Exhaust gas recirculation for a diesel engine

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

1978-11-17

1980-09-16

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

F02M 2506

Patent

active

042223563

ABSTRACT:
Disclosed herein is an exhaust gas recirculation control valve for a diesel engine. The valve comprises a valve casing, disposed in the intake line of the engine, of a rectangular cross sectional shape. 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 of a plate shape is arranged in the casing and is rotated about an axis located upstream of the valve seat in such a manner that the valve member is moved between a position wherein the plate closes the valve seat and another position wherein the plate closes the intake passageway. The valve device is operated by an actuator means including a vacuum actuator connected to the valve plate and a vacuum generator which transmits a vacuum signal into the actuator in accordance with the load of the engine.

REFERENCES:
patent: 2456213 (1948-12-01), Pelc
patent: 3918421 (1975-11-01), Berry et al.
patent: 4031873 (1977-06-01), Banzhaf et al.
patent: 4161930 (1979-07-01), Bendig et al.

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