Probe for sensing a physical quantity

Details Probe for sensing a physical quantity Probe for sensing a physical quantity

2005-05-10

2005-05-10

Williams, Hezron (Department: 2856)

Measuring and testing

Liquid level or depth gauge

Immersible electrode type

Reexamination Certificate

active

06889548

ABSTRACT:
A probe is described, that complies to high standards of hygiene, comprising: a process connection, a metal rod comprising a first end of the rod connected to the process connection, a first gasket provided between the process connection and the rod forming a seal between the rod and the process connection, and a cylinder, which is located between the process connection and the rod, which is surrounded by the first gasket, and which defines a minimal distance between the process connection and the rod, the minimal distance ensuring a defined compression force exerted on the first gasket.

REFERENCES:
patent: 2455982 (1948-12-01), Dowty
patent: 2783295 (1957-02-01), Ewing
patent: 3812910 (1974-05-01), Wellstein
patent: 4037654 (1977-07-01), Lien
patent: 4042020 (1977-08-01), Wellstein
patent: 4056144 (1977-11-01), Wellstein
patent: 4507521 (1985-03-01), Goellner
patent: RE31974 (1985-08-01), Brownlee

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