Valve deactuator for internal combustion engines

Details Valve deactuator for internal combustion engines Valve deactuator for internal combustion engines

F - Mech Eng,Light,Heat,Weapons

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F01L 1/04 (2006.01) F01L 13/00 (2006.01) F02B 75/22 (2006.01) F02D 13/06 (2006.01) F02B 75/18 (2006.01)

Patent

CA 1084370

ABSTRACT OF THE DISCLOSURE An engine valve deactivator assembly comprising an elongated support member having one end adapted to be mounted on an engine and a slotted rocker arm slidably receiving said sup- port member and having an input means engaging portion and a valve engaging portion on opposite sides of said support member. The rocker arm has a fulcrum member which is slidably mounted on the support member and is seated against the rocker arm on the side thereof adjacent the other end of the support member. The fulcrum member is controlled by hydraulic valve deactivating means having (1) an active condition in which the fulcrum mem- ber is held in a fixed position on the support member to cause the rocker arm to pivot about the fulcrum member in response to the transmission of reciprocating movement to the input means engaging portion to cause corresponding reciprocating movement of said valve engaging portion, and (2) an inactive condition in which the fulcrum member reciprocates on the support member and such that when the valve engaging portion is biased against movement the rocker arm pivots about said valve engaging por- tion in response to movement of the input means engaging por- tion such that the pivoting action of said rocker arm transmits no movement to said valve engaging portion. - 2 -

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