US20120073565A1 - Single-axis solar tracker and solar power installation - Google Patents

Single-axis solar tracker and solar power installation Download PDF

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Publication number
US20120073565A1
US20120073565A1 US13/319,876 US201013319876A US2012073565A1 US 20120073565 A1 US20120073565 A1 US 20120073565A1 US 201013319876 A US201013319876 A US 201013319876A US 2012073565 A1 US2012073565 A1 US 2012073565A1
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US
United States
Prior art keywords
solar
secured
geared motor
rotating shaft
common rotating
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.)
Abandoned
Application number
US13/319,876
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English (en)
Inventor
Thomas Grant
Raul Morales torres
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.)
Soltec Energias Renovables SL
Original Assignee
Soltec Energias Renovables SL
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 Soltec Energias Renovables SL filed Critical Soltec Energias Renovables SL
Assigned to SOLTEC ENERGIAS RENOVABLES, S.L. reassignment SOLTEC ENERGIAS RENOVABLES, S.L. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: GRANT, THOMAS, MORALES TORRES, RAUL
Publication of US20120073565A1 publication Critical patent/US20120073565A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
    • F24S25/61—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures
    • F24S25/617—Elements driven into the ground, e.g. anchor-piles; Foundations for supporting elements; Connectors for connecting supporting structures to the ground or to flat horizontal surfaces
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/42—Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
    • F24S30/425—Horizontal axis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
    • H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
    • H01L31/042—PV modules or arrays of single PV cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10—Special components
    • F24S2030/13—Transmissions
    • F24S2030/131—Transmissions in the form of articulated bars
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10—Special components
    • F24S2030/13—Transmissions
    • F24S2030/134—Transmissions in the form of gearings or rack-and-pinion transmissions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00—Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10—Special components
    • F24S2030/13—Transmissions
    • F24S2030/137—Transmissions for deriving one movement from another one, e.g. for deriving elevation movement from azimuth movement
    • 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
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/47—Mountings or tracking
    • 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
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the present invention generally relates to a single-axis solar tracker of those comprising a series of solar panels which are oriented with respect to the orientation of the sun pivoting about a common shaft by means of an actuation mechanism including a geared motor, for the purpose of obtaining the greatest possible incidence of solar radiation over the solar panels at all times, and particularly to a solar tracker the geared motor of which is secured to a support base of the solar tracker.
  • the second aspect of the invention relates to a solar power installation comprising the solar tracker proposed by the first aspect with its actuation mechanism in mechanical connection with a series of actuation mechanisms of other solar trackers included in the installation.
  • Patent EP1169604B1 describes a single-axis solar tracker supported by a post secured to a first support base, and which comprises actuation means secured to a second support base distanced from the first.
  • Utility model ES-A-1046171 also describes one such single-axis solar tracker, which comprises a mechanism responsible for pivoting a shaft of several solar panels, formed by a towline guided by pulleys displacing a semicircular part coupled to said shaft.
  • Said utility model describes a device including a geared motor displacing a linear actuator, inside of which the mentioned towline is driven, the ends of which are secured in said semicircular part.
  • Both the geared motor and the linear actuator are arranged on the same support structure in which the solar panels are rotatably mounted through a common rotating shaft.
  • a biaxial tracker which uses an actuation mechanism similar to that of utility model ES-A-1046171 for inclining the rows of solar panels that it supports, but with the difference that instead using a towline which travels along pulleys for displacing the semicircular part coupled to the shaft of the solar panels, it uses a chain displaced by a corresponding motor along gears or cogwheels, is also known through application ES-A-2308910, property of the present applicant.
  • the present inventors are not aware of single-axis solar trackers the actuation means of which include a semicircular part as those described in two of the patent documents mentioned where the geared motor responsible for displacing is secured to the same support base to which is secured the support structure of the solar panels.
  • the present invention relates to a single-axis solar tracker comprising, is a known manner:
  • the solar tracker proposed by the present invention comprises a support base attached to the ground in which both said support structure and said geared motor is secured.
