Unit injector for staged injection

Details Unit injector for staged injection Unit injector for staged injection

1985-09-18

1991-01-15

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Unitary injection nozzle and pump or accumulator plunger

137627, 137881, 239 90, 239 95, F02M 4508, F02M 5702

Patent

active

049847384

ABSTRACT:
A unit injector for staged injection of fuel in an internal combustion engine is disclosed. The unit injector comprises a fuel pump and a spray nozzle combined in a single unit adapted to be mounted on the engine with the fuel pump adapted to be driven by a mechanism provided on the engine. The fuel pump of the unit injector includes a pair of cooperating plungers defining first and second fuel compression chambers for producing a plurality of discrete fuel injections during a single cycle of the internal combustion engine and with a single stroke of the driven plunger of the fuel pump.

REFERENCES:
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patent: 4565320 (1986-01-01), Taniguchi et al.
patent: 4598867 (1986-07-01), Trachte
"Fuel Injection and Controls" Paul G. Burman, Frank DeLuca, pp. 29, 30, 68-70, 1962.
"Expanding Diesel Engine Cetane Limits Through Staged Injection", Quentin A. Baker, SAW Technical Publication 830,246, 1985.

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