Gas mixture feed system for internal combustion engine

Details Gas mixture feed system for internal combustion engine Gas mixture feed system for internal combustion engine

1976-08-05

1978-06-13

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

F02M 2506

Patent

active

040942856

ABSTRACT:
A gas mixture feed system provided therein with an exhaust gas recirculating passageway. The gas mixture feed system comprises: a throttle valve; a movable vane operationally associated with the throttle valve to regulate Venturi negative pressure; a variable stage type carburetor provided therein with a fuel metering device controlled by the movable vane; and an exhaust gas recirculating passageway for recirculating part of the exhaust gas of the internal combustion engine to the carburetor. The exhaust gas recirculating passageway has an opening within an intake passageway disposed between the movable vane of the carburetor and the throttle valve, whereby intake air and recirculating exhaust gas are uniformly mixed. Mounted in the exhaust gas recirculating passageway is a control valve which is mechanically connected to the movable vane so as to change the area of opening in accordance with the movement of the movable vane.

REFERENCES:
patent: 1338104 (1920-04-01), Shurtleff
patent: 1362394 (1920-12-01), Church
patent: 3981284 (1976-09-01), Gospodar

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