Regulating system with electromagnetic valve and control valve

Details Regulating system with electromagnetic valve and control valve Regulating system with electromagnetic valve and control valve

1975-09-11

1977-09-06

Burns, Wendell E.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

123119D, 123119EC, F02M 2107

Patent

active

040461203

ABSTRACT:
An internal combustion engine of a known design includes a device for correcting the air-fuel dose. The device has a gas inlet connected to the induction manifold, and a control valve controlling the gas inlet. The control valve is controlled by the negative pressure at the throat of a venturi by means of a control means including a spring biassed diaphragm and subjected to the negative pressure. The said pressure may be modified by an electromagnetic valve controlled by means of a probe positioned in the exhaust manifold, which delivers electrical current varying in accordance with the burned gases. This current controls, via an electronic device, and electromagnetic valve.

REFERENCES:
patent: 2220558 (1940-11-01), Van Dijk et al.
patent: 3540419 (1970-11-01), Fox
patent: 3890946 (1975-06-01), Wahl
patent: 3952710 (1976-04-01), Kawarada
patent: 3963009 (1976-06-01), Mennesson
patent: 3977375 (1976-08-01), Laprade

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