Measuring and testing – Fluid pressure gauge – Diaphragm
Reexamination Certificate
2006-05-09
2006-05-09
Noori, Max (Department: 2855)
Measuring and testing
Fluid pressure gauge
Diaphragm
Reexamination Certificate
active
07040174
ABSTRACT:
The pressure cell device according to the invention serves for measuring hydraulic pressures in hydraulic mining devices in an inherently secure service region. It is provided with a connection element which can be connected to a pressure reception connection and with a sensor housing, on the inside of which is arranged a hydroelectric pressure transducer which is pressurised by the hydraulic pressure present at the pressure reception connection and converts this into an electrical signal. So as to ensure high measurement accuracy over a long operating period, without it being necessary to have exchanges of the pressure transducer or its new calibration, it is provided according to the invention that the pressure transducer comprises a ceramic pressure measuring cell.
REFERENCES:
patent: 4888662 (1989-12-01), Bishop
patent: 4934193 (1990-06-01), Hayata
patent: 5535629 (1996-07-01), Gerdes et al.
patent: 5665921 (1997-09-01), Gerst et al.
patent: 6561037 (2003-05-01), Bohler et al.
patent: 6612177 (2003-09-01), Boehler et al.
patent: 6871546 (2005-03-01), Scheurich et al.
patent: 3937573 (1991-05-01), None
patent: 29615134 (1996-12-01), None
Frank Reiner
Mundry Sebastian M.
Titschert Jens
Tschöpe Jürgen
DBT Automation GmbH
Fay Sharpe Fagan Minnich & McKee LLP
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