ZA81595B - Axial paddle-wheel fan with increased traction power whose paddles are not twisted - Google Patents

Axial paddle-wheel fan with increased traction power whose paddles are not twisted

Info

Publication number
ZA81595B
ZA81595B ZA00810595A ZA81595A ZA81595B ZA 81595 B ZA81595 B ZA 81595B ZA 00810595 A ZA00810595 A ZA 00810595A ZA 81595 A ZA81595 A ZA 81595A ZA 81595 B ZA81595 B ZA 81595B
Authority
ZA
South Africa
Prior art keywords
twisted
traction power
power whose
increased traction
wheel fan
Prior art date
Application number
ZA00810595A
Inventor
A Mosiewicz
Original Assignee
Cofimco Sas
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 Cofimco Sas filed Critical Cofimco Sas
Publication of ZA81595B publication Critical patent/ZA81595B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/0608—Rotors characterised by their aerodynamic shape
    • F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
    • B64C11/16—Blades
    • B64C11/18—Aerodynamic features
    • 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
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • 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
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/301—Cross-section characteristics
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
ZA00810595A 1980-02-06 1981-01-28 Axial paddle-wheel fan with increased traction power whose paddles are not twisted ZA81595B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT19726/80A IT1141170B (en) 1980-02-06 1980-02-06 AXIAL FAN WITH BENDS NOT CROSSED AND WITH INCREASED TRACTION

Publications (1)

Publication Number Publication Date
ZA81595B true ZA81595B (en) 1982-04-28

Family

ID=11160690

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00810595A ZA81595B (en) 1980-02-06 1981-01-28 Axial paddle-wheel fan with increased traction power whose paddles are not twisted

Country Status (8)

Country Link
JP (1) JPS56126698A (en)
CA (1) CA1164420A (en)
DE (1) DE3104203A1 (en)
FR (1) FR2475158B1 (en)
GB (1) GB2068472B (en)
IT (1) IT1141170B (en)
NL (1) NL187057C (en)
ZA (1) ZA81595B (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58178499U (en) * 1982-05-25 1983-11-29 株式会社日本空調器技研 Blade material for impellers for centrifugal blowers
JPS5927196U (en) * 1982-08-12 1984-02-20 昭和アルミニウム株式会社 impeller blades
JPS5927197U (en) * 1982-08-12 1984-02-20 昭和アルミニウム株式会社 impeller blades
SE8206627L (en) * 1982-11-22 1984-05-23 Sture Astrom freezing tunnel
US4571156A (en) * 1984-03-05 1986-02-18 D. C. Research, Inc. Air foil with trailing spoiler
GB2246398A (en) * 1990-07-26 1992-01-29 Howden Wind Turbines Limited Wind turbine blade and rotor incorporating same
DE4413235C2 (en) * 1994-04-15 1999-04-29 Voest Alpine Tunneltechnik Gmb Tunnel boring machine or pipe jacking machine
US5711653A (en) * 1994-07-31 1998-01-27 Mccabe; Francis J. Air lifted airfoil
US6030179A (en) * 1995-07-31 2000-02-29 Mccabe; Francis J. Airfoil structures and method
US6039533A (en) * 1995-07-31 2000-03-21 Mccabe; Francis J. Fan blade, structures and methods
US6010307A (en) * 1995-07-31 2000-01-04 Mccabe; Francis J. Propeller, structures and methods
US6132181A (en) * 1995-07-31 2000-10-17 Mccabe; Francis J. Windmill structures and systems
NL1015558C2 (en) * 2000-06-28 2002-01-08 Stichting En Onderzoek Ct Nede Blade of a wind turbine.
EP1205661A1 (en) 2000-11-13 2002-05-15 Isidro U. Ursua Vertical axis wind turbine
ITMI20010131A1 (en) * 2001-01-25 2002-07-26 Giorgio Cipelletti AXIAL FAN WITH DIFFERENTIATED TORSION BLADES
DK2479423T3 (en) 2011-01-24 2018-05-28 Siemens Ag Wind turbine rotor blade element
DE102012209935A1 (en) * 2011-12-08 2013-06-13 Wobben Properties Gmbh Rear box, rotor blade with rear box and wind turbine with such rotor blade
DE102012004617A1 (en) * 2012-03-06 2013-09-12 Ziehl-Abegg Ag Axial
WO2014185758A1 (en) 2013-05-17 2014-11-20 Shaikenov Blok Wind wheel (with two alternatives)
DK3686423T3 (en) * 2019-01-22 2023-02-27 Wepfer Technics Ag Rotor blade for a wind turbine
US11761418B2 (en) * 2019-08-14 2023-09-19 Power Curve Aps Wind turbine blade with a gurney flap

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB299387A (en) * 1927-10-25 1929-01-31 Camille Edmond Outurquin Improvements in air propellers
US1873853A (en) * 1930-09-18 1932-08-23 Murray T Quigg Rotor, impeller, or the like
GB352833A (en) * 1930-10-04 1931-07-16 Joseph Jeremiah Callahan Improvements in or relating to screw propellers
US2385070A (en) * 1941-10-08 1945-09-18 Gant Leslie Fan
GB637669A (en) * 1945-03-27 1950-05-24 Edmond De Lagabbe Improvements in screw propellers
CH368892A (en) * 1957-04-16 1963-04-30 Enso Gutzeit Oy Axial impeller, especially for fans
GB848278A (en) * 1957-04-16 1960-09-14 Enso Gutzeit Oy Improvements in or relating to impellers
DE1528887A1 (en) * 1963-09-26 1969-10-30 Winter Dr Heinrich Hydrodynamic or aerodynamic guide or conveyor element
GB1037940A (en) * 1964-08-05 1966-08-03 United Aircraft Corp Marine propeller
DE2112261A1 (en) * 1971-03-13 1972-09-14 Battelle Institut E V Cooling fan
US4142844A (en) * 1977-05-31 1979-03-06 Allware Agencies Ltd. Fan blade assemblies for box fans
JPS55165994U (en) * 1979-05-18 1980-11-28
JPS55165993U (en) * 1979-05-18 1980-11-28

Also Published As

Publication number Publication date
JPS639119B2 (en) 1988-02-25
FR2475158B1 (en) 1985-12-20
NL187057B (en) 1990-12-17
CA1164420A (en) 1984-03-27
NL187057C (en) 1991-05-16
DE3104203C2 (en) 1988-12-22
GB2068472B (en) 1984-05-16
FR2475158A1 (en) 1981-08-07
IT1141170B (en) 1986-10-01
DE3104203A1 (en) 1982-02-25
GB2068472A (en) 1981-08-12
IT8019726A0 (en) 1980-02-06
NL8100593A (en) 1981-09-01
JPS56126698A (en) 1981-10-03

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