Exhaust gas recirculation valve assembly

Details Exhaust gas recirculation valve assembly Exhaust gas recirculation valve assembly

1990-07-02

1991-06-04

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

F02M 2507

Patent

active

050205056

ABSTRACT:
An exhaust gas recirculation valve assembly for controlling the recirculation of exhaust gas in an internal combustion engine having a base with an exhaust gas chamber formed therein, a valve member mounted within the exhaust gas chamber for metering the flow of exhaust gas therethrough, a one piece bearing having upper and lower bearing members for precise positioning of the valve member within the exhaust gas chamber, and a valve stem support assembly for mounting the valve stem relative to the actuator having means for allowing lateral movement between the actuator and the valve member thereby eliminating side-to-side loading and resultant binding of the precisely positioned valve member within the bearing.

REFERENCES:
patent: 4312319 (1982-01-01), Brakebill
patent: 4351285 (1982-09-01), Bradshaw
patent: 4566423 (1986-01-01), Kenny et al.
patent: 4662604 (1987-05-01), Cook
patent: 4674464 (1987-06-01), Akagi
patent: 4694812 (1987-09-01), Wendt
patent: 4782811 (1988-11-01), Hewette et al.
patent: 4805582 (1989-02-01), Braun et al.

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