EXPANSION VALVE WITH A PLUG AND A FLOW SELECTOR
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United States of America Patent
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Issued Date -
May 24, 2012
app pub date -
Jun 29, 2010
filing date -
Jun 30, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a valve device including a built-in expansion valve and a flow selector. The valve function is provided by a blocker mounted so as to be inverted. The expansion valve is arranged laterally and communicates with a high-pressure chamber immediately downstream from the blocker and with a low-pressure chamber via a side passage. A device for mechanically controlling the blocker is provided in a chamber sealingly separated from the high-pressure chamber and from the low-pressure chamber. A flow selector in the form of a disc with a calibrated opening is provided in the low-pressure chamber, the disc engaging with a passage directly linked to the outlet of the device. The mechanical control device engages with a control pin of the disc.
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