A hydraulic valve lifter for a reciprocating internal combustion engine has a displaceable plunger within a body for coupling a cam lobe with a push rod in a valve train. The cam lobe acts on the base of the body. A cavity within the plunger receives oil from the engine's oil supply and delivers oil...http://www.google.fr/patents/US3967602?utm_source=gb-gplus-shareBrevet US3967602 - Hydraulic valve lifter for reciprocating internal combustion engines
Hydraulic valve lifter for reciprocating internal combustion engines