  • the geared motor is secured to the support base such that the output rotation shaft thereof, or the shaft of an outer reducing phase if it is the case, is aligned with the common rotating shaft in the same vertical plane, or slightly displaced.
  • the tracker proposed comprises more than one row of solar panels, and more than one support structure.
  • the width of each panel, transversally to the mentioned common rotating shaft, i.e. the width of the row of panels is advantageously greater than the distance between the common rotating shaft and the support base which is secured to the ground.
  • the solar tracker proposed by the invention does not include a linear actuator, in contrary to the tracker of the utility model ES-A-1046171, the width occupied by the actuation means is also considerably reduced in comparison with said utility model, and the stresses suffered by the support structure is reduced, which in the case of said utility model, are much greater due to the said support structure supporting the geared motor and the linear operator associated thereto.
  • the solar tracker proposed will have a very small height in comparison with the known single-axis solar trackers, causing a greater compactness, and above all the torque exerted by the geared motor for displacing the semicircular part, and thereby the solar panels, is likewise much lower than that needed for inclining the solar panels of the taller conventional trackers.
  • a second aspect of the present invention relates to a solar power installation comprising a solar tracker like that proposed by the first aspect of the invention, a plurality of similar solar trackers both which lack a geared motor, and transmission mechanisms for transmitting the rotation of the geared motor of the solar tracker of the present invention to all the other solar trackers.
  • Both the solar tracker proposed by the first aspect and the solar power installation proposed by the second aspect are applied to harness solar energy for any known purpose, from that referring to the obtaining of electrical energy, i.e. in the field of photovoltaic, to that referring to the heating of a fluid circulating through pipes heated by the solar panels.
  • FIGS. 1A and 1B are respective elevational side views showing the solar tracker proposed by the first aspect of the present invention from two opposite sides, for an embodiment, as well as two connecting rods forming part of a transmission mechanism provided for mechanically interconnecting the proposed solar tracker with another two solar trackers;
  • FIG. 2 is a view similar to that of FIG. 1 but for another alternative embodiment for which the proposed solar tracker has a support structure different from that of FIG. 1 ;
  • FIG. 3 is a elevational side view showing the solar tracker of FIG. 1 with a rail secured to the support base of another solar tracker, through which the geared motor has been removed in a guided manner from the proposed solar tracker to the maintenance position illustrated;
  • FIG. 4 is a perspective view which illustrating the solar power installation proposed by the second aspect of the invention, including two adjacent solar trackers, illustrated in part, one of which is that proposed by the first aspect of the invention according to the embodiment of FIGS. 1 and 3 ;
  • FIG. 5 is an elevational side view of the solar power installation proposed by the invention, for an embodiment for which the latter comprises five solar trackers, one of which, the central one, is the one proposed by the first aspect of the invention.
  • FIG. 6 is a plan view of the solar power installation proposed by the second aspect of the invention, for the same embodiment of FIG. 5 , wherein each solar tracker comprises a row formed by twenty-six solar panels.
  • FIG. 4 only part of the row H 1 of panels P is seen, the rest have not been illustrated so that the elements of the solar tracker S 1 proposed by the first aspect of the invention can be seen in greater detail.
  • the complete row H 1 is seen in FIG. 6 , illustrating a solar power installation which incorporates the tracker S 1 .
  • the tracker proposed comprises a support base B 1 attached to the ground (not illustrated), or to any other support surface considered convenient, in which the support structure, particularly the beam C 1 , and the geared motor M is secured by corresponding securing means, such as screws T 2 for the case of the beam C 1 , and screws T 1 for securing the geared motor M to the support base B 1 .
  • the geared motor M is linked to an outer reducing phase Re, both secured to the support base B 1 through a frame or support part 3 .
  • the geared motor M or the geared motor M plus the outer reducing phase Re assembly, is connected to the semicircular part P 1 by means of a traction operated flexible element which for the embodiment of FIGS. 1A , 1 B and 4 has not been illustrated, but which is of the same type illustrated in FIG. 2 , for the alternative embodiment depicted therein, which will subsequently be described.
  • the securing means for securing the geared motor M to the support base B 1 through the frame 3 , the latter are releasable securing means for securing/releasing the geared motor M with respect to the support base B 1 , which releasing, for the case where the securing means are screws T 1 , is performed by simply unscrewing them from the support base B 1 .
