Engine block water pump assembly

Details Engine block water pump assembly Engine block water pump assembly

1989-05-19

1990-05-15

Garrett, Robert E.

Rotary kinetic fluid motors or pumps

Working fluid passage or distributing means associated with...

Casing with mounting means

4152141, 123509, 417356, F01P 512

Patent

active

049253670

ABSTRACT:
The rotating parts of a vehicle engine water pump are assembled directly upon the engine block so that the block forms the pump housing. The pump parts include a drive wheel, such as a pulley or sprocket wheel, mounted upon one end of a drive shaft, with a pump impeller mounted upon the opposite end of the shaft. An open cavity is formed in the block to receive the impeller. A cover, having a central opening through which the shaft extends, covers the impeller and cavity and is sealed against the block, around the cavity, so that the cover and block together form a complete, sealed housing. The shaft is rotatably connected to the block, within the cavity, and the drive wheel is located on the outside of the cover, adjacent the block, for connection to a belt or chain from the power supply.

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patent: 4543037 (1985-09-01), Etsion
patent: 4827881 (1989-05-01), Baker et al.

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