Filter elements arranged in waste tanks for separating substances which are harmful to the health from flowing air in connection with nuclear installations
US4334900A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jan 12, 1981 |
| Grant date | Jun 15, 1982 |
| Priority date | — |
| Expiry date | Jan 12, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/09
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Filter elements with changing devices and contamination protection are disclosed. The filter elements are installed in waste tanks and serve to separate substances which are prejudicial to the health when breathed and are used to process air of ventilation systems used in nuclear installations. Two series-arranged standard waste tanks having a coarse material filter layer in one tank and a suspended material filter in another tank are interconnected by a detachable cover constructed for air guidance purposes by means of a lockable, air carrying pipe closable by means of flaps for carrying the supply and spent air which are fixed in a stationary manner to inclined juxtaposed dust laden and clean air ducts with lateral connections. The waste tanks with the incorporated filters can be centrally remotely controlled from one side by lever-transmitted resilient locking systems and can be manually fitted and detached as well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.