GB2050530B - Impeller blades - Google Patents

Impeller blades

Info

Publication number
GB2050530B
GB2050530B GB8015529A GB8015529A GB2050530B GB 2050530 B GB2050530 B GB 2050530B GB 8015529 A GB8015529 A GB 8015529A GB 8015529 A GB8015529 A GB 8015529A GB 2050530 B GB2050530 B GB 2050530B
Authority
GB
United Kingdom
Prior art keywords
impeller blades
impeller
blades
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
GB8015529A
Other versions
GB2050530A (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.)
Ebm Papst St Georgen GmbH and Co KG
Original Assignee
Papst Motoren GmbH and Co KG
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 Papst Motoren GmbH and Co KG filed Critical Papst Motoren GmbH and Co KG
Publication of GB2050530A publication Critical patent/GB2050530A/en
Application granted granted Critical
Publication of GB2050530B publication Critical patent/GB2050530B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/20—Specially-shaped blade tips to seal space between tips and stator
    • 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
    • F04D29/08—Sealings
    • F04D29/16—Sealings between pressure and suction sides
    • F04D29/161—Sealings between pressure and suction sides especially adapted for elastic fluid pumps
    • F04D29/164—Sealings between pressure and suction sides especially adapted for elastic fluid pumps of an axial flow wheel
    • 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
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/384—Blades characterised by form
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05D2240/307—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor related to the tip of a rotor blade
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
GB8015529A 1979-05-12 1980-05-09 Impeller blades Expired GB2050530B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH442079 1979-05-12

Publications (2)

Publication Number Publication Date
GB2050530A GB2050530A (en) 1981-01-07
GB2050530B true GB2050530B (en) 1983-12-14

Family

ID=4275801

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8015529A Expired GB2050530B (en) 1979-05-12 1980-05-09 Impeller blades

Country Status (4)

Country Link
JP (1) JPS5629098A (en)
DE (2) DE3017226A1 (en)
FR (1) FR2456865A1 (en)
GB (1) GB2050530B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD380564S (en) 1995-05-31 1997-07-01 John Manufacturing Limited Night light
US8842000B2 (en) 2012-07-17 2014-09-23 4Front Engineered Solutions, Inc. Fire control systems

