Internal-combustion engines – Charge forming device – Exhaust gas used with the combustible mixture
Patent
1998-09-04
2000-03-21
Wolfe, Willis R.
Internal-combustion engines
Charge forming device
Exhaust gas used with the combustible mixture
12356818, 12356819, F02M 2507
Patent
active
060390344
ABSTRACT:
An exhaust gas recirculation valve (10) for installation between an air intake and an exhaust of an engine comprising a housing (12) having a first bore (14) for connection with the air intake and a second bore (16) for receiving exhaust gas from the exhaust, the second bore being at an angle to the first bore and opening into the first bore; a valve stem (24) extending from the first bore into the second bore; a valve seat (28) in the second bore at the opening (18) of the second bore into the first bore; a valve head (30) on the valve stem within the second bore and normally in engagement with the valve seat; eccentric drive means (42) rotatably mounted in the first bore and connected to the valve stem; actuating means (34) mounted on the housing and connected to the eccentric drive means, which, on actuation, rotates the eccentric drive means to move the valve stem to disengage the valve head from the valve seat. EGR valve suitable for a diesel engine or other types of engine.
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Ballmert Bernd Jakob
Collins Laurence Alexander
Field Martin John
Moran Robert James
Cichosz Vincent A.
General Motors Corporation
Wolfe Willis R.
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