Target injection stratified charge spark ignition engine

Details Target injection stratified charge spark ignition engine Target injection stratified charge spark ignition engine

1979-09-21

1981-09-01

Myhre, Charles J.

Internal-combustion engines

Combustion chamber means having fuel injection only

Injection of fuel onto igniter, deflector, heater, or atomizer

123261, 123276, 123295, F02B 1700

Patent

active

042865573

ABSTRACT:
A stratified charge spark ignition internal combustion engine is arranged to provide a preferably centered target recess on the end of the piston to redirect fuel spray injected against the recess back into the central portion of the combustion chamber to form a centralized relatively rich core or mixture cloud surrounded by an annular body of air. The size of the centered mixture cloud is load variable as determined by the volume and timing of injection as well as other factors. A preferred embodiment includes a target shape which compensates for limited eccentricity and angularity of the nominally axial injection spray to maintain a relatively even distribution of fuel within the mixture cloud. An alternative arrangement also includes a small ignition antechamber surrounding the end of the injection nozzle.

REFERENCES:
patent: 1708056 (1929-04-01), French
patent: 3035559 (1962-05-01), Brandes et al.
patent: 3094974 (1963-06-01), Barber
patent: 3132633 (1964-05-01), Zimmerman
patent: 3400701 (1968-09-01), Tessmer
patent: 3498276 (1970-03-01), Hardenberg
patent: 3999532 (1976-12-01), Kornhauser
patent: 4014300 (1977-03-01), Klomp
patent: 4018193 (1977-04-01), Klomp
patent: 4119064 (1978-10-01), Klomp

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