Engine induction system

Details Engine induction system Engine induction system

1982-02-18

1984-10-09

Lall, Parshotam S.

Internal-combustion engines

Multiple cylinder

123442, 123445, F02M 3510

Patent

active

044754868

ABSTRACT:
A port fuel injection system for an automotive engine has injectors delivering fuel across an air gallery and through subsonic nozzles into the engine inlet manifold to provide enhanced mixing of air and fuel for combustion in the engine. A staged throttle mechanism operates a primary throttle controlling air flow through the air gallery and a secondary throttle controlling air flow directly into the manifold so that the air gallery provides substantially the entire air flow required for low speed light load engine operation.

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patent: 2860616 (1958-11-01), Dermond
patent: 2862489 (1958-12-01), Pringham
patent: 2911203 (1959-11-01), Kolbe
patent: 2914051 (1959-11-01), Dolza et al.
patent: 3678905 (1972-07-01), Diehl
patent: 3783844 (1974-01-01), Gural
patent: 3785354 (1974-01-01), Moulds
patent: 3788287 (1974-01-01), Falen et al.
patent: 3789819 (1974-02-01), Moulds
patent: 4303046 (1981-12-01), Nakanishi et al.
patent: 4378761 (1983-04-01), Kawamura

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