Refrigeration – Processes
Patent
1996-07-08
1997-10-07
Sollecito, John M.
Refrigeration
Processes
62174, 62149, 622281, F25D 2900
Patent
active
056735634
ABSTRACT:
The present invention relates to a pressure relief system that utilizes fluid released from a pressure relief valve to activate a sensor. In one form of the present invention a relatively confined passageway is in fluid communication with a reseatable pressure relief valve for protecting a condenser from overpressurization. The pressure relief valve allowing the release of fluid into the passageway at pressures below the overpressure threshold protection value of the valve. The released fluid is accumulated in the passageway and sensed by a sensor. Further, upon the pressure in the relatively confined passageway exceeding a predetermined value the passageway is vented to the environment.
REFERENCES:
patent: 3187135 (1965-06-01), Singer
patent: 3256398 (1966-06-01), Snider
patent: 3618628 (1971-11-01), Krumer
patent: 4365124 (1982-12-01), Robinson
patent: 4418548 (1983-12-01), Sawyer
patent: 5259204 (1993-11-01), McKeown
patent: 5361592 (1994-11-01), Lewis
Henry Valve & Subsidiaries Tech Tips, entitled "Isolate Expensive, Potentially Damaging Refrigerants with Henry Valve Sentry Rupture Disc Assembly".
Albertson Luther D.
Key Mark B.
Key Walter R.
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