Vented safety vessel with acoustic trap for rarefaction waves

Details Vented safety vessel with acoustic trap for rarefaction waves Vented safety vessel with acoustic trap for rarefaction waves

1987-06-12

1991-12-31

Warden, Robert J.

Chemical apparatus and process disinfecting, deodorizing, preser

Control element responsive to a sensed operating condition

Control element is fluid pressure sensitive

422117, 422295, 422310, 422312, G05D 1606

Patent

active

050770187

ABSTRACT:
An acoustical wave trap is combined with the rupture disc or relief valve used in vessels for storing potentially explosive materials. The acoustical wave trap operates to substantially reduce the magnitude of the rarefaction wave produced within the vessel when the rupture disc or relief valve opens, and thereby simplifies the pressure relief requirements.

REFERENCES:
patent: 384884 (1888-06-01), Wood
patent: 3574560 (1974-02-01), Von Strum et al.
patent: 3853484 (1974-12-01), Sudar et al.
patent: 4127384 (1978-11-01), Fahlvik et al.
patent: 4255387 (1981-03-01), Gardner
patent: 4339412 (1982-07-01), Durand et al.
patent: 4353870 (1982-10-01), Munnichs et al.
Chemical Engineers' Handbook, R. H. Perry, C. H. Chilton, 5th Edition, McGraw Hill Book Co., N.Y., p. 5-5.

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