Electromagnetically compensated balance or dynamometer

Details Electromagnetically compensated balance or dynamometer Electromagnetically compensated balance or dynamometer

1976-03-05

1977-01-25

Myracle, Jerry W.

Measuring and testing

Volumetric content measuring

310 13, G01L 100

Patent

active

040044580

ABSTRACT:
A balance or dynamometer which comprises a coil in the work gap of an eleomagnet having a core provided with discrete groups of turns, the number of ampere turns in the groups of turns corresponding to the sequence or code values of a preselector code, the coil and electromagnet being disturbed from a predetermined position relative to each other under the influence of a force; such disturbance being recorded by a position indicator connected to the input of a forward/backward counter; means for arranging that the number registered in the counter at any one time connects an associated number of groups of turns to a constant current source connected to the coil; the coil and electromagnet returning to said predetermined position when the counter has connected an appropriate number of groups of turns to the constant current source to compensate for the disturbing force.

REFERENCES:
patent: 3372579 (1968-03-01), Hobel et al.
patent: 3551790 (1970-12-01), Shapiro et al.

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