Fuel injection system for engine

Details Fuel injection system for engine Fuel injection system for engine

1996-05-20

1998-02-24

Wolfe, Willis R.

Internal-combustion engines

Combustion chamber means having fuel injection only

Having a particular relationship between injection and...

F02M 5100

Patent

active

057202540

ABSTRACT:
A number of embodiments of engines having direct cylinder injection wherein the fuel injector is positioned so as to be shrouded by the piston during at least a portion of its stroke. This permits the use of less expensive and lower pressure fuel injection nozzles. The spray pattern of the injector is chosen so that some fuel is sprayed toward the spark plug to provide stratification, but the major portion is directed toward the head of the piston so to as insure a homogeneous mixture when operating at high speed, high load conditions. In addition the spray is controlled so that none of the fuel passes out of the exhaust port.

REFERENCES:
patent: 4753213 (1988-06-01), Schlunke et al.
patent: 4790270 (1988-12-01), McKay et al.
patent: 4932371 (1990-06-01), Alberson et al.
patent: 5211145 (1993-05-01), Ichikawa et al.
patent: 5284111 (1994-02-01), Geyer et al.

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