SE436513B - DEVICE IN A WINDSCREEN - Google Patents

DEVICE IN A WINDSCREEN

Info

Publication number
SE436513B
SE436513B SE8206660A SE8206660A SE436513B SE 436513 B SE436513 B SE 436513B SE 8206660 A SE8206660 A SE 8206660A SE 8206660 A SE8206660 A SE 8206660A SE 436513 B SE436513 B SE 436513B
Authority
SE
Sweden
Prior art keywords
disc
blade
hub
wind
openings
Prior art date
Application number
SE8206660A
Other languages
Swedish (sv)
Other versions
SE8206660L (en
SE8206660D0 (en
Inventor
L Jilken
Original Assignee
Staangaakonsult Kalmar Hb
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 Staangaakonsult Kalmar Hb filed Critical Staangaakonsult Kalmar Hb
Priority to SE8206660A priority Critical patent/SE436513B/en
Publication of SE8206660D0 publication Critical patent/SE8206660D0/en
Priority to PCT/SE1983/000378 priority patent/WO1984002163A1/en
Priority to EP83903607A priority patent/EP0126114A1/en
Priority to NL8320348A priority patent/NL8320348A/en
Priority to AU22078/83A priority patent/AU2207883A/en
Priority to DE19833390366 priority patent/DE3390366T1/en
Publication of SE8206660L publication Critical patent/SE8206660L/en
Priority to DK302284A priority patent/DK302284A/en
Publication of SE436513B publication Critical patent/SE436513B/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
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0236—Adjusting aerodynamic properties of the blades by changing the active surface of the wind engaging parts, e.g. reefing or furling
    • 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
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/74—Adjusting of angle of incidence or attack of rotating blades by turning around an axis perpendicular the rotor centre line
    • 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
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/75—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism not using auxiliary power sources, e.g. servos
    • 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
    • F05B2260/00—Function
    • F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
    • F05B2260/77—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism driven or triggered by centrifugal forces
    • 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

Description

8206660-6 eller det närmast navet liggande området av bladet 1. Det fjädrande organets H uppgift är att så länge vindsnurran står stilla eller roterar sakta hålla skivan i ett första läge, fig 1. När vindsnurrans rotationshastighet ökar till följd av ökande vindhastighet, förskjuts skivan 3 successivt utåt från navet 2, mot verkan av det fjädrande organet Ä, tills skivan intagit ett andra läget, fig 2. 8206660-6 or the area closest to the hub of the blade 1. The function of the resilient member H is that as long as the wind turbine is stationary or rotating slowly hold the disc in a first position, Fig. 1. When the rotation speed of the wind spinner increases due to increasing wind speed, 3 successively outwards from the hub 2, against the action of the resilient member Ä, until the disc has assumed a second position, fig. 2.

Såväl bladet 1 som skivan 3 har en eller flera genomgående öppningar 5 resp 6, på ritningen åtta stycken. Dessa är disponerade lika på både bladet 1 och' skivan 3. När skivan 3 är i sitt första läge är öppningarna förskjutna relativt varandra så-att öppningarna 6 i skivan 3 täcks av bladet 1 och öppningarna 5 i detta täcks av skivan 3. Bladet 1 och skivan 3 bildar således en obruten angreppsyta för vinden.Both the blade 1 and the disc 3 have one or more through-openings 5 and 6, respectively, in the drawing eight pieces. These are disposed equally on both the blade 1 and the disc 3. When the disc 3 is in its first position the openings are displaced relative to each other so that the openings 6 in the disc 3 are covered by the blade 1 and the openings 5 therein are covered by the disc 3. The blade 1 and the disc 3 thus forms an unbroken attack surface for the wind.

När skivan av ovan angivet skäl successivt förskjuts mot det andra läget, kommer öppningarna 5, 6 att i allt mindre omfattning täckas av skivan 3 resp bladet 1 för att slutligen sammanfalla då skivan 3 befinner sig i det andra läget. Detta innebär att bladets 1 effektiva angreppsyta successivt minskar vid ökande vindhastighet.When the disc for the above reasons is successively displaced towards the second position, the openings 5, 6 will to an increasing extent be covered by the disc 3 and the blade 1, respectively, to finally coincide when the disc 3 is in the second position. This means that the effective attack surface of the blade 1 gradually decreases with increasing wind speed.

Genom uppfinningen åstadkommas således en enkel konstanthállning av vind- snurrans rotationshastighet då vindhastigheten varierar inom vissa gränser.The invention thus provides a simple constant maintenance of the rotational speed of the wind spinner as the wind speed varies within certain limits.

