Modular transmitter

Details Modular transmitter Modular transmitter

1987-06-01

1989-05-30

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Mounting and connection

73706, 73717, G01L 708, G01L 900, G01L 1302

Patent

active

048339229

ABSTRACT:
A transmitter provides an output that is indicative of pressure and has two modular transmitter bodies, one including a sensor, and the other having an isolator diaphragm with a substantially non-compressible fluid that transfers movement of the isolator diaphragm to the sensor. The bodies each have mating passageways to transfer non-compressible fluid from one body to the other and are assembled together using a ring of extrusile material disposed around the mating portions of the passageways to seal the passageways together when the transmitter bodies are assembled. The isolation fluid is filled in the passageway of the bodies before the first and second transmitter bodies are assembled. The assembly can be accomplished without complex procedures and still insure that accurate transmitter operation will be obtained.

REFERENCES:
patent: 2841984 (1958-07-01), Green
patent: 3853007 (1974-12-01), Jaquith
patent: 4370890 (1983-02-01), Frick

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