Explosion suppression device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 1, 1991
Grant Date -
N/A
app pub date -
Apr 4, 1990
filing date -
Apr 4, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for suppressing explosions that may occur in process enclosures such as those for handling of grain, manufacture of pharmaceuticals and similar processes. The unit includes a cylindrical housing having one end thereof communicating with the process area and the opposite end thereof communicating with a pressure vessel, with a fire retardant containing canister slidably arranged therebetween and a valving member in sealing position against the pressure vessel. The canister is in controlling position to open the valving member, under the action of and purposely dependent upon a predetermined level of pressure increase within the process area, and thus to release pressure from the pressure vessel. The canister includes a detonating device which will cause explosion of the canister simultaneously with release of the pressure and dependent upon release of the pressure from the vessel. Detonation of the canister combined with the release of pressure from the vessel results in rapid and complete dispersal of the suppressant substance into the process area. The device operates independent of any electrical apparatus so as to form a self contained and intrinsically safe unit.
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