EP3999788A1 - Structure en treillis pliable, notamment pour suiveur solaire - Google Patents
Structure en treillis pliable, notamment pour suiveur solaireInfo
- Publication number
- EP3999788A1 EP3999788A1 EP20742346.8A EP20742346A EP3999788A1 EP 3999788 A1 EP3999788 A1 EP 3999788A1 EP 20742346 A EP20742346 A EP 20742346A EP 3999788 A1 EP3999788 A1 EP 3999788A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lattice structure
- support
- extension
- sleeve
- main direction
- 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.)
- Withdrawn
Links
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
- F24S25/10—Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
- F24S25/13—Profile arrangements, e.g. trusses
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
-
- 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
- F24S25/70—Arrangement of stationary mountings or supports for solar heat collector modules with means for adjusting the final position or orientation of supporting elements in relation to each other or to a mounting surface; with means for compensating mounting tolerances
-
- 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
-
- 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
- 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
- E04C2003/0469—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section triangular-shaped
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0486—Truss like structures composed of separate truss elements
- E04C2003/0491—Truss like structures composed of separate truss elements the truss elements being located in one single surface or in several parallel surfaces
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0486—Truss like structures composed of separate truss elements
- E04C2003/0495—Truss like structures composed of separate truss elements the truss elements being located in several non-parallel surfaces
-
- 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
- F24S2025/01—Special support components; Methods of use
- F24S2025/012—Foldable support elements
-
- 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 generally to lattice structures comprising a plurality of parallel longitudinal members interconnected by cross members.
- the invention relates more particularly to a lattice structure
- - sleepers distributed along the main direction of extension and configured to mechanically connect the side members two by two so that the sleepers are able to form a plurality of polygons each contained in a plane perpendicular to said main direction of extension.
- Such a lattice structure is already known and used in particular, as described in document WO 2018/033495 in the name of the Applicant, to serve as a support structure for a table of a solar tracker equipped with at least a device for collecting solar energy.
- a solar tracker is a device which supports panels
- the purpose of such a device is to increase the efficiency of photovoltaic panels.
- the present invention provides improvements to lattice structures of the type described in document WO 2018/033495, for the purposes of facilitating the transport of these structures to their assembly site, to optimize their time for installation on site, to facilitate the installation and to guarantee the quality of the assembly.
- the present invention relates to a lattice structure comprising:
- each cross member connecting two side members comprises:
- first half-cross member which has a first end pivotally connected to one of the two side members so as to be able to pivot about a first axis of rotation and a second end opposite the first end;
- a second half-cross member which has a first end pivotally connected to the other of the two side members so as to be able to pivot about a second axis of rotation and a second end connected to the second end of the first half-cross member by an articulation hinge allowing relative rotation of the two half-sleepers about a third axis of rotation, the first, second and third axes of rotation being mutually parallel and orthogonal to said main direction of extension so as to allow the lattice structure as well as each cross member to move from a deployed position to a folded position and vice versa,
- said deployed position corresponding to a position in which the first and second half-sleepers of each sleeper extend into the extension of one another in a direction orthogonal to said main direction of extension so that the sleepers form said plurality of polygons
- said folded position corresponding to a position in which the first and second half-sleepers of each cross member extend substantially parallel to one another, along said main direction of extension.
- - Said assembly may consist of three longitudinal members, the polygons formed by the cross members in the deployed position being triangles;
- the first ends of the half-sleepers are pivotally connected to the side members preferably by means of plates fixed to the side members;
- the structure may include, in the deployed position, at least one tie rod mechanically connecting two plates of two side members between two vertices of two successive polygons;
- At least one tie rod comprises two ends each connected in an articulated manner to one of the two plates, one of the two ends being able to be disconnected so as to allow the passage of the structure from its deployed position to its folded position;
- said at least one tie rod extends substantially along said main direction of extension
- each cross member can be able to be locked in the deployed position, and unlocked to allow the folding of the cross members and the truss structure;
- each cross member comprises a first sleeve fixed to one end of one of the two half-cross members and a second sleeve fixed to one end of the other of the two half-cross members, each sleeve comprising at the periphery: a first and a second lateral lug extending vis-à-vis and radially with respect to the sleeve, and each pierced with an orifice; a third lateral lug extending radially with respect to the sleeve and diametrically opposed to the first and second lateral lugs, said third lateral lug also being pierced with a orifice;
- the third lateral lug of the first sleeve is able to come to be placed between the first and second lateral lugs of the second sleeve, with their corresponding orifices aligned to receive a first locking pin; and the third lateral ear of the second sleeve is able to come to be placed between the first and second lateral ears, of the first sleeve, with their corresponding orifices aligned to receive a second locking pin;
- said third axis of rotation can be defined by the longitudinal axis of the first locking pin when the latter is received through the corresponding holes, in the absence of the second locking pin;
- said third axis of rotation is defined by the longitudinal axis of the second locking pin when the latter is received through the corresponding holes, in the absence of the first locking pin;
- the first locking pin and / or the second locking pin preferably comprise a conical elastic collar for rapid assembly by clipping
- the end of one of the two half-sleepers may have the shape of a male cone adapted to be received in the form of a female counter-cone provided on the end of the other of the two half-sleepers in the deployed position;
- the lattice structure constitutes, for example, a support structure capable of at least partially supporting a table of a solar tracker equipped with at least one device for collecting solar energy.
