Pipe joints or couplings – End to side or plate
Patent
1989-09-29
1991-02-19
Nicholson, Eric K.
Pipe joints or couplings
End to side or plate
73706, 285155, F16L 2300
Patent
active
049937545
ABSTRACT:
An adapter for coupling a pressure transmitter to a vessel or tank carrying a liquid therein that establishes a hydrostatic pressure at a flanged opening has a planar surface that includes two spaced apart pressure ports that are aligned with and will mate with the isolator input ports of a differential pressure transmitter. The pressure ports are arranged so that the transmitter can be mounted very close to a side wall of the vessel or tank, with the hydrostatic pressure sensing port positioned closest to the vessel to eliminate errors caused by tilting of the adapter and transmitter from bulges that may occur in the vessel or tank side wall. Additionally, the adapter planar surface mounts the transmitter facing sideways, where the transmitter can be quite easily serviced, replaced, or examined.
REFERENCES:
patent: 1800839 (1931-04-01), Lewin
patent: 3479865 (1969-11-01), Sonnenberg et al.
patent: 3760842 (1973-09-01), Mikiya
patent: 4201081 (1980-05-01), Bonomo
patent: 4722228 (1988-02-01), Awa et al.
patent: 4745810 (1988-05-01), Pierce et al.
patent: 4798089 (1988-01-01), Frick et al.
patent: 4833922 (1989-05-01), Frick et al.
Brochure of "Model 1151LLT Alphaline Flange Mounted Liquid Level Transmitter", published Sep. 1983, entitled Drawings and Schematics.
Data Sheet Entitled, "Model 1151DP/GP and Model 1144G Transmitters".
Nicholson Eric K.
Rosemount Inc.
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