Internal-combustion engines – Precombustion and main combustion chambers in series – Having fluid whirling means
Patent
1981-07-07
1983-07-12
Argenbright, Tony M.
Internal-combustion engines
Precombustion and main combustion chambers in series
Having fluid whirling means
123276, 123282, F02B 1908
Patent
active
043924654
ABSTRACT:
A self-igniting internal combustion engine which includes at least one piston having a rotational symmetrical piston trough arranged therein. The piston trough has a conical side wall and an inlet port which is less than a largest diameter of the piston trough. An eccentrically arranged injection nozzle is provided for injecting fuel in a wall wetting phase into the piston trough. At least one fuel jet from the injection nozzle impinges approximately in a plane centrally onto the side wall. To avoid a wetting of the bottom of the trough with still liquid fuel, an annular bead is provided having a sharp annular bead edge. A collar is arranged at the neck of the inlet port, with the collar constituting a discontinuous transistion to the inlet port and causing in the area of the collar a swirl formation counteracting the wall-wetting fuel rising toward the inlet port.
REFERENCES:
patent: 2975773 (1961-03-01), Meurer
patent: 3386421 (1968-06-01), Hoffmann et al.
patent: 4207843 (1980-06-01), List et al.
Automotive Engineering vol. 86, No. 5, May 1978, pp. 42-47.
Wagner Wilhelm
Wolters Gerhard
Argenbright Tony M.
Daimler-Benz Aktiengesellschaft
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