Pneumatic windshield wiper with sensor controlled motor

Details Pneumatic windshield wiper with sensor controlled motor Pneumatic windshield wiper with sensor controlled motor

1993-06-07

1993-12-21

Gerrity, Stephen F.

Brushing, scrubbing, and general cleaning

Attachments

Optical-member-attachable cleaner

1525013, 1525012, 318DIG2, 91275, B60S 110, B60S 126

Patent

active

052711218

ABSTRACT:
A pneumatic windshield wiper includes a compressed air motor provided with a piston which mounts a pair of actuator vanes one of which functions with a fixed electric sensor on the motor housing to establish the "park" position of the wiper blade. The other sensor actuator vane is adjustable along the length of the piston rod and functions with the sensor to establish the extended, adjustable position of the wiper blade. The sensor is included in an electronic circuit which controls operation of an electric solenoid valve and hence delivery of compressed air to the wiper motor.

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