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WO2009039556A1 - Système de suivi du soleil - Google Patents

Système de suivi du soleil Download PDF

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Publication number
WO2009039556A1
WO2009039556A1 PCT/AU2008/000772 AU2008000772W WO2009039556A1 WO 2009039556 A1 WO2009039556 A1 WO 2009039556A1 AU 2008000772 W AU2008000772 W AU 2008000772W WO 2009039556 A1 WO2009039556 A1 WO 2009039556A1
Authority
WO
WIPO (PCT)
Prior art keywords
tracking system
solar tracking
main
tie
rod
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.)
Ceased
Application number
PCT/AU2008/000772
Other languages
English (en)
Inventor
Colin Jones
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.)
Global Product Design Pty Ltd
Original Assignee
Global Product Design Pty 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
Priority claimed from AU2007905197A external-priority patent/AU2007905197A0/en
Application filed by Global Product Design Pty Ltd filed Critical Global Product Design Pty Ltd
Priority to AU2008303046A priority Critical patent/AU2008303046A1/en
Priority to US12/678,523 priority patent/US20100192942A1/en
Publication of WO2009039556A1 publication Critical patent/WO2009039556A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F24S30/45—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
    • F24S30/458—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes with inclined primary axis
    • 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
    • F24S2030/133—Transmissions in the form of flexible elements, e.g. belts, chains, ropes
    • 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
    • F24S2030/136—Transmissions for moving several solar collectors by common transmission elements
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/20—Solar thermal
    • 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

