F - Mech Eng,Light,Heat,Weapons – 02 – M
Patent
F - Mech Eng,Light,Heat,Weapons
02
M
F02M 25/07 (2006.01) F02B 47/10 (2006.01)
Patent
CA 2041587
G-5291 C-4298 EXHAUST GAS RECIRCULATION VALVE ASSEMBLY Abstract of the Disclosure An exhaust gas recirculation valve assembly for controlling the recirculation of exhaust gas in an internal combustion engine has an electrically operated valve member that meters flow of exhaust gas through an exhaust gas chamber. A valve member has a valve stem extending to an actuator which is isolated from the base housing the exhaust gas, and the valve is surrounded by a pair of spring-biased seals that seal openings around the valve stem into the actuator and the exhaust gas chamber. The seal closing the actuator opening has an inverted, cup-shaped configuration which encloses the valve stem between the actuator and the base thereby preventing impingement thereon of contaminants which could be carried into the actuator.
Barker Charles J.
Conklin Robert J.
Liggett Michael D.
Meyer Karen M.
Barker Charles J.
Conklin Robert J.
Liggett Michael D.
Meyer Karen M.
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