GB1440277A - Multi-stage vacuum-cleaner compressor - Google Patents

Multi-stage vacuum-cleaner compressor

Info

Publication number
GB1440277A
GB1440277A GB696374A GB696374A GB1440277A GB 1440277 A GB1440277 A GB 1440277A GB 696374 A GB696374 A GB 696374A GB 696374 A GB696374 A GB 696374A GB 1440277 A GB1440277 A GB 1440277A
Authority
GB
United Kingdom
Prior art keywords
stage
impeller
compressor
vanes
cleaner
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
GB696374A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB1440277A publication Critical patent/GB1440277A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F04D17/164—Multi-stage fans, e.g. for vacuum cleaners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
    • F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers

Abstract

1440277 Multi-stage centrifugal compressor PHILIPS GLOEILAMPENFABRIEKEN NV 15 Feb 1974 [2 March 1973] 6963/74 Heading F1C In a multi-stage vacuum cleaner centrifugal compressor in which each impeller is surrounded by a diffuser having guide vanes, the impeller of the last stage has a greater number of runner vanes than the impeller of the preceding stage. The impellers 3, 5 of the two-stage compressor illustrated are surrounded by diffusers 4, 6 having guide vanes 10, 13, and the first stage impeller 3 is of conventional construction and has six runner vanes on each side, whilst the second stage impeller 5 has several runner vanes of number and arrangement determined as described in Specification No. 1431358.
GB696374A 1973-03-02 1974-02-15 Multi-stage vacuum-cleaner compressor Expired GB1440277A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7302940A NL7302940A (en) 1973-03-02 1973-03-02

Publications (1)

Publication Number Publication Date
GB1440277A true GB1440277A (en) 1976-06-23

Family

ID=19818351

Family Applications (1)

Application Number Title Priority Date Filing Date
GB696374A Expired GB1440277A (en) 1973-03-02 1974-02-15 Multi-stage vacuum-cleaner compressor

Country Status (5)

Country Link
JP (1) JPS501411A (en)
DE (1) DE2407614A1 (en)
FR (1) FR2219767B3 (en)
GB (1) GB1440277A (en)
NL (1) NL7302940A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114688045A (en) * 2020-12-25 2022-07-01 广东美的白色家电技术创新中心有限公司 Fan assembly and dust collector

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4226575A (en) * 1979-06-06 1980-10-07 Ametek, Inc. Wet pick-up vacuum unit
EP0516073A1 (en) * 1991-05-29 1992-12-02 Alcatel SEL Aktiengesellschaft Apparatus for transporting a gaseous medium
JP5989316B2 (en) * 2011-09-26 2016-09-07 東芝ライフスタイル株式会社 Electric blower and vacuum cleaner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114688045A (en) * 2020-12-25 2022-07-01 广东美的白色家电技术创新中心有限公司 Fan assembly and dust collector

Also Published As

Publication number Publication date
JPS501411A (en) 1975-01-09
FR2219767B3 (en) 1976-12-03
FR2219767A1 (en) 1974-09-27
DE2407614A1 (en) 1974-09-05
NL7302940A (en) 1974-09-04

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee