Method for automated detection of leaks in a discharge check val

Details Method for automated detection of leaks in a discharge check val Method for automated detection of leaks in a discharge check val

1999-01-19

2000-08-08

Tanner, Harry B.

Refrigeration

With indicator or tester

Operatively correlated with automatic control

62129, F25B 4902

Patent

active

060984120

ABSTRACT:
A method is provided for determining whether leaks are present in a discharge check valve of a refrigeration system. The method includes steps of establishing a pressure difference between a high pressure side and a low pressure side of the refrigeration system, temporarily stopping compression of a refrigerant, allowing the refrigerant to flow to the low-pressure sides, and then determining the discharge pressure changes with time.

REFERENCES:
patent: 4862698 (1989-09-01), Morgan et al.
patent: 5140825 (1992-08-01), Hanson et al.
patent: 5172561 (1992-12-01), Hanson et al.
patent: 5186014 (1993-02-01), Runk
patent: 5560213 (1996-10-01), Wieszt
patent: 5713213 (1998-02-01), Nobuta et al.

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