NL187057C - Hefschroef voor een hefschroefvliegtuig. - Google Patents

Hefschroef voor een hefschroefvliegtuig.

Info

Publication number
NL187057C
NL187057C NLAANVRAGE8100593,A NL8100593A NL187057C NL 187057 C NL187057 C NL 187057C NL 8100593 A NL8100593 A NL 8100593A NL 187057 C NL187057 C NL 187057C
Authority
NL
Netherlands
Prior art keywords
lifting
plane
screw
lifting screw
lifting plane
Prior art date
Application number
NLAANVRAGE8100593,A
Other languages
English (en)
Other versions
NL8100593A (nl
NL187057B (nl
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 NL8100593A publication Critical patent/NL8100593A/nl
Publication of NL187057B publication Critical patent/NL187057B/nl
Application granted granted Critical
Publication of NL187057C publication Critical patent/NL187057C/nl

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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
NLAANVRAGE8100593,A 1980-02-06 1981-02-06 Hefschroef voor een hefschroefvliegtuig. NL187057C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT19726/80A IT1141170B (it) 1980-02-06 1980-02-06 Ventilatore assiale a pale non svergolate ed a trazione incrementata
IT1972680 1980-02-06

Publications (3)

Publication Number Publication Date
NL8100593A NL8100593A (nl) 1981-09-01
NL187057B NL187057B (nl) 1990-12-17
NL187057C true NL187057C (nl) 1991-05-16

Family

ID=11160690

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE8100593,A NL187057C (nl) 1980-02-06 1981-02-06 Hefschroef voor een hefschroefvliegtuig.

Country Status (8)

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

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58178499U (ja) * 1982-05-25 1983-11-29 株式会社日本空調器技研 遠心送風機用羽根車の羽根材
JPS5927196U (ja) * 1982-08-12 1984-02-20 昭和アルミニウム株式会社 羽根車の羽根
JPS5927197U (ja) * 1982-08-12 1984-02-20 昭和アルミニウム株式会社 羽根車の羽根
SE8206627L (sv) * 1982-11-22 1984-05-23 Sture Astrom Frystunnel
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 (de) * 1994-04-15 1999-04-29 Voest Alpine Tunneltechnik Gmb Tunnelbohrmaschine bzw. Rohrvortriebsmaschine
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
US6010307A (en) * 1995-07-31 2000-01-04 Mccabe; Francis J. Propeller, structures and methods
US6039533A (en) * 1995-07-31 2000-03-21 Mccabe; Francis J. Fan blade, structures and methods
US6132181A (en) * 1995-07-31 2000-10-17 Mccabe; Francis J. Windmill structures and systems
NL1015558C2 (nl) * 2000-06-28 2002-01-08 Stichting En Onderzoek Ct Nede Blad van een windturbine.
EP1205661A1 (en) * 2000-11-13 2002-05-15 Isidro U. Ursua Vertical axis wind turbine
ITMI20010131A1 (it) * 2001-01-25 2002-07-26 Giorgio Cipelletti Ventilatore assiale con pale a torsione differenziata
DK2479423T3 (en) 2011-01-24 2018-05-28 Siemens Ag Wind turbine rotor blade element
DE102012209935A1 (de) * 2011-12-08 2013-06-13 Wobben Properties Gmbh Hinterkasten, Rotorblatt mit Hinterkasten und Windenergieanlage mit solchem Rotorblatt
DE102012004617A1 (de) * 2012-03-06 2013-09-12 Ziehl-Abegg Ag Axialventilator
EP2937557B1 (en) 2013-05-17 2017-11-15 Shaikenov, Blok Wind wheel (with two alternatives)
DK3686423T3 (da) * 2019-01-22 2023-02-27 Wepfer Technics Ag Rotorvinge til en vindmølle
WO2021028573A1 (en) * 2019-08-14 2021-02-18 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 (de) * 1957-04-16 1963-04-30 Enso Gutzeit Oy Axial-Flügelrad, insbesondere für Ventilatoren
GB848278A (en) * 1957-04-16 1960-09-14 Enso Gutzeit Oy Improvements in or relating to impellers
DE1528887A1 (de) * 1963-09-26 1969-10-30 Winter Dr Heinrich Hydrodynamisches oder aerodynamisches Leit- oder Foerderelement
GB1037940A (en) * 1964-08-05 1966-08-03 United Aircraft Corp Marine propeller
DE2112261A1 (de) * 1971-03-13 1972-09-14 Battelle Institut E V Kuehlerventilator
US4142844A (en) * 1977-05-31 1979-03-06 Allware Agencies Ltd. Fan blade assemblies for box fans
JPS55165993U (nl) * 1979-05-18 1980-11-28
JPS55165994U (nl) * 1979-05-18 1980-11-28

Also Published As

Publication number Publication date
GB2068472A (en) 1981-08-12
JPS56126698A (en) 1981-10-03
FR2475158B1 (fr) 1985-12-20
IT8019726A0 (it) 1980-02-06
DE3104203A1 (de) 1982-02-25
NL8100593A (nl) 1981-09-01
JPS639119B2 (nl) 1988-02-25
ZA81595B (en) 1982-04-28
FR2475158A1 (fr) 1981-08-07
GB2068472B (en) 1984-05-16
DE3104203C2 (nl) 1988-12-22
NL187057B (nl) 1990-12-17
CA1164420A (en) 1984-03-27
IT1141170B (it) 1986-10-01

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V1 Lapsed because of non-payment of the annual fee

Effective date: 19970901

XXP Miscellaneous

Free format text: A REQUEST FOR RESTORATION TO THE PRIOR STATE (ART. 17A OF THE PATENTS ACT) HAS BEEN FILED ON 30.03.98.

V1 Lapsed because of non-payment of the annual fee

Effective date: 19970901

XXP Miscellaneous

Free format text: THE REQUEST FOR RESTORATION TO THE PRIOR STATE AS PROVIDED FOR IN ART. 17A OF THE PATENTS ACT (SEE PUBLICATION IN HEADING X OF PATENT BULLETIN OF 02.06.98/06) HAS BEEN GRANTED; THE RESTORATION OF THE PATENT HAS BEEN ENTERED IN THE PATENT REGISTER.

V4 Discontinued because of reaching the maximum lifetime of a patent

Free format text: 20010206