Definitions

  • the present invention relates to mechanisms for tracking movement of the sun.
  • the invention relates to a system for maintaining one or more solar panels facing the sun during the day to improve solar energy collection efficiency.
  • US. Patent No. 4,295,621 to Siryj, B, filed March 18, 1980, titled "Solar Tracking Apparatus”, discloses a solar array support member pivotally secured to the upper end of a support post for rotation about a horizontal axis.
  • the support post is driven about a vertical axis.
  • a motor and pulley system drive a rotating disc secured to the post to set the elevation position of the support member.
  • a second motor and pulley system drive the post about its vertical axis with respect to a base.
  • US Patent No. 4,368,962 to Hultberg, D, filed January 30, 1981 , titled “Solar Tracking Apparatus and System”, discloses an apparatus comprising a pair of concentric shafts oriented parallel to the earth's rotational axis with one shaft being rotated by a motor at one revolution per day, so that a yoke rigidly attached to the shaft will follow the diurnal motion of the sun.
  • a second concentric shaft is rotated at a rate relative to the first shaft and, by means of a spherical four-bar linkage, automatically produces a rotational oscillation of a support or gimbal mounted on the yoke equal to the yearly declination of the sun.
  • Panel Tilt Mechanism discloses a tilt mechanism associated with an array of solar panels whereby effort required to tilt the solar panels is reduced by appropriate placement of first and second tilt axes with respect to the centre of mass and/or centre of pressure of the panels due to wind.
  • US Patent No. 6,443,145 to Buron, V. et al., filed August 24, 2001, titled “Solar Seeker” discloses a solar panel carriage assembly, a mounting assembly, and a travel assembly to enable a solar panel to automatically track the sun.
  • an object of some embodiments of the present invention is to overcome or alleviate one or more limitations of the prior art, including providing an improved solar tracking system.
  • Another object of some embodiments of the present invention is to provide an improved solar tracking system that can move multiple solar panels through multiple degrees of freedom using only a single drive mechanism.
  • the present invention is a solar tracking system, comprising: a main support arm having a hub end and a distal end; a rotatable main hub attached to the hub end of the main support arm; a support frame rotatably attached to the distal end of the main support arm; and a tie-rod having a swivel end and a frame end, the swivel end rotatably positioned adjacent to the main hub and the frame end connected to the support frame above the distal end of the main support arm, whereby rotation of the main hub causes a vertical orientation of the support frame to change.
  • the tie-rod comprises a spring mechanism.
  • the swivel end of the tie-rod is connected to a tie-rod bracket extending from a centre post of the main hub, wherein the main hub is rotatable relative to the centre post.
  • the support frame comprises a solar panel support frame.
  • the main hub comprises a pulley or sprocket for causing rotation of the main hub.
  • the solar tracking system further comprises an array including a plurality of main hubs supporting a plurality of support frames, wherein each main hub in the plurality of main hubs is attached to a central support rail.
  • the swivel end of the tie-rod is connected to a rear pillar mount.
  • the solar tracking system further comprises a clamping sleeve for attaching the rear pillar mount to a support rail, and another clamping sleeve for attaching the main hub to the support rail.
  • a distance between the main hub and the rear pillar mount is adjustable.
  • the solar tracking system further comprises a ball joint at the swivel end of the tie-rod and a ball joint at the frame end of the tie-rod.
  • a length of the tie-rod is adjustable.
  • a distance between the main hub and the rear pillar mount is adjustable.
  • the solar tracking system further comprises an electric motor to power a drive cable or sprocket engaging the main hub.
  • the electric motor is controlled by a timer or a position sensor.
  • the main support arm, the rotatable main hub, the support frame, and the tie-rod define a pivotable base mechanism.
  • FIG. 1 is a diagram illustrating a top perspective view of a solar panel array, including a plurality of pivotable base mechanisms, mounted on a roof of a building such as a house in the southern hemisphere, according to some embodiments of the present invention.
  • FIG. 2 is a diagram illustrating a close-up, top view of a pivotable base mechanism of FIG. 1.
  • FIG. 3 is a diagram illustrating a close-up, side view of a pivotable base mechanism of FIG. 1.
  • FIG. 4 is a diagram illustrating a close-up, top view of a pivotable base mechanism aligned in the same orientation shown in FIG. 3.
  • FIG. 5 is a diagram illustrating a close-up, rear view of a pivotable base mechanism of FIG. 1.
  • FIG. 6 is a diagram illustrating a close-up, side view of a pivotable base mechanism, according to some alternative embodiments of the present invention.
  • FIG. 7 is a diagram illustrating a close-up, partial cut-away view of a linear spring gas strut tie-rod, according to some embodiments of the present invention.
  • Embodiments of the present invention comprise a solar tracking system. Elements of the invention are illustrated in concise outline form in the drawings, showing only those specific details that are necessary to understanding the embodiments of the present invention, but so as not to clutter the disclosure with excessive detail that will be obvious to those of ordinary skill in the art in light of the present description.
  • adjectives such as first and second, up and down, above and below, top and bottom, etc., are used solely to define one element or method step from another element or method step without necessarily requiring a specific relative position or sequence that is described by the adjectives.
  • Words such as “comprises” or “includes” are not used to define an exclusive set of elements or method steps. Rather, such words merely define a minimum set of elements or method steps included in a particular embodiment of the present invention.
  • FIG. 1 a diagram illustrates a top perspective view of a solar panel array 100 mounted on a roof 105 of a building such as a house in the southern hemisphere, according to some embodiments of the present invention.
  • the solar panel array 100 includes five solar panels 110-n (i.e., 110-1 through
  • each solar panel 110-n is attached to a pivotable base mechanism 115-n that enables the solar panels 110-n to pivot simultaneously about both a horizontal and a vertical axis to track the position of the sun from when, for example, it rises in the Northeast to when it sets in the Northwest during winter in the southern hemisphere.
