Welded header for pressure transmitter

Details Welded header for pressure transmitter Welded header for pressure transmitter

2007-03-15

2008-12-02

Allen, Andre J (Department: 2855)

Measuring and testing

Fluid pressure gauge

Mounting and connection

C073S745000

Reexamination Certificate

active

07458275

ABSTRACT:
A pressure transmitter comprises a metal wall separating a process pressure chamber from an electronics compartment. The metal wall has a stepped bore with a bore shelf facing the process pressure chamber. A metal header has a stepped outer rim with a header shelf that contacts the bore shelf. The metal header includes at least one electrical feedthrough with a glass-to-metal seal adjacent the stepped outer rim. A welded seal seals the stepped outer rim to the stepped bore.

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Notification of Transmittal of the International Search Report and the Written Opinion for PCT/US2008/002849, dated Sep. 22, 2008.

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