Fluid handling – Self-proportioning or correlating systems – Flow rate responsive
Patent
1992-01-27
1992-09-15
Rivell, John
Fluid handling
Self-proportioning or correlating systems
Flow rate responsive
137 681, F16K 1740
Patent
active
051469430
ABSTRACT:
A process vessel has an inlet for receiving a process fluid and an outlet for exhausting process fluid into the atmosphere should the pressure within the vessel exceed a preset limit. A pneumatic safety device positioned within such inlet shuts down the flow of process fluid into the process vessel when actuated pneumatically. A pressure-relieving device positioned within such outlet exhausts process gas into the atmosphere when the pressure within the process vessel exceeds the preset limit as established by the burst pressure level of the pressure relieving device. A pneumatic control link connects the pressure-relieving device to the pneumatic safety device. Such control link actuates the pneumatic safety device to shut-down the flow of process fluid into the process vessel in response to the exhausting of process fluid from the process vessel into the atmosphere.
REFERENCES:
patent: 762085 (1904-06-01), Ploppert
patent: 1280259 (1918-10-01), Lupinski
patent: 1872368 (1932-08-01), Vanhom
patent: 1924563 (1933-08-01), Lucke
patent: 2395357 (1946-02-01), Trawick
patent: 3023765 (1962-03-01), Gresko
McKillop Alexander J.
Mobil Oil Corporation
Rivell John
Speciale Charles J.
Wise L. G.
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