F - Mech Eng,Light,Heat,Weapons – 02 – B
Patent
F - Mech Eng,Light,Heat,Weapons
02
B
123/186
F02B 29/06 (2006.01) F01L 13/06 (2006.01) F02B 69/06 (2006.01) F02D 13/04 (2006.01) F02B 75/02 (2006.01)
Patent
CA 1269901
Abstract of the Disclosure Process and apparatus for the compression release retarding of a multi-cylinder four cycle internal combustion engine are provided. The pro- cess provides a compression release event for each cylinder during each revolution of the engine crank- shaft. In accordance with the process, the normal motion of the exhaust and intake valves is inhibited and the exhaust valves are opened briefly at each time the engine piston approaches the top dead cen- ter position. The intake valves are opened after each opening of the exhaust valves. The apparatus includes hydraulic means driven by the engine push- tubes which produce a timed hydraulic pulse adapted to open the exhaust and intake valves at the proper time. Hydraulically actuated means are provided to disable the valve crosshead or rocker arm so as to inhibit the normal motion of the valves. Alterna- tively, timed signals from an electronic controller actuate solenoid valves to control an hydraulic pulse which opens the valves. Solenoid means may also be provided to open the valves mechanically.
481984
Jacobs Manufacturing Company (the)
Ridout & Maybee Llp
LandOfFree
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