FR1496976A - Filter clogging warning device - Google Patents

Filter clogging warning device

Info

Publication number
FR1496976A
FR1496976A FR80453A FR80453A FR1496976A FR 1496976 A FR1496976 A FR 1496976A FR 80453 A FR80453 A FR 80453A FR 80453 A FR80453 A FR 80453A FR 1496976 A FR1496976 A FR 1496976A
Authority
FR
France
Prior art keywords
warning device
filter clogging
clogging warning
filter
warning
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
FR80453A
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.)
White Consolidated Industries Inc
Original Assignee
National Union Electric Corp
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
Priority claimed from US499551A external-priority patent/US3381652A/en
Application filed by National Union Electric Corp filed Critical National Union Electric Corp
Priority to FR80453A priority Critical patent/FR1496976A/en
Application granted granted Critical
Publication of FR1496976A publication Critical patent/FR1496976A/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)
FR80453A 1965-10-21 1966-10-18 Filter clogging warning device Expired FR1496976A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR80453A FR1496976A (en) 1965-10-21 1966-10-18 Filter clogging warning device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US499551A US3381652A (en) 1965-10-21 1965-10-21 Visual-audible alarm for a vacuum cleaner
FR80453A FR1496976A (en) 1965-10-21 1966-10-18 Filter clogging warning device

Publications (1)

Publication Number Publication Date
FR1496976A true FR1496976A (en) 1967-10-06

Family

ID=26173731

Family Applications (1)

Application Number Title Priority Date Filing Date
FR80453A Expired FR1496976A (en) 1965-10-21 1966-10-18 Filter clogging warning device

Country Status (1)

Country Link
FR (1) FR1496976A (en)

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