WO1988002059A1 - Variable lift cam follower - Google Patents
Variable lift cam follower Download PDFInfo
- Publication number
- WO1988002059A1 WO1988002059A1 PCT/AU1987/000307 AU8700307W WO8802059A1 WO 1988002059 A1 WO1988002059 A1 WO 1988002059A1 AU 8700307 W AU8700307 W AU 8700307W WO 8802059 A1 WO8802059 A1 WO 8802059A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lever
- valve
- cam follower
- cam
- lift
- Prior art date
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
- 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
- F01L13/0063—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 by modification of cam contact point by displacing an intermediate lever or wedge-shaped intermediate element, e.g. Tourtelot
-
- 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
- F01L1/12—Transmitting gear between valve drive and valve
-
- 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
-
- 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
- F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
Definitions
- valve 3 is operated by a rocker arm 12 which is actuated by a hydraulic piston 13,. a spring 14 maintaining the piston 13 against a bearing member 15 on the rocker 12.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8787906051T DE3777836D1 (de) | 1986-09-09 | 1987-09-09 | Nockenfolger mit variablem hub. |
AT87906051T ATE74183T1 (de) | 1986-09-09 | 1987-09-09 | Nockenfolger mit variablem hub. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPH7904 | 1986-09-09 | ||
AUPH790486 | 1986-09-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1988002059A1 true WO1988002059A1 (en) | 1988-03-24 |
Family
ID=3771805
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AU1987/000307 WO1988002059A1 (en) | 1986-09-09 | 1987-09-09 | Variable lift cam follower |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0345252B1 (de) |
WO (1) | WO1988002059A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9222376B2 (en) | 2013-05-03 | 2015-12-29 | General Electric Company | Cam follower system for engine |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2266077A (en) * | 1938-10-03 | 1941-12-16 | Henry A Roan | Internal combustion engine |
US2565022A (en) * | 1943-06-01 | 1951-08-21 | Wilhelmus A Hattink | Adjusting means for cam operated engine valves |
US2934052A (en) * | 1958-11-17 | 1960-04-26 | Irvin R Longenecker | Valve operating mechanism |
US4261307A (en) * | 1979-09-06 | 1981-04-14 | Sidney Oldberg | Variable valve timing control for internal combustion engines |
US4278233A (en) * | 1978-09-16 | 1981-07-14 | Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft | Arrangement for actuating gas-change valves |
DE3041864A1 (de) * | 1980-11-06 | 1982-05-13 | Audi Nsu Auto Union Ag, 7107 Neckarsulm | Vorrichtung zum verschieben der steuerzeit eines gaswechselventils einer brennkraftmaschine |
AU8005582A (en) * | 1981-01-20 | 1982-08-16 | Wride, Marlene Alfreda | Variable lift cam follower |
GB2097084A (en) * | 1981-04-16 | 1982-10-27 | Maschf Augsburg Nuernberg Ag | Hydraulic device for actuating gas change |
US4382428A (en) * | 1981-06-08 | 1983-05-10 | Tourtelot Jr Edward M | Contoured finger follower variable valve timing mechanism |
US4469056A (en) * | 1983-02-22 | 1984-09-04 | Tourtelot Jr Edward M | Dual follower variable valve timing mechanism |
US4502426A (en) * | 1982-05-17 | 1985-03-05 | Skelley James H | Variable valve lift and timing mechanism |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE311780C (de) * | ||||
DE2951361A1 (de) * | 1979-12-20 | 1981-07-02 | Bayerische Motoren Werke AG, 8000 München | Ventiltrieb mit hubverstellung fuer brennkraftmaschinen |
-
1987
- 1987-09-09 EP EP87906051A patent/EP0345252B1/de not_active Expired - Lifetime
- 1987-09-09 WO PCT/AU1987/000307 patent/WO1988002059A1/en active IP Right Grant
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2266077A (en) * | 1938-10-03 | 1941-12-16 | Henry A Roan | Internal combustion engine |
US2565022A (en) * | 1943-06-01 | 1951-08-21 | Wilhelmus A Hattink | Adjusting means for cam operated engine valves |
US2934052A (en) * | 1958-11-17 | 1960-04-26 | Irvin R Longenecker | Valve operating mechanism |
US4278233A (en) * | 1978-09-16 | 1981-07-14 | Maschinenfabrik Augsburg-Nurnberg Aktiengesellschaft | Arrangement for actuating gas-change valves |
US4261307A (en) * | 1979-09-06 | 1981-04-14 | Sidney Oldberg | Variable valve timing control for internal combustion engines |
DE3041864A1 (de) * | 1980-11-06 | 1982-05-13 | Audi Nsu Auto Union Ag, 7107 Neckarsulm | Vorrichtung zum verschieben der steuerzeit eines gaswechselventils einer brennkraftmaschine |
AU8005582A (en) * | 1981-01-20 | 1982-08-16 | Wride, Marlene Alfreda | Variable lift cam follower |
GB2097084A (en) * | 1981-04-16 | 1982-10-27 | Maschf Augsburg Nuernberg Ag | Hydraulic device for actuating gas change |
US4382428A (en) * | 1981-06-08 | 1983-05-10 | Tourtelot Jr Edward M | Contoured finger follower variable valve timing mechanism |
US4502426A (en) * | 1982-05-17 | 1985-03-05 | Skelley James H | Variable valve lift and timing mechanism |
US4469056A (en) * | 1983-02-22 | 1984-09-04 | Tourtelot Jr Edward M | Dual follower variable valve timing mechanism |
Non-Patent Citations (1)
Title |
---|
See also references of EP0345252A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9222376B2 (en) | 2013-05-03 | 2015-12-29 | General Electric Company | Cam follower system for engine |
Also Published As
Publication number | Publication date |
---|---|
EP0345252B1 (de) | 1992-03-25 |
EP0345252A1 (de) | 1989-12-13 |
EP0345252A4 (de) | 1989-12-19 |
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