Fuel injection apparatus with pilot injection and main injection

Details Fuel injection apparatus with pilot injection and main injection Fuel injection apparatus with pilot injection and main injection

1984-08-24

1985-06-04

Miller, Carl Stuart

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

123575, 2395335, 417494, F02M 4502, F02M 5938

Patent

active

045207747

ABSTRACT:
A fuel injection apparatus with pilot injection and main injection in Diesel engines is proposed. A high-pressure injection pump delivers a main injection quantity to a main injection nozzle, while a hydraulic pilot injection auxiliary pump driven by the supply pressure of the high-pressure injection pump positively displaces a pilot injection quantity, via a piston, and delivers it to a pilot injection nozzle which is either separate or combined with the main injection nozzle. In the main injection area, a storage piston is separately provided, which without being mechanically connected to the pilot injection piston and without a pressure division is initially acted upon solely by the supply pressure of the high-pressure injection pump and only in the course of the pilot injection piston stroke is a line leading on to the storage piston opened up, at least indirectly, for the pumped fuel.

REFERENCES:
patent: 2173813 (1939-09-01), Bischof
patent: 3394891 (1968-07-01), Voit
patent: 3403861 (1968-10-01), Eidtmann et al.
patent: 3752137 (1973-08-01), Kimberley
patent: 4022165 (1977-05-01), Eckert
patent: 4289098 (1981-09-01), Norberg et al.
patent: 4356976 (1982-11-01), Eblen
patent: 4389987 (1983-06-01), Frankle
patent: 4426198 (1984-01-01), Bastenhof

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