  • a drive cable 120 is shown engaging each of the pivotable base mechanisms 115-n.
  • a cable actuator 125 is also connected to the drive cable
  • the cable actuator 125 includes an electric motor 130 and a controller and can be mounted, for example, on the roof 105 or on one of a plurality of support brackets 145.
  • a central support rail in the form of a central support pipe 140 is mounted to the roof 105 using the support brackets 145, and extends beneath each pivotable base mechanism 115-n. Each pivotable base mechanism 115-n is then clamped to the central support pipe 140.
  • a light sensing electronic eye 150 which are well known by those having ordinary skill in the art, can be mounted on one of the solar panels 110-n, such as on the solar panel 110-1, to enable automatic determination of a present position of the sun.
  • a timer can be mounted on one of the solar panels 110-n to time movement of the pivotable base mechanisms 115-n. The electronic eye 150 and the timer can be operatively connected to the controller 135 using wired or wireless connection means.
  • FIG. 2 a diagram illustrates a close-up, top view of one of the pivotable base mechanisms 115-n, according to some embodiments of the present invention.
  • the pivotable base mechanisms 115-n each include a main support arm 205, a tie-rod 210, and a solar panel support frame 215.
  • the main support arm 205 is attached at a hub end to a main hub 220, which is bolted to the central support pipe 140.
  • a distal end of the main support arm 205 is attached to the solar panel support frame 215.
  • the main support arm 205 thus, in use, supports the weight of the solar panel support frame 215 and an attached solar panel 110-n, and can rotate relative to the central support pipe 140.
  • the drive cable 120 is wrapped around and engages a pulley 225 attached to the main hub 220, and thus linear movement of the drive cable 120 causes rotational movements of the main hub 220 and the main support arm 205.
  • bearings 230 at the distal end of the main support arm 205 enable pivoting of the solar panel support frame 215 between vertical and horizontal orientations.
  • a first ball joint 235 at a swivel end of the tie-rod 210 is connected to a distal end of a tie-rod bracket 239 that is fixed relative to the central support pipe
  • a second ball joint 240 at a frame end of the tie-rod 210 is bolted to the solar panel support frame 215 above the bearings 230.
  • Frame flanges 245 are used to bolt a solar panel 110-n to the solar panel support frame 215.
  • the tie-rod 210 may comprise a linear spring to enable the solar panels 110-n to lean over under high winds, and thus reduce high wind forces on the solar panel array 100, which forces otherwise could potentially damage the solar panels 110-n, the pivotable base mechanisms
  • FIG. 3 a diagram illustrates a close-up, side view of one of the pivotable base mechanisms 115-n, according to some embodiments of the present invention.
  • the pivotable base mechanism 115-n is shown rotated relative to the central support pipe 140 so that the main support arm 205 and the tie-rod 210 are both parallel to each other and parallel to the central support pipe 140 in a vertical plane.
  • Such rotation away from the position shown in FIG. 2 causes a distance between the first ball joint 235 and the bearings 230 at the distal end of the main support arm 205 to increase. That in turn causes the second ball joint 240 to pull on a bracket 300 of the solar panel support frame 215 and pivot the solar panel support frame 215 backward about the bearings 230 and to a position, as shown, about 45 degrees between the vertical and horizontal.
  • a main hub bolt 305 secures the tie-rod bracket 239 above the main hub 220, which enables the tie-rod 210 to swing over the main hub 220.
  • the main hub bolt 305 bolts directly to a hub post 325.
  • a clamping sleeve 320 welded to the hub post 325 is used to clamp the hub post 325 to the central support pipe 140 using bolts 330.
  • Bearings 335 inside the main hub 220 enable the main support arm 205 to rotate relative to the hub post 325; whereas the tie-rod bracket 239 is rigidly connected to a clamping collet 336 that fits over the hub post 325.
  • the tie-rod bracket 239 thus remains generally parallel to the central support pipe 140 in a vertical plane.
  • a distance between the main hub 220 and the swivel end of the tie-rod 210 thus remains substantially constant when the main hub 220 rotates relative to the central support pipe 140.
  • the clamping collet 336 also secures the bearings 335 to the hub post 325.
  • the clamping collet 336 is driven between a bearing radius corner 338 and the hub post 325 and prevents the tie-rod bracket 239 from rotating relative to the central support pipe 140.
  • Releasing the main hub bolt 305 enables the tie- rod bracket 239 to be rotated around the hub post 325 to locate, for example, a North position in Southern hemisphere locations.
  • the orientation of the pivotable base mechanism 115-n shown in FIG. 3 is thus used, for example, around noon when the sun is highest in the sky and is shining from the North (in the Southern hemisphere).
  • bracket 300 Depending on the season and the latitudinal position of the pivotable base mechanism 115-n, increasing an effective length of the bracket 300 (e.g., by loosening a bolt through the second ball joint 240 and sliding the bolt in a slot 337 in the bracket 300 toward a distal end of the bracket 300) will cause the solar panel support frame 215 to assume a more vertical orientation.
  • the second ball joint 240 should be positioned in the slot 337 so that the solar panel support frame 215 approaches horizontal when the tie-rod 210 is parallel to the main support arm 205; whereas in high latitude regions where the sun remains at a low azimuth at noon, the second ball joint 240 should be positioned in the slot 337 to provide a greater effective length of the bracket 300, which causes the solar panel support frame 215 to assume a more vertical orientation that is normal to the sun. Further, finer seasonal adjustments of the horizontal orientation of the solar panel support frame 215 can be made by rotating a nut 350 on the tie-rod 210, which extends or reduces an effective length of the tie rod 210.
  • FIG. 4 a diagram illustrates a close-up, top view of one of the pivotable base mechanisms 115-n aligned in the same orientation shown in FIG. 3, according to some embodiments of the present invention. This illustrates the substantially horizontal orientation of the solar panel support frame 215 compared to the substantially vertical orientation of the solar panel support frame 215 shown in FIG. 2.
  • FIG. 5 a diagram illustrates a close-up, rear view of one of the pivotable base mechanisms 115-n, according to some embodiments of the present invention.
