Dual balance pump shaft assembly

Details Dual balance pump shaft assembly Dual balance pump shaft assembly

F - Mech Eng,Light,Heat,Weapons

02

B

F02B 67/04 (2006.01) F01M 1/02 (2006.01) F16F 15/26 (2006.01)

Patent

CA 2430025

A dual fluid pump assembly driven by respective shafts of a dual balancing shaft assembly for an engine of an automotive vehicle. A shaft housing rotatably supports primary and secondary balancing shafts of the dual balancing shaft assembly. The shafts are coupled by a gear train for rotating the primary and secondary balance shafts in opposite directions. Each shaft includes a distal end for supporting and driving a fluid pump. A pump housing is fixedly secured to the shaft housing for enclosing the fluid pump and retaining fluid therebetween. The pumps are disposed adjacent the shaft housing and within a seal formed by the shaft housing and pump housing.

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