GB639901A - Improvements in or relating to suction cleaners - Google Patents

Improvements in or relating to suction cleaners

Info

Publication number
GB639901A
GB639901A GB1401/48A GB140148A GB639901A GB 639901 A GB639901 A GB 639901A GB 1401/48 A GB1401/48 A GB 1401/48A GB 140148 A GB140148 A GB 140148A GB 639901 A GB639901 A GB 639901A
Authority
GB
United Kingdom
Prior art keywords
suction
filter
separator
initial
nozzle
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
GB1401/48A
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 Ltd
Original Assignee
Hoover Ltd
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 Ltd filed Critical Hoover Ltd
Publication of GB639901A publication Critical patent/GB639901A/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
    • A47L9/20—Means for cleaning filters
    • 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
    • A47L5/365—Suction cleaners with hose between nozzle and casing; Suction cleaners for fixing on staircases; Suction cleaners for carrying on the back of the vertical type, e.g. tank or bucket type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

639,901. Suction cleaners. HOOVER, Ltd. Jan. 16, 1948, No. 1401. Convention date, April 5, 1940. [Classes 8(i) and 8(ii)] A suction cleaner comprises an initial dirt separator 18 adapted to receive dirtladen air through a suction inlet 19 directly from the main suction nozzle, a suction creating unit, e.g. a fan 24, 25, arranged to draw air from the separator 18 and deliver it through a final filter 37 and means, e.g. a movable nozzle 48 for removing dirt from the filter 37 and returning it to the initial separator 18 by means'of a cleaning air stream produced through the initial separator by the fan 24, 25. The filter cleaning nozzle 48 extends around the periphery of the filter 37 and is moved along the length thereof during the cleaning operation by manual displacement of a cup 51 to which is attached the free end of the main suction or hose 45.
GB1401/48A 1940-04-05 1948-01-16 Improvements in or relating to suction cleaners Expired GB639901A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US327976A US2247472A (en) 1940-04-05 1940-04-05 Vacuum cleaner

Publications (1)

Publication Number Publication Date
GB639901A true GB639901A (en) 1950-07-05

Family

ID=23278935

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1401/48A Expired GB639901A (en) 1940-04-05 1948-01-16 Improvements in or relating to suction cleaners

Country Status (2)

Country Link
US (2) US2247472A (en)
GB (1) GB639901A (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2436159A (en) * 1943-04-26 1948-02-17 Hoover Co Suction cleaner
US2494981A (en) * 1943-07-26 1950-01-17 Hoover Co Suction cleaner
GB581547A (en) * 1943-09-24 1946-10-16 Hoover Ltd Improvements in or relating to suction cleaners
US2450845A (en) * 1944-03-23 1948-10-05 Hoover Co Suction cleaner
US2468128A (en) * 1944-10-12 1949-04-26 Birtman Electric Co Suction cleaner and fan therefor
US2566153A (en) * 1945-04-26 1951-08-28 Hoover Co Suction cleaner
BE479028A (en) * 1946-07-12
US2520877A (en) * 1946-10-05 1950-08-29 Masury Young Company Vacuum cleaner
US2528375A (en) * 1947-05-20 1950-10-31 Masury Young Company Vacuum cleaner
US2597690A (en) * 1949-11-25 1952-05-20 Apex Electrical Mfg Co Vacuum cleaner
US2684125A (en) * 1952-05-31 1954-07-20 Hoover Co Suction cleaner having multiple concentric filters
US2784440A (en) * 1955-05-26 1957-03-12 Wayne Manufacturing Co Industrial sweeping machines
US3545180A (en) * 1968-08-26 1970-12-08 Carter Day Co Dust collector and filter therefor
FR2039560A5 (en) * 1969-04-04 1971-01-15 Charbonnages De France
JPH0236625Y2 (en) * 1985-10-14 1990-10-04
US7797916B2 (en) * 2005-01-25 2010-09-21 Randy Thompson Systems and methods for harvesting cotton

Also Published As

Publication number Publication date
USRE22336E (en) 1943-06-22
US2247472A (en) 1941-07-01

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