WO2003000383B1 - Particulate separator - Google Patents
Particulate separatorInfo
- Publication number
- WO2003000383B1 WO2003000383B1 PCT/GB2002/002890 GB0202890W WO03000383B1 WO 2003000383 B1 WO2003000383 B1 WO 2003000383B1 GB 0202890 W GB0202890 W GB 0202890W WO 03000383 B1 WO03000383 B1 WO 03000383B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- separator according
- separator
- spindle
- particles
- centrifuge member
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Air-Conditioning For Vehicles (AREA)
- Separating Particles In Gases By Inertia (AREA)
Abstract
A particle separator (300) is provided that mechanically separates airborne particles, such as dust, raindrops, pollen and cinders from fresh air taken into a motor vehicle heating, ventilation and air conditioning (HVAC) system (200). The particle separator (300) comprises at least one of disc (306a-d) mounted on a spindle (316). The separator (300) is integrated with the existing fan housing and is consequently independent of vehicle geometry and size.
Claims
1. A particulate separator suitable for separating particles entrained in a gas comprising, a spindle, a drain, and at least one centrifuge member projecting outwards from the spindle and being arranged to rotate therewith such that a fraction of the entrained particles that contact the member is moved radially outward along the member to the drain.
2. A separator according to claim 1 wherein the at least one centrifuge member is an arm.
3. A separator according to claim 2 wherein there is provided a plurality of arms.
4. A separator according to claim 1 wherein the at least one centrifuge member comprises of a plurality of discrete fibres.
5. A separator according to either of claims 1 or 4 wherein the centrifuge member comprises a brush of fibres.
6. A separator according to claim 1 wherein the centrifuge member comprises a disc.
7. A separator according to claim 6 wherein there is a plurality of discs that is spaced along the length of the spindle.
8. A separator according to any preceding claim wherein the separator has a separator housing which is arranged to be engageable with a fan housing of a HVAC unit. 18
9. A separator according to any foregoing claim wherein the separator has a separator housing which is attached to a fan housing of an HVAC unit.
10. A separator according to claim 8 or claim 9 wherein the separator housing is arranged to occupy a space between the fan housing and an inner surface of the HVAC unit.
11. A separator according to claim 10 wherein the separator housing is 30mm or less in height.
12. A separator according to any of claims 8 to 1 1 wherein the separator housing has an opening therethrough, the opening having a channel thereabout that is arranged to act as the drain.
13. A separator according to claim 12 wherein the opening forms a duct, through which gas is arranged to flow and in which the centrifuge member is located.
14. A separator according to either of claims 12 or 13 wherein the centrifuge member is arranged to sweep substantially all of the area of the opening.
15. A separator according to any preceding claim wherein the spindle is connected to an air intake blower assembly.
16. A separator according to claim 15 wherein the spindle is connected to the assembly through a gearbox.
17. A separator according to any preceding claim wherein the spindle is connected to a drive spindle of a fan. 19
18. A separator according to any one of claims 1 to 14 wherein the spindle is unconnected to any drive means.
19. A separator according to any preceding claim wherein the particles are at least any one of the following: water, pollen, cinders, dust, fibres, smoke, any particles sized l Oμm or above.
20. A separator according to any foregoing claim wherein the or each centrifuge member comprises a fibre having outer surfaces each defining a channel whereby particles collected on the fibre can move outwards away from the spindle along the channels under centrifugal action.
21. A separator according to claim 20 wherein said outer surfaces are concave.
22. A method of separating particles from a gas comprising the steps of:
iii) providing a rotatable spindle having at least one centrifuge member projecting outwardly therefrom in a flow path of the air; iv) rotating said spindle such that a fraction of said particles collide with said at least one centrifuge member and migrate outwards along said centrifuge member under centrifugal action; and v) collecting said fraction of said particles in a drain region.
23. A motor vehicle HVAC system including a particle separator according to any one of claims 1 to 21.
24. A motor vehicle HVAC system according to claim 23 wherein the separator is arranged to add not more than 4dB to the existing noise level of the HVAC unit. 20
25. A motor vehicle including a particle separator according to any one . of claims 1 to 21.
26. An air conditioning unit including a particle separator according to any one of claims 1 to 21.
27. A smoke filter including a particle separator according to any one of claims 1 to 17.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB0115456.6 | 2001-06-25 | ||
| GB0115456A GB0115456D0 (en) | 2001-06-25 | 2001-06-25 | A device for separating airborne particles, such as rainwater and pollen, from the fresh air in a ground vehicle hvac system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2003000383A1 WO2003000383A1 (en) | 2003-01-03 |
| WO2003000383B1 true WO2003000383B1 (en) | 2003-03-27 |
Family
ID=9917276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/GB2002/002890 WO2003000383A1 (en) | 2001-06-25 | 2002-06-25 | Particulate separator |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB0115456D0 (en) |
| WO (1) | WO2003000383A1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE624585A (en) * | 1961-11-22 | |||
| DE3807701A1 (en) * | 1988-03-09 | 1989-09-21 | Ruetgerswerke Ag | DEVICE AND METHOD FOR AEROSOL SEPARATION FROM EXHAUST GASES |
| US5607487A (en) * | 1993-03-17 | 1997-03-04 | Taylor; Leland T. | Bottom feed - updraft gasification system |
| US5505756A (en) * | 1995-03-17 | 1996-04-09 | American Farm Implement & Specialty, Inc. | Ramp discharge outlet air precleaner |
| SE515302C2 (en) * | 1999-11-15 | 2001-07-09 | Alfa Laval Ab | A method and apparatus for purifying gas |
-
2001
- 2001-06-25 GB GB0115456A patent/GB0115456D0/en not_active Ceased
-
2002
- 2002-06-25 WO PCT/GB2002/002890 patent/WO2003000383A1/en not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO2003000383A1 (en) | 2003-01-03 |
| GB0115456D0 (en) | 2001-08-15 |
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