Accumulator condition indicator with spring biasing to indicate

Details Accumulator condition indicator with spring biasing to indicate Accumulator condition indicator with spring biasing to indicate

1980-05-13

1982-10-19

Strecker, Gerard R.

Electricity: measuring and testing

Magnetic

Displacement

73745, 340614, 324225, G01B 714, G01N 2772, G01R 3300

Patent

active

043552803

ABSTRACT:
An accumulator fluid indicator useful to measure the linear displacement of a piston without the use of a dynamic seal. A Hall Effect sensor mounted on the outer surface of the accumulator is used to sense the piston location while isolated from the fluid flow. Temperature and pressure sensors may be used to supplement the accuracy of the position indicator by compensating for errors due to changes in temperature or pressure applied to the pressurant.

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patent: 3575054 (1971-04-01), Glista
patent: 3648155 (1972-03-01), Soehner
patent: 3867844 (1975-02-01), Shimizu et al.
patent: 3965317 (1976-06-01), Gratzmuller

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