DE3943075C2 - - Google Patents

Info

Publication number
DE3943075C2
DE3943075C2 DE3943075A DE3943075A DE3943075C2 DE 3943075 C2 DE3943075 C2 DE 3943075C2 DE 3943075 A DE3943075 A DE 3943075A DE 3943075 A DE3943075 A DE 3943075A DE 3943075 C2 DE3943075 C2 DE 3943075C2
Authority
DE
Germany
Prior art keywords
ribs
spar
propeller
rib
rod element
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 - Fee Related
Application number
DE3943075A
Other languages
German (de)
English (en)
Other versions
DE3943075A1 (de
Inventor
Ferdinand Dr. 5340 Bad Honnef De Lutz
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.)
LUTZ, FERDINAND, DR., 5340 BAD HONNEF, DE
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE3943075A priority Critical patent/DE3943075A1/de
Priority to DE4010211A priority patent/DE4010211A1/de
Publication of DE3943075A1 publication Critical patent/DE3943075A1/de
Application granted granted Critical
Publication of DE3943075C2 publication Critical patent/DE3943075C2/de
Granted legal-status Critical Current

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
    • B64C11/30—Blade pitch-changing mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • 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)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Toys (AREA)
  • Wind Motors (AREA)
DE3943075A 1989-12-27 1989-12-27 Propeller mit verwindbaren blaettern Granted DE3943075A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE3943075A DE3943075A1 (de) 1989-12-27 1989-12-27 Propeller mit verwindbaren blaettern
DE4010211A DE4010211A1 (de) 1989-12-27 1990-03-30 Propeller mit verwindbaren blaettern

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3943075A DE3943075A1 (de) 1989-12-27 1989-12-27 Propeller mit verwindbaren blaettern

Publications (2)

Publication Number Publication Date
DE3943075A1 DE3943075A1 (de) 1991-07-04
DE3943075C2 true DE3943075C2 (enrdf_load_stackoverflow) 1993-01-07

Family

ID=6396490

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3943075A Granted DE3943075A1 (de) 1989-12-27 1989-12-27 Propeller mit verwindbaren blaettern
DE4010211A Granted DE4010211A1 (de) 1989-12-27 1990-03-30 Propeller mit verwindbaren blaettern

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE4010211A Granted DE4010211A1 (de) 1989-12-27 1990-03-30 Propeller mit verwindbaren blaettern

Country Status (1)

Country Link
DE (2) DE3943075A1 (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3943075A1 (de) * 1989-12-27 1991-07-04 Ferdinand Dr Lutz Propeller mit verwindbaren blaettern
DE19821268C2 (de) * 1998-05-13 2001-05-03 Hubert Karl Aktive Rotorblattverstellung durch Drallvektorregelung bzw. Drallvektorsteuerung
AUPS266702A0 (en) 2002-05-30 2002-06-20 O'connor, Arthur Improved turbine
WO2016048221A1 (en) 2014-09-25 2016-03-31 Winfoor Ab Rotor blade for wind turbine
US10801469B2 (en) * 2017-11-07 2020-10-13 General Electric Company Wind blade joints with floating connectors

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2627928A (en) * 1945-04-30 1953-02-10 Alexander S Mullgardt Propeller
DE1281271B (de) * 1964-11-23 1968-10-24 Hugo T Grut Luftschraube mit verstellbarer Blattverwindung
GB1188947A (en) * 1966-10-24 1970-04-22 Westland Aircraft Ltd Improvements in or relating to Lift Rotors and Propellers.
GB1188946A (en) * 1966-10-24 1970-04-22 Westland Aircraft Ltd Improvements in or Relating to Rotor and Propeller Blades.
DE2164648A1 (de) * 1971-12-24 1973-06-28 Ver Flugtechnische Werke Blattfluegel mit variabler verwindung fuer rotor- und luftschraubenblaetter
DE3737894A1 (de) * 1987-11-07 1989-05-18 Ferdinand Dr Lutz Propeller mit verstellbaren blaettern
DE3943075A1 (de) * 1989-12-27 1991-07-04 Ferdinand Dr Lutz Propeller mit verwindbaren blaettern

Also Published As

Publication number Publication date
DE3943075A1 (de) 1991-07-04
DE4010211C2 (enrdf_load_stackoverflow) 1993-04-22
DE4010211A1 (de) 1991-10-02

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