Horizontally-laid tangential rooftop wind power generator
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F03D-009/00
H02P-009/04
E04D-013/18
E04H-014/00
F24J-002/46
F03D-003/04
E04D-013/10
H02J-007/35
F03D-011/04
F03D-003/00
F24J-002/04
H02J-007/34
E04D-003/08
F24J-002/34
출원번호
US-0929824
(2013-06-28)
등록번호
US-9133822
(2015-09-15)
우선권정보
CN-2012 1 0545387 (2012-12-14)
발명자
/ 주소
Tang, Wai Yee
출원인 / 주소
Tang, Wai Yee
인용정보
피인용 횟수 :
2인용 특허 :
4
초록▼
The present application is directed to a horizontally-laid tangential rooftop wind power generator comprising: a generator mounted on a chassis and coupled to a tangential fan wheel or a plurality of tangential fan wheels, all housed in a cover with two long fan openings one at each of the two sides
The present application is directed to a horizontally-laid tangential rooftop wind power generator comprising: a generator mounted on a chassis and coupled to a tangential fan wheel or a plurality of tangential fan wheels, all housed in a cover with two long fan openings one at each of the two sides. Wind-directing panels extend outwardly from the two fan openings to form two shrouded duct openings.
대표청구항▼
1. A horizontally-laid tangential rooftop wind power generator comprising: (a) a chassis;(b) a generator mounted on the chassis;(c) at least one fan wheel mounted horizontally on the chassis and rotatably coupled to the generator;(d) a cover with two opposite lateral fan openings to encase the gener
1. A horizontally-laid tangential rooftop wind power generator comprising: (a) a chassis;(b) a generator mounted on the chassis;(c) at least one fan wheel mounted horizontally on the chassis and rotatably coupled to the generator;(d) a cover with two opposite lateral fan openings to encase the generator and at least one fan wheel; and(e) a front shrouded duct and a rear shrouded duct each extending from the two opposite fan openings of the fan wheel respectively, each shrouded duct being formed by a plurality of wind-directing panels extending outwardly from its corresponding fan opening;wherein the fan wheel comprises a plurality of wind blades mounted tangentially on two rims of the fan wheel, each wind blade is a long and slim blade having a cross-sectional shape of an arc and with two longitudinal edges slightly extended and folded backwards in line with the chord to form a wind augment zone at the underside of wind blade to enhance efficiency in capturing wind energy;wherein incoming wind is compressed and positively pressurized at a front wind augment zone defined by the front shrouded duct and the rooftop such that incoming wind is forced to diffuse through the fan wheel at an accelerated speed prior to entering into a rear shrouded duct region where pressure is negative, hence helping draw in more volume of air from the front before discharge to open air;wherein an upper edge of a lower wind-directing panel of the front shrouded duct extends to a region at about ¼ diameter height of the fan wheel; while at the rear shrouded duct, a lower edge of an upper wind-directing panel extends to a region at about ¼ diameter height of the fan wheel, whereby the upper and lower wind-directing panels guide passage of wind such that the fan wheel being encased inside the cover is allowed to rotate in one direction only irrespective of the direction of incoming wind;wherein the rooftop wind power generator is mounted on the body of a solar hot water system with a heating element inside the hot water storage cistern, and with heater wires paved on surface of vacuum solar heat collector tubes extending from the body of the water storage cistern; the electricity generated by the rooftop wind power generator can be fed to the heating element inside the hot water storage cistern to heat up water, or to a plurality of heater wires paved on surface of the vacuum solar heat collector tubes to melt away covering snow to enhance solar heat absorption efficiency; andwherein the vacuum solar heat collector tubes are arranged in two layers, wherein the tubes of the bottom layer are offset from the tubes of the upper layer such that any seepage of sunshine through the tubes of the top layer can be captured by the tubes of the bottom layer. 2. A horizontally-laid tangential rooftop wind power generator comprising: (a) a chassis;(b) a generator mounted on the chassis;(c) at least one fan wheel mounted horizontally on the chassis and rotatably coupled to the generator;(d) a cover with two opposite lateral fan openings to encase the generator and at least one fan wheel; and(e) a front shrouded duct and a rear shrouded duct each extending from the two opposite fan openings of the fan wheel respectively, each shrouded duct being formed by a plurality of wind-directing panels extending outwardly from its corresponding fan opening;wherein the fan wheel comprises a plurality of wind blades mounted tangentially on two rims of the fan wheel, each wind blade is a long and slim blade having a cross-sectional