Fluid sprinkling – spraying – and diffusing – Unitary injection nozzle and pump or accumulator plunger
Patent
1994-11-14
1996-07-23
Weldon, Kevin P.
Fluid sprinkling, spraying, and diffusing
Unitary injection nozzle and pump or accumulator plunger
2395339, 2395851, F02M 4702
Patent
active
055381871
ABSTRACT:
A fuel injection device for internal combustion engines having a high pressure accumulation chamber, which can be filled by a high pressure fuel pump and from which high pressure lines lead to the individual injection valves. Control valves for controlling the high pressure injection at the injection valves, as well as an additional pressure storage chamber between these control valves and the high pressure accumulation chamber, are inserted in the individual high pressure lines. For a more rapid pressure relief of the injection valve at the end of injection, the valve member of the control valve has a reaspiration collar, which additionally constitutes a throttle to maintain a residual pressure in the pressure line to the injection valve, which throttle precedes the flat seat valve, which opens the communication of the injection valve to a relief chamber.
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patent: 3606158 (1969-11-01), Pritchard
patent: 3777977 (1973-11-01), Regneault et al.
patent: 4848658 (1989-07-01), Aketa et al.
patent: 4948049 (1990-08-01), Brisbon et al.
patent: 4951874 (1990-08-01), Ohnishi et al.
patent: 4993637 (1991-02-01), Kanesaka
Hlousek Jaroslaw
Mueller Peter
Greigg Edwin E.
Greigg Ronald E.
Robert & Bosch GmbH
Weldon Kevin P.
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