Refinements to constant depression carburettors

Details Refinements to constant depression carburettors Refinements to constant depression carburettors

1976-06-15

1978-03-21

Miles, Tim R.

Internal-combustion engines

Intake manifold

Manifold tuning, balancing or pressure regulating means

261 44C, F02M 906

Patent

active

040797139

ABSTRACT:
In a carburettor, the dosing needle for regulating the fuel flow is connected to a second movable element, such as a membrane or piston, the second movable element being movable relative to a first movable element, one side of the second movable element being subject to atmospheric pressure and the other side of the second movable element being subject to the partial vacuum prevailing upstream of the throttle valve, modulated by an electromagnetic valve capable of supplying atmospheric pressure, the electromagnetic valve being controlled by a probe arranged in the exhaust pipe which supplies a signal representative of the composition of the exhaust gases.

REFERENCES:
patent: 3653642 (1972-04-01), Lawrence
patent: 3760785 (1973-09-01), Harrison et al.
patent: 3807172 (1974-04-01), Masaki
patent: 3855974 (1974-12-01), Mayer
patent: 3927649 (1975-12-01), Stumpp
patent: 3978175 (1976-08-01), Stoltman

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