  • the solar tracker comprises, as seen particularly in FIGS. 3 and 4 , a rail 2 in which the geared motor M, and the outer reducing phase Re together with the frame 3 is guided, for removing them in a guided manner from the support base B 1 once released from the same, they are being carried for example to the space available between two solar trackers, the one proposed by the invention, indicated as S 1 in FIGS. 3 and 4 , and the adjacent one indicated as S 2 .
  • said rail 2 is secured to a vertical beam 5 secured to the support base B 1 and to another beam 6 secured to a support base B 8 of said adjacent tracker S 2 (the tracker S 2 particularly comprises two beams 6 , located on either side of a crank M 1 ), although for other non-illustrated embodiments, the rail 2 can be extended from S 1 to said available space and secured to the ground without the need of reaching the tracker S 2 .
  • the beam 5 is laterally displaced according to the direction of the rail 2 with respect to the beam C 1 , in order to not interfere with the arrangement of the geared motor M in the support base B 1 , for which the latter adopts an L-shaped, the beam 5 being secured on one of the branches of the L and the beam C 1 being secured on the other branch of said L, in an inside side of which the frame 3 is secured.
  • the tracker S 1 comprises a plurality of additional support structures, particularly vertical beams, one of which is illustrated in FIG. 4 indicated by reference number 11 , in which the common rotating shaft E 1 is rotatably mounted at different points distanced length-wise, and a plurality of support bases B 2 -B 7 (see FIG. 6 ) in each of which one of said beams is secured.
  • FIG. 2 illustrates an alternative embodiment for which the proposed solar tracker has a support structure comprising two parallel standards, on either side of the mentioned part P 1 in the form of a circular sector, each of them formed by two beams converging at a first end being secured in an annular bearing element A 1 , through which the rotatable common rotating shaft E 1 is arranged, said beams being secured at second ends in the mentioned support base B 1 and the geared motor M being arranged between the two beams of one or both of said standards.
  • FIG. 2 only illustrates one of said standards formed by beams C 2 and C 3 , wherein the mentioned converging first ends have been indicated as C 2 a -C 3 a and the mentioned second ends as C 2 b -C 3 b.
  • the support base B 1 comprises two blocks B 1 a, B 1 b separated from one another, each of said second ends C 2 b -C 3 b of said beams C 2 -C 3 being secured to a respective block of said two blocks B 1 a, B 1 b, and the geared motor M secured to the two blocks B 1 a, B 1 b.
  • FIG. 2 shows how the actuation means of the tracker illustrated therein comprise a traction operated flexible element 4 , indicated symbolically, such as a chain, which travels along cogwheels R 1 , R 2 , R 3 , one of which, in particular R 2 , is connected to the shaft Me of the geared motor M to be displaced by the same, said chain 4 being secured at its two end to two respective points of the semicircular part P 1 , for rotationally displacing it by traction.
  • a traction operated flexible element 4 indicated symbolically, such as a chain, which travels along cogwheels R 1 , R 2 , R 3 , one of which, in particular R 2 , is connected to the shaft Me of the geared motor M to be displaced by the same, said chain 4 being secured at its two end to two respective points of the semicircular part P 1 , for rotationally displacing it by traction.
  • a second aspect of the invention relates to a solar power installation comprising a solar tracker S 1 such as that proposed by the first aspect of the invention, a plurality of similar solar trackers S 2 , S 3 , S 4 , S 5 , the actuation means of which lack a geared motor, and transmission mechanisms for transmitting the rotation of the geared motor M to all the solar trackers S 2 -S 5 .
  • said transmission mechanism comprises a series of connecting rods D 1 -D 4 and a series of cranks M 1 -M 4 , each of them connected to a respective common rotating shaft E 2 -E 5 of one of said solar trackers S 2 -S 5 .
  • connecting rods D 1 , D 2 are articulately connected at one end to the part P 1 in the form of a circular sector (see in detail in FIGS. 1B and 2 ), and at their other ends to two respective cranks M 1 , M 2 of two S 2 , S 4 of said solar trackers, as illustrated in FIG. 5 .
  • the rest of the connecting rods D 3 , D 4 are articulately connected at each of their ends to a respective crank M 3 , M 4 of the rest of the solar trackers S 3 , S 5 , interconnecting all the cranks M 1 -M 4 and said part P 1 in the form of a circular sector, of all the solar trackers S 1 -S 5 , such that the movement produced by the geared motor M of the solar tracker S 1 is transmitted to the cranks M 1 -M 4 of the rest of the solar trackers S 2 -S 5 , and to the rotating shafts E 2 -E 5 which are secured to the same.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Energy (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Photovoltaic Devices (AREA)
  • Manufacture Of Motors, Generators (AREA)
  • Transmission Devices (AREA)
US13/319,876 2009-05-11 2010-04-13 Single-axis solar tracker and solar power installation Abandoned US20120073565A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ES200901188A ES2350071B1 (es) 2009-05-11 2009-05-11 Seguidor solar de un solo eje e instalacion de energia solar.
ES200901188 2009-05-11
PCT/ES2010/000155 WO2010130847A1 (fr) 2009-05-11 2010-04-13 Suiveur solaire à un seul axe et installation d'énergie solaire

