Vehicle window washer with washer fluid temperature responsive p

Details Vehicle window washer with washer fluid temperature responsive p Vehicle window washer with washer fluid temperature responsive p

1989-09-18

1991-05-07

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Liquid sprayer for transparent panel

239 75, 1525001, B05B 110

Patent

active

050129775

ABSTRACT:
A vehicle window washer in which the pump outlet pressure is varied in an inverse manner with temperature of the washer fluid so as to maintain a more consistent fluid deposit on the window as fluid viscosity changes with temperature. In particular, it uses a motor driven pump which provides a higher pump outlet pressure with the motor driven in a first direction than with the motor driven in the opposite direction and switches activation of the motor between the two directions based on sensed temperature of the fluid in the washer fluid reservoir.

REFERENCES:
patent: 3243119 (1966-03-01), Merkle
patent: 3286932 (1966-11-01), Kibler
patent: 3591887 (1971-07-01), Keddle
patent: 4090668 (1978-05-01), Kochenour
patent: 4331295 (1982-05-01), Warihashi
patent: 4508957 (1985-04-01), Rochitelli
patent: 4768716 (1988-09-01), Buchanan, Jr. et al.
patent: 4838488 (1989-06-01), Heier et al.
patent: 4877186 (1989-10-01), Scholl
1988 Firebird Service Manual, pp. 8E-1, 8E-2, 8E-11.

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