Differential pressure transmitter, a square root extracting devi

Details Differential pressure transmitter, a square root extracting devi Differential pressure transmitter, a square root extracting devi

1989-01-13

1990-05-22

Myracle, Jerry W.

Measuring and testing

Volume or rate of flow

Using differential pressure

G01F 146

Patent

active

049266977

ABSTRACT:
A differential pressure transmitter, a pneumatically operated square root extracting device therefor and methods of making the same are provided, the transmitter having a rod operatively interconnecting a movable wall with a cam roller to cause the roller to roll on a flat surface as the value of the pressure in an output chamber defined by the movable wall changes, the rod and the movable wall respectively having universal joint units snap-fitted together to provide for universal movement therebetween while movement of the wall causes the roller to roll.

REFERENCES:
patent: 2672151 (1954-03-01), Newbold
patent: 2992559 (1961-07-01), Martz et al.
patent: 3006190 (1961-10-01), Jansson
patent: 4384492 (1983-05-01), Kreuter
patent: 4833924 (1989-05-01), Asbill, III

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