Valve having multi-piece valve housing

Details Valve having multi-piece valve housing Valve having multi-piece valve housing

1998-07-13

1999-11-02

Michalsky, Gerald A.

Fluid handling

With repair, tapping, assembly, or disassembly means

Assembling, disassembling, or removing cartridge type valve

137 43, 137202, 285396, 285402, F16L 3724

Patent

active

059751169

ABSTRACT:
A vent valve for a gasoline tank has a multi-piece valve housing that is inserted into the tank through a tank wall opening. The housing includes a valve member and a cap member that has a flange that is ultrasonically welded to the gasoline tank and a coupling skirt that has minimal protrusion into the gas tank. The coupling skirt fits into upper portion of the valve member and has keyways that receive inwardly projecting lugs of the valve member to couple the valve and cap members to each other. The valve and cap members are retained in the coupled position by resilent cantilevered lock fingers of the valve member that engage notches in the bottom of the coupling skirt. In a modification the notches coincide with entrance portions of the keyways. The cap member of a second embodiment has a coupling skirt with keyways that fit over an upper portion of the valve member that has outwardly projecting lugs and resilient lock fingers that are cut out of the wall of the valve member. In a modification the outwardly projecting lugs and lock fingers are part of the coupling skirt and the keyways are part of the valve member. The cap member of a third embodiment has a coupling skirt with keyways that receive inwardly projecting lugs of the valve member to couple the valve and cap members to each other. The lugs are retained in the coupled position by notches at the inner ends of the keyways.

REFERENCES:
patent: 1812583 (1931-06-01), Cavalieri
patent: 2027803 (1936-01-01), Young
patent: 2781148 (1957-02-01), Reddle
patent: 4313649 (1982-02-01), Morikawa et al.
patent: 5251776 (1993-10-01), Morgan et al.
patent: 5397196 (1995-03-01), Boiret et al.
patent: 5413137 (1995-05-01), Gimby
patent: 5694968 (1997-12-01), Devall et al.

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