Refrigerant liquid indicator

Details Refrigerant liquid indicator Refrigerant liquid indicator

1976-05-03

1977-12-27

Yasich, Daniel M.

Signals and indicators

Alarms

Fluid flow

62125, 350319, F25B 4900, G02B 700

Patent

active

040648265

ABSTRACT:
A sight glass device for liquid line is provided which clearly demonstrates to an observer the state of the fluid in the line, and which magnifies even small bubbles of gas. The device includes a reflector surface separated from a convex lens by a fluid sight chamber. The optical effect of the lens, fluid and reflective surface is such that full, partially full, and gas bubbles all give distinctive and different visual indications to the observer.

REFERENCES:
patent: 821872 (1906-05-01), Hodges et al.
patent: 2600148 (1952-06-01), Wittlin
patent: 2933060 (1960-04-01), Yocum
patent: 3142287 (1964-07-01), Jones
patent: 3525231 (1970-08-01), Armstrong
Publ. "Kimballs College Textbook of Physics", by Waterman, 1954, pp. 739-743, NY Henry Holt & Co., Publishers (Sixth Edition).

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