Heating and cooling thermostat with limiting action selected by

Details Heating and cooling thermostat with limiting action selected by Heating and cooling thermostat with limiting action selected by

1979-08-30

1981-02-03

Beha, Jr., William H.

Electricity: electrothermally or thermally actuated switches

Thermally actuated switches

With bimetallic element

165 26, 236 1C, H01H 3712

Patent

active

042491550

ABSTRACT:
A thermostat adapted for controlling heating and cooling apparatuses has a temperature control point adjustment means connected to a temperature responsive switch means for adjusting the control point thereof. A changeover switch means is connected to the temperature responsive switch means for selectively connecting either heating or cooling apparatus to the temperature responsive switch means. A temperature control point limit means is connected to the temperature control point adjustment means so that upon selecting by means of the changeover switch means either a heating or a cooling operation, the temperature control point limit means limits the movement of the temperature control point adjustment means to a first range of movement when heating is selected and a second range of movement when cooling is selected.

REFERENCES:
patent: Re28676 (1976-01-01), Edelman
patent: 1638582 (1927-08-01), Houch
patent: 1783309 (1930-12-01), Rutenber
patent: 2575005 (1951-11-01), Cosgrove
patent: 2729719 (1956-01-01), Kronmiller
patent: 2978924 (1961-04-01), Georges
patent: 3807254 (1974-04-01), Brakebill
patent: 3999158 (1976-12-01), Rae
patent: 4078601 (1978-03-01), Kolbow
patent: 4090165 (1978-05-01), Rae
patent: 4177860 (1979-12-01), Johnson et al.

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