Electricity: electrothermally or thermally actuated switches – Thermally actuated switches – With bimetallic element
Patent
1974-07-24
1976-03-09
Miller, J. D.
Electricity: electrothermally or thermally actuated switches
Thermally actuated switches
With bimetallic element
337349, 337360, 337361, H01H 3712, H01H 3714
Patent
active
039434796
ABSTRACT:
A thermally actuated energy regulator of the kind including a switch controlled through a heat responsive actuator in the form of a bi-metal assembly. A lever is arranged to act between the actuator and the switch so as to actuate a switch in response to pressure applied to the lever by deflection of the actuator, which deflection occurs when the heater associated with the actuator is energized. The lever reacts against a fulcrum, the position of which is adjustable through a cam, and that adjustment permits variation of the amount of deflection of the actuator necessary to cause operation of the switch through the interacting lever. The switch, actuator and cam are secured to a body section in fixed relationship so that calibration of the regulator is simplified.
REFERENCES:
patent: 3109717 (1963-11-01), Clapp
patent: 3466587 (1969-09-01), Rechou et al.
Australian Controls Industries Pty., Ltd.
Bell Fred E.
Miller J. D.
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