Vacuum measuring cell device having a heater

Details Vacuum measuring cell device having a heater Vacuum measuring cell device having a heater

2011-05-24

2011-05-24

Allen, Andre J (Department: 2855)

Measuring and testing

Fluid pressure gauge

With protective separator

C073S718000, C073S724000

Reexamination Certificate

active

07946178

ABSTRACT:
The invention relates to a vacuum measuring cell device comprising a vacuum membrane measuring cell (8) having a connecting means (5, 6) arranged thereon for a communicating connection to the medium to be measured, an electronic system (34), which is electrically connected to the vacuum membrane measuring cell (8), and also comprising a heating arrangement (20, 21) for heating the vacuum membrane measuring cell (8) to a predefinable temperature value, wherein the heating arrangement (20, 21) substantially encloses the entire vacuum membrane measuring cell (8) such that said cell forms a thermal container (20). Said container constitutes a thermal body (20a) in the area of the connecting means (5, 6) and connecting means (6) are guided through it, the connecting means thereby being thermally contacted at least in some areas by the thermal body. The thermal container (20a) comprises a heating source (21) for the heating thereof. The thermal container (20) is substantially entirely enclosed by an insulating shell (22).

REFERENCES:
patent: 6591687 (2003-07-01), Bjoerkman et al.
patent: 2003/0118802 (2003-06-01), Bjoerkman
patent: 2007/0120568 (2007-05-01), Bjorkman et al.
patent: 2008/0110269 (2008-05-01), Strietzel et al.
patent: 2008/0307890 (2008-12-01), Wuest
patent: 2009/0158853 (2009-06-01), Berner et al.
patent: 2009/0320605 (2009-12-01), Antila et al.
patent: 2010/0146771 (2010-06-01), Bertsch et al.

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