ATE19554T1 - Verfahren und apparat zum ueberpruefen der leckage von filtern. - Google Patents
Verfahren und apparat zum ueberpruefen der leckage von filtern.Info
- Publication number
- ATE19554T1 ATE19554T1 AT80900534T AT80900534T ATE19554T1 AT E19554 T1 ATE19554 T1 AT E19554T1 AT 80900534 T AT80900534 T AT 80900534T AT 80900534 T AT80900534 T AT 80900534T AT E19554 T1 ATE19554 T1 AT E19554T1
- Authority
- AT
- Austria
- Prior art keywords
- filter
- airstream
- particles
- dop
- upstream
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
- B01D2273/18—Testing of filters, filter elements, sealings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Sampling And Sample Adjustment (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1728979A | 1979-03-05 | 1979-03-05 | |
PCT/US1980/000189 WO1980001952A1 (en) | 1979-03-05 | 1980-02-27 | Method and apparatus for the leak testing of filters |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE19554T1 true ATE19554T1 (de) | 1986-05-15 |
Family
ID=21781779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT80900534T ATE19554T1 (de) | 1979-03-05 | 1980-02-27 | Verfahren und apparat zum ueberpruefen der leckage von filtern. |
Country Status (7)
Country | Link |
---|---|
EP (2) | EP0150266A3 (de) |
JP (1) | JPS56500507A (de) |
AT (1) | ATE19554T1 (de) |
CA (1) | CA1144087A (de) |
DE (1) | DE3071580D1 (de) |
MX (1) | MX7475E (de) |
WO (1) | WO1980001952A1 (de) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4715213A (en) * | 1986-03-13 | 1987-12-29 | General Electric Company | Flow measurement system |
KR100213437B1 (ko) * | 1997-04-17 | 1999-08-02 | 윤종용 | 방진원단의 여과효율 측정장치 및 그 측정방법 |
US6327893B1 (en) * | 1999-12-07 | 2001-12-11 | Aaf Mcquay | Filter layer comparative testing method and apparatus |
GB2362841A (en) * | 2000-06-03 | 2001-12-05 | Secr Defence | Method and apparatus for testing filters |
FR2935800B1 (fr) * | 2008-09-09 | 2010-11-19 | R & I Alliance | Procede et dispositif de detection de fuites dans une conduite de liquide souterraine, notamment une conduite d'eau |
CN116858436B (zh) * | 2023-09-04 | 2023-11-28 | 常州宝捷电机制造有限公司 | 电机检测用密封性检测装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2297082A (en) * | 1940-12-13 | 1942-09-29 | Grover J Hornsby | Valve |
US2699287A (en) * | 1952-11-06 | 1955-01-11 | W B Connor Engineering Corp | Air purifying and circulating device |
US3185181A (en) * | 1962-12-13 | 1965-05-25 | Cottrell Res Inc | Diffuser swirl eliminator |
US3323437A (en) * | 1965-08-20 | 1967-06-06 | Weber Showcase & Fixture Co | Filter system |
US3395514A (en) * | 1965-10-27 | 1968-08-06 | Mine Safety Appliances Co | Filter testing system and method |
US3519024A (en) * | 1966-01-06 | 1970-07-07 | Gen Electric | Device for the prepatterned control of flow distribution in fluid flow experiencing a change in area and/or direction |
US3385036A (en) * | 1966-09-06 | 1968-05-28 | Nasa Usa | Portable superclean air column device |
US3522724A (en) * | 1968-03-29 | 1970-08-04 | Kidde & Co Walter | Method and apparatus for testing clean room filtration efficiency |
US3614421A (en) * | 1968-12-12 | 1971-10-19 | Gen Electric | Ambient radioactivity air filter tester using a track-registration material |
US3865561A (en) * | 1971-05-03 | 1975-02-11 | Jack S Osborn | Selective plugging of filter elements |
US3712114A (en) * | 1971-05-03 | 1973-01-23 | J Osborn | Dust bag quality testing system |
US3749130A (en) * | 1971-05-25 | 1973-07-31 | Corning Glass Works | Flow deflector for exhaust gases |
US3782884A (en) * | 1972-05-09 | 1974-01-01 | Standard Oil Co | Acid gas burner |
US3949594A (en) * | 1974-09-25 | 1976-04-13 | The United States Of America As Represented By The Secretary Of Interior | Two-stage disposable particle sampling head |
US4055075A (en) * | 1976-04-08 | 1977-10-25 | Flanders Filters, Inc. | Method and apparatus for the leak testing of filters |
-
1980
- 1980-02-27 AT AT80900534T patent/ATE19554T1/de not_active IP Right Cessation
- 1980-02-27 WO PCT/US1980/000189 patent/WO1980001952A1/en active IP Right Grant
- 1980-02-27 DE DE8080900534T patent/DE3071580D1/de not_active Expired
- 1980-02-27 EP EP84111200A patent/EP0150266A3/de not_active Ceased
- 1980-02-27 EP EP80900534A patent/EP0024421B1/de not_active Expired
- 1980-02-27 JP JP50068780A patent/JPS56500507A/ja active Pending
- 1980-03-05 CA CA000347061A patent/CA1144087A/en not_active Expired
- 1980-03-05 MX MX808682U patent/MX7475E/es unknown
Also Published As
Publication number | Publication date |
---|---|
CA1144087A (en) | 1983-04-05 |
JPS56500507A (de) | 1981-04-16 |
EP0150266A2 (de) | 1985-08-07 |
EP0024421A4 (de) | 1981-10-13 |
DE3071580D1 (en) | 1986-06-05 |
WO1980001952A1 (en) | 1980-09-18 |
EP0024421A1 (de) | 1981-03-11 |
MX7475E (es) | 1989-02-27 |
EP0024421B1 (de) | 1986-04-30 |
EP0150266A3 (de) | 1985-08-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |