Method for improved service of engine mounted accessories

Details Method for improved service of engine mounted accessories Method for improved service of engine mounted accessories

1999-08-30

2000-12-19

Rosenbaum, I Cuda

Metal working

Method of mechanical manufacture

Prime mover or fluid pump making

2940208, 2940203, B23D 600

Patent

active

061612847

ABSTRACT:
Coolant pump service in a crowded engine compartment is provided by forming the side wall of the pump drive pulley with a centralized and radially lobed opening which can accommodate the radial arms of the drive hub that are normally connected by screws to the pulley side wall. The drive hub is fixed to the outboard end of the coolant pump drive shaft that extends through the housing of the pump that is removably secured by screws to the block of an internal combustion engine. The pump impeller is mounted on the inboard end of the drive shaft for fluid pumping operation in a coolant-receiving cavity in the coolant circuit of the engine. In the event of interference, which prevents or hampers the removal of the pulley axially from the drive shaft, the hub screws are removed and the pulley is turned into alignment with the lobes of the opening so that the pump housing screws are accessible. These screws are then removed so that the pump can be manually removed from the clearance between the engine and the frame side rail or other interfering component.

REFERENCES:
patent: 3741025 (1973-06-01), Russell
patent: 4694660 (1987-09-01), Gannaway
patent: 5409350 (1995-04-01), Mitchell
patent: 5537956 (1996-07-01), Pennfield et al.

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