GB671179A - Improvements relating to demonstration filter units for suction cleaners - Google Patents

Improvements relating to demonstration filter units for suction cleaners

Info

Publication number
GB671179A
GB671179A GB13996/50A GB1399650A GB671179A GB 671179 A GB671179 A GB 671179A GB 13996/50 A GB13996/50 A GB 13996/50A GB 1399650 A GB1399650 A GB 1399650A GB 671179 A GB671179 A GB 671179A
Authority
GB
United Kingdom
Prior art keywords
suction cleaners
filter units
improvements relating
june
suction
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
GB13996/50A
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 GB671179A publication Critical patent/GB671179A/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
    • A47L9/12—Dry filters
    • A47L9/122—Dry filters flat
    • 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
    • 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
    • A47L9/24—Hoses or pipes; Hose or pipe couplings
    • A47L9/248—Parts, details or accessories of hoses or pipes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

671,179. Suction cleaners. HOOVER, Ltd. June 5, 1950 [June 10, 1949], No. 13996/50. Classes 8 (i) and 8 (ii) An air filter unit suitable for demonstrating the efficiency of a suction cleaner comprises a rigid hollow casing 1 having inlet and outlet ducts 4, 3 and a transverse V-shaped notch 12, the downstream face of which holds a perforated metal screen 15 supporting a filter paper 2 which is held by a housing cover 22 when closed. The cover 22 is pivoted at a pin 21 being urged to open or closed position by a snap over spring, and has an inspection window at its top.
GB13996/50A 1949-06-10 1950-06-05 Improvements relating to demonstration filter units for suction cleaners Expired GB671179A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US671179XA 1949-06-10 1949-06-10

Publications (1)

Publication Number Publication Date
GB671179A true GB671179A (en) 1952-04-30

Family

ID=22073821

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13996/50A Expired GB671179A (en) 1949-06-10 1950-06-05 Improvements relating to demonstration filter units for suction cleaners

Country Status (1)

Country Link
GB (1) GB671179A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137896A (en) * 1983-04-12 1984-10-17 Hoover Plc Suction cleaner
GB2317817A (en) * 1997-01-30 1998-04-08 Notetry Ltd Vacuum cleaner blockages

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2137896A (en) * 1983-04-12 1984-10-17 Hoover Plc Suction cleaner
GB2317817A (en) * 1997-01-30 1998-04-08 Notetry Ltd Vacuum cleaner blockages
GB2317817B (en) * 1997-01-30 1998-12-02 Notetry Ltd Vacuum cleaner

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