Reciprocating internal combustion engine
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 17, 2006
Grant Date -
Aug 19, 2004
app pub date -
Jul 25, 2003
filing date -
Sep 2, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An internal combustion engine (1010 or 2000) is provided. The internal combustion engine includes a housing (1013 or 1068) and a piston assembly (6, 1012, and 2038) disposed in the housing. The piston assembly is substantially stationary relative to the housing. A cylinder (1, 1014, and 2040) is movably disposed within the housing. A combustion chamber (20, 1033, and 2064) is disposed between the piston assembly and the cylinder.
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