FR2237058A1 - - Google Patents
Info
- Publication number
- FR2237058A1 FR2237058A1 FR7424110A FR7424110A FR2237058A1 FR 2237058 A1 FR2237058 A1 FR 2237058A1 FR 7424110 A FR7424110 A FR 7424110A FR 7424110 A FR7424110 A FR 7424110A FR 2237058 A1 FR2237058 A1 FR 2237058A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
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- 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
- F01L1/02—Valve drive
- F01L1/04—Valve drive by means of cams, camshafts, cam discs, eccentrics or the like
- F01L1/042—Cam discs
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- 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
- F01L31/00—Valve drive, valve adjustment during operation, or other valve control, not provided for in groups F01L15/00 - F01L29/00
- F01L31/08—Valve drive or valve adjustment, apart from tripping aspects; Positively-driven gear
- F01L31/14—Valve adjustment by links or guide rods, e.g. in valve-gears with eccentric drive
-
- 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
- F01L2013/0068—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 with an oscillating cam acting on the valve of the "BMW-Valvetronic" type
-
- 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
- F01L2305/00—Valve arrangements comprising rollers
-
- 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
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/006—Camshaft or pushrod housings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Transmission Devices (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732335695 DE2335695A1 (en) | 1973-07-13 | 1973-07-13 | I.C. engine valve regulation method - in which crankshaft rotary motion transfers a reciprocating motion to the valve stem |
DE2363891A DE2363891A1 (en) | 1973-07-13 | 1973-12-21 | Valve control system for ic engine - valve rod is controlled by action of lever on adjustable curved surface |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2237058A1 true FR2237058A1 (en) | 1975-02-07 |
FR2237058B1 FR2237058B1 (en) | 1977-03-18 |
Family
ID=25765483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7424110A Expired FR2237058B1 (en) | 1973-07-13 | 1974-07-11 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3911879A (en) |
DE (1) | DE2363891A1 (en) |
FR (1) | FR2237058B1 (en) |
GB (1) | GB1437673A (en) |
IT (1) | IT1016177B (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2417637A1 (en) * | 1978-02-17 | 1979-09-14 | Tourtelot Edward | MECHANISM FOR ADJUSTING THE VALVES OF AN INTERNAL COMBUSTION ENGINE |
US4261307A (en) * | 1979-09-06 | 1981-04-14 | Sidney Oldberg | Variable valve timing control for internal combustion engines |
FR2472078A1 (en) * | 1979-12-21 | 1981-06-26 | Baguena Michel | Four stroke engine valve drive - has roller controlling valve timing reciprocated between concave surface and shaped cam face |
FR2484016A1 (en) * | 1980-06-09 | 1981-12-11 | Renault | Valve for IC-engine - has timing adjusted by profiled lever acted on by two linked cams |
EP1619362A3 (en) * | 2004-07-20 | 2010-01-27 | Bayerische Motoren Werke Aktiengesellschaft | Valve train for an internal combustion engine |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4182290A (en) * | 1978-06-22 | 1980-01-08 | Pohle William A | Variable ratio rocker arm |
DE3022188A1 (en) * | 1980-06-13 | 1981-12-24 | Teodoro 4300 Essen Holtmann | VALVE CONTROL DEVICE OF AN INTERNAL COMBUSTION ENGINE |
DE3115422A1 (en) * | 1981-04-16 | 1982-11-11 | M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg | HYDRAULIC DEVICE FOR ACTUATING GAS EXCHANGE VALVES |
JPS5896134A (en) * | 1981-12-03 | 1983-06-08 | Honda Motor Co Ltd | Valve drive control device of internal-combustion engine |
JPS5896135A (en) * | 1981-12-03 | 1983-06-08 | Honda Motor Co Ltd | Valve drive control device of internal-combustion engine |
US4457268A (en) * | 1982-01-25 | 1984-07-03 | Jones Darrell L | Valve position control device |
US4502426A (en) * | 1982-05-17 | 1985-03-05 | Skelley James H | Variable valve lift and timing mechanism |
DE3406100A1 (en) * | 1984-02-18 | 1985-08-22 | Willi 7171 Michelfeld Roth | Speed-dependent adjustment of the valve timing in combustion engines |
WO1987007323A1 (en) * | 1986-05-21 | 1987-12-03 | Bennett Automotive Technology Pty. Ltd. | Engines for use with gaseous fuels |
AU593665B2 (en) * | 1986-05-21 | 1990-02-15 | Bennett Automotive Technology Pty. Ltd. | Engines for use with gaseous fuels |
GB8723256D0 (en) * | 1987-10-03 | 1987-11-04 | Jaguar Cars | Valve mechanisms |
