Internal-combustion engines – Noncompression
Patent
1975-05-12
1978-05-30
Cox, Ronald B.
Internal-combustion engines
Noncompression
123139AS, 123139AK, F02B 1910, F02B 1916
Patent
active
040917711
ABSTRACT:
Injection device for injecting fuel into a combustion space such as an auxiliary combustion space of an external auto-ignition internal combustion engine of the type operating on the stratified-charge principle. The injection device includes a housing accommodating a movable pump plunger, a movable nozzle needle controlling the nozzle orifice opening into the auxiliary combustion space, and a movable piston-type storer. The pump plunger is configured to close off respective fuel return and fuel supply lines during its pumping stroke, at which time it effects a build up of pressure resulting in movement of the piston type storer until a predetermined sufficient pressure is reached to force the nozzle needle away from the closed position to thereby effect injection of fuel into the auxiliary combustion space. An adjustable stop is provided at the piston-type storer and the supply fuel to the fuel supply line is under an adjustable pre-pressure, whereby the adjusted pre-pressure and the configuration of the piston-type storer control the amount of fuel injection.
REFERENCES:
patent: 2055578 (1936-09-01), Hurst
patent: 2582539 (1952-01-01), Grimod
patent: 2739643 (1956-03-01), Voit
patent: 3058455 (1962-10-01), Hofer et al.
Rapp Wolfgang
Schmidt Dieter
Cox Ronald B.
Daimler-Benz Aktiengesellschaft
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