H - Electricity – 05 – B
Patent
H - Electricity
05
B
309/39
H05B 3/82 (2006.01)
Patent
CA 1264177
Abstract of the Disclosure In a water heater with a plastic tank, a water heater electric heating element assembly has a mounting plug in which a sheathed heating element is mounted. The heating element has two generally parallel legs and a bight portion. A well, mounted at one end in the mounting plug, projects along and substantially parallel to the legs in heat exchange relation therewith. A thermal cutoff in the well is electrically connected in series with one end of a two-ended electric resistance element in the sheathed heating element. A thermally conductive bridge is mechanically and thermally connected to and between the legs of the sheathed heating element and the well containing the thermal cutoff, which is mounted against the inner wall of the well. The legs of the sheathed heating element are bent back upon themselves, and a bracket, connected to the two reaches of at least one leg, permits relative axial movement but prevents lateral movement of the reaches of the legs with respect to one another. The mounting plug is made of solid copper or copper alloy, as is the sheath and well. A molded closure has holes through which terminal pin from the thermal cutoff and a terminal pin, from one end of the resistance element, extend. The molded closure has a boss with a blind hole into which a terminal pin connected to the other end of the heating element and to another terminal pin of the thermal cutoff, extends.
523038
Bartels Mark A.
Cunningham Donald M.
Markum T. Randall
Bartels Mark A.
Borden Ladner Gervais Llp
Cunningham Donald M.
Emerson Electric Co.
Markum T. Randall
LandOfFree
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