Internal-combustion engines – Combustion chamber means having fuel injection only – Injection of fuel onto igniter – deflector – heater – or atomizer
Patent
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
Dolinar Andrew M.
General Motors Corporation
Myhre Charles J.
Outland Robert J.
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