FR754716A - Device indicating the filtering capacity of dust collectors in vacuum cleaners - Google Patents

Device indicating the filtering capacity of dust collectors in vacuum cleaners

Info

Publication number
FR754716A
FR754716A FR754716DA FR754716A FR 754716 A FR754716 A FR 754716A FR 754716D A FR754716D A FR 754716DA FR 754716 A FR754716 A FR 754716A
Authority
FR
France
Prior art keywords
vacuum cleaners
dust collectors
device indicating
filtering capacity
filtering
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
Application number
Other languages
French (fr)
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.)
Inventia Patent Verwertungs Gesellschaft
Original Assignee
Inventia Patent Verwertungs Gesellschaft
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 Inventia Patent Verwertungs Gesellschaft filed Critical Inventia Patent Verwertungs Gesellschaft
Application granted granted Critical
Publication of FR754716A publication Critical patent/FR754716A/en
Expired 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)
  • Filters For Electric Vacuum Cleaners (AREA)
FR754716D 1932-05-07 1933-04-25 Device indicating the filtering capacity of dust collectors in vacuum cleaners Expired FR754716A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE401195X 1932-05-07

Publications (1)

Publication Number Publication Date
FR754716A true FR754716A (en) 1933-11-13

Family

ID=20309433

Family Applications (1)

Application Number Title Priority Date Filing Date
FR754716D Expired FR754716A (en) 1932-05-07 1933-04-25 Device indicating the filtering capacity of dust collectors in vacuum cleaners

Country Status (2)

Country Link
FR (1) FR754716A (en)
GB (1) GB401195A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119369A (en) * 1960-12-28 1964-01-28 Ametek Inc Device for indicating fluid flow
DE2922857A1 (en) * 1979-06-06 1980-12-18 Vorwerk Co Interholding VACUUM CLEANER WITH A DISPLAY DEVICE INDICATING THE FILLING OF THE INTERCHANGEABLE DUST BAG

Also Published As

Publication number Publication date
GB401195A (en) 1933-11-09

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