Suction mixture control system for vehicle engines

Details Suction mixture control system for vehicle engines Suction mixture control system for vehicle engines

1981-01-26

1982-09-14

Burns, Wendell E.

Internal-combustion engines

Charge forming device

Crankcase vapor used with combustible mixture

123568, F02M 2506

Patent

active

043490069

ABSTRACT:
An internal combustion engine for a vehicle has an exhaust gas recirculating system for returning exhaust gases to the engine intake passage. The carburetion system for the engine includes a fuel enrichment valve. Sensors for various vehicle speeds and engine operating conditions operate control valves whose actions are modified by a sensor for atmospheric pressure, to control the fuel enrichment valve and a valve in the recirculation passage so that fuel enrichment and exhaust gas recirculation are both reduced when the vehicle travels at a high elevation having low atmospheric pressure.

REFERENCES:
patent: 3282261 (1964-11-01), Bartholomew
patent: 3680318 (1972-08-01), Nakajima et al.
patent: 3800766 (1974-04-01), Schubeck
patent: 4257382 (1981-03-01), Matsui et al.

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