Fuel injection nozzle

Details Fuel injection nozzle Fuel injection nozzle

1985-03-14

1986-12-09

Peters, Jr., Joseph F.

Fluid sprinkling, spraying, and diffusing

Unitary injection nozzle and pump or accumulator plunger

Plunger interconnected or mounted bypass

239 96, 239124, 23953312, 239574, 123467, 123496, 123506, F02M 4702

Patent

active

046275711

ABSTRACT:
A fuel injection nozzle of the present invention has an accumulating chamber in a body in which high pressure fuel fed from the fuel injection pump is stored using a non-return valve. A needle valve is arranged in the body to inject the fuel in the accumulating chamber. A nozzle needle of the needle valve and a valve member are arranged coaxially and in series with each other. Those end portions of the nozzle needle and valve member which are adjacent to each other are slidably and liquid-sealingly fitted together to define a damping chamber between the valve member and the nozzle needle. Further, a damping plunger is coaxially fitted into the valve member. A passage which connects the damping chamber with the side of the fuel injection pump is coaxially formed in the damping plunger and has a reduced area.

REFERENCES:
patent: 2283725 (1942-05-01), Eichelberg
patent: 2788246 (1957-04-01), Nichols
patent: 4129256 (1978-12-01), Bader, Jr. et al.
patent: 4349152 (1982-09-01), Akagi
patent: 4367846 (1983-01-01), Akagi
patent: 4436247 (1984-03-01), Akagi
patent: 4513719 (1985-04-01), Edo
patent: 4561590 (1985-12-01), Akagi

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