Method and devices for controlling the combustion of a four stroke engine
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United States of America Patent
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Jan 14, 1997
Grant Date -
N/A
app pub date -
Jan 26, 1995
filing date -
May 3, 1993
priority date (Note) -
Expired
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Abstract
Method and devices for controlling the combustion of a four-stroke engine. For each cylinder, in addition to the main combustion chamber, a smaller secondary combustion chamber is provided. The secondary combustion chamber is completely separate and independently supplied with a compressed fuel-air mixture such that, when the mixture is ignited, the explosion that takes place through a transfer channel into the main combustion chamber, igniting the mixture contained therein. The main combustion chamber is not supplied with fuel at low speeds. Application is also contemplated for four-stroke engines with spark or other ignition and with rotary or valve timing.
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