System and method for reducing vibration in a windshield washer

Details System and method for reducing vibration in a windshield washer System and method for reducing vibration in a windshield washer

1996-12-18

2000-01-18

Freay, Charles G.

Pumps

Motor driven

Electric or magnetic motor

41742312, 416179, F04B 3504

Patent

active

060152761

ABSTRACT:
This invention includes a system and method for maintaining an impeller in a centrally located position in a pump cavity defined by an impeller housing in order to reduce noise and vibration between the impeller and the impeller housing. The system and method include situating an end or tip of the impeller in a bearing which is integrally molded onto the impeller housing at an inlet end thereof. Another embodiment illustrates the use of a locator integrally molded at the inlet end of the impeller housing and which cooperates with a locating aperture in an impeller end of the impeller to cause the impeller end to be maintained in a substantially centrally located position in the pump cavity defined by the impeller housing.

REFERENCES:
patent: 5181838 (1993-01-01), Sato et al.
patent: 5713730 (1998-02-01), Nose et al.

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