Internal-combustion engines – Precombustion and main combustion chambers in series – Having fluid whirling means
Patent
1994-11-15
1996-05-14
Argenbright, Tony M.
Internal-combustion engines
Precombustion and main combustion chambers in series
Having fluid whirling means
123276, F02B 1908, F02B 1918
Patent
active
055158234
ABSTRACT:
In this engine with precombustion chambers, precombustion chambers are formed in pistons, and an air utilization rate in main combustion chambers formed in cylinders is improved, whereby the mixing of air with flames is promoted with a combustion period reduced. In this engine, main communication ports communicating the main combustion chambers and precombustion chambers with each other are formed in the substantially central portions of piston heads, while auxiliary communication ports are formed around the main communication ports so as to extend incliningly toward the circumferences of the cylinders. The fuel injection nozzles provided in a cylinder head are projected into the main communication ports in positions in the vicinity of the top dead centers of the pistons to close the same, and fuel is injected from multi-bored injection ports of the fuel injection nozzles into the precombustion chambers. The flames ejected from the precombustion chambers into the main combustion chambers are guided by the auxiliary communication ports and cavities and turned into turning flows of flame jets, which are mixed with suction swirls to promote the combustion of gases in the main combustion chambers.
REFERENCES:
patent: 1633541 (1927-06-01), Braren
patent: 1708056 (1929-04-01), French
patent: 2151218 (1939-03-01), Lutz
patent: 2505999 (1950-05-01), Smith
patent: 2831468 (1958-04-01), Witzky
patent: 3132633 (1964-05-01), Zimmerman
patent: 3424137 (1969-01-01), Guertler
Argenbright Tony M.
Isuzu Ceramics Research Institute Co. Ltd.
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