  • the solar panel support frame 215 is illustrated in a substantially vertical orientation facing to the East (similar to the orientation shown in FIGS. 1 and 2).
  • An outline image 500 using broken lines then illustrates a comparable substantially vertical orientation of the solar panel support frame 215 facing to the West.
  • the solar panel array 100 is therefore enabled to cause each solar panel 110-n and an associated solar panel support frame 215 to obtain a substantially vertical orientation in the morning facing the sun on the horizon in the East. Then, powered by a linear motion of the drive cable 120 using the cable actuator 125, each solar panel support frame 215 rotates slowly to the North as the main hub 220 rotates, following the arc of the sun during the morning. Simultaneously, each solar panel support frame 215 pivots back slowly away from the vertical as the sun rises higher above the horizon. Thus normal vectors extending away from each solar panel 110-n remain pointing directly at the sun. Around noon, each solar panel support frame 215 is positioned in its most horizontal orientation (as shown in FIGS.
  • the controller 135 can be programmed to move the cable actuator 125 according to a simple timer or according to a position sensor such as the electronic eye 150.
  • a length of the tie-bar 210 and/or an effective length of the bracket 300, as discussed above, can be periodically and incrementally adjusted to account for seasonal changes in the path of the sun. For example, at the beginning of a season a configuration of a pivotable base mechanism 115-n can be set based on a known arc of the sun during the middle of that season. Alternatively, a pivotable base mechanism 115-n can be fixed at a single configuration based on an average annual arc of the sun.
  • FIG. 6 a diagram illustrates a close-up, side view of a pivotable base mechanism 615-n, according to some alternative embodiments of the present invention. Similar to the pivotable base mechanisms 115-n, the pivotable base mechanism 615-n is shown rotated relative to the central support pipe 140 so that the main support arm 205 and a tie-rod 610 are both parallel to each other and parallel to the central support pipe 140 in a vertical plane.
  • a rear pillar mount 605 supports a first ball joint 607 above a main hub 620, which enables the tie-rod 610 to swing over the main hub 620.
  • a second clamping sleeve 612 at a base of the rear pillar mount 605 is used to clamp the rear pillar mount 605 to the central support pipe 140 using bolts 617.
  • a clamping sleeve 320 at a base of a hub post 625 of the main hub 620 is used to clamp the hub post 625 to the central support pipe 140 using bolts 330.
  • the tie-rod 610 is connected to the central support pipe 140 independently of the main hub 620.
  • the embodiment shown in FIG. 6 thus can be distinguished from the embodiment shown in FIG. 3, where the tie- rod 210 is shown connected through the main hub 220 to the single clamping sleeve 320.
  • bearings 635 inside the main hub 620 enable a main support arm 205 to rotate relative to a hub post 625. Neglecting any minor springing or bending motion of the rear pillar mount 605, a distance between the main hub 620 and the swivel end of the tie-rod 610 remains substantially constant when the main hub 620 rotates relative to the central support pipe 140.
  • the orientation of the pivotable base mechanism 615-n shown in FIG. 6 is used, for example, around noon when the sun is highest in the sky and is shining from the North (when the pivotable base mechanism 615-n is employed in the southern hemisphere).
  • increasing the distance between the rear pillar mount 605 and the main hub 620 e.g., by sliding the second clamping sleeve 612 along the central support pipe 140 away from the clamping sleeve 320
  • the solar panel support frame 215 will assume a more horizontal orientation.
  • the rear pillar mount 605 should be positioned so that the solar panel support frame 215 is nearly horizontal when the tie-rod 610 is parallel to the main support arm 205.
  • a diagram illustrates a close-up, partial cut-away view of the tie-rod 210 or 610, according to some embodiments of the present invention.
  • the tie-rod 210 or 610 can comprise a linear spring to enable a length of the tie-rod 210 or 610 to increase or decrease when a high wind force is applied to a solar panel 110-n. Such changes in the length of the tie-rod 210 or 610 thus enable a solar panel 110-n to lean over in high wind and significantly reduce potentially damaging wind forces applied to the solar panel 110-n.
  • the tie-rod 210 or 610 comprises a damped, two-way, linear spring gas strut 705 bolted into a mounting pipe 710.
  • the mounting pipe 710 is then bolted to the tie-rod bracket 239 or to the rear pillar mount 605 through the first ball joint 235 or 607, respectively, depending on various embodiments of the present invention.
  • the gas strut 705 includes a first compression chamber 715 in which a gas is compressed when a tensile force is applied to the strut 705, and a second compression chamber 720 in which a gas is compressed when a compressive force is applied to the strut 705.
  • a wear ring 725 slides against the strut 705 when the strut 705 moves in and out of the mounting pipe 710.
  • various embodiments of the present invention can include other types of tie-rods, such as simple rigid tie- rods and tie-rods incorporating various types of spring mechanisms such as damped mechanical coil springs and undamped springs.
  • Various other embodiments and modifications of the present invention are also enabled by the present disclosure.
  • those skilled in the art will readily appreciate that various reconfigurations of the embodiments shown in FIGS. 1 through 7 are possible, while still accomplishing the features and functions of the solar tracking system of the present invention.
  • various relative dimensions of the components of the solar panel array 100 can be changed, and various alternative types of components can be substituted.
  • various different fastener and connection mechanisms including welding and unitary construction of components, can be employed to achieve the functionality enabled by the teachings of the present invention.
  • the solar panel array 100 also can be mounted in various locations besides rooftops.
  • the array 100 can be mounted directly on the ground, on various stationary structures, or on vehicles, and can be scaled up or down to support different size solar panels.
  • the embodiments illustrated in the drawings comprise an array of multiple solar panels 110-n.
  • teachings of the present invention also enable construction and use of a single pivotable base mechanism 115-n to track the path of the sun.
  • the pulley 225 can be replaced by a direct-drive mechanism such as a motorized sprocket.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Photovoltaic Devices (AREA)