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3017226A1 (en) * 1979-05-12 1980-11-20 Papst Motoren Kg FAN BLADE
US4685942A (en) * 1982-12-27 1987-08-11 General Electric Company Axial flow inlet particle separator
GB2139294A (en) * 1983-02-18 1984-11-07 Pioneer Dharma Ventures Limite Omni-directional rotor
JPS59185898A (en) * 1983-04-08 1984-10-22 Aisin Seiki Co Ltd Fan blade
IT1204969B (en) * 1987-04-24 1989-03-10 Cofimco Srl ASSEMBLING ELEMENT FOR ASSILAE FAN BLADES, WITH FIXED FIXING ANGLE
FR2728028B1 (en) * 1994-12-07 1997-03-14 Sardou Max DEVICE FOR TRANSFORMING THE MECHANICAL ENERGY OF AN ENGINE INTO A GAS PRESSURE
WO2000004292A1 (en) * 1998-07-15 2000-01-27 Keenlink International Ltd. Inclined flow air circulation system
DE19913269A1 (en) * 1999-03-24 2000-09-28 Asea Brown Boveri Turbine blade
ITMI20010131A1 (en) * 2001-01-25 2002-07-26 Giorgio Cipelletti AXIAL FAN WITH DIFFERENTIATED TORSION BLADES
FR2833050B1 (en) * 2001-12-03 2005-11-11 Abb Solyvent Ventec HELICOID FAN WITH A NOISE REDUCING MEANS
EP1484510B1 (en) 2002-02-28 2007-04-11 Daikin Industries, Ltd. Fan
KR100471444B1 (en) * 2002-08-14 2005-03-08 엘지전자 주식회사 The axial flow fan with turbo blades
DE202004005548U1 (en) * 2003-04-19 2004-06-17 Ebm-Papst St. Georgen Gmbh & Co. Kg Fan
CN101099028B (en) * 2004-07-21 2010-10-06 德尔塔T公司 Fan blades and variant
US7252478B2 (en) 2004-07-21 2007-08-07 Delta T Corporation Fan blade modifications
US7934907B2 (en) * 2004-07-21 2011-05-03 Delta T Corporation Cuffed fan blade modifications
US8079823B2 (en) 2004-07-21 2011-12-20 Delta T Corporation Fan blades
US7284960B2 (en) 2004-07-21 2007-10-23 Delta T Corporation Fan blades
US8035263B2 (en) 2004-11-10 2011-10-11 Ebm-Papst St. Georgen Gmbh & Co. Kg Electric motor
ES2738011T3 (en) 2007-03-01 2020-01-17 Delta T Llc Aerodynamic angle plane extension for fan blade
JP4872722B2 (en) * 2007-03-12 2012-02-08 ソニー株式会社 Axial fan device, axial impeller and electronic equipment
GB2452104B (en) * 2008-01-14 2009-07-22 Flakt Woods Ltd A meridional fan
EP2093378A1 (en) * 2008-02-25 2009-08-26 ALSTOM Technology Ltd Upgrading method for a blade by retrofitting a winglet, and correspondingly upgraded blade
CN102086887A (en) * 2009-12-08 2011-06-08 富准精密工业(深圳)有限公司 Axial fan
EP2336492A1 (en) * 2009-12-16 2011-06-22 Siemens Aktiengesellschaft Guide vane with a winglet for an energy converting machine and machine for converting energy comprising the guide vane
DE102010034604A1 (en) 2010-08-13 2012-02-16 Ziehl-Abegg Ag Impeller for a fan
TWI443262B (en) * 2010-12-29 2014-07-01 Delta Electronics Inc Fan and impeller thereof
DE102012004617A1 (en) * 2012-03-06 2013-09-12 Ziehl-Abegg Ag Axial
FR2987867B1 (en) * 2012-03-09 2016-05-06 Snecma TURBOMACHINE DAWN COMPRISING A PROTECTIVE INSERT FOR THE HEAD OF THE DAWN
US9845683B2 (en) 2013-01-08 2017-12-19 United Technology Corporation Gas turbine engine rotor blade
US9404511B2 (en) * 2013-03-13 2016-08-02 Robert Bosch Gmbh Free-tipped axial fan assembly with a thicker blade tip
US9874214B2 (en) 2014-01-28 2018-01-23 4Front Engineered Solutions, Inc. Fan with fan blade mounting structure
DE102015100767A1 (en) * 2014-12-03 2016-06-09 Ebm-Papst Mulfingen Gmbh & Co. Kg Blade of a fan wheel, fan wheel and axial fan
US9726192B2 (en) 2015-03-31 2017-08-08 Assa Abloy Entrance Systems Ab Fan blades and associated blade tips
US20180258947A1 (en) * 2017-03-10 2018-09-13 Nidec Corporation Axial fan
USD911512S1 (en) 2018-01-31 2021-02-23 Carrier Corporation Axial flow fan
US20190234419A1 (en) * 2018-01-31 2019-08-01 Carrier Corporation Axial fan with tip fences
US11938352B2 (en) * 2020-01-23 2024-03-26 Suzaleja B.V. Filtering mask assembly

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US652123A (en) * 1899-09-14 1900-06-19 Peter Godfroy Lavigne Screw-propeller.
US1828409A (en) * 1929-01-11 1931-10-20 Westinghouse Electric & Mfg Co Reaction blading
DE815971C (en) * 1949-12-22 1951-10-08 Franz Burghauser Steam or gas turbine blade with little radial clearance loss
CH374085A (en) * 1959-12-29 1963-12-31 Escher Wyss Ag Blade for steam turbine, gas turbine or compressor
BE638547A (en) * 1962-10-29 1900-01-01
US3782857A (en) * 1970-08-26 1974-01-01 O Svilans Device for air and fluid acceleration and method of making same
DE2405050A1 (en) * 1974-02-02 1975-08-07 Motoren Turbinen Union ROTATING BLADES FOR TURBO MACHINES
DE3017226A1 (en) * 1979-05-12 1980-11-20 Papst Motoren Kg FAN BLADE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USD380564S (en) 1995-05-31 1997-07-01 John Manufacturing Limited Night light
US8842000B2 (en) 2012-07-17 2014-09-23 4Front Engineered Solutions, Inc. Fire control systems

Also Published As

Publication number Publication date
GB2050530A (en) 1981-01-07
FR2456865A1 (en) 1980-12-12
DE3017226A1 (en) 1980-11-20
DE3017943A1 (en) 1980-11-20
JPS5629098A (en) 1981-03-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)