GB861369A - Valve control arrangement for internal combustion engines - Google Patents
Valve control arrangement for internal combustion enginesInfo
- Publication number
- GB861369A GB861369A GB10176/59A GB1017659A GB861369A GB 861369 A GB861369 A GB 861369A GB 10176/59 A GB10176/59 A GB 10176/59A GB 1017659 A GB1017659 A GB 1017659A GB 861369 A GB861369 A GB 861369A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- lever
- cam
- piston
- eccentrics
- 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
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
- F01L1/30—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of positively opened and closed valves, i.e. desmodromic valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
861,369. Fluid-pressure servomotor-control systems. PORSCHE, F. March 24, 1959 [March 29, 1958], No. 10176/59. Class 135. [Also in Group XXVII] A valve 19, Fig. 1, is opened and closed by an intermediate lever 12 which is moved by oscillations of a cam-type rocker lever 6. The annular member 3 around cam 2 moves the push rod 4 to oscillate the cam 6 about the eccentrically adjustable bolt 9 which supports the lever 6 between guide means 10, 10<SP>1</SP>, Fig. 2, which pivot about the eccentrics 11, 11<SP>1</SP>, the lever 12 also being supported by an eccentric bolt 13. Valve adjustments are made by rotating the eccentrics 9, 11, 11<SP>1</SP>, 13. The guides 10, 10<SP>1</SP> are moved by a screw and nut which may be actuated remotely by rack and pinion, or by an hydraulic piston 22, controlled by a valve 24 which is actuated by a centrifugal governor 36 responsive to engine speed. Pressure oil supplied from a pump 29 is passed through the ducts 28, 26, 30, 34 to the lower side of the piston 22 when the centrifugal governor moves the supply groove 25 into connection with the duct 34 by rotation of the valve 24 through levers 35, 36. Adjustment of the valve timing and stroke in accordance with the engine speed is then made by the clockwise rotation of the guide means 10, 10<SP>1</SP> through the fork 20, the pressure oil on the top side of piston 22 being passed back through the valve 24 to the reservoir 32.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE861369X | 1958-03-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB861369A true GB861369A (en) | 1961-02-22 |
Family
ID=6794774
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB10176/59A Expired GB861369A (en) | 1958-03-29 | 1959-03-24 | Valve control arrangement for internal combustion engines |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB861369A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57193902U (en) * | 1981-06-05 | 1982-12-08 | ||
EP1526256A1 (en) * | 2003-10-20 | 2005-04-27 | HONDA MOTOR CO., Ltd. | Variable desmodromic valve operating system |
IT202100013709A1 (en) * | 2021-05-26 | 2022-11-26 | Marik S R L | TIMING SYSTEM FOR ENGINE |
-
1959
- 1959-03-24 GB GB10176/59A patent/GB861369A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57193902U (en) * | 1981-06-05 | 1982-12-08 | ||
JPS6229615Y2 (en) * | 1981-06-05 | 1987-07-30 | ||
EP1526256A1 (en) * | 2003-10-20 | 2005-04-27 | HONDA MOTOR CO., Ltd. | Variable desmodromic valve operating system |
IT202100013709A1 (en) * | 2021-05-26 | 2022-11-26 | Marik S R L | TIMING SYSTEM FOR ENGINE |
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