Fluid sprinkling – spraying – and diffusing – Unitary injection nozzle and pump or accumulator plunger – Plunger interconnected or mounted bypass
Patent
1989-04-28
1990-12-25
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Unitary injection nozzle and pump or accumulator plunger
Plunger interconnected or mounted bypass
239 88, 123467, F02M 3202, F02M 4702
Patent
active
049796747
ABSTRACT:
A fuel injector includes a pressure chamber and/or a damper chamber to damp the movement of a plunger and a piston after fuel injection has ended. A fuel bypass communicates with the pressure chamber or damper chamber to prevent fuel pressure within the chamber from rising as a consequence of the damping action. The bypass prevents the pressure in the chamber from increasing to the point where the movement of the plunger would be reversed and pressurized fuel would once again be supplied to the nozzle causing secondary injection. The damper chamber and bypass thus serve to prevent bumping between the plunger and the surrounding cylinder and also to prevent secondary injection.
REFERENCES:
patent: 2551053 (1951-05-01), Rogers
patent: 4170974 (1979-10-01), Kopse et al.
patent: 4184459 (1980-01-01), Ishii et al.
patent: 4271807 (1981-06-01), Links et al.
patent: 4279385 (1981-07-01), Straubel et al.
patent: 4378774 (1983-04-01), Kato
Kunishima Akira
Onishi Masanori
Taira Shigeo
Yoshizu Fumitsugu
Diesel Kiki Co. Ltd.
Kashnikow Andres
Trainor Christopher G.
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