IT1220275B (en) * | 1988-01-19 | 1990-06-15 | Franco Storchi | COMPLEX OF ELEMENTS FOR VARIABLE TIMING OF THE VALVES OF AN ENGINE, IN PARTICULAR OF AN INTERNAL COMBUSTION ENGINE |
US4848180A (en) * | 1988-09-06 | 1989-07-18 | Henley Manufacturing Corporation | Low-friction, boat-type rocker arm |
US5165370A (en) * | 1991-04-25 | 1992-11-24 | Gerald Beaumont | Mechanism for controlling valve timing |
US5463987A (en) * | 1994-07-13 | 1995-11-07 | Cukovich; Mark S. | Variable valve timing mechanism |
DE19854382B4 (en) | 1998-11-25 | 2009-01-02 | Alstom | Method and device for atomizing liquid fuel for a firing plant |
US6644255B1 (en) * | 1999-10-15 | 2003-11-11 | Vee Two Ptd Ltd. | Guide plate for a poppet valve |
AT411090B (en) | 2000-12-12 | 2003-09-25 | Jenbacher Ag | FULLY VARIABLE HYDRAULIC VALVE ACTUATOR |
HK1033238A2 (en) * | 2001-01-20 | 2001-08-03 | Foo Wah Lau | A control device for an air valve of an internal combustion engine |
JP4065992B2 (en) | 2001-03-16 | 2008-03-26 | エイ フォリノ フランク | Forced open / close valve operating system |
US6953014B2 (en) * | 2001-03-16 | 2005-10-11 | Folino Frank A | Thermal compensating desmodromic valve actuation system |
US7082912B2 (en) * | 2001-03-16 | 2006-08-01 | Folino Frank A | System and method for controlling engine valve lift and valve opening percentage |
GB0200935D0 (en) * | 2002-01-16 | 2002-03-06 | Lotus Car | Valve operating mechanisms |
DE10215281A1 (en) * | 2002-04-06 | 2003-10-16 | Willi Roth | Device for continuously varying the valve lift in internal combustion engines |
EP1712747A1 (en) * | 2005-04-17 | 2006-10-18 | Uwe Eisenbeis | Valve train with variable valve stroke and timing for high-speed engines |
US8033261B1 (en) | 2008-11-03 | 2011-10-11 | Robbins Warren H | Valve actuation system and related methods |
DE102010018712B4 (en) * | 2010-04-29 | 2022-01-20 | Audi Ag | Valve drive for a gas exchange valve with rolling contact between cam follower and valve stem |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1126843A (en) * | 1913-10-06 | 1915-02-02 | Henry G O'reilly | Valve mechanism. |
US2401480A (en) * | 1942-01-26 | 1946-06-04 | Aero Engines Ltd | Valve actuation |
US2696201A (en) * | 1950-09-19 | 1954-12-07 | Daimler Benz Ag | Valve control mechanism of internalcombustion engines |
US2851023A (en) * | 1956-04-26 | 1958-09-09 | Leroy A Durkan | Variable valve timing |
US2954017A (en) * | 1958-03-29 | 1960-09-27 | Porsche Kg | Valve control arrangement for internal combustion engines |
US2997991A (en) * | 1960-02-08 | 1961-08-29 | Henry A Roan | Variable valve timing mechanism for internal combustion engines |
US3261338A (en) * | 1964-07-13 | 1966-07-19 | Automobile Racing Club Of Okla | Valve timing mechanism |
US3413965A (en) * | 1967-07-13 | 1968-12-03 | Ford Motor Co | Mechanism for varying the operation of a reciprocating member |
GB1299673A (en) * | 1969-02-13 | 1972-12-13 | Fiat Spa | Improvements relating to valve actuating mechanisms for internal combustion engines |
-
1973
- 1973-12-21 DE DE2363891A patent/DE2363891A1/en not_active Withdrawn
-
1974
- 1974-06-25 IT IT51732/74A patent/IT1016177B/en active
- 1974-07-10 US US487135A patent/US3911879A/en not_active Expired - Lifetime
- 1974-07-11 FR FR7424110A patent/FR2237058B1/fr not_active Expired
- 1974-07-11 GB GB3081374A patent/GB1437673A/en not_active Expired
Non-Patent Citations (1)
Title |
---|
NEANT * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2417637A1 (en) * | 1978-02-17 | 1979-09-14 | Tourtelot Edward | MECHANISM FOR ADJUSTING THE VALVES OF AN INTERNAL COMBUSTION ENGINE |
US4261307A (en) * | 1979-09-06 | 1981-04-14 | Sidney Oldberg | Variable valve timing control for internal combustion engines |
FR2472078A1 (en) * | 1979-12-21 | 1981-06-26 | Baguena Michel | Four stroke engine valve drive - has roller controlling valve timing reciprocated between concave surface and shaped cam face |
FR2484016A1 (en) * | 1980-06-09 | 1981-12-11 | Renault | Valve for IC-engine - has timing adjusted by profiled lever acted on by two linked cams |
EP1619362A3 (en) * | 2004-07-20 | 2010-01-27 | Bayerische Motoren Werke Aktiengesellschaft | Valve train for an internal combustion engine |
Also Published As
Publication number | Publication date |
---|---|
IT1016177B (en) | 1977-05-30 |
FR2237058B1 (en) | 1977-03-18 |
US3911879A (en) | 1975-10-14 |
DE2363891A1 (en) | 1975-06-26 |
GB1437673A (en) | 1976-06-03 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |