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US 11,248,941 B2Granted
Method for manufacturing a sensor of a thermal, flow measuring device for measuring mass flow of a medium in a measuring tube
AssigneeEndress + Hauser Flowtec AG
InventorsHanno Schultheis, Alexander Grün, Stephan Gaberthüel
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Abstract
The present disclosure relates to a method for manufacturing a sensor for a thermal, flow measuring device. The method includes, in such case, manufacturing a metal jacketing for a sensor core, introducing the sensor core into the metal jacketing and sintering the metal jacketing with introduced sensor core.
Claims6
A method for manufacturing a sensor of a thermal, flow measuring device for measuring mass flow of a medium in a measuring tube, the method comprising:
- manufacturing a metal jacketing using a metal powder injection molding method, wherein the jacketing has a first blind hole, an open first end, and a closed second end;
- introducing a sensor core into the first blind hole of the jacketing through the open first end, wherein the jacketing completely encloses the sensor core;
- and
- sintering the jacketing such that, after sintering, a releasing of the sensor core from the jacketing requires a tensile force of at least 1 Newton,
- wherein the sensor core includes:
- a ceramic core having a lateral surface;
- a metal wire wound around the lateral surface of the ceramic core;
- and
- an electrically insulating layer adapted to insulate the metal wire electrically from the jacketing.
6 more elements
Dependencies are inferred from the claim text.