Bi-planar differential pressure transmitter with orthogonal...

Details Bi-planar differential pressure transmitter with orthogonal... Bi-planar differential pressure transmitter with orthogonal...

2005-07-19

2005-07-19

Oen, William (Department: 2855)

Measuring and testing

Fluid pressure gauge

With protective separator

Reexamination Certificate

active

06918303

ABSTRACT:
A pressure transmitter apparatus includes a unitary body with two, normally vertical pressure passageways communicating respectively between opposed pressure openings extending normally horizontally through the body portion. A transducer for generating a differential pressure signal mounts on a transducer mounting element, coupled to the body portion and located above the pressure passageways. A pair of diaphragm elements can form first and second process diaphragms, closing first and second pressure openings. Flange elements overlie the diaphragm elements and are removably and replaceably secured to the body portion, having liquid drainage and gas purging passageways. A flame retardation element can be disposed within at least one of the pressure passageways. An overrange protection element can be integrally arranged with the unitary body portion to protect the transducer from overrange pressure fluctuations. Extensions on the flange elements afford a variety of mounting options, including mounting to industry standard pipe mountings.

REFERENCES:
patent: 5469749 (1995-11-01), Shimada et al.
patent: 6038927 (2000-03-01), Karas
patent: 6279401 (2001-08-01), Karas
patent: 6484587 (2002-11-01), Gul

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