Fuel injection system for internal combustion engines with conti

Details Fuel injection system for internal combustion engines with conti Fuel injection system for internal combustion engines with conti

1980-09-22

1982-10-26

Lazarus, Ira S.

Internal-combustion engines

Charge forming device

Fuel injection system

123588, F02M 5932

Patent

active

043556175

ABSTRACT:
An arrangement to eliminate the disadvantage of explosions caused by intake line backfiring resulting under cold engine starting conditions of internal combustion engines equipped with fuel injection systems of the type that inject, under cold starting conditions, additional fuel in finely divided form into the manifold intake pipe. In an improved fuel injection system, a fuel distribution arrangement comprising a fuel admitting portion communicating with an injection nozzle, and fuel feed components each of which extends from the admitting portion to a corresponding one of a plurality of intake lines to the engine is provided in the manifold intake pipe. A supply of air bypassing a primary intake pipe choke is forced into the fuel admitting portion and because of the high flow rate in the admission tube, the air is mixed very thoroughly therein with the fuel injected so that a uniformly distributed air-fuel mixture is obtained and fuel deposited on the admission tube inner wall is moved immediately to the cylinders, such that flames backfiring from combustion chambers of the engine cannot initiate explosions.

REFERENCES:
patent: 2860616 (1958-11-01), Dermond
patent: 3494340 (1970-02-01), Weber et al.
patent: 4121549 (1978-10-01), Martin et al.
patent: 4159703 (1979-07-01), Mayer
patent: 4187821 (1980-02-01), Zebli
patent: 4227496 (1980-10-01), Martel
patent: 4253441 (1981-03-01), Kawamura et al.
patent: 4257375 (1981-03-01), Ulrich

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