Apparatus for indicating cylinder fluid level

Details Apparatus for indicating cylinder fluid level Apparatus for indicating cylinder fluid level

1974-07-03

1976-06-22

Tolin, Gerald P.

Electricity: circuit makers and breakers

Fluid pressure

Piston

200 819M, 340240, H01H 3538

Patent

active

039653170

ABSTRACT:
A hydro-pneumatic accumulator of the type in which a piston slidable within a cylinder separates a liquid and a gas under pressure, is provided with an end closure of a non-magnetic material within which closure is provided a magnetically actuated switch. Movement of the piston causes a permanent magnet to be moved relative to the switch whereby movement of the magnet into the actuating range of the switch causes the switch to be actuated and an indication of the level of the liquid in the accumulator to be provided.

REFERENCES:
patent: 3042771 (1962-07-01), Oliveau
patent: 3098500 (1963-07-01), Gruber
patent: 3113189 (1963-12-01), Parwancher
patent: 3327079 (1967-06-01), Widl
patent: 3366758 (1968-01-01), Bentzen et al.
patent: 3510607 (1970-05-01), Breed et al.
patent: 3611220 (1971-10-01), Hoffman
Multiconfiguration Pressure Switch, Bolan, vol. 8, No. 7, Dec. 65, p. 954.

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