Line voltage setback thermostat

Details Line voltage setback thermostat Line voltage setback thermostat

1987-04-01

1988-10-04

Wayner, William E.

Automatic temperature and humidity regulation

With timing element

Timer other than clock

236 68B, 337377, F23N 520

Patent

active

047751002

ABSTRACT:
A line voltage setback thermostat retrofitable over existing single width electrical wall outlet boxes. A metal deck plate is attached to the box and extends laterally beyond along the wall. The line load switch is mounted to the deck plate back and extends into the box and is covered with a metal cover. A resistor under the metal cover provides heat for setback mode operation of a bi-metal element which operates the load switch. A timer for energizing the resistor and surface wiring are surface mounted on the extended portion of the deck. A plastic cover is attached to the deck plate from the back and covers the timer and surface wiring and also retains the metal switch cover. An outer bezel with adjustment knobs extending therethrough provides indicia for setting the thermostat and timer.

REFERENCES:
patent: 2461904 (1949-02-01), Vaughan
patent: 3581985 (1971-06-01), Thorsteinsson
patent: 3834618 (1974-09-01), Buckwalter
patent: 4587403 (1980-05-01), Shapess

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