Internal-combustion engines – Combustion chamber means having fuel injection only – Using multiple injectors or injections
Patent
1983-12-07
1985-06-11
Moy, Magdalen Y. C.
Internal-combustion engines
Combustion chamber means having fuel injection only
Using multiple injectors or injections
123305, 123502, 123450, 123458, F02B 300
Patent
active
045221740
ABSTRACT:
A method for injecting fuel directly into a given combustion chamber of an internal combustion engine with externally supplied ignition in which the supply of air to the combustion chambers may be either throttled or unthrottled. To assure unobjectionable operation both at partial load and under full load, the fuel is introduced during partial-load operation with a large air excess, forming a layered charge, in the vicinity of the ignition location at a time immediately prior to the instant of ignition, while at full-load operation, in order to attain maximum power and soot-free combustion by means of a homogeneous fuel-air mixture, the supply of fuel takes place during the intake stroke of the engine piston defining the combustion chamber. In order to perform this method, a distributor-type fuel injection pump is provided, in which either one distributor opening or another distributor opening of two distributor openings comes into effective operation. The distributor openings are located at a fixed rotational angle spacing from one another, by means of which the advancement of the fuel injection at full load is fixed relative to the instant of injection at partial load.
REFERENCES:
patent: 2431857 (1947-12-01), Fenney
patent: 2724371 (1955-11-01), Mallory
patent: 4224903 (1980-09-01), Mowbray
patent: 4351295 (1982-09-01), Bassoli et al.
patent: 4463727 (1984-08-01), Babitzka et al.
237472, 5/1943, Alien Property Custodian, Scherenberg.
Babitzka Rudolf
Linder Ernst
Greigg Edwin E.
Moy Magdalen Y. C.
Robert & Bosch GmbH
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