Internal-combustion engines – Charge forming device – Fuel injection system
Patent
1978-12-05
1980-10-28
Lazarus, Ira S.
Internal-combustion engines
Charge forming device
Fuel injection system
261 50A, 261 44A, F02M 3900
Patent
active
042300835
ABSTRACT:
A fuel supply apparatus is proposed which serves to control a mixture-compressing, externally ignited internal combustion engine. The fuel supply apparatus includes at least one fuel depositing point in the air intake manifold, within which an air flow rate meter and an arbitrarily actuatable throttle valve are disposed in series and the air flow rate meter is moved against a restoring force in accordance with the air quantity flowing therethrough. The air flow rate meter, which is embodied as a flat rotary element in the shape of a circular sector, more or less widely opens an aperture which defines the cross-sectional width of the air intake manifold and is rotatably fixed about a rigid shaft extending in the direction of air flow. The intake manifold pressure upstream of the air flow rate meter acts on one side of the air flow rate meter, and the intake manifold pressure downstream of the air flow rate meter acts on the other side of the air flow rate meter. In a plane downstream of the air flow rate meter which is parallel to the aperture, there is an arbitrarily actuatable lobed element, by means of which the flow-through cross-sectional area at the aperture can be varied in accordance with the operating characteristics of the internal combustion engine.
REFERENCES:
patent: 1003101 (1911-09-01), Gumz
patent: 3777727 (1973-12-01), Kirchner et al.
patent: 4154203 (1979-05-01), Peters et al.
patent: 4170975 (1979-10-01), Wessel et al.
Eckert Konrad
Wessel Wolf
Greigg Edwin E.
Lazarus Ira S.
Moy Magdalen
Robert & Bosch GmbH
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