GB2196694B - Variable valve operation device in internal combustion engine - Google Patents
Variable valve operation device in internal combustion engineInfo
- Publication number
- GB2196694B GB2196694B GB8724864A GB8724864A GB2196694B GB 2196694 B GB2196694 B GB 2196694B GB 8724864 A GB8724864 A GB 8724864A GB 8724864 A GB8724864 A GB 8724864A GB 2196694 B GB2196694 B GB 2196694B
- Authority
- GB
- United Kingdom
- Prior art keywords
- combustion engine
- internal combustion
- operation device
- variable valve
- valve operation
- 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.)
- Expired - Fee Related
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
- F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
-
- 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
- F01L1/26—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder
- F01L1/267—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gear; peculiar to machines or engines with more than two lift-valves per cylinder with means for varying the timing or the lift of the valves
-
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/42—Shape or arrangement of intake or exhaust channels in cylinder heads
- F02F1/4214—Shape or arrangement of intake or exhaust channels in cylinder heads specially adapted for four or more valves per cylinder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F2001/244—Arrangement of valve stems in cylinder heads
- F02F2001/247—Arrangement of valve stems in cylinder heads the valve stems being orientated in parallel with the cylinder axis
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP25262386A JPS63106307A (en) | 1986-10-23 | 1986-10-23 | Valve action timing selector for internal combustion engine |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8724864D0 GB8724864D0 (en) | 1987-11-25 |
GB2196694A GB2196694A (en) | 1988-05-05 |
GB2196694B true GB2196694B (en) | 1990-09-26 |
Family
ID=17239935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8724864A Expired - Fee Related GB2196694B (en) | 1986-10-23 | 1987-10-23 | Variable valve operation device in internal combustion engine |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS63106307A (en) |
DE (1) | DE3735998A1 (en) |
GB (1) | GB2196694B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5351662A (en) * | 1990-02-16 | 1994-10-04 | Group Lotus Plc | Valve control means |
US5386806A (en) * | 1990-02-16 | 1995-02-07 | Group Lotus Limited | Cam mechanisms |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3833540A1 (en) * | 1988-10-01 | 1990-04-12 | Peter Prof Dr Ing Kuhn | DEVICE FOR ACTUATING THE VALVES OF INTERNAL COMBUSTION ENGINES WITH VARIABLE VALVE LIFTING CURVE |
CA2075960C (en) * | 1990-02-16 | 1995-09-05 | Clive Dopson | Valve control means |
JP2536669B2 (en) * | 1990-07-10 | 1996-09-18 | 三菱自動車工業株式会社 | Automotive valve mechanism |
DE4308535A1 (en) * | 1992-03-30 | 1993-10-07 | Volkswagen Ag | Internal combustion engine with a deactivatable charge exchange valve |
DE4227567C1 (en) * | 1992-08-20 | 1993-11-11 | Daimler Benz Ag | Valve drive system for a multi-cylinder internal combustion engine |
DE4404683C1 (en) * | 1994-02-15 | 1995-03-02 | Daimler Benz Ag | Method for minimising the clearance in a valve gear |
DE102004043182A1 (en) * | 2004-09-07 | 2006-03-30 | Ina-Schaeffler Kg | Switching cam follower especially for IC engine has inner and outer levers on a coaxial mounting and with a hydraulic control and a cam follower roller |
CN113550806B (en) * | 2021-08-10 | 2022-08-02 | 洛阳北方易初摩托车有限公司 | Variable valve actuating mechanism for motorcycle engine with double overhead camshafts |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4151817A (en) * | 1976-12-15 | 1979-05-01 | Eaton Corporation | Engine valve control mechanism |
US4203397A (en) * | 1978-06-14 | 1980-05-20 | Eaton Corporation | Engine valve control mechanism |
GB2141172A (en) * | 1983-06-06 | 1984-12-12 | Honda Motor Co Ltd | Controlling opening of multiple i.c. engine intake and exhaust valves |
EP0186341A1 (en) * | 1984-12-24 | 1986-07-02 | General Motors Corporation | Engine valve train system |
GB2185784A (en) * | 1986-01-23 | 1987-07-29 | Fuji Heavy Ind Ltd | Valve operating system for an automotive engine |
EP0242228A1 (en) * | 1986-04-16 | 1987-10-21 | Honda Giken Kogyo Kabushiki Kaisha | Valve operating mechanism for an internal combustion engine |
EP0259106A1 (en) * | 1986-08-27 | 1988-03-09 | Honda Giken Kogyo Kabushiki Kaisha | Valve operating apparatus in an internal combustion engine |
EP0267687A1 (en) * | 1986-10-16 | 1988-05-18 | Mazda Motor Corporation | Valve driving system for internal combustion engine |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE8417591U1 (en) * | 1984-06-08 | 1985-11-14 | Bayerische Motoren Werke AG, 8000 München | Valve control for internal combustion engines |
JPH0239604B2 (en) * | 1984-09-04 | 1990-09-06 | Honda Motor Co Ltd | NAINENKIKANNODOBENSOCHI |
JPS61118513A (en) * | 1984-11-13 | 1986-06-05 | Suzuki Motor Co Ltd | Valve lift changing device in four cycle engine |
JP3144910B2 (en) * | 1992-10-01 | 2001-03-12 | 松下電子工業株式会社 | Discharge lamp |
-
1986
- 1986-10-23 JP JP25262386A patent/JPS63106307A/en active Granted
-
1987
- 1987-10-23 GB GB8724864A patent/GB2196694B/en not_active Expired - Fee Related
- 1987-10-23 DE DE19873735998 patent/DE3735998A1/en active Granted
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4151817A (en) * | 1976-12-15 | 1979-05-01 | Eaton Corporation | Engine valve control mechanism |
US4203397A (en) * | 1978-06-14 | 1980-05-20 | Eaton Corporation | Engine valve control mechanism |
GB2141172A (en) * | 1983-06-06 | 1984-12-12 | Honda Motor Co Ltd | Controlling opening of multiple i.c. engine intake and exhaust valves |
EP0186341A1 (en) * | 1984-12-24 | 1986-07-02 | General Motors Corporation | Engine valve train system |
GB2185784A (en) * | 1986-01-23 | 1987-07-29 | Fuji Heavy Ind Ltd | Valve operating system for an automotive engine |
EP0242228A1 (en) * | 1986-04-16 | 1987-10-21 | Honda Giken Kogyo Kabushiki Kaisha | Valve operating mechanism for an internal combustion engine |
EP0259106A1 (en) * | 1986-08-27 | 1988-03-09 | Honda Giken Kogyo Kabushiki Kaisha | Valve operating apparatus in an internal combustion engine |
EP0267687A1 (en) * | 1986-10-16 | 1988-05-18 | Mazda Motor Corporation | Valve driving system for internal combustion engine |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5351662A (en) * | 1990-02-16 | 1994-10-04 | Group Lotus Plc | Valve control means |
US5386806A (en) * | 1990-02-16 | 1995-02-07 | Group Lotus Limited | Cam mechanisms |
US5419290A (en) * | 1990-02-16 | 1995-05-30 | Group Lotus Limited | Cam mechanisms |
Also Published As
Publication number | Publication date |
---|---|
JPS63106307A (en) | 1988-05-11 |
JPH0551762B2 (en) | 1993-08-03 |
GB2196694A (en) | 1988-05-05 |
DE3735998A1 (en) | 1988-05-05 |
GB8724864D0 (en) | 1987-11-25 |
DE3735998C2 (en) | 1993-02-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19971023 |