Ventilating system for vehicles

Details Ventilating system for vehicles Ventilating system for vehicles

1991-01-28

1992-07-14

Wayner, William E.

Movable or removable closures

With operator for movably mounted closure

Drive within closure housing

236 493, 454 75, E05F 1508

Patent

active

051291924

ABSTRACT:
An electrical circuit for lowering windows or shields a predetermined distance, such as for allowing hot air to escape from a parked vehicle. The circuit includes a primary switch to activate motors for lowering windows, and further includes a sensor for stopping the motor when the window is lowered the predetermined distance. The primary switch may activate the simultaneous lowering of a plurality of windows the predetermined distance. The circuit optionally includes a thermostat for automatic operation when a preset temperature is sensed. In alternative embodiments, the predetermined distance and the preset temperature are adjustable.

REFERENCES:
patent: 2190402 (1938-11-01), Curzon
patent: 2499544 (1948-05-01), Vancil
patent: 2621037 (1950-08-01), Riedel
patent: 2944525 (1961-08-01), Onksen et al.
patent: 3339665 (1967-09-01), Johnstone et al.
patent: 4257319 (1981-03-01), Kucharczyk
patent: 4443978 (1984-04-01), Butler
patent: 4852469 (1989-08-01), Chuang

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