F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
137/43.2
F02M 25/06 (2006.01) F02M 25/07 (2006.01)
Patent
CA 1198961
A SERVICEABLE VALVE CONSTRUCTION Abstract of the Disclosure A serviceable valve is provided for controlling the recirculation of exhaust gases within an internal combustion engine. The valve includes a housing having a first section provided with an interior chamber and a second section secured to and subtending said first section. A diaphragm is affixed to and interposed the housing sections and is in communication with the chamber. In response to a predetermined chamber pressure, the diaphragm is distorted in one direction from a predetermined rest position. The housing is mounted on a fitting, which subtend the housing second section, whereby said housing and the diaphragm are rotatable as a unit about an axis of the fitting to selected positions of adjustment. The fitting is removably mounted on the engine. Carried on the diaphragm is a stem assembly which is movable longitudinally in response to the distortion of the diaphragm. A portion of the stem assembly extends through and protrudes from the fitting and has a valve piece mounted thereon. The valve piece is adapted to coact with a valve seat disposed within a recircula- tion flow path of the engine exhaust gases and, when seated thereon, blocks recirculation of the exhaust gases through the engine. The housing first section is provided with a port offset from the fitting axis and adapted to be removably connected to a pressure fluctuating segment of the engine. Means is provided which coacts with the fitting and the housing second section and releasably retains the housing and diaphragm in a selected position of adjustment relative to the fitting.
444012
Ballwin-Washington Inc.
Smart & Biggar
LandOfFree
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