Method of operating an air-compressing, self-igniting internal c

Details Method of operating an air-compressing, self-igniting internal c Method of operating an air-compressing, self-igniting internal c

1980-01-09

1983-01-18

Argenbright, Tony M.

Internal-combustion engines

Precombustion and main combustion chambers in series

With injection means particularly positioned relative to...

123 1A, 123276, 123299, F02N 1708, F02B 306

Patent

active

043687024

ABSTRACT:
A method and apparatus for operating an air-compressing, self-igniting combustion machine or engine, for liquid fuels, which has a combustion chamber depression, in the piston, into which fuel is sprayed or injected essentially centrally, preferably in a direction toward the depression wall, and in which the combustion air rotates at the time of injection. Oxygen-containing fuel that is reluctant to ignite is injected through an injection device into the combustion chamber depression, and an ignitible fuel is sprayed or injected through a second injection device, with an overlap in the injection times of the ignitible fuel and the oxygen-containing fuel that is reluctant to ignite. Ignition of the oil fuel, gas oil or Diesel fuel starts before injection of the oxygen-containing fuel that is reluctant to ignite. After approximately 2/3 of the injection time of the Diesel fuel, there begins the injection of the oxygen-containing fuel which is reluctant to ignite. During cold starting, only Diesel fuel is injected in a quantity sufficient for cold starting, until attaining a low idling speed. The volume ratio of Diesel fuel to the oxygen-containing fuel reluctant to ignite is approximately 1:30 at full load. The injection devices for the two fuels may be embodied in a single nozzle body.

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patent: 2837067 (1958-06-01), Meurer
patent: 3999532 (1976-12-01), Kornhauser
patent: 4254741 (1981-03-01), Werling et al.
patent: 4273084 (1981-06-01), Holmer

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