Frost-resistant steam circuit process device and its method of operation
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United States of America Patent
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Issued Date -
Jun 21, 2012
app pub date -
Aug 17, 2011
filing date -
Dec 15, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention concerns a steam circuit process device comprising a reservoir for a liquid working medium; a feed pump for supplying working medium from the reservoir to an evaporator, in which the working medium is evaporated; an expander, to which vaporised working medium is fed by the evaporator, which expands by way of performing mechanical work in the expander; a condenser, which follows the expander and is in fluid connection with the reservoir, whereas the working medium is liquefied in the condenser; The invention is characterised in that the steam circuit process device includes an emptying pump for the working medium which is arranged in a by-pass line between the reservoir and a switchable valve system in fluid communication with at least one further component of the steam circuit process device.
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