Claims (1)

1. azoeeso-6 Patentkrav Anordning vid en vindsnurra vars blad (1) är fast förenade vid ett roterbart lagrat nav (2), k ä n n e t e e k n a d därav, att snurrans blad (1) har en radiellt förskjutbar skiva (3), som under inverkan av ett mellan skivan (3) och bladet (1) eller navet (2) verkande fjädrande organ (4) hålls i ett första läge relativt navet (2) så länge víndsnurran står stilla eller roterar sakta, men vid ökande rotationshastighet av centrifugalkraften, mot verkan av det fjäd- rande organet (4), successivt förskjuts radiellt utåt från navet (2) till ett andra läge relativt detta och att såväl bladet (1) som tillhörande skiva (3) har en eller flera genomgående öppningar (5, 6) disponerade lika över bladet (1) och skivan (3) så att då skivan (3) är i det förstnämnda läget, denna täcker. öppningen eller öppningarna (5) i bladet (1) och vice versa, dvs bladet (1) och skivan (3) bildar en obruten angreppsyta för vinden och så att då skivan (3) till följd av ökad vindhastighet rör sig mot det andra läget, nämnda öppning eller öppningar (5, 6) i bladet (1) och skivan (3) alltmer sammanfaller, innebärande att bladets (1) angreppsyta successivt minskar vid ökande vindhas- tighet.Azoeeso-6 Patent claim Device for a wind spinner whose blades (1) are fixedly connected to a rotatably mounted hub (2), characterized in that the blade (1) of the spinner has a radially displaceable disc (3), which under impact of a resilient member (4) acting between the disc (3) and the blade (1) or the hub (2) is held in a first position relative to the hub (2) as long as the wind spinner is stationary or rotates slowly, but at increasing rotational speed of the centrifugal force, towards action of the resilient member (4), successively displaced radially outwards from the hub (2) to a second position relative thereto and that both the blade (1) and the associated disc (3) have one or more through-openings (5, 6) disposed equally over the blade (1) and the disc (3) so that when the disc (3) is in the first-mentioned position, it covers. the opening or openings (5) in the blade (1) and vice versa, i.e. the blade (1) and the disc (3) form an unbroken attack surface for the wind and so that when the disc (3) moves towards the second position due to increased wind speed , said opening or openings (5, 6) in the blade (1) and the disc (3) increasingly coincide, meaning that the contact surface of the blade (1) gradually decreases with increasing wind speed.
SE8206660A 1982-11-23 1982-11-23 DEVICE IN A WINDSCREEN SE436513B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE8206660A SE436513B (en) 1982-11-23 1982-11-23 DEVICE IN A WINDSCREEN
PCT/SE1983/000378 WO1984002163A1 (en) 1982-11-23 1983-11-02 Device at a wind propeller
EP83903607A EP0126114A1 (en) 1982-11-23 1983-11-02 Device at a wind propeller
NL8320348A NL8320348A (en) 1982-11-23 1983-11-02 EQUIPMENT ON A WINDMILL.
AU22078/83A AU2207883A (en) 1982-11-23 1983-11-02 Device at a wind propeller
DE19833390366 DE3390366T1 (en) 1982-11-23 1983-11-02 Device in a wind turbine
DK302284A DK302284A (en) 1982-11-23 1984-06-20 DEVICE FOR A WIND PROPELLER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8206660A SE436513B (en) 1982-11-23 1982-11-23 DEVICE IN A WINDSCREEN

Publications (3)

Publication Number Publication Date
SE8206660D0 SE8206660D0 (en) 1982-11-23
SE8206660L SE8206660L (en) 1984-05-24
SE436513B true SE436513B (en) 1984-12-17

Family

ID=20348705

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8206660A SE436513B (en) 1982-11-23 1982-11-23 DEVICE IN A WINDSCREEN

Country Status (6)

Country Link
EP (1) EP0126114A1 (en)
DE (1) DE3390366T1 (en)
DK (1) DK302284A (en)
NL (1) NL8320348A (en)
SE (1) SE436513B (en)
WO (1) WO1984002163A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2550450B1 (en) * 2010-03-23 2018-10-17 Dulcetti Filho, Flavio Francisco Vertical wind turbine with articulated blades
US8016560B2 (en) 2010-09-17 2011-09-13 General Electric Company Wind turbine rotor blade with actuatable airfoil passages
GB2484148A (en) * 2010-10-02 2012-04-04 Duncan James Parfitt Windmill with apertured flexible vanes
US8128364B2 (en) * 2010-12-07 2012-03-06 General Electric Company Wind turbine rotor blade with porous window and controllable cover member
DE102011117176A1 (en) * 2011-10-28 2013-05-02 Voith Patent Gmbh Rotor blade for a water turbine, in particular for a tidal power plant, and method for its operation
KR101387744B1 (en) 2012-03-20 2014-04-22 삼성중공업 주식회사 Wind turbine generator
DE102014203786A1 (en) * 2014-03-03 2015-09-03 Universität Stuttgart Turbine with controllable damping and wave power plant with improved performance

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1501248A (en) * 1918-07-15 1924-07-15 William J H Strong Method of controlling propellers

Also Published As

Publication number Publication date
WO1984002163A1 (en) 1984-06-07
EP0126114A1 (en) 1984-11-28
NL8320348A (en) 1985-02-01
DK302284D0 (en) 1984-06-20
DK302284A (en) 1984-06-20
DE3390366T1 (en) 1985-07-11
SE8206660L (en) 1984-05-24
SE8206660D0 (en) 1982-11-23

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