Patent ID: 9603193
Date: 2017-03-21
CPC Classifications: F03G,G05D,H05B,Y10T

Claim:
1. A thermostatic working element comprising: a housing for receiving an expansion medium; an electric heating element having an anchoring element with a top side and a bottom side arranged at a lower portion of said electric heating element, said electric heating element being arranged in the housing; connecting lines connected to said electric heating element, wherein a base of a bottom side of the housing comprises an opening for passage therethrough of said connecting lines; and a gasket disposed between the bottom side of said anchoring element of said electric heating element and the base of the bottom side of the housing, essentially surrounding the opening, wherein the top side of said anchoring element is bent inwardly toward the top of said heating element to form a circumferential engagement surface, wherein the housing further comprises a recess formed by applying circumferential pressure which compress the walls of the housing inwardly, and located in proximity to the electric heating element at the top side of said anchoring element, and wherein the recess is configured to press against the circumferential engagement surface of the anchoring element thereby pressing the anchoring element downwardly against the gasket and the base of the bottom of the housing, forming a seal of the housing by the bottom side thereof.