Optical leak sensor and position detector

Details Optical leak sensor and position detector Optical leak sensor and position detector

1992-06-15

1994-09-06

Williams, Hezron E.

Measuring and testing

With fluid pressure

Leakage

G01M 304

Patent

active

053437365

ABSTRACT:
Optical leak sensor and position detector including a generally hollow body having a sealed forward end that is designed to be mounted in an opening formed within a fluid handling device such as a pump or valve. Disposed within the hollow body of the sensor are a liquid leak detection optical system and a motion sensing optical system. In the preferred embodiment, the optical sensing systems are removably engaged within the hollow body, such that the hollow body can remain inserted within the fluid handling device, whereby the device can remain operational and the optical components can be removed, checked and replaced if need be.

REFERENCES:
patent: 4569220 (1986-02-01), Hopfe et al.
patent: 4602249 (1986-07-01), Abbott
patent: 4745293 (1988-05-01), Christensen
patent: 4764671 (1988-08-01), Park
patent: 4899585 (1990-02-01), Kulha
patent: 4901751 (1990-02-01), Story et al.
patent: 4932388 (1990-06-01), Chiba et al.
patent: 4961069 (1990-10-01), Tsaprazis
patent: 5062770 (1991-11-01), Story et al.

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