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Hankuk University of Foreign Studies Research & In
| Hankuk University of Foreign Studies Research & In Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20090173393 | PRESSURE RELIEF DEVICE - The invention relates to a device for internal pressure relief of a pig movable through a pipeline and/or some other pressure-tight sealed working implement introduced into an external pressure medium and having a pressure relief valve. To increase the classification for operational reliability, it is proposed that at least one rupture disk be placed downstream of the pressure relief valve in the pressure relief direction. | 07-09-2009 |