Varying geometric compression ratio engine

Details Varying geometric compression ratio engine Varying geometric compression ratio engine

F - Mech Eng,Light,Heat,Weapons

02

B

171/49

F02B 75/04 (2006.01)

Patent

CA 1163565

A VARYING GEOMETRIC COMPRESSION RATIO ENGINE Abstract of the Disclosure An automotive engine having an automatically adjusted geometric compression ratio, wherein the charge is compressed to maximum permissible values under all throttle settings. This is achieved by a cylindrical valve carrier, raised or lowered by a screw jack, while valve stem contact is maintain- ed by a fast acting hydraulic valve actuator. The compact arrangement provides an engine profile which is not signifi- cantly taller than a standard overhead cam engine.

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