Air conditioner with motor controlled door

Details Air conditioner with motor controlled door Air conditioner with motor controlled door

1986-10-02

1988-08-02

Davis, Jr., Albert W.

Heat exchange

Movable heating or cooling surface

Rotary drum

165 42, 165 43, 98 201, 25112904, 62161, F25B 2900, B60H 300, F16K 3102

Patent

active

047608773

ABSTRACT:
A device for moving a door provided in an air conditioner upstream of an area in which cold air and hot air are mixed to produce a stream of air having an appropriate temperature includes an electric motor which is rotatable in either direction for rotating the door in either direction. An electric switch is connected to the motor for controlling its operation. The switch is reciprocatively slidable by a lever. A cam follower is connected to the motor reciprocatively slidably in parallel to the switch for changing an electrical circuit connection between the switch and the motor. The cam follower is connected to the motor by a wire and the door is also connected to the motor by a wire. The switch has a rotatable arm which is engageable with the cam follower. The arm has a neutral position in which it is engaged with the cam follower so that no electric current may be supplied to the motor. The arm is rotatable in two opposite directions from its neutral position. If it is rotated in either direction, the motor is rotated for moving the cam follower toward the switch until the arm is brought back to its neutral position.

REFERENCES:
patent: 1959786 (1934-05-01), Hodgkinson
patent: 2386569 (1945-10-01), Parsons
patent: 2544948 (1951-03-01), Caldwell
patent: 4481451 (1984-11-01), Kautz et al.

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