CRYOGENIC ENGINES
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United States of America Patent
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N/A
Issued Date -
Dec 31, 2009
app pub date -
Jan 10, 2007
filing date -
Jan 10, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Slush gas, i.e. a gas or a mixture of gases cooled so that it is partially solid and partially liquid is employed as a drive fluid in a cryogenic engine. A cryogenic engine has a working chamber (50) connected to an energy source comprising a body of slush gas (47) via injection apparatus having a housing (36) which acts as a heat exchanger for causing part of the slush gas entering the injector to boil, so as to enable the gas to be driven under pressure into the working chamber (15).
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