FR868469A - Improvements to dust vacuum cleaners - Google Patents

Improvements to dust vacuum cleaners

Info

Publication number
FR868469A
FR868469A FR868469DA FR868469A FR 868469 A FR868469 A FR 868469A FR 868469D A FR868469D A FR 868469DA FR 868469 A FR868469 A FR 868469A
Authority
FR
France
Prior art keywords
vacuum cleaners
dust vacuum
dust
cleaners
vacuum
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR868469A publication Critical patent/FR868469A/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
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/36—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back
    • A47L5/362—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the horizontal type, e.g. canister or sledge type
    • 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
    • A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR868469D 1939-12-28 1940-12-28 Improvements to dust vacuum cleaners Expired FR868469A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US311353A US2327810A (en) 1939-12-28 1939-12-28 Vacuum cleaner

Publications (1)

Publication Number Publication Date
FR868469A true FR868469A (en) 1941-12-31

Family

ID=23206528

Family Applications (1)

Application Number Title Priority Date Filing Date
FR868469D Expired FR868469A (en) 1939-12-28 1940-12-28 Improvements to dust vacuum cleaners

Country Status (3)

Country Link
US (1) US2327810A (en)
FR (1) FR868469A (en)
GB (1) GB545711A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734594A (en) * 1956-02-14 Air filtering cleaners
US2454314A (en) * 1946-09-20 1948-11-23 Bell Telephone Labor Inc Vacuum cleaner
US2615531A (en) * 1947-07-26 1952-10-28 Electrolux Corp Rearwardly discharging tank type suction cleaner
US2846140A (en) * 1952-09-17 1958-08-05 Garrett Corp Refrigeration compressor
US2721624A (en) * 1952-11-28 1955-10-25 Henney Motor Company Inc Suction cleaner
US2794513A (en) * 1952-12-20 1957-06-04 Electrolux Ab Suction cleaner structure
US2962117A (en) * 1958-11-03 1960-11-29 Marshall G Sisemore Vacuum cleaner
US4150913A (en) * 1977-09-02 1979-04-24 Davis Henry J Blower for industrial vacuum machine
ITCR20020005A1 (en) * 2002-04-17 2003-10-17 Bertolazzi Marino Pedrazzini LOW NOISE SUCTION AND / OR FAN DEVICE
WO2024099570A1 (en) * 2022-11-10 2024-05-16 Aktiebolaget Electrolux Vacuum cleaner

Also Published As

Publication number Publication date
GB545711A (en) 1942-06-09
US2327810A (en) 1943-08-24

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