Publications (1)

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US20120073565A1 true US20120073565A1 (en) 2012-03-29

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US13/319,876 Abandoned US20120073565A1 (en) 2009-05-11 2010-04-13 Single-axis solar tracker and solar power installation

Country Status (10)

Country Link
US (1) US20120073565A1 (fr)
EP (1) EP2431683A1 (fr)
KR (1) KR20120015350A (fr)
CN (1) CN102803863A (fr)
AU (1) AU2010247286A1 (fr)
CA (1) CA2761770A1 (fr)
CL (1) CL2011002826A1 (fr)
ES (1) ES2350071B1 (fr)
MX (1) MX2011011998A (fr)
WO (1) WO2010130847A1 (fr)

Cited By (17)

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Publication number Priority date Publication date Assignee Title
US20140054433A1 (en) * 2011-05-11 2014-02-27 Contour-Track Gmbh Alignment and/or tracking device for solar collectors
US20140223844A1 (en) * 2013-02-08 2014-08-14 Topper Sun Energy Technology Co., Ltd. Building body with solar tracking device
US20170301814A1 (en) * 2012-12-10 2017-10-19 Nextracker Inc. Horizontal balanced solar tracker
US20170336105A1 (en) * 2012-12-10 2017-11-23 Nextracker Inc. Balanced solar tracker clamp
US20190052224A1 (en) * 2017-07-18 2019-02-14 Magna Closures Inc. Solar panel support and drive system
WO2019222204A3 (fr) * 2018-05-15 2019-12-26 Alion Energy, Inc. Système de poursuite solaire pour centrale photovoltaïque solaire
US10686398B2 (en) 2010-07-16 2020-06-16 Strategic Solar Energy, Llc Solar energy shade structure
US10700633B2 (en) 2010-07-16 2020-06-30 Strategic Solar Energy, Llc Protection of electrical components in solar energy shade structure
US10812011B2 (en) * 2018-03-27 2020-10-20 Strategic Solar Energy, Llc Rooftop solar shade structure
US10985690B2 (en) 2012-12-10 2021-04-20 Nextracker Inc. Clamp assembly for solar tracker
US11050383B2 (en) 2019-05-21 2021-06-29 Nextracker Inc Radial cam helix with 0 degree stow for solar tracker
US11159120B2 (en) 2018-03-23 2021-10-26 Nextracker Inc. Multiple actuator system for solar tracker
US11223319B2 (en) 2010-07-16 2022-01-11 Strategic Solar Energy, Llc Protection of electrical components in solar energy shade structure
US11228275B2 (en) 2019-06-27 2022-01-18 National Oilwell Vareo, L.P. Methods and apparatus for installing solar panels
US11296649B2 (en) 2020-02-07 2022-04-05 National Oilwell Varco, L.P. Foldable solar panel assembly
US11387771B2 (en) 2018-06-07 2022-07-12 Nextracker Llc Helical actuator system for solar tracker
US11391809B2 (en) 2012-12-10 2022-07-19 Nextracker Llc Off-set drive assembly for solar tracker

