JPS5778917A - Electrostatic induction type filter medium - Google Patents
Electrostatic induction type filter mediumInfo
- Publication number
- JPS5778917A JPS5778917A JP15562880A JP15562880A JPS5778917A JP S5778917 A JPS5778917 A JP S5778917A JP 15562880 A JP15562880 A JP 15562880A JP 15562880 A JP15562880 A JP 15562880A JP S5778917 A JPS5778917 A JP S5778917A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- filter medium
- fiber
- type filter
- upper layer
- 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.)
- Granted
Links
Landscapes
- Filtering Materials (AREA)
- Electrostatic Separation (AREA)
Abstract
PURPOSE: To provide the titled filter medium wherein a stack of fiber layers constituting the filter medium is comprised of an upper layer, an intermediate layer and a lower layer which are composed of different electrically chargeable fibers respectively, with a density gradient layer provided therein, and sparking is prevented by using both a positively chargeable fiber and a negatively chargeable fiber.
CONSTITUTION: This filter medium has a three-layer construction of the upper layer (a), the lower layer (c) and the intermediate layer (b) which have different dielectric properties. The upper layer (a) is composed of positively chargeable fibers 1 having a large size of 10W30 denier, the lower layer (c) is composed of negatively chargeable fibers 2 having a small size of 10W3 denier, and the intermediate layer (b) is composed of a mixture of the fiber 1 used in the upper layer (a) and the fiber 2 used in the lower layer (c).
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15562880A JPS5778917A (en) | 1980-11-04 | 1980-11-04 | Electrostatic induction type filter medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15562880A JPS5778917A (en) | 1980-11-04 | 1980-11-04 | Electrostatic induction type filter medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5778917A true JPS5778917A (en) | 1982-05-17 |
| JPS6351726B2 JPS6351726B2 (en) | 1988-10-14 |
Family
ID=15610145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15562880A Granted JPS5778917A (en) | 1980-11-04 | 1980-11-04 | Electrostatic induction type filter medium |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5778917A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61155046U (en) * | 1985-03-15 | 1986-09-26 | ||
| JPS62187649U (en) * | 1986-05-18 | 1987-11-28 | ||
| US4902306A (en) * | 1988-08-09 | 1990-02-20 | Air Purification Products International, Inc. | Dual-dipole electrostatic air filter |
| WO2001028656A1 (en) * | 1999-10-19 | 2001-04-26 | Hollingsworth & Vose Air Filtration Limited | Filter materials and methods for the production thereof |
| EP1362627A1 (en) * | 2002-05-16 | 2003-11-19 | Branofilter Gmbh | Multilayer filter structure and use of multilayer structure |
| JP2011115775A (en) * | 2009-12-03 | 2011-06-16 | Hyundai Motor Co Ltd | Method for manufacturing electrostatic filter and electrostatic filter applying the same |
| JP2012170904A (en) * | 2011-02-22 | 2012-09-10 | Amano Corp | Dust-collecting filter and dust-collecting apparatus having the same filter |
-
1980
- 1980-11-04 JP JP15562880A patent/JPS5778917A/en active Granted
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61155046U (en) * | 1985-03-15 | 1986-09-26 | ||
| JPS62187649U (en) * | 1986-05-18 | 1987-11-28 | ||
| US4902306A (en) * | 1988-08-09 | 1990-02-20 | Air Purification Products International, Inc. | Dual-dipole electrostatic air filter |
| WO2001028656A1 (en) * | 1999-10-19 | 2001-04-26 | Hollingsworth & Vose Air Filtration Limited | Filter materials and methods for the production thereof |
| US6811594B1 (en) * | 1999-10-19 | 2004-11-02 | Hollingsworth & Vose Air Filtration Limited | Filter materials and methods for the production thereof |
| EP1362627A1 (en) * | 2002-05-16 | 2003-11-19 | Branofilter Gmbh | Multilayer filter structure and use of multilayer structure |
| US6966939B2 (en) | 2002-05-16 | 2005-11-22 | Branofilter Gmbh | Multi-layer filter structure and use of a multi-layer filter structure |
| JP2011115775A (en) * | 2009-12-03 | 2011-06-16 | Hyundai Motor Co Ltd | Method for manufacturing electrostatic filter and electrostatic filter applying the same |
| JP2012170904A (en) * | 2011-02-22 | 2012-09-10 | Amano Corp | Dust-collecting filter and dust-collecting apparatus having the same filter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6351726B2 (en) | 1988-10-14 |
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