Windshield washer control system

Details Windshield washer control system Windshield washer control system

1994-12-01

1996-09-03

Nguyen, Hoang

Power plants

Pressure fluid source and motor

Including by-pass or restrictor controlling flow circuit

91459, 296 9615, 15250001, 417395, F16D 3102, B60J 102

Patent

active

055512321

ABSTRACT:
A windshield washer control system for a vehicle having an air pressure source includes an electrically actuated control valve for controlling communication between the air pressure source and a bladder pump which squirts windshield washer fluid up to the windshield of the vehicle. A fluid restricting orifice is opened and closed by a solenoid actuator such that the pressure communicated to the bladder pump is limited to be below that of the air pressure reservoir. A second orifice controls communication from the pump to ambient atmosphere.

REFERENCES:
patent: 2612141 (1952-09-01), Freedman et al.
patent: 2634166 (1953-04-01), Sacchini
patent: 3574882 (1971-04-01), Petry
patent: 3659308 (1972-05-01), Gute
patent: 4916373 (1990-04-01), Attar et al.
patent: 5018797 (1991-05-01), Takata
patent: 5046449 (1991-09-01), Nelson

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