JPS57116177A - Darius wind mill - Google Patents

Darius wind mill

Info

Publication number
JPS57116177A
JPS57116177A JP119981A JP119981A JPS57116177A JP S57116177 A JPS57116177 A JP S57116177A JP 119981 A JP119981 A JP 119981A JP 119981 A JP119981 A JP 119981A JP S57116177 A JPS57116177 A JP S57116177A
Authority
JP
Japan
Prior art keywords
blade
angle
wind mill
wind
attack
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.)
Pending
Application number
JP119981A
Other languages
Japanese (ja)
Inventor
Hiroaki Nakano
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP119981A priority Critical patent/JPS57116177A/en
Publication of JPS57116177A publication Critical patent/JPS57116177A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

Landscapes

  • Wind Motors (AREA)

Abstract

PURPOSE: To increase rotatory torque of wind mill and improve characteristics of power output by a method wherein a variable mechanism of the blade fixing attack angle of Darius wind mill's blade against direction of wind may be held at its optimum each time.
CONSTITUTION: An angle of attack obtained by Darius wind mill's blade 1 against a uniform air current V0 is to be constituted so that reciprocal speed W during one rotation of vane wheel and a torque changeable with variation of angle of attack α are set at the optimum. Therefore, a blade ring 3 connected with a blade 1 is variable to the direction α0 by a pitch ring 6 through the intermediary of pitch arm 5, and lift force and resisting force occurred on the blade 1 are conveyed to a rotary shaft 2 through a stay 4. Thus energy of the wind is converted to energy to rotate the rotary shaft 2 by the wind mill, and the blade fixing angle is made variable arbitrarily by up and down motion of the pitch ring 6. Efficiency of the wind mill can be improved as compared with the case that angle of attack of the blade is fixed because a torque of the wind mill is balanced with the angle of the blade 1 during its rotation.
COPYRIGHT: (C)1982,JPO&Japio
JP119981A 1981-01-09 1981-01-09 Darius wind mill Pending JPS57116177A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP119981A JPS57116177A (en) 1981-01-09 1981-01-09 Darius wind mill

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP119981A JPS57116177A (en) 1981-01-09 1981-01-09 Darius wind mill

Publications (1)

Publication Number Publication Date
JPS57116177A true JPS57116177A (en) 1982-07-20

Family

ID=11494785

Family Applications (1)

Application Number Title Priority Date Filing Date
JP119981A Pending JPS57116177A (en) 1981-01-09 1981-01-09 Darius wind mill

Country Status (1)

Country Link
JP (1) JPS57116177A (en)

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