DE4021977C2 - - Google Patents
Info
- Publication number
- DE4021977C2 DE4021977C2 DE19904021977 DE4021977A DE4021977C2 DE 4021977 C2 DE4021977 C2 DE 4021977C2 DE 19904021977 DE19904021977 DE 19904021977 DE 4021977 A DE4021977 A DE 4021977A DE 4021977 C2 DE4021977 C2 DE 4021977C2
- Authority
- DE
- Germany
- Prior art keywords
- holder
- gas
- gas flow
- filter
- ribs
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000012528 membrane Substances 0.000 claims description 66
- 238000009434 installation Methods 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 239000000706 filtrate Substances 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 10
- 238000005192 partition Methods 0.000 claims description 9
- 230000004927 fusion Effects 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 229920003002 synthetic resin Polymers 0.000 claims description 2
- 239000000057 synthetic resin Substances 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 57
- 238000001914 filtration Methods 0.000 description 12
- 238000003466 welding Methods 0.000 description 10
- 239000007788 liquid Substances 0.000 description 8
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000002904 solvent Substances 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/20—Shape of filtering material
- B01D2275/202—Disc-shaped filter elements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18135389 | 1989-07-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE4021977A1 DE4021977A1 (de) | 1991-01-24 |
| DE4021977C2 true DE4021977C2 (enrdf_load_stackoverflow) | 1993-03-04 |
Family
ID=16099231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19904021977 Granted DE4021977A1 (de) | 1989-07-11 | 1990-07-11 | Gasfilterelement |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE4021977A1 (enrdf_load_stackoverflow) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4501663A (en) * | 1979-11-05 | 1985-02-26 | Millipore Corporation | Filter cartridges and methods and components for making them |
-
1990
- 1990-07-11 DE DE19904021977 patent/DE4021977A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE4021977A1 (de) | 1991-01-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |