US PATENT SUBCLASS 337 / 100
.~.~.~ Auxiliary heating means

Current as of: June, 1999
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337 /   HD   ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
36  DF  .~ With bimetallic elements (i.e., motion takes place in a plane at right angles to its major axis) {10}
99  DF  .~.~ With voltage or ambient temperature compensation means {2}
100.~.~.~ Auxiliary heating means

DEFINITION

Classification: 337/100

(under subclass 99) Subject matter wherein the compensating structure includes at least one auxiliary heating means whereby the operating characteristics of the switch are prevented from changing due to variations in the ambient medium.

(1) Note. For other heating means employed in devices of this class, see SEARCH THIS CLASS, SUBCLASS.

SEE OR SEARCH THIS CLASS, SUBCLASS:

102+, for electrothermally operated switches employing bimetallic elements and including further external or auxiliary heating means in addition to the thermal current whereby the operative characteristics of the switch are controlled. Also, for other heating means employed in devices of this class, see the subclasses listed under SEARCH THIS CLASS, SUBCLASS

377, for similar devices utilizing thermally responsive bimetallic elements.