US Patent 7644613 Flow detector device with self check
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Patent abstract
A thermal flow sensor is equipped with a self-test unit that monitors the device and generates a fault signal in the presence of a malfunction. The self-test unit can e.g. monitor the integrity of a membrane carrying the heater and temperature sensors, or it can monitor various operational parameters of the device, thereby increasing the safety of the device.
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Patent Inventor Names
Felix Mayer0
Marc von Waldkirch0
Marcel Plüss0
Mark Hornung0
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US Patent 07644613 Flow detector device with self check US Patent 7644613 Flow detector device with self check
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Patent Number
07644613
Patent Number
7644613
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US Patent 07644613 Flow detector device with self check
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Is a
Patent jurisdiction
Patent number
07644613
Date of patent
January 12, 2010
Patent application number
12009679
Date Filed
January 21, 2008
Patent primary examiner
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