G - Physics – 05 – D
Patent
G - Physics
05
D
306/110, 341/27
G05D 23/00 (2006.01) H01H 37/12 (2006.01)
Patent
CA 1148235
Abstract of the Disclosure A thermostat adapted for controlling heating and cooling apparatuses has a temperature control point adjustment knob connected to a temperature re- sponsive switch for adjusting the control point thereof. A changeover switch is connected to the temperature responsive switch for selectively connecting either heating or cooling apparatus to the temperature responsive switch. A temperature control point limit stop is connected to the temperature control point adjustment knob so that upon selecting by means of the changeover switch either a heating or a cooling operation, the temperature control point limit stop limits the movement of the temperature control point adjustment knob to a first range of movement when heating is selected and a second range of movement when cooling is selected.
357448
Fitzgerald Richard E.
Grabowski Dennis R.
Honeywell Inc.
Smart & Biggar
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