Control for vent door

Details Control for vent door Control for vent door

1983-07-29

1984-11-06

Joyce, Harold

Heat exchange

With valve or movable deflector for heat exchange fluid flow

With by-pass of heat exchanger or heat exchanger section

98 38D, 165 24, 165 54, 165 96, F24F 102

Patent

active

044805330

ABSTRACT:
A vent door control apparatus for use in an air conditioner that permits both manual and automatic positioning of the vent door. A series of push button function switches are arranged to move in contact with a series of cams to automatically unlatch the door when certain functions are selected. At least some of the cams are programable to permit the user to select which functions will be carried out without adding outside air to the conditioned air. The vent door can be further manually operated to open the door anytime an unprogramed function is selected.

REFERENCES:
patent: 1777848 (1930-10-01), Harnett
patent: 2822820 (1958-02-01), Samuelsson
patent: 2828110 (1958-03-01), Baker et al.
patent: 3299796 (1967-01-01), Toper et al.

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