Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Thorsten Knittel0
Stephen Setescak0
Date of Patent
May 30, 2017
0Patent Application Number
144377440
Date Filed
September 24, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An air mass sensor includes a microelectromechanical-type sensor element having a heating element. A first temperature sensor element is arranged on the sensor element upstream of the heating element, and a second temperature sensor element is arranged on the sensor element downstream of the heating element. The first temperature sensor element has a first width and a first length, and the second temperature sensor element has a second width and a second length. To eliminate or closely limit false measurement results due to the presence of dirt on the sensor element, the first width of the first temperature sensor element is greater than the second width of the second temperature sensor element.
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