Fuel injector surrounding intake valve stem

Details Fuel injector surrounding intake valve stem Fuel injector surrounding intake valve stem

1992-08-04

1993-03-30

Cross, E. Rollins

Internal-combustion engines

Combustion chamber means having fuel injection only

Injector is an integral part of engine valve

123 9011, 2395853, F02M 5704, F01L 904

Patent

active

051974282

ABSTRACT:
An electromagnetic fuel injector has a tubular non-magnetic body defined by radially inner and outer side walls bounding an annular shaped interior which contains a tubular solenoid coil and an annular valve element that is operated by said solenoid coil to open and close the fuel injector. The radially inner wall bounds a central through-hole in the body that allows the stem of an engine intake valve to pass through the fuel injector, thereby enabling the fuel injector to be mounted on the manifold directly over the valve head.

REFERENCES:
patent: 2809621 (1957-10-01), Layne
patent: 3704694 (1972-12-01), Gilewski et al.
patent: 3812829 (1974-05-01), McCormick
patent: 4020803 (1977-05-01), Thuren et al.
patent: 4058091 (1977-11-01), Tanahashi
patent: 4539950 (1985-09-01), Schaich
patent: 5022357 (1991-06-01), Kawamura
patent: 5119772 (1992-06-01), Kawamura

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