Combined coolant pump impeller and seal assembly

Details Combined coolant pump impeller and seal assembly Combined coolant pump impeller and seal assembly

1989-07-03

1990-05-15

Powell, Jr., Everette A.

Rotary kinetic fluid motors or pumps

Bearing, seal, or liner between runner portion and static part

Resilient, flexible, or resiliently biased

416241A, F04D 2912

Patent

active

049253662

ABSTRACT:
The need for a separate seal spring and sealing boot in an automotive water pump seal is eliminated by molding a flexible seal face mount integrally with the impeller.

REFERENCES:
patent: 2671407 (1954-03-01), Higbie
patent: 2671408 (1954-03-01), Kreitchman
patent: 3228342 (1966-01-01), Page
patent: 3407882 (1968-10-01), Wooden et al.
patent: 3594102 (1971-07-01), Oden
patent: 3664760 (1972-05-01), Reiner
patent: 3846045 (1974-11-01), Mincuzzi
patent: 4502697 (1985-03-01), Heinl
patent: 4548547 (1985-10-01), Deuring

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