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
Application number
DE8989106181T
Other languages
German (de)
Inventor
Frieder Dr Ing Voigt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Application granted granted Critical
Publication of DE58902302D1 publication Critical patent/DE58902302D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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)
DE8989106181T 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. Expired - Fee Related DE58902302D1 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
EP0390956A1 (en) 1990-10-10
EP0390956B1 (en) 1992-09-16

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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