Butterfly actuator

Details Butterfly actuator Butterfly actuator

F - Mech Eng,Light,Heat,Weapons

16

K

F16K 1/22 (2006.01) B67C 3/22 (2006.01) F16K 1/32 (2006.01)

Patent

CA 2070828

ABSTRACT OF THE DISCLOSURE A butterfly actuator is provided and has a pair of spaced apart cams (84) which move a valve stem (86) wherein the cams are integral with a shaft having one portion having a generally cylindrical outer surface (88) which is rotatably mounted in a bearing sleeve (100) fixedly mounted in a housing mounted at a fixed location and wherein the bearing sleeve has a length which is between about 2.0 and 3.5 times the diameter of the generally cylindrical outer surface. A butterfly actuator (120) is mounted on an end portion of the shaft so that movement of the butterfly actuator rotates the shaft and is formed from a metallic material to provide for an extended life period of useful operation.

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