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ITBA20120032A1 (it) * 2012-05-24 2013-11-25 Giuseppe Giacomino Struttura verticale per pannelli solari
CN105305943B (zh) * 2015-10-23 2017-06-16 黄山睿基新能源科技有限公司 一种斜单轴联动支架防基座下沉的固定安装结构
DE202018103053U1 (de) * 2018-05-30 2018-06-08 Ideematec Deutschland Gmbh Solaranlage mit verschwenkbarem und feststellbarem Modultisch
ES2821623B2 (es) * 2019-10-25 2021-10-08 Ktrsolar Tech S L Seguidor solar horizontal
CN112987801B (zh) * 2021-01-29 2022-10-21 浙江恒星传动科技有限公司 一种单主梁驱动太阳能跟踪装置
CN113595480B (zh) * 2021-09-29 2022-03-29 深圳市泰隆源科技有限公司 一种太阳能光伏板调节装置
EP4366159A1 (fr) * 2023-06-01 2024-05-08 Trina Solar, S.l.u Suiveur solaire à support de transmission de rotation

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Cited By (31)

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Publication number Priority date Publication date Assignee Title
US11223319B2 (en) 2010-07-16 2022-01-11 Strategic Solar Energy, Llc Protection of electrical components in solar energy shade structure
US11515830B2 (en) 2010-07-16 2022-11-29 Strategic Solar Energy, Llc Solar energy shade structure
US10700633B2 (en) 2010-07-16 2020-06-30 Strategic Solar Energy, Llc Protection of electrical components in solar energy shade structure
US10686398B2 (en) 2010-07-16 2020-06-16 Strategic Solar Energy, Llc Solar energy shade structure
US20140054433A1 (en) * 2011-05-11 2014-02-27 Contour-Track Gmbh Alignment and/or tracking device for solar collectors
US11616467B2 (en) 2012-12-10 2023-03-28 Nextracker Llc Clamp assembly for solar tracker
US10928100B2 (en) * 2012-12-10 2021-02-23 Nextracker Inc. Balanced solar tracker clamp
US20170336105A1 (en) * 2012-12-10 2017-11-23 Nextracker Inc. Balanced solar tracker clamp
US11362227B2 (en) 2012-12-10 2022-06-14 Nextracker Llc Horizontal balanced solar tracker
US20170301814A1 (en) * 2012-12-10 2017-10-19 Nextracker Inc. Horizontal balanced solar tracker
US11391809B2 (en) 2012-12-10 2022-07-19 Nextracker Llc Off-set drive assembly for solar tracker
US11558007B2 (en) 2012-12-10 2023-01-17 Nextracker Llc Clamp assembly for solar tracker
US9970686B2 (en) * 2012-12-10 2018-05-15 Nextracker Inc. Balanced solar tracker clamp
US10985690B2 (en) 2012-12-10 2021-04-20 Nextracker Inc. Clamp assembly for solar tracker
US10998849B2 (en) 2012-12-10 2021-05-04 Nextracker Inc. Clamp assembly for solar tracker
US11043607B2 (en) * 2012-12-10 2021-06-22 Nextracker Inc. Horizontal balanced solar tracker
US9362863B2 (en) * 2013-02-08 2016-06-07 BIG SUN Energy Technology Incorporation Building body with solar tracking device
US9369083B2 (en) * 2013-02-08 2016-06-14 BIG SUN Energy Technology Incorporation Building body with solar tracking device
US20140223844A1 (en) * 2013-02-08 2014-08-14 Topper Sun Energy Technology Co., Ltd. Building body with solar tracking device
US20190052224A1 (en) * 2017-07-18 2019-02-14 Magna Closures Inc. Solar panel support and drive system
US11855581B2 (en) * 2017-07-18 2023-12-26 Polar Racking Inc. Solar panel support and drive system
US11283395B2 (en) 2018-03-23 2022-03-22 Nextracker Inc. Multiple actuator system for solar tracker
US11159120B2 (en) 2018-03-23 2021-10-26 Nextracker Inc. Multiple actuator system for solar tracker
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KR20120015350A (ko) 2012-02-21
EP2431683A1 (fr) 2012-03-21
WO2010130847A1 (fr) 2010-11-18
CN102803863A (zh) 2012-11-28
ES2350071A1 (es) 2011-01-18
MX2011011998A (es) 2012-04-02
AU2010247286A1 (en) 2012-01-19
CA2761770A1 (fr) 2010-11-18
ES2350071B1 (es) 2011-10-18
CL2011002826A1 (es) 2012-05-11

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