FR548607A - Improvements to air filters - Google Patents
Improvements to air filtersInfo
- Publication number
- FR548607A FR548607A FR548607DA FR548607A FR 548607 A FR548607 A FR 548607A FR 548607D A FR548607D A FR 548607DA FR 548607 A FR548607 A FR 548607A
- Authority
- FR
- France
- Prior art keywords
- air filters
- filters
- air
- 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
Links
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
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR548607T | 1921-07-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR548607A true FR548607A (en) | 1923-01-19 |
Family
ID=8934949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR548607D Expired FR548607A (en) | 1921-07-15 | 1921-07-15 | Improvements to air filters |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR548607A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4708724A (en) * | 1986-05-12 | 1987-11-24 | Gertrude B. F. Agnew | High efficiency particulate air filter and separators, therefor |
EP0317674A2 (en) * | 1987-11-10 | 1989-05-31 | Agnew, Gertrude Bertha Flore | High efficiency particulate air filter and spacer therefor |
-
1921
- 1921-07-15 FR FR548607D patent/FR548607A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4708724A (en) * | 1986-05-12 | 1987-11-24 | Gertrude B. F. Agnew | High efficiency particulate air filter and separators, therefor |
EP0317674A2 (en) * | 1987-11-10 | 1989-05-31 | Agnew, Gertrude Bertha Flore | High efficiency particulate air filter and spacer therefor |
EP0317674A3 (en) * | 1987-11-10 | 1990-05-16 | Agnew, Gertrude Bertha Flore | High efficiency particulate air filter and spacer therefor |
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