shape of an arc and with two longitudinal edges slightly extended and folded backwards in line with the chord to form a wind augment zone at the underside of wind blade to enhance efficiency in capturing wind energy;wherein incoming wind is compressed and positively pressurized at a front wind augment zone defined by the front shrouded duct and the rooftop such that incoming wind is forced to diffuse through the fan wheel at an accelerated speed prior to entering into a rear shrouded duct region where pressure is negative, hence helping draw in more volume of air from the front before discharge to open air; andwherein an upper edge of a lower wind-directing panel of the front shrouded duct extends to a region at about ¼ diameter height of the fan wheel; while at the rear shrouded duct, a lower edge of an upper wind-directing panel extends to a region at about ¼ diameter height of the fan wheel, whereby the upper and lower wind-directing panels guide passage of wind such that the fan wheel being encased inside the cover is allowed to rotate in one direction only irrespective of the direction of incoming wind. 3. The horizontally-laid tangential rooftop wind power generator according to claim 2, wherein the rooftop wind power generator is mounted on the body of a solar hot water system with a heating element inside the hot water storage cistern, and with heater wires paved on surface of vacuum solar heat collector tubes extending from the body of the water storage cistern; the electricity generated by the rooftop wind power generator can be fed to the heating element inside the hot water storage cistern to heat up water, or to a plurality of heater wires paved on surface of the vacuum solar heat collector tubes to melt away covering snow to enhance solar heat absorption efficiency. 4. The horizontally-laid tangential rooftop wind power generator according to claim 3, wherein the vacuum solar heat collector tubes are arranged in two layers, wherein the tubes of the bottom layer are offset from the tubes of the upper layer such that any seepage of sunshine through the tubes of the top layer can be captured by the tubes of the bottom layer. 5. The horizontally-laid tangential rooftop wind power generator according to claim 3, further comprises a light reflective membrane placed at an underside of the vacuum solar heat collector tubes to reflect seepage of sunshine through the vacuum solar heat collector tubes and the reflected sunshine from surrounding back to the vacuum solar heat collector tubes to enhance solar heat absorption efficiency. 6. The horizontally-laid tangential rooftop wind power generator according to claim 2, wherein the rooftop wind power generator is installed in synergy with a split solar hot water system having a hot water storage cistern placed on ground and a plurality of flat solar heat collector panels mounted on roof, whereby electricity generated by the rooftop wind power generator can be fed to a heating element inside the hot water storage cistern to heat up water, and to a plurality of heater wires paved on surface of the flat solar heat collector panels to melt away covering snow to enhance solar heat absorption efficiency. 7. The horizontally-laid tangential rooftop wind power generator according to claim 2, wherein the rooftop wind power generator is installed in synergy with a rooftop photo voltaic panel system having a plurality of photo voltaic panels, whereby electricity generated by the rooftop wind power generator can be fed to a plurality of heater wires paved on surface of the photo voltaic panels to melt away covering snow to enhance solar heat absorption efficiency. 8. The horizontally-laid tangential rooftop wind power generator according to claim 3, wherein a battery bank is incorporated in an electricity output circuit of the generator such that when the battery bank is fully charged, surplus electricity can be fed to a heating element inside the hot water storage cistern to heat up water, whereby the heating element may act as a dummy load for protection of a power control circuit. 9. The horizontally-laid tangential rooftop wind power generator according to claim 6, wherein a battery bank is incorporated in an electricity output circuit of the generator such that when the battery bank is fully charged, surplus electricity can be fed to the heating element inside the hot water storage cistern to heat up water, whereby the heating element may act as a dummy load for protection of a power control circuit. 