Gas and liquid contact apparatus – Fluid distribution – Valved
Patent
1978-12-15
1980-07-15
Miles, Tim R.
Gas and liquid contact apparatus
Fluid distribution
Valved
261 44G, F02M 908
Patent
active
042128340
ABSTRACT:
A fuel supply system to control an air-fuel mixture for an internal combustion engine which includes an air-flow sensor located in the intake manifold and a manually controlled throttle element. The air-flow sensor includes a rotary element mounted about an axis that extends in the direction of flow, which is moved against a reset force in accordance with the amount of flowing air, so that the air-flow sensor sensor adjusts a fuel supply valve to meter an amount of fuel that corresponds to the amount of air. The rotary element has at least one axial recess which cooperates with a port of the manifold to control an air-flow section and has radial ribs which limit a control chamber having at least one wall securely fixed to the manifold housing, said control chamber being in communication with the intake manifold between the air-flow sensor and the throttle element, while the intake manifold pressure upstream from the air-flow sensor acts upon said ribs. A movable portion of the fuel-metering valve controlled by the air-flow sensor has at least one control slit which opens into a face of the movable portion crosswise to the axis of the air-flow sensor, said control slit arranged to cooperate with at least one control port in a fixed fuel-metering body.
REFERENCES:
patent: 2078849 (1937-04-01), Grosjean
patent: 2925257 (1960-02-01), Cohn
patent: 3049111 (1962-08-01), Bogle
patent: 3259379 (1966-07-01), Yost
patent: 4111045 (1978-09-01), Sauer et al.
patent: 4143102 (1979-03-01), Muller et al.
Greigg Edwin E.
Miles Tim R.
Robert & Bosch GmbH
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