Injector for engine with spark ignition and direct injection

Details Injector for engine with spark ignition and direct injection Injector for engine with spark ignition and direct injection

1988-05-06

1990-04-17

Walton, George L.

Valves and valve actuation

Electrically actuated valve

Including solenoid

123472, 239585, 25112921, F02M 5106, F16K 3102

Patent

active

049173529

ABSTRACT:
Electromagnetic injector of the pressure-time type, which comprises a toric electromagnet coil (2, 12) of the axisymmetric solid type, housed in a magnetic circuit support (13), as well as a mobile element consisting of a plane plate (3) solid with a liner (4) which moves a suspended needle (18) forming with a seat (45, 19), reverse clack (41) of the injector, the needle being kept at rest by return spring (20).

REFERENCES:
patent: 2721100 (1955-10-01), Bodine, Jr.
patent: 4304258 (1981-12-01), Mitchell
patent: 4331317 (1982-05-01), Kamai et al.
patent: 4356980 (1982-11-01), Krauss
patent: 4385339 (1983-05-01), Takada et al.
patent: 4700891 (1987-10-01), Hans et al.
patent: 4726389 (1988-02-01), Minowa et al.
patent: 4783009 (1988-11-01), Coates
patent: 4844339 (1989-07-01), Sayer et al.

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