Abstract

L'invention concerne un système de suivi du soleil qui permet à un réseau de panneaux solaires de suivre la trajectoire du soleil. Le système comprend un bras de support principal (205) ayant une extrémité côté moyeu et une extrémité distale. Un moyeu principal rotatif (220) est fixé à l'extrémité côté moyeu du bras de support principal (205). Un cadre de support (215) est fixé rotatif à l'extrémité distale du bras de support principal (205). Un tirant (210, 610) comprend une extrémité pivotante et une extrémité côté cadre, l'extrémité pivotante étant rotative au voisinage du moyeu principal (220). L'extrémité côté cadre du tirant (210, 610) est reliée au cadre de support (215) au-dessus de l'extrémité distale du bras de support principal (205), de telle sorte que la rotation du moyeu principal (220) change l'orientation verticale du cadre de support (240).
PCT/AU2008/000772 2007-09-24 2008-05-30 Système de suivi du soleil Ceased WO2009039556A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AU2008303046A AU2008303046A1 (en) 2007-09-24 2008-05-30 Solar tracking system
US12/678,523 US20100192942A1 (en) 2007-09-24 2008-05-30 Solar tracking system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AU2007905197A AU2007905197A0 (en) 2007-09-24 Solar tracking system
AU2007905197 2007-09-24
AU2007906960A AU2007906960A0 (en) 2007-12-19 Solar tracking system
AU2007906960 2007-12-19

Publications (1)

Publication Number Publication Date
WO2009039556A1 true WO2009039556A1 (fr) 2009-04-02

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PCT/AU2008/000772 Ceased WO2009039556A1 (fr) 2007-09-24 2008-05-30 Système de suivi du soleil

Country Status (3)

Country Link
US (1) US20100192942A1 (fr)
AU (1) AU2008303046A1 (fr)
WO (1) WO2009039556A1 (fr)

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WO2012015378A1 (fr) * 2010-07-29 2012-02-02 Micah Andretich Structure mobile extensible, respectueuse de l'environnement
US8544221B2 (en) 2010-09-23 2013-10-01 Hyperion Systems Llc Adjustable racking system for solar array and method of construction of a solar array
RU2606049C2 (ru) * 2014-09-12 2017-01-10 Федеральное государственное бюджетное научное учреждение Федеральный научный агроинженерный центр ВИМ (ФГБНУ ФНАЦ ВИМ) Способ автоматической ориентации по Солнцу источников гелиоэнергетики и контур управления следящей системой

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US9995506B2 (en) 2013-10-20 2018-06-12 Sulas Industries, Inc. Cable drive system for solar tracking
AU2018226784B2 (en) * 2017-03-02 2020-09-17 Array Technologies, Inc. Spring counter-balance assemblies and solar trackers incorporating spring counter-balance assemblies
DE102018117228A1 (de) * 2017-07-18 2019-01-24 Magna Closures Inc. Solarpaneelträger und Antriebssystem
US10944276B2 (en) * 2017-07-26 2021-03-09 Remvo Inc. Portable power supply device
US11480002B2 (en) * 2019-11-05 2022-10-25 Toyota Motor Engineering & Manufacturing North America, Inc. Power tailgate having manual operation feature

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