Pump apparatus and pump unit thereof
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United States of America Patent
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Mar 22, 2011
Grant Date -
Jul 3, 2008
app pub date -
Mar 23, 2005
filing date -
Mar 23, 2004
priority date (Note) -
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Abstract
A pump device and a pump unit of the pump device. The pump device includes a low-temperature flat plate group (low-temperature portion) having a plurality of flat plates as low-temperature objects arranged parallel with each other at specified intervals in a direction crossing a flow passage for a gas; a high-temperature flat plate group (high-temperature portion) having a plurality of flat plates as high-temperature objects arranged parallel with each other at specified intervals in a direction crossing the flow passage; and, a temperature-operating device operating the temperature of at least one of these flat plate groups so that a temperature difference occurs between these flat plate groups. The flat plates are displaced from each other in the flow direction of the flow passage, and a heat insulating layer is interposed between the low-temperature flat plates and the high-temperature flat plates.
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