SE8902879L - INDICATOR DEVICE FOR VACUUM CLEANER - Google Patents
INDICATOR DEVICE FOR VACUUM CLEANERInfo
- Publication number
- SE8902879L SE8902879L SE8902879A SE8902879A SE8902879L SE 8902879 L SE8902879 L SE 8902879L SE 8902879 A SE8902879 A SE 8902879A SE 8902879 A SE8902879 A SE 8902879A SE 8902879 L SE8902879 L SE 8902879L
- Authority
- SE
- Sweden
- Prior art keywords
- temp
- suction
- vacuum cleaner
- heated air
- sensitive element
- 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
- 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)
Abstract
The suction display is used to indicate when the dust filter (17) and/or the dust bag (12) needs replacing. It uses a temp-sensitive element (26) detecting the temp. of the heated air on the discharge side of the motor driven suction fan (14), to exhibit a colour variation providing a visual indication for the user. Pref. a valve (21, 22, 23) regulates the flow of the heated air on the suction side of the fan to the temp-sensitive element (26), dependent on the pressure within the filter space (13) and/or the motor space (16). ADVANTAGE - Provides simple visual indication.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8902879A SE465060B (en) | 1989-08-30 | 1989-08-30 | INDICATOR DEVICE FOR VACUUM CLEANER |
DE19904025482 DE4025482A1 (en) | 1989-08-30 | 1990-08-10 | Electric vacuum cleaner suction display - monitors temp. of air on output side of suction fan to provide colour variation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8902879A SE465060B (en) | 1989-08-30 | 1989-08-30 | INDICATOR DEVICE FOR VACUUM CLEANER |
Publications (3)
Publication Number | Publication Date |
---|---|
SE8902879D0 SE8902879D0 (en) | 1989-08-30 |
SE8902879L true SE8902879L (en) | 1991-03-01 |
SE465060B SE465060B (en) | 1991-07-22 |
Family
ID=20376777
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8902879A SE465060B (en) | 1989-08-30 | 1989-08-30 | INDICATOR DEVICE FOR VACUUM CLEANER |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE4025482A1 (en) |
SE (1) | SE465060B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2320419B (en) | 1996-12-20 | 2000-08-16 | Notetry Ltd | Improved vacuum cleaner |
DE10229796A1 (en) * | 2002-07-03 | 2004-01-15 | Vorwerk & Co. Interholding Gmbh | Filters for a vacuum cleaner and vacuum cleaners with a pre-filter and a blow-out filter |
DE102010016789B4 (en) * | 2010-05-05 | 2012-01-12 | Miele & Cie. Kg | Display device for a filter, vacuum cleaner and use of such a filter as a vacuum cleaner exhaust filter |
-
1989
- 1989-08-30 SE SE8902879A patent/SE465060B/en not_active Application Discontinuation
-
1990
- 1990-08-10 DE DE19904025482 patent/DE4025482A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE4025482A1 (en) | 1991-03-07 |
SE465060B (en) | 1991-07-22 |
SE8902879D0 (en) | 1989-08-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8902879-9 Effective date: 19920301 |