Compressed gas engine with pistons and cylinders
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United States of America Patent
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-
Jul 29, 2003
Grant Date -
Jun 5, 2003
app pub date -
Dec 3, 2001
filing date -
Dec 3, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A compressed gas engine includes a plurality of reciprocating pistons within cylinders, the pistons being driven by compressed gas from a source tank. Intake and exhaust valves selectively open to direct compressed gas to the piston to drive the piston, and to exhaust air, respectively. The valves are opened by a lift rod in engagement with cams on a crankshaft, and are closed by the compressed air.
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