Method for operating an air-compressing auto-igniting internal c

Details Method for operating an air-compressing auto-igniting internal c Method for operating an air-compressing auto-igniting internal c

1978-11-28

1981-08-18

Lazarus, Ronald H.

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

123305, 123557, 239135, 2395332, 239574, 239409, 239410, F02M 4508

Patent

active

042840430

ABSTRACT:
A method and apparatus for operating an air-compressing internal combustion engine with auto-ignition in which the fuel quantity to be injected is supplied initially in at least one pre-injection jet and thereafter in at least one main injection jet; the fuel of the main injection is preheated to a temperature above the temperature range critical for an evaporation of the fuel at least during operation of the engine in its upper load range while the fuel of the pre-injection is kept below the critical temperature; the injection valve includes two pressure spaces which are series-connected, whereby the pressure space disposed in second place, as viewed in the direction of flow, is arranged in heat-absorbing relationship to the interior of the working space of the internal combustion engine.

REFERENCES:
patent: 2243011 (1941-05-01), L'Orange
patent: 2435213 (1948-02-01), Hancock
patent: 2858811 (1958-11-01), Bede
patent: 3391871 (1968-07-01), Fleischer et al.
patent: 4022165 (1977-05-01), Eckert et al.
patent: 4176628 (1979-12-01), Kanai et al.
patent: 4187825 (1980-02-01), Loyd, Jr.

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