Organic rankine cycle system for use with a reciprocating engine
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United States of America Patent
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Jan 17, 2006
Grant Date -
Dec 23, 2004
app pub date -
Jun 17, 2003
filing date -
Jun 17, 2003
priority date (Note) -
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Abstract
In a waste heat recovery system wherein an organic rankine cycle system uses waste heat from the fluids of a reciprocating engine, provision is made to continue operation of the engine even during periods when the organic rankine cycle system is inoperative, by providing an auxiliary pump and a bypass for the refrigerant flow around the turbine. Provision is also made to divert the engine exhaust gases from the evaporator during such periods of operation. In one embodiment, the auxiliary pump is made to operate simultaneously with the primary pump during normal operations, thereby allowing the primary pump to operate at lower speeds with less likelihood of cavitation.
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