Measuring gas pump with heated and insulated pump head
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United States of America Patent
Stats
-
Mar 8, 2005
Grant Date -
Apr 24, 2003
app pub date -
Oct 19, 2002
filing date -
Apr 20, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A pump for gases to be measured having a pump housing in which a pump chamber is located. The pump chamber is sealed off by a working membrane that is connected to a crank drive by a connecting rod or similar lifting mechanism. A heating device is provided in an upper area of the pump housing, particularly in the pump head. Heat insulation covering at least the pump head is provided. The heat insulation is in the form of an insulating housing having an inner wall spaced apart from the pump head in order to form a gas insulation layer.
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