GB1119623A - An apparatus for checking filtering cartridges - Google Patents
An apparatus for checking filtering cartridgesInfo
- Publication number
- GB1119623A GB1119623A GB156167A GB156167A GB1119623A GB 1119623 A GB1119623 A GB 1119623A GB 156167 A GB156167 A GB 156167A GB 156167 A GB156167 A GB 156167A GB 1119623 A GB1119623 A GB 1119623A
- Authority
- GB
- United Kingdom
- Prior art keywords
- paper
- cartridge
- generator
- heater
- section
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B27/00—Methods or devices for testing respiratory or breathing apparatus for high altitudes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0095—Preparation of aerosols
Abstract
1,119,623. Testing filter cartridges. COMMISSARIAT A L'ENERGIE ATOMIQUE. 11 Jan., 1967 [11 Jan., 1966], No. 1561/67. Heading BIT. An air filtering cartridge 16 is tested for leakes by clamping it between an aerosol generator 6 and a section of detector paper 14, the generator comprising a heater 34 which sublimates a red diazo dye from an impregnated paper disc 36, the dye entering an air stream drawn from duct 27 through the cartridge by suction applied to conduit 42 below the paper 14. The air stream is guided by cone 46 on to a section of paper enclosed by seal 64, and a coloured patch appears on a part of the paper corresponding to the position of any hole in the cartridge filter. Ring 44 is normally raised by stops (60) (Fig. 3, not shown), but is lowered to clamp a section of Lowered by handle (8) and attached levers paper 14 on grid 56 when generator 6 is (Figs. 1, 4, not shown) on to cartridge 16. This lowering closes a switch (68) to initiate the suction. Generator 6 carries discs 36 in grids 32, 33 in a slideway 28, and heater 34 is switched on by switch 92 as either grid moves into place below the heater. Cartridge 16 screws into ring 44. Connections 29, 54, 91 to pressure gauges enable seals to be checked. Paper 14 is supplied from a magazine roll below table 2 to a friction drive mechanism. (12) under cone 46.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR45443A FR1474831A (en) | 1966-01-11 | 1966-01-11 | Filter cartridge tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1119623A true GB1119623A (en) | 1968-07-10 |
Family
ID=8598283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB156167A Expired GB1119623A (en) | 1966-01-11 | 1967-01-11 | An apparatus for checking filtering cartridges |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE692096A (en) |
| CH (1) | CH468834A (en) |
| ES (1) | ES335516A1 (en) |
| FR (1) | FR1474831A (en) |
| GB (1) | GB1119623A (en) |
| LU (1) | LU52754A1 (en) |
| NL (1) | NL6700355A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2411137A (en) * | 2004-02-20 | 2005-08-24 | Helmet Integrated Syst Ltd | Portable test equipment for air filters |
| US10151679B2 (en) | 2015-04-08 | 2018-12-11 | Emd Millipore Corporation | Enhanced aerosol test for assessing filter integrity |
-
1966
- 1966-01-11 FR FR45443A patent/FR1474831A/en not_active Expired
-
1967
- 1967-01-03 BE BE692096D patent/BE692096A/xx unknown
- 1967-01-04 CH CH7667A patent/CH468834A/en unknown
- 1967-01-05 LU LU52754D patent/LU52754A1/xx unknown
- 1967-01-10 NL NL6700355A patent/NL6700355A/xx unknown
- 1967-01-11 GB GB156167A patent/GB1119623A/en not_active Expired
- 1967-01-11 ES ES335516A patent/ES335516A1/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2411137A (en) * | 2004-02-20 | 2005-08-24 | Helmet Integrated Syst Ltd | Portable test equipment for air filters |
| US10151679B2 (en) | 2015-04-08 | 2018-12-11 | Emd Millipore Corporation | Enhanced aerosol test for assessing filter integrity |
| CN113670788A (en) * | 2015-04-08 | 2021-11-19 | Emd密理博公司 | Enhanced aerosol test for evaluating filter integrity |
Also Published As
| Publication number | Publication date |
|---|---|
| CH468834A (en) | 1969-02-28 |
| FR1474831A (en) | 1967-03-31 |
| LU52754A1 (en) | 1967-03-06 |
| BE692096A (en) | 1967-06-16 |
| DE1709058A1 (en) | 1971-09-09 |
| ES335516A1 (en) | 1968-03-16 |
| NL6700355A (en) | 1967-07-12 |
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