Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Leonore Schwegler0
Markus Siebert0
Michael Kupzig0
Petra Kuschel0
Rainer Mueller0
Thomas Egner0
Thomas Schulte0
Uwe Glanz0
...
Date of Patent
August 21, 2007
0Patent Application Number
104447590
Date Filed
May 23, 2003
0Patent Primary Examiner
Patent abstract
A gas sensor is for determining at least one physical quantity of a gas, e.g., an exhaust gas of an internal combustion engine, the gas sensor having a sensor element that is fixed in a housing of the gas sensor by a seal assembly. The seal assembly includes a sealing element, which has a ceramic and/or a metallic material. After the heat treatment, the sealing element has a maximum decrease in volume of 5 percent, or an increase in volume, based on the volume of the sealing element prior to the heat treatment.
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