DE58902302D1 - DISPLAY DEVICE ON A VACUUM CLEANER FOR DETECTING THE DEGREE OF POLLUTION AT LEAST ONE DIRT FILTER IN THE VACUUM CLEANER. - Google Patents
DISPLAY DEVICE ON A VACUUM CLEANER FOR DETECTING THE DEGREE OF POLLUTION AT LEAST ONE DIRT FILTER IN THE VACUUM CLEANER.Info
- Publication number
- DE58902302D1 DE58902302D1 DE8989106181T DE58902302T DE58902302D1 DE 58902302 D1 DE58902302 D1 DE 58902302D1 DE 8989106181 T DE8989106181 T DE 8989106181T DE 58902302 T DE58902302 T DE 58902302T DE 58902302 D1 DE58902302 D1 DE 58902302D1
- Authority
- DE
- Germany
- Prior art keywords
- vacuum cleaner
- pollution
- detecting
- degree
- display device
- 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 - Fee Related
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
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/19—Means for monitoring filtering operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19890106181 EP0390956B1 (en) | 1989-04-07 | 1989-04-07 | Signalling device on a vacuum cleaner for monitoring the extent of soiling of at least one dust filter contained in the vacuum cleaner |
Publications (1)
Publication Number | Publication Date |
---|---|
DE58902302D1 true DE58902302D1 (en) | 1992-10-22 |
Family
ID=8201194
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8989106181T Expired - Fee Related DE58902302D1 (en) | 1989-04-07 | 1989-04-07 | DISPLAY DEVICE ON A VACUUM CLEANER FOR DETECTING THE DEGREE OF POLLUTION AT LEAST ONE DIRT FILTER IN THE VACUUM CLEANER. |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0390956B1 (en) |
DE (1) | DE58902302D1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0755215A4 (en) * | 1994-04-11 | 1997-05-02 | Goyen Controls Co | Components for and methods of operation of bag house filter/cartridge cleaning systems |
US7303613B2 (en) * | 2003-12-11 | 2007-12-04 | Euro-Pro Operating, Llc | Filter sensor and indicator for vacuum cleaners |
CN112294191B (en) * | 2019-08-01 | 2022-05-06 | 尚科宁家(中国)科技有限公司 | Dirt blockage detection method for dust box filter screen of sweeper and sweeper |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2117368A (en) * | 1935-11-09 | 1938-05-17 | Hoover Co | Suction cleaner |
US2325188A (en) * | 1940-12-06 | 1943-07-27 | Electrolux Corp | Vacuum cleaner |
DE2454748C3 (en) * | 1974-11-19 | 1978-12-14 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Arrangement of a post-filter in a vacuum cleaner |
DE3300250C2 (en) * | 1983-01-05 | 1985-10-31 | Siemens AG, 1000 Berlin und 8000 München | Display device for the filling level of a vacuum cleaner filter bag |
DE3601173A1 (en) * | 1986-01-17 | 1987-07-30 | Vorwerk Co Interholding | Filter-change indicating device on vacuum cleaners |
-
1989
- 1989-04-07 DE DE8989106181T patent/DE58902302D1/en not_active Expired - Fee Related
- 1989-04-07 EP EP19890106181 patent/EP0390956B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0390956A1 (en) | 1990-10-10 |
EP0390956B1 (en) | 1992-09-16 |
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DE58902302D1 (en) | DISPLAY DEVICE ON A VACUUM CLEANER FOR DETECTING THE DEGREE OF POLLUTION AT LEAST ONE DIRT FILTER IN THE VACUUM CLEANER. | |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |