DE69021076D1 - Gebläse mit mehrfach gekrümmten schaufeln mit abruptem übergang der krümmung. - Google Patents

Gebläse mit mehrfach gekrümmten schaufeln mit abruptem übergang der krümmung.

Info

Publication number
DE69021076D1
DE69021076D1 DE69021076T DE69021076T DE69021076D1 DE 69021076 D1 DE69021076 D1 DE 69021076D1 DE 69021076 T DE69021076 T DE 69021076T DE 69021076 T DE69021076 T DE 69021076T DE 69021076 D1 DE69021076 D1 DE 69021076D1
Authority
DE
Germany
Prior art keywords
curved
abrupted
blowers
transition
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 - Lifetime
Application number
DE69021076T
Other languages
English (en)
Other versions
DE69021076T2 (de
Inventor
Richard Kimball
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.)
Airflow Research and Manufacturing Corp
Original Assignee
Airflow Research and Manufacturing Corp
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 Airflow Research and Manufacturing Corp filed Critical Airflow Research and Manufacturing Corp
Application granted granted Critical
Publication of DE69021076D1 publication Critical patent/DE69021076D1/de
Publication of DE69021076T2 publication Critical patent/DE69021076T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F04D29/386—Skewed blades
    • 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
    • F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
    • F04D29/326—Rotors specially for elastic fluids for axial flow pumps for axial flow fans comprising a rotating shroud
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00—Fluid reaction surfaces, i.e. impellers
    • Y10S416/05—Variable camber or chord length

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Cleaning Of Streets, Tracks, Or Beaches (AREA)
  • Escalators And Moving Walkways (AREA)
DE69021076T 1989-11-16 1990-11-16 Gebläse mit mehrfach gekrümmten schaufeln mit abruptem übergang der krümmung. Expired - Lifetime DE69021076T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/438,774 US5064345A (en) 1989-11-16 1989-11-16 Multi-sweep blade with abrupt sweep transition
PCT/US1990/006743 WO1991007593A1 (en) 1989-11-16 1990-11-16 Multi-sweep blade with abrupt sweep transition

Publications (2)

Publication Number Publication Date
DE69021076D1 true DE69021076D1 (de) 1995-08-24
DE69021076T2 DE69021076T2 (de) 1995-12-14

Family

ID=23741959

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021076T Expired - Lifetime DE69021076T2 (de) 1989-11-16 1990-11-16 Gebläse mit mehrfach gekrümmten schaufeln mit abruptem übergang der krümmung.

Country Status (6)

Country Link
US (1) US5064345A (de)
EP (1) EP0500782B1 (de)
JP (1) JPH05501744A (de)
DE (1) DE69021076T2 (de)
ES (1) ES2076511T3 (de)
WO (1) WO1991007593A1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9022281D0 (en) * 1990-10-13 1991-02-20 Westland Helicopters Helicopter rotor blades
DE4326147C2 (de) * 1993-05-19 1996-03-21 Licentia Gmbh Axiallüfter, insbesondere für ein Kühlgebläse eines Kraftfahrzeugmotors
US5624234A (en) * 1994-11-18 1997-04-29 Itt Automotive Electrical Systems, Inc. Fan blade with curved planform and high-lift airfoil having bulbous leading edge
US5588804A (en) * 1994-11-18 1996-12-31 Itt Automotive Electrical Systems, Inc. High-lift airfoil with bulbous leading edge
US5642985A (en) 1995-11-17 1997-07-01 United Technologies Corporation Swept turbomachinery blade
US5961289A (en) * 1995-11-22 1999-10-05 Deutsche Forshungsanstalt Fur Luft-Und Raumfahrt E.V. Cooling axial flow fan with reduced noise levels caused by swept laminar and/or asymmetrically staggered blades
US6071077A (en) * 1996-04-09 2000-06-06 Rolls-Royce Plc Swept fan blade
DE19631093A1 (de) 1996-08-01 1998-02-05 Deutsche Forsch Luft Raumfahrt Verfahren zur aeroakustischen Optimierung eines Axiallüfters
US5769607A (en) * 1997-02-04 1998-06-23 Itt Automotive Electrical Systems, Inc. High-pumping, high-efficiency fan with forward-swept blades
GB2325402A (en) * 1997-05-23 1998-11-25 Stephen Paul Kemp Laundry basket support stand
ITTO980276A1 (it) * 1998-03-30 1999-09-30 Gate Spa Ventola assiale, particolarmente per autoveicoli.
IT1303114B1 (it) * 1998-10-08 2000-10-30 Gate Spa Ventola assiale, particolarmente per autoveicoli.
US6814545B2 (en) * 2000-04-21 2004-11-09 Revcor, Inc. Fan blade
US6447251B1 (en) 2000-04-21 2002-09-10 Revcor, Inc. Fan blade
US6712584B2 (en) * 2000-04-21 2004-03-30 Revcor, Inc. Fan blade
US20040258531A1 (en) * 2000-04-21 2004-12-23 Ling-Zhong Zeng Fan blade
US6395969B1 (en) 2000-07-28 2002-05-28 Mxworks, Inc. System and method for artistically integrating music and visual effects
US6942457B2 (en) * 2002-11-27 2005-09-13 Revcor, Inc. Fan assembly and method
CA2558373A1 (en) * 2004-03-18 2005-09-29 Frank Daniel Lotrionte Turbine and rotor therefor
US7344360B2 (en) 2004-09-29 2008-03-18 General Electric Company Wind turbine rotor blade with in-plane sweep and devices using same, and methods for making same
JP4664890B2 (ja) * 2006-11-02 2011-04-06 三菱重工業株式会社 遷音速翼及び軸流回転機
ITBO20070577A1 (it) 2007-08-07 2009-02-08 Spal Automotive Srl Ventola a flusso assiale.
US20090148294A1 (en) * 2007-12-10 2009-06-11 Minebea Co., Ltd. Houseless fan with rotating tip ring as silencer
US20090155076A1 (en) * 2007-12-18 2009-06-18 Minebea Co., Ltd. Shrouded Dual-Swept Fan Impeller
US8702398B2 (en) 2011-03-25 2014-04-22 General Electric Company High camber compressor rotor blade
US8684698B2 (en) 2011-03-25 2014-04-01 General Electric Company Compressor airfoil with tip dihedral
NO335877B1 (no) * 2012-08-14 2015-03-16 Rolls Royce Marine As Ringpropell med forover vridning
JP6064487B2 (ja) * 2012-09-24 2017-01-25 株式会社デンソー 送風機
US9404511B2 (en) * 2013-03-13 2016-08-02 Robert Bosch Gmbh Free-tipped axial fan assembly with a thicker blade tip
FR3028299B1 (fr) * 2014-11-07 2019-11-22 Valeo Systemes Thermiques Ventilateur pour automobile a pales optimisees pour les forts debits
US10018204B2 (en) * 2015-12-02 2018-07-10 Brose Fahrzeugteile Gmbh & Co. Kg, Wuerzburg Fan and fan module
JP7243125B2 (ja) * 2018-10-23 2023-03-22 株式会社デンソー 送風ファン
DE102019105355B4 (de) * 2019-03-04 2024-04-25 Ebm-Papst Mulfingen Gmbh & Co. Kg Lüfterrad eines Axialventilators

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1146121A (en) * 1914-11-27 1915-07-13 Theodore Amnelius Propeller.
GB228072A (en) * 1924-07-28 1925-01-29 Joseph Jeremiah Callahan Improvements in propellers
US1825114A (en) * 1929-04-12 1931-09-29 Claud A Hendrickson Ventilating fan
US2212041A (en) * 1939-06-08 1940-08-20 Iig Electric Ventilating Compa Fan wheel
US3826591A (en) * 1971-06-02 1974-07-30 E Wilson Centrifugal marine propeller
US3972646A (en) * 1974-04-12 1976-08-03 Bolt Beranek And Newman, Inc. Propeller blade structures and methods particularly adapted for marine ducted reversible thrusters and the like for minimizing cavitation and related noise
JPS6021518Y2 (ja) * 1980-03-07 1985-06-26 アイシン精機株式会社 内燃機関の冷却装置用フアン
US4358245A (en) * 1980-09-18 1982-11-09 Bolt Beranek And Newman Inc. Low noise fan
US4685513A (en) * 1981-11-24 1987-08-11 General Motors Corporation Engine cooling fan and fan shrouding arrangement
US4459087A (en) * 1982-06-02 1984-07-10 Aciers Et Outillage Peugeot Fan unit for an internal combustion engine of automobile vehicle
US4569632A (en) * 1983-11-08 1986-02-11 Airflow Research And Manufacturing Corp. Back-skewed fan
DE3568072D1 (en) * 1984-06-27 1989-03-09 Fram Ltd Canada Improved axial fan
US4569631A (en) * 1984-08-06 1986-02-11 Airflow Research And Manufacturing Corp. High strength fan
CH667901A5 (de) * 1985-05-02 1988-11-15 Papst Motoren Gmbh & Co Kg Einbauventilator.
IT206701Z2 (it) * 1985-08-02 1987-10-01 Gate Spa Ventilatore assiale particolarmente per autoveicoli
JP2590514B2 (ja) * 1987-03-13 1997-03-12 日本電装株式会社 送風ファン
IT214345Z2 (it) * 1988-04-01 1990-05-03 Magneti Marelli Spa Ventilatore assiale particolarmente per autoveicoli

Also Published As

Publication number Publication date
EP0500782B1 (de) 1995-07-19
DE69021076T2 (de) 1995-12-14
JPH05501744A (ja) 1993-04-02
ES2076511T3 (es) 1995-11-01
US5064345A (en) 1991-11-12
EP0500782A1 (de) 1992-09-02
WO1991007593A1 (en) 1991-05-30
EP0500782A4 (de) 1992-06-24

Similar Documents

Publication Publication Date Title
DE69021076D1 (de) Gebläse mit mehrfach gekrümmten schaufeln mit abruptem übergang der krümmung.
DE69022405D1 (de) Zentrifugalgebläse mit schaufeln mit variabler krümmung.
DE59009508D1 (de) Generator mit zusatzlüfter.
DE69022730D1 (de) Gebläse mit änderlichem schiefstand.
DE3874356D1 (de) Giessen von turbinenteilen mit integrierten schaufeln.
FI894095A (fi) Vaermare foer anvaendning i mikrovaogsugnar.
DE58909523D1 (de) Fasertechnische Propellerschaufeln.
DE68900822D1 (de) Verriegelung mit entkuppelbarem rotor.
DE69108621T2 (de) Mischerlaufrad mit hohem wirkungsgrad.
DE69100652D1 (de) Turbomaschinenrotor mit Schaufelbefestigung.
FI891949A (fi) Vinterlandskapsrum eller rumsstudium.
FI902100A0 (fi) Foerpackning foer upphettande eller kokande av en matprodukt i en hetluftsugn.
DE68908865T2 (de) Reinigungsgerät mit aerodynamischen profilen.
DE69005020T2 (de) Bestimmung der Blattsteigung von Propellerblättern.
DE59103180D1 (de) Propeller mit verwindbaren blättern.
FI910340A0 (fi) Anordning foer anvaendning av svetselektroder eller svetstaenger i en motstaendsvetsmaskin.
DE69209484T3 (de) Lüfter mit konvexen Schaufeln
DE69006670T2 (de) Zentrifugal-abschleudervorrichtung mit energieumwandlung.
FI900732A0 (fi) Skyddskaopa foer en skrivanordning eller liknande.
FI102104B1 (fi) Tuuletin, jossa on vapaasti laakeroitu juoksupyörä
FI892093A (fi) Propeller.
FI904145A0 (fi) Daevert foer raeddningsbaot eller dylikt.
FI893690A (fi) Bildtelefonterminal eller liknande.
FI892799A0 (fi) Stroemprofileringsanordning foer en inloppslaoda i en pappers- och/eller kartongmaskin.
FI904146A0 (fi) Daevert foer livraeddningsflotte eller dylikt.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition