Free piston engine
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United States of America Patent
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-
Feb 29, 2000
Grant Date -
N/A
app pub date -
Feb 14, 1998
filing date -
Apr 20, 1995
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A free piston engine wherein a combustion piston directly drives a pumping piston to pump hydraulic fluid to and fro to a linear to rotary motion pump/motor converter which is in the form of a 'split cycle' machine.
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