FR879625A - Perfectionnements aux aspirateurs de poussière - Google Patents

Perfectionnements aux aspirateurs de poussière

Info

Publication number
FR879625A
FR879625A FR879625DA FR879625A FR 879625 A FR879625 A FR 879625A FR 879625D A FR879625D A FR 879625DA FR 879625 A FR879625 A FR 879625A
Authority
FR
France
Prior art keywords
dust extractors
extractors
dust
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
English (en)
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.)
HOOVER ETS
Original Assignee
HOOVER ETS
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 HOOVER ETS filed Critical HOOVER ETS
Application granted granted Critical
Publication of FR879625A publication Critical patent/FR879625A/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D23/00—Other rotary non-positive-displacement pumps
    • F04D23/001—Pumps adapted for conveying materials or for handling specific elastic fluids
    • F04D23/003—Pumps adapted for conveying materials or for handling specific elastic fluids of radial-flow 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
    • 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
    • A47L5/28—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle
    • A47L5/30—Suction cleaners with handles and nozzles fixed on the casings, e.g. wheeled suction cleaners with steering handle with driven dust-loosening tools, e.g. rotating brushes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR879625D 1938-07-11 1939-07-06 Perfectionnements aux aspirateurs de poussière Expired FR879625A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US218519A US2246859A (en) 1938-07-11 1938-07-11 Fan casing

Publications (1)

Publication Number Publication Date
FR879625A true FR879625A (fr) 1943-03-01

Family

ID=22815451

Family Applications (1)

Application Number Title Priority Date Filing Date
FR879625D Expired FR879625A (fr) 1938-07-11 1939-07-06 Perfectionnements aux aspirateurs de poussière

Country Status (3)

Country Link
US (1) US2246859A (fr)
FR (1) FR879625A (fr)
GB (1) GB531546A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715303A (en) * 1949-06-03 1955-08-16 Arnett L Thorson Sander drum
US4639191A (en) * 1983-06-01 1987-01-27 R. Leon Wells Centrifugal fan liner and installing tool therefor
US20070231142A1 (en) * 2006-03-31 2007-10-04 Wen-Hao Liu Fan frame structure
US20070242430A1 (en) * 2006-04-15 2007-10-18 Wen-Hao Liu Fan frame device
CN111356842A (zh) * 2019-01-25 2020-06-30 李相璇 能够防止扭曲的外壳及包括其的泵

Also Published As

Publication number Publication date
GB531546A (en) 1941-01-07
US2246859A (en) 1941-06-24

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