Reciprocating internal combustion engine
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United States of America Patent
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Jul 29, 2003
Issued Date -
N/A
app pub date -
May 15, 2002
filing date -
Sep 2, 1997
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An internal combustion engine (1010) having an adjustable compression ratio is disclosed. The engine includes a housing (1013), a piston assembly (1012) adjustably coupled to the housing, and a cylinder(1014) reciprocatingly disposed within the housing. The cylinder reciprocates relative to the piston assembly during operation of the engine. The engine further includes a compression ratio adjustment mechanism (1300) in communication with the piston assembly. The compression ratio adjustment mechanism is adaptable to adjust the compression ratio of the engine during operation. In another aspect of the present invention, the engine includes an exhaust valve (1052) in fluid communication with the cylinder and a crankshaft (1016) coupled to the cylinder, wherein the crankshaft includes a lobe (1054) for actuating the exhaust valve.
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