Windshield wiper system with soft wipe mode for high speed opera

Details Windshield wiper system with soft wipe mode for high speed opera Windshield wiper system with soft wipe mode for high speed opera

1994-09-29

1997-08-05

Masih, Karen

Electricity: motive power systems

Periodic, repetitious or successive operations control of...

318483, 318444, 357112, H02P 104

Patent

active

056546165

ABSTRACT:
A wiper system for a motor vehicle window includes a wiper arm, a permanent magnet motor, a linkage connecting the motor with the wiper arm, and a switching mechanism. The wider arm is adapted to be rotatably mounted on a vehicle body for operable movement between first and second end wipe positions. The motor is of the three brush permanent magnet type, the brushes being a high speed brush, a low speed brush and a common brush. The switching mechanism is responsive to wider blade position and is closed, electrically connecting the high speed brush with the low speed brush, thereby achieving an intermediate speed, in at least one end wipe position.

REFERENCES:
patent: 3602790 (1971-08-01), Kearns
patent: 4158159 (1979-06-01), Orris et al.
patent: 4271381 (1981-06-01), Munz et al.
patent: 4512056 (1985-04-01), Wattier
patent: 4544870 (1985-10-01), Kearns et al.
patent: 4663575 (1987-05-01), Juzswik et al.
patent: 4843286 (1989-06-01), Suriano et al.
patent: 5404085 (1995-04-01), Resch et al.

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