Patent ID: 6679431
Filing Date: 2004-01-20
Classification: F01P,Y10T

Abstract:
A thermostat housing (12) assembly comprising;a housing (12) of plastic material having a flange (16) for mounting said housing (12) on a support structure and a tubular spout (18) extending from said flange (16) and defining a passageway (20) extending from an opening in said spout (18) to an opening in said flange (16) for fluid to flow therethough, said flange (16) presenting a mounting face (22) for engaging the support structure and an outer seal groove (24) therein, an outer seal (26) disposed in said outer seal groove (24) for sealing said flange (16) to the support structure, a vent passage extending between said passageway and said mounting face inside said outer seal, and a check valve (52) disposed in said vent passage, a cap (50) having a vent hole (56) therethrough and disposed in said vent passage for retaining said check valve (52) in said vent passage, said assembly characterized by said plastic material of said housing (12) being deformed into engagement with said cap (50) for retaining said cap (50) in said vent passage.