SI0754428T1 - Method of visualization of dust picked up by a vacuum cleaner - Google Patents
Method of visualization of dust picked up by a vacuum cleanerInfo
- Publication number
- SI0754428T1 SI0754428T1 SI9630094T SI9630094T SI0754428T1 SI 0754428 T1 SI0754428 T1 SI 0754428T1 SI 9630094 T SI9630094 T SI 9630094T SI 9630094 T SI9630094 T SI 9630094T SI 0754428 T1 SI0754428 T1 SI 0754428T1
- Authority
- SI
- Slovenia
- Prior art keywords
- dust
- picked
- dust particles
- visible
- visualization
- Prior art date
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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N2001/222—Other features
- G01N2001/2223—Other features aerosol sampling devices
Landscapes
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Electric Vacuum Cleaner (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Refuse Collection And Transfer (AREA)
- Sampling And Sample Adjustment (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The method makes visible dust picked up by a dust extractor (2). The latter (2) has a conveyer channel (13) in which the picked up dust particles are advanced in an air stream. The conveyed dust particles are irradiated by light in an at least partly transparent section of the conveyer channel (13) to make them visible. Preferably, the dust particles are concentrated before being illuminated. The flow of the dust particle may be slowed down before they are illuminated. The movement of the visible dust particles may be projected onto a projection wall.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19525894A DE19525894A1 (en) | 1995-07-15 | 1995-07-15 | Process for making dust picked up by a vacuum cleaner visible |
EP96111322A EP0754428B1 (en) | 1995-07-15 | 1996-07-13 | Method of visualization of dust picked up by a vacuum cleaner |
Publications (1)
Publication Number | Publication Date |
---|---|
SI0754428T1 true SI0754428T1 (en) | 1999-12-31 |
Family
ID=7766961
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SI9630094T SI0754428T1 (en) | 1995-07-15 | 1996-07-13 | Method of visualization of dust picked up by a vacuum cleaner |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0754428B1 (en) |
AT (1) | ATE185259T1 (en) |
DE (2) | DE19525894A1 (en) |
DK (1) | DK0754428T3 (en) |
ES (1) | ES2137599T3 (en) |
GR (1) | GR3032177T3 (en) |
SI (1) | SI0754428T1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6360590B1 (en) | 1997-08-07 | 2002-03-26 | S. C. Johnson & Son, Inc. | Method and apparatus for investigating surfaces |
GB9716781D0 (en) * | 1997-08-07 | 1997-10-15 | Johnson & Son Inc S C | Method and apparatus for investigating surfaces |
DE102012107689B3 (en) | 2012-08-22 | 2013-09-26 | Miele & Cie. Kg | Vacuum cleaner with operating and display elements |
US10080475B2 (en) * | 2014-12-16 | 2018-09-25 | Lowe's Companies, Inc. | Indicators of cleaning effectiveness of vacuum cleaners and systems to facilitate comparisons of cleaning effectiveness of vacuum cleaners |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE646172C (en) * | 1933-02-25 | 1937-06-09 | Siemens Schuckertwerke Akt Ges | Device for demonstration of vacuum cleaners |
US2228371A (en) * | 1939-11-17 | 1941-01-14 | Walter E Bible | Display device for air cleaners |
US2269483A (en) * | 1941-02-28 | 1942-01-13 | Ohio Citizens Trust Company | Dust flow indicator for suction cleaning devices |
US2335885A (en) * | 1941-05-26 | 1943-12-07 | Ohio Citizens Trust Company | Demonstrating indicator for airmethod cleaners |
US2467652A (en) * | 1945-07-25 | 1949-04-19 | Electrolux Corp | Dirt entrapping device for observing the operation of vacuum cleaners |
US2910717A (en) * | 1957-07-12 | 1959-11-03 | Kenneth W Raymond | Vacuum cleaner hose attachment |
-
1995
- 1995-07-15 DE DE19525894A patent/DE19525894A1/en not_active Withdrawn
-
1996
- 1996-07-13 SI SI9630094T patent/SI0754428T1/en not_active IP Right Cessation
- 1996-07-13 DK DK96111322T patent/DK0754428T3/en active
- 1996-07-13 DE DE59603267T patent/DE59603267D1/en not_active Expired - Fee Related
- 1996-07-13 AT AT96111322T patent/ATE185259T1/en not_active IP Right Cessation
- 1996-07-13 EP EP96111322A patent/EP0754428B1/en not_active Expired - Lifetime
- 1996-07-13 ES ES96111322T patent/ES2137599T3/en not_active Expired - Lifetime
-
1999
- 1999-12-17 GR GR990403263T patent/GR3032177T3/en unknown
Also Published As
Publication number | Publication date |
---|---|
GR3032177T3 (en) | 2000-04-27 |
DE19525894A1 (en) | 1997-01-16 |
DE59603267D1 (en) | 1999-11-11 |
ATE185259T1 (en) | 1999-10-15 |
DK0754428T3 (en) | 2000-04-17 |
ES2137599T3 (en) | 1999-12-16 |
EP0754428A1 (en) | 1997-01-22 |
EP0754428B1 (en) | 1999-10-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
KO00 | Lapse of patent |
Effective date: 20050518 |