Pressure sensor having metallic diaphragm seal joint

Details Pressure sensor having metallic diaphragm seal joint Pressure sensor having metallic diaphragm seal joint

2005-02-01

2005-02-01

Lefkowitz, Edward (Department: 2855)

Measuring and testing

Fluid pressure gauge

Diaphragm

Reexamination Certificate

active

06848318

ABSTRACT:
A pressure sensor that is particularly suitable inter alia for the food industry and the measuring accuracy of which is stable over a long time, having a diaphragm seal (3, 45) with a separating diaphragm (7, 53) on which a pressure (P) to be measured acts and having a ceramic measuring cell (9, 57) which is connected to the diaphragm seal (3, 45) exclusively by inorganic materials, is provided, in which sensor the separating diaphragm (7, 53) and all further sensor components coming into contact during measurement with a medium of which the pressure (P) is to be measured are metallic.

REFERENCES:
patent: 4542435 (1985-09-01), Freud et al.
patent: 5212989 (1993-05-01), Kodama et al.
patent: 5656780 (1997-08-01), Park
patent: 6715356 (2004-04-01), Gerst et al.
patent: WO 9932866 (1999-07-01), None

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