Level guage apparatus

Details Level guage apparatus Level guage apparatus

1987-06-22

1988-11-22

Ro, Bentsu

Electricity: motive power systems

Automatic and/or with time-delay means

Level of fluid or granular material

73290R, 73313, G01F 2346

Patent

active

047868465

ABSTRACT:
A self-balancing type level gauge apparatus is disclosed, in which the change of a magnetic flux generated between coupling outer and inner magnet rings on the basis of a displacement between the coupling outer and inner magnet rings due to the displacement of a liquid level to be gauged is converted to an electrical signal which is used to gauge the liquid level to thereby reduce the mechanical portion which causes a mechanical friction so that the level gauge apparatus can be improved considerably in level gauging detection sensitivity.

REFERENCES:
patent: 2567823 (1951-11-01), Needham
patent: 4244219 (1981-01-01), Takalashi
patent: 4422328 (1983-12-01), Luchessa et al.

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