Patent ID: 7650906
Filing Date: 2010-01-26
Classification: F15B,F16K,Y10T

Abstract:
1. A valve apparatus that is adapted to be at least partially inserted into an insertion hole of a counterpart member, the valve apparatus comprising: a housing that is adapted to be inserted from an outside of the insertion hole into the insertion hole, the housing and the insertion hole defining an annular gap therebetween; and at least one O-ring that seals the annular gap, wherein the housing includes a base metallic member and an outer resin member, the base metallic member is substantially cylindrical, the base metallic member being inserted into the insertion hole, the outer resin member is fixed to the base metallic member, the outer resin member at least partially defining an outer circumferential periphery of the housing, the base metallic member defines a bottom surface of a groove that supports the at least one O-ring, the bottom surface of the groove being exposed circumferentially throughout from the outer resin member, the outer resin member defines a resin wall that restricts the at least one O-ring from axially moving, and wherein the base metallic member has a cylindrical portion extending from a portion where the bottom surface is formed to an axial end of the base metallic member, the cylindrical portion being formed smaller than the bottom surface in a diametrical direction.