Filter apparatus
US4459140A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 1982 |
| Grant date | Jul 10, 1984 |
| Priority date | — |
| Expiry date | Nov 8, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S55/09
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A plurality of holding tubes are respectively mounted in apertures in a partition plate fixed in a housing receiving gas contaminated with particulate material. A filter cartridge is removably held in each holding tube, and the cartridges and holding tubes are arranged so that gas passes through apertures therein and across the partition plate while particulate material is collected in the cartridges. Replacement filter cartridges are respectively held in holding canisters mounted on a support plate which can be secured to the aforesaid housing, and screws mounted on said canisters are arranged to push replacement cartridges into the cartridge holding tubes and thereby eject used cartridges therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.