Differential pressure transmission apparatus

Details Differential pressure transmission apparatus Differential pressure transmission apparatus

1987-04-10

1987-12-22

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

With protective separator

73707, 73720, G01L 1302, G01L 1306

Patent

active

047139692

ABSTRACT:
A differential pressure transmitter has a body wherein a pressure transmission passage filled with a pressure transmission medium is formed. A differential-pressure/displacement converting element is disposed in the body to partition the passage into a high-pressure side section and a low-pressure side section. A first seal port through which the transmission medium is charged into the high-pressure side section and a second seal port through which the transmission medium is charged into the low-pressure side section are formed in the body. First and second throttle members capable of being taken out through the seal ports are disposed in the high- and low-pressure side sections to throttle the sections.

REFERENCES:
patent: 3400588 (1968-09-01), O'Connor
patent: 3780588 (1973-12-01), Whitehead et al.
patent: 4527428 (1985-07-01), Shimada et al.
patent: 4665753 (1987-05-01), Bertrand
Automation, vol. 19, No. 12, pp. 18-21, Saatu Denoki to Sono Genri-Henkankiko; Ichiro Kimura; 1974; Japan.

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