Heatable dilation element
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United States of America Patent
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Feb 6, 2007
Grant Date -
May 20, 2004
app pub date -
Mar 4, 2002
filing date -
Mar 2, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
Expansion or elastic material working element, particularly for operating a thermostatic valve, having a housing and a movable working pin led out of the housing, the housing containing expansion material and a heating device with an electrical resistance element applied to a support. More particularly for increasing the response speed of such a device, according to the invention the support has a cavity and the resistance heating element is a heating conductor wound around the support.
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