Linearization of column-type load cell

Details Linearization of column-type load cell Linearization of column-type load cell

1986-10-24

1988-03-29

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to force

338 5, G01L 122

Patent

active

047335718

ABSTRACT:
Column-type load cells having recessed portions on opposite sides to receive strain gauges mounted on the web in the recesses for more linear response are improved by reduced cross sections off each end of the recesses, and/or by flexures off each end, with adjustment of the diameter of the reduced diameter portions and the distances of the flexures from the recesses to adjust the linearization effect of the recesses. Diaphragms arranged either at one end or both ends are used to support a tube cover. Utilizing two diaphragms, one at each end of a tube cover has been found to improve linearization even without reduced cross sections and/or flexures.

REFERENCES:
patent: 2576417 (1951-11-01), Ruge
patent: 2775887 (1957-01-01), Hines
patent: 2984102 (1961-05-01), Soderholm
patent: 3621927 (1971-11-01), Ormond
patent: 3680372 (1972-08-01), Ormond
patent: 3965734 (1976-06-01), Ward et al.
patent: 4589291 (1986-05-01), Sander

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