Publication date |
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| CN108979775A (en) | 2018-12-11 |
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Address after: 621000 No.37 Fenghuang Middle Road, high end equipment manufacturing industrial park, Fucheng District, Mianyang City, Sichuan Province Patentee after: Fulin Precision Co.,Ltd. Country or region after: China Address before: 621000 No.37 Fenghuang Middle Road, high end equipment manufacturing industrial park, Fucheng District, Mianyang City, Sichuan Province Patentee before: Mianyang Fulin Jinggong Co.,Ltd. Country or region before: China Address after: 621000 No.37 Fenghuang Middle Road, high end equipment manufacturing industrial park, Fucheng District, Mianyang City, Sichuan Province Patentee after: Mianyang Fulin Jinggong Co.,Ltd. Country or region after: China Address before: 621000 No.37 Fenghuang Middle Road, high end equipment manufacturing industrial park, Fucheng District, Mianyang City, Sichuan Province Patentee before: MIANYANG FULIN PRECISION MACHINING Co.,Ltd. Country or region before: China |
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