Exhaust gas recirculation for a diesel engine

Details Exhaust gas recirculation for a diesel engine Exhaust gas recirculation for a diesel engine

1979-01-04

1980-12-09

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

F02M 2506

Patent

active

042378370

ABSTRACT:
An exhaust gas recirculation control valve for a diesel engine. The valve comprises a valve casing of a rectangular cross-sectional shape disposed in the intake line of the engine. A valve seat connected to an exhaust line of the engine via an EGR passageway is formed in a side wall of the rectangular-shaped valve casing. A valve member is arranged in the casing and then rotated about an axis located upstream of the valve seat in such a manner that the valve member is moved between a position wherein valve member closes the valve seat and another position wherein the plate closes the intake passageway. The valve member comprises a base portion of a flat shape and a guide portion which is inserted into the valve seat when the degree of opening of the valve member is small.

REFERENCES:
patent: 3741179 (1973-06-01), Vartanian
patent: 3766896 (1973-10-01), Buehler et al.
patent: 4100734 (1978-07-01), Ozaki et al.
patent: 4171689 (1979-10-01), Eheim

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