System for dampening pulsations or oscillations in a force-balan

Details System for dampening pulsations or oscillations in a force-balan System for dampening pulsations or oscillations in a force-balan

1982-04-23

1983-11-08

Woodiel, Donald O.

Measuring and testing

Fluid pressure gauge

Null balance type

73732, G01L 704

Patent

active

044135238

ABSTRACT:
A force-balance pressure measuring instrument incorporates a fluid pressure couple. The couple constructively includes a fulcrumed beam. The primary element is connected to the force-balance beam through a proportional band adjustment having a leaf spring which is changed in effective length. At certain settings of the leaf spring in the proportional band adjustment, oscillations, or pulsations, of the fulcrumed beam are generated. A compensation beam is pivoted on the fulcrumed beam to respond to the pulsations or oscillations of the fulcrumed beam and absorb energy to reduce pulsations or oscillations.

REFERENCES:
patent: 2451425 (1948-10-01), Allwein
patent: 2980835 (1961-04-01), Williams
patent: 3045489 (1962-07-01), Brandt
patent: 3095745 (1963-07-01), Kirwan
patent: 3150526 (1964-09-01), Strimel

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