Measuring and testing – Gas analysis – Gas of combustion
Reexamination Certificate
2007-05-01
2007-05-01
Cygan, Michael (Department: 2855)
Measuring and testing
Gas analysis
Gas of combustion
C073S023320, C204S242000, C204S428000
Reexamination Certificate
active
10871221
ABSTRACT:
A detecting element is described, in particular a gas sensor for detecting the concentration of a gas component in a measuring gas, including a sensor element which is exposable to the measuring gas and has a connecting end section which is contacted by connecting cables and is exposed to a reference gas atmosphere. The end section is accommodated in a protective sleeve having a radial opening over which a gas-permeable diaphragm covering the at least one radial opening is provided, the diaphragm, in turn, being engaged by a clamping sleeve having at least one radial opening. To avoid the axial penetration of liquids between the clamping sleeve and the diaphragm, which would cause the detecting element to malfunction, the clamping sleeve is caulked axially above and below the radial openings. Both caulking zones are designed in such a way that the diaphragm is compressed with increasing force from the inner caulking edges facing each other to the outer caulking edges facing away from each other.
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Berger Lars
Dettling Peter
Liebler Michael
Maier Rainer
Weyl Helmut
Cygan Michael
Kenyon & Kenyon LLP
Robert & Bosch GmbH
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