Leak detector

Details Leak detector Leak detector

1982-01-18

1984-06-12

Goldberg, Gerald

Measuring and testing

With fluid pressure

Leakage

73293, 73313, G01M 338, G01F 2310

Patent

active

044534000

ABSTRACT:
An apparatus for detecting small changes in the location of a float, has, in combination, a signal generator for emitting a signal having a characteristic, a detector for detecting a modulated signal by producing a response signal directly related to the characteristic, a support for positioning the signal generator and the detector, and a float weighted to float at a desired depth in a selected liquid. Also included are a reservoir for holding a measuring medium, a plug for preventing condensation of vapors within the float, with the float movably connectable to the support, and the detector and the signal generator fixedly connectable to the support so that the signal when emitted by the signal generator will have the characteristic of the signal modulated by the measuring medium by an amount which varies with changes in location of the float to produce a modulated signal.

REFERENCES:
patent: 2657577 (1953-11-01), Falk
patent: 3805613 (1974-04-01), Stone

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