Gas detector and method for refrigeration systems

Details Gas detector and method for refrigeration systems Gas detector and method for refrigeration systems

1989-08-30

1990-09-25

Tanner, Harry B.

Refrigeration

With indicator or tester

Condition sensing

62 77, 62292, 7386141, G01F 1300

Patent

active

049585037

ABSTRACT:
Device and method for detecting the presence of gas in refrigeration systems and other evacuated systems. The exhaust from a vacuum pump connected to the system is passed through a gas detector having a reservoir of liquid in which bubbling can be observed. The exhaust is normally discharged through a discharge opening in the detector. The opening is blocked with the hand to divert the exhaust from the vacuum pump into the liquid to produce bubbling in the liquid in the event that any gas is present in the exhaust.

REFERENCES:
patent: 1639986 (1927-08-01), Conner
patent: 2074950 (1937-03-01), Wallace et al.
patent: 2202010 (1940-05-01), Kondolf
patent: 2594668 (1952-04-01), Mannal
patent: 3996765 (1976-12-01), Mullins
patent: 4470265 (1984-09-01), Correia
patent: 4597716 (1986-07-01), Evenson

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