10. A horizontally-laid tangential rooftop wind power generator comprising: (a) a chassis;(b) a generator mounted on the chassis;(c) at least one fan wheel mounted horizontally on the chassis and rotatably coupled to the generator;(d) a cover with two opposite lateral fan openings to encase the generator and at least one fan wheel; and(e) a front shrouded duct and a rear shrouded duct each extending from the two opposite fan openings of the fan wheel respectively, each shrouded duct being formed by a plurality of wind-directing panels extending outwardly from its corresponding fan opening wherein the fan wheel comprises a plurality of wind blades mounted tangentially on two rims of the fan wheel, each wind blade is a long and slim blade having a cross-sectional shape of an arc and with two longitudinal edges slightly extended and folded backwards in line with the chord to form a wind augment zone at the underside of wind blade to enhance efficiency in capturing wind energy;wherein an upper edge of a lower wind-directing panel of the front shrouded duct extends to a region at about ¼ diameter height of the fan wheel; while at the rear shrouded duct, a lower edge of an upper wind-directing panel extends to a region at about ¼ diameter height of the fan wheel, whereby the upper and lower wind-directing panels guide passage of wind such that the fan wheel being encased inside the cover is allowed to rotate in one direction only irrespective of the direction of incoming wind. 11. The horizontally-laid tangential rooftop wind power generator according to claim 10, wherein incoming wind is compressed and positively pressurized at a front wind augment zone defined by the front shrouded duct and the rooftop such that incoming wind is forced to diffuse through the fan wheel at an accelerated speed prior to entering into a rear shrouded duct region where pressure is negative, hence helping draw in more volume of air from the front before discharge to open air. 12. The horizontally-laid tangential rooftop wind power generator according to claim 10, wherein the rooftop wind power generator is mounted on the body of a solar hot water system with a heating element inside the hot water storage cistern, and with heater wires paved on surface of vacuum solar heat collector tubes extending from the body of the water storage cistern; the electricity generated by the rooftop wind power generator can be fed to the heating element inside the hot water storage cistern to heat up water, or to a plurality of heater wires paved on surface of the vacuum solar heat collector tubes to melt away covering snow to enhance solar heat absorption efficiency. 13. The horizontally-laid tangential rooftop wind power generator according to claim 12, wherein the vacuum solar heat collector tubes are arranged in two layers, wherein the tubes of the bottom layer are offset from the tubes of the upper layer such that any seepage of sunshine through the tubes of the top layer can be captured by the tubes of the bottom layer. 14. The horizontally-laid tangential rooftop wind power generator according to claim 12, further comprises a light reflective membrane placed at an underside of the vacuum solar heat collector tubes to reflect seepage of sunshine through the vacuum solar heat collector tubes and the reflected sunshine from surrounding back to the vacuum solar heat collector tubes to enhance solar heat absorption efficiency. 15. The horizontally-laid tangential rooftop wind power generator according to claim 10, wherein the rooftop wind power generator is installed in synergy with a split solar hot water system having a hot water storage cistern placed on ground and a plurality of flat solar heat collector panels mounted on roof, whereby electricity generated by the rooftop wind power generator can be fed to a heating element inside the hot water storage cistern to heat up water, and to a plurality of heater wires paved on surface of the flat solar heat collector panels to melt away covering snow to enhance solar heat absorption efficiency. 16. The horizontally-laid tangential rooftop wind power generator according to claim 10, wherein the rooftop wind power generator is installed in synergy with a rooftop photo voltaic panel system having a plurality of photo voltaic panels, whereby electricity generated by the rooftop wind power generator can be fed to a plurality of heater wires paved on surface of the photo voltaic panels to melt away covering snow to enhance solar heat absorption efficiency. 17. The horizontally-laid tangential rooftop wind power generator according to claim 12, wherein a battery bank is incorporated in an electricity output circuit of the generator such that when the battery bank is fully charged, surplus electricity can be fed to a heating element inside the hot water storage cistern to heat up water, whereby the heating element may act as a dummy load for protection of a power control circuit. 18. The horizontally-laid tangential rooftop wind power generator according to claim 15, wherein a battery bank is incorporated in an electricity output circuit of the generator such that when the battery bank is fully charged, surplus electricity can be fed to the heating element inside the hot water storage cistern to heat up water, whereby the heating element may act as a dummy load for protection of a power control circuit.
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