GB564138A - Improvements in or relating to suction cleaning systems - Google Patents
Improvements in or relating to suction cleaning systemsInfo
- Publication number
- GB564138A GB564138A GB395643A GB395643A GB564138A GB 564138 A GB564138 A GB 564138A GB 395643 A GB395643 A GB 395643A GB 395643 A GB395643 A GB 395643A GB 564138 A GB564138 A GB 564138A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filter
- tube
- partition
- air
- hose
- 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
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/20—Means for cleaning filters
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
564,138. Air filters. HOOVER. Ltd. (Hoover Co.). March 11, 1943, No. 3956. [Class 8 (ii)] The flexible filter of a suction cleaner is cleaned by means involving a reversed air flow. Fig. 2 shows means comprising a hollow partition 20 with a hollow stem 21 projecting slidably through the filter top and closed by a cap when the cleaner is working ; the hose 16 then carries a suction nozzle and delivers dusty air to a centrifugal separator 13 from which a fan draws air containing light, dust into the filter. The filter is cleaned by connecting the hose to the stem 21 and moving the stem and partition up and down. Fig. 3 shows an alternative form in which a pair of fixed perforated tubes 28, 29 pass through a fixed partition 25, and contain rotatable perforated sleeves. In normal use, the tube 28 is closed hy a cap and the sleeves are turned so that the fan delivers air through the perforations of tube 29. To clean the filter, the nozzle 17 of the hose and the cap 35 are removed and the sleeves turned so that alternately the upper and lower perforations of tube 29 and the lower and upper perforations of tube 28 are alone opened, the filter being drawn into contact with the partition and its lower part put under suction and then deposited dust drawn into the centrifugal cleaner 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB395643A GB564138A (en) | 1943-03-11 | 1943-03-11 | Improvements in or relating to suction cleaning systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB395643A GB564138A (en) | 1943-03-11 | 1943-03-11 | Improvements in or relating to suction cleaning systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB564138A true GB564138A (en) | 1944-09-14 |
Family
ID=9768057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB395643A Expired GB564138A (en) | 1943-03-11 | 1943-03-11 | Improvements in or relating to suction cleaning systems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB564138A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3803807A (en) * | 1973-05-07 | 1974-04-16 | Phillips Petroleum Co | Carbon black filtration process and apparatus |
| GB2214104A (en) * | 1988-01-19 | 1989-08-31 | Electrolux Ab | Separator for vacuum cleaner |
| EP2107881A1 (en) * | 2007-01-26 | 2009-10-14 | Aktiebolaget Electrolux | Vacuum cleaner |
| EP2114232A1 (en) * | 2007-01-26 | 2009-11-11 | Aktiebolaget Electrolux | Vacuum cleaner |
| CN102283612A (en) * | 2011-07-05 | 2011-12-21 | 东莞市佛尔盛机电科技有限公司 | Central dust collection system with constantly-adjustable negative pressure |
| US9756999B2 (en) | 2014-12-22 | 2017-09-12 | Aktiebolaget Electrolux | Vacuum cleaner filtration system with filter cleaning mode |
| US10143345B2 (en) | 2016-01-22 | 2018-12-04 | Dyson Technology Limited | Vacuum cleaning apparatus |
| US10299648B2 (en) | 2016-01-22 | 2019-05-28 | Dyson Technology Limited | Vacuum cleaner |
| US10390670B2 (en) | 2016-01-22 | 2019-08-27 | Dyson Technology Limited | Separating apparatus and vacuum cleaner |
-
1943
- 1943-03-11 GB GB395643A patent/GB564138A/en not_active Expired
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3803807A (en) * | 1973-05-07 | 1974-04-16 | Phillips Petroleum Co | Carbon black filtration process and apparatus |
| GB2214104A (en) * | 1988-01-19 | 1989-08-31 | Electrolux Ab | Separator for vacuum cleaner |
| EP2107881A1 (en) * | 2007-01-26 | 2009-10-14 | Aktiebolaget Electrolux | Vacuum cleaner |
| EP2114232A1 (en) * | 2007-01-26 | 2009-11-11 | Aktiebolaget Electrolux | Vacuum cleaner |
| EP2107881A4 (en) * | 2007-01-26 | 2014-06-25 | Electrolux Ab | Vacuum cleaner |
| EP2114232A4 (en) * | 2007-01-26 | 2014-07-02 | Electrolux Ab | Vacuum cleaner |
| US8881342B2 (en) | 2007-01-26 | 2014-11-11 | Ab Electrolux | Vacuum cleaner |
| CN102283612A (en) * | 2011-07-05 | 2011-12-21 | 东莞市佛尔盛机电科技有限公司 | Central dust collection system with constantly-adjustable negative pressure |
| US9756999B2 (en) | 2014-12-22 | 2017-09-12 | Aktiebolaget Electrolux | Vacuum cleaner filtration system with filter cleaning mode |
| US10143345B2 (en) | 2016-01-22 | 2018-12-04 | Dyson Technology Limited | Vacuum cleaning apparatus |
| US10299648B2 (en) | 2016-01-22 | 2019-05-28 | Dyson Technology Limited | Vacuum cleaner |
| US10390670B2 (en) | 2016-01-22 | 2019-08-27 | Dyson Technology Limited | Separating apparatus and vacuum cleaner |
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