In a water wheel with an integrated electrical generator, a ring element for forming a rotor is rigidly concentrically connected with the water wheel. The ring element is assembled of modular individual segments with inserted permanent magnets. At least one corresponding partial ring as a stator is
In a water wheel with an integrated electrical generator, a ring element for forming a rotor is rigidly concentrically connected with the water wheel. The ring element is assembled of modular individual segments with inserted permanent magnets. At least one corresponding partial ring as a stator is allocated to the rotor, whereby each partial ring carries electrical coils in correlation to the permanent magnets of the ring element of the rotor. The partial rings of the stator are stationarily mounted by holding elements on support struts of the water wheel.
대표청구항▼
1. A water wheel apparatus comprising: a stationary support structure;a water wheel rotatably supported on said stationary support structure such that said water wheel is rotatable about an axis; andat least one electrical generator including a rotor and a stator;wherein:said water wheel includes a
1. A water wheel apparatus comprising: a stationary support structure;a water wheel rotatably supported on said stationary support structure such that said water wheel is rotatable about an axis; andat least one electrical generator including a rotor and a stator;wherein:said water wheel includes a wheel structure arranged concentrically about said axis, and blades, paddles or buckets that are carried by said wheel structure and that are arranged and adapted to be driven by moving water impinging on said blades, paddles or buckets along a water-impinged sector of said water wheel;said rotor comprises a rotor ring element arranged concentrically about said axis and connected to said water wheel for rotation therewith about said axis, and plural permanent magnets carried by said rotor ring element;said stator comprises at least one stator partial ring sector arranged in said water-impinged sector of said water wheel adjacent to and extending along a portion of said rotor ring element, and plural electrical coils carried by said at least one stator partial ring sector adjacent to some of said permanent magnets; andsaid stator further comprises mounting elements that stationarily connect and mount said at least one stator partial ring sector to said stationary support structure. 2. The water wheel apparatus according to claim 1, wherein said rotor ring element comprises and is modularly assembled from plural individual rotor partial ring sectors. 3. The water wheel apparatus according to claim 2, wherein said wheel structure comprises and is modularly assembled from plural individual wheel rim sectors, and said individual rotor partial ring sectors are respectively individually allocated to and integrated in said individual wheel rim sectors. 4. The water wheel apparatus according to claim 1, wherein said at least one stator partial ring sector extends around only a sectorial portion of a complete circle about said axis. 5. The water wheel apparatus according to claim 4, wherein said sectorial portion of said complete circle corresponds to at least a one-third sector and not more than a one-half sector of said complete circle at a bottom portion of said water wheel below said axis. 6. The water wheel apparatus according to claim 1, wherein said at least one stator partial ring sector includes plural stator partial ring sectors. 7. The water wheel apparatus according to claim 1, wherein said permanent magnets are arranged on at least one surface of said rotor ring element selected from the group consisting of an inner circumferential surface, an outer circumferential surface, a front side surface, or a rear side surface, and wherein said at least one stator partial ring sector is configured and arranged to carry said electrical coils adjacent to at least some of said permanent magnets. 8. The water wheel apparatus according to claim 7, wherein said electrical coils are arranged adjacent to and facing said permanent magnets with a field gap therebetween. 9. The water wheel apparatus according to claim 7, wherein respective sets of said permanent magnets are respectively arranged on a plurality of said surfaces of said rotor ring element. 10. The water wheel apparatus according to claim 9, wherein said plurality of said surfaces of said rotor ring element include two oppositely facing surfaces of said rotor ring element, and wherein said at least one stator partial ring sector includes two stator partial ring sectors arranged spaced apart from one another with said rotor ring element received therebetween and with two respective sets of said electrical coils that are respectively carried by said two stator partial ring sectors and that respectively face said respective sets of said permanent magnets on said two oppositely facing surfaces of said rotor ring element. 11. The water wheel apparatus according to claim 10, wherein said two respective sets of said electrical coils are staggered from one another by one-half of a width of one of said electrical coils in a rotational direction about said axis. 12. The water wheel apparatus according to claim 1, wherein said permanent magnets are set into said rotor ring element in a pattern of successive teeth of a comb. 13. The water wheel apparatus according to claim 1, wherein said at least one electrical generator includes two of said electrical generators arranged respectively at two axially opposite sides of said water wheel. 14. The water wheel apparatus according to claim 4, wherein said sectorial portion amounts to less than one half of said complete circle. 15. The water wheel apparatus according to claim 4, wherein said sectorial portion amounts to about one third of said complete circle. 16. The water wheel apparatus according to claim 4, wherein said sectorial portion amounts to about one quarter of said complete circle. 17. The water wheel apparatus according to claim 4, wherein said sectorial portion of said complete circle spans no more than said water-impinged sector of said water wheel plus a circumferential sector including two of said blades, paddles or buckets in a circumferential direction about said axis. 18. The water wheel apparatus according to claim 1, wherein said stator is confined to a half of a circle on one side of said axis including said water-impinged sector. 19. The water wheel apparatus according to claim 18, wherein said stationary support structure is located in said half of said circle. 20. The water wheel apparatus according to claim 18, wherein said water-impinged sector is confined to said half of said circle. 21. The water wheel apparatus according to claim 1, wherein said stator extends in a circumferential direction about said axis along said water impinged sector of said water wheel plus a circumferential sector including no more than two of said blades, paddles or buckets. 22. The water wheel apparatus according to claim 1, wherein said wheel structure includes a central wheel hub that is located concentrically on said axis and is rotatably supported relative to said stationary support structure, a peripheral wheel rim arranged concentrically about and radially spaced from said wheel hub, and a plurality of spokes extending radially outwardly from said wheel hub and connecting said wheel rim to said wheel hub,wherein said rotor ring element is mounted on said spokes radially between said wheel hub and said wheel rim, andwherein said mounting elements comprise arc-shaped mounting arms which extend from said stationary support structure and on which said at least one stator partial ring sector is mounted.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (30)
Wobben, Aloys, Apparatus and method to convert marine current into electrical power.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.