H - Electricity – 05 – B
Patent
H - Electricity
05
B
309/14
H05B 3/60 (2006.01) A47C 27/08 (2006.01) H01H 37/36 (2006.01) H01H 37/22 (2006.01)
Patent
CA 2004792
ABSTRACT OF THE DISCLOSURE A thermostatic controller for a waterbed heater of the type where the water bladder is enclosed in a foam casing with the controller disposed between the bladder and the side of the casing. The controller has a liquid filled bulb and capillary temperature sensor disposed in a sensing chamber isolated by dead air from a separate walled switching chamber having a diaphragm type actuator connected to the capillary tube for moving a lever spring biased against the actuator and operable to actuate a snap switch. An adjustment camshaft extends externally of the controller housing for adjusting the bias on the lever for changing the temperature at which the snap switch is actuated.
Borden Ladner Gervais Llp
Corporation Eaton
Gouldey Glenn C.
LandOfFree
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