- the present invention also relates to a solar tracker
- a mobile device comprising a table equipped with at least one solar energy collecting device, a support structure extending longitudinally over a length L to support said table, a first support arch and a second support arch configured to support said support structure;
- said support structure comprises at least one lattice structure according to the invention.
- said support structure may be composed of a plurality of lattice structures connected end to end.
- Figure 1 illustrates some elements of a mobile device from a
- Figure 2 partially illustrates a side view of the lattice support structure of Figure 1;
- Figure 3 illustrates a perspective of a collapsible trellis structure according to one embodiment of the invention, in a deployed position
- Figure 4 illustrates an end view of the truss structure of Figure 3 in the deployed position
- Figure 5 illustrates an end view of the truss structure of Figure 3 in the folded position
- FIG. 6 partially represents a trellis structure according to an embodiment according to the present invention, according to different views, and according to different positions of the structure, from a deployed position to a folded position passing through an intermediate position ;
- FIG. 7 partially illustrates a cross member equipped with an articulation hinge in a semi-deployed position according to a possible embodiment of the invention
- FIG. 9 represents a locking pin capable of locking a cross member equipped with the articulation hinge of FIGS. 7 and 8 in its deployed position
- Figure 10 partially illustrates a cross member equipped with a
- Figure 1 1 partially illustrates a trellis structure with tie rods in the folded position suitable for transport illustrated;
- FIG. 12 Figure 12 according to different views a sequence of deployment of a trellis structure according to the invention
- Figure 13 illustrates part of a sequence of deployment of a truss structure according to the invention, when this structure is further equipped with tie rods.
- FIGS 1 and 2 show certain components of a known solar tracker in particular from document WO 2018/033495.
- This solar tracker mainly includes:
- a mobile device comprising a table (not shown) equipped with at least one device for collecting solar energy, for example a panel
- a support structure 1 which extends longitudinally over a length L to support the table, a first support arch 2 and a second support arch 3 configured to support the support structure 1;
- a first support on the ground 4 and a second support on the ground 5 configured to respectively support the first support hoop 2 and the second support hoop 3.
- the first support arch 2 and the second support arch 3 are arranged at a certain distance from the ends of the support structure 1.
- the support structure support 1 is thus disposed cantilevered on the first support on the ground 4 via the first support arch 2 and on the second support on the ground 5 via the second support arch 3, which allows an advantageous distribution of the stresses mechanical devices supported by the support structure 1, allowing a reduction in the weight and deformations (deflection) of the mobile device while maintaining high mechanical strength.
- the support structure 1 is a lattice structure comprising a
- Each of the two ends of each cross member 9 is connected to one of the three spars 6, 7 or 8 via a plate 10 attached to this spar.
- the cross members 9 are arranged relative to the three side members 6, 7 and 8 so as to form a plurality of triangles 1 1 parallel to each other and each contained in a plane perpendicular to the main direction extension.
- the triangles can be evenly distributed along the main direction of extension.
- provision can be made to locally increase the density of the triangles in the areas of the structure for which it is desired to increase the mechanical strength, for example at the level of one and / or the other of the first and second support arches. 2 and 3.
- the support structure 1 also comprises tie rods 12. These tie rods 12 are arranged so as to connect two triangles 1 1 two by two. For example, as visible in Figure 2, two tie rods 12 connect two consecutive triangles by their ends connected on the one hand, for each tie rod 12, at a corresponding plate 10 fixed to the side member 7 and on the other hand, to the level of another corresponding plate 10 fixed to the spar 6.
- the tie rods 12 can be advantageously constrained in tension so as to increase the mechanical resistance of the support structure 1.
- the structure can comprise a number important tie rods 12, each tie rod connecting two vertices of two consecutive triangles 1 1.
- the assembly of the side members, cross members and possibly tie rods making up the support structure is a time-consuming operation, whether this assembly is done directly on the installation site or beforehand.
- the costs associated with transporting the pre-assembled structure are high due in particular to the size of this structure.
- the aim of the improvements is to make the lattice structure foldable, in particular to facilitate its transport.
- the structure can thus be pre-assembled, transported in the folded position to the installation site, and then easily deployed for installation on site.
- the invention provides in particular to achieve each of
- cross members 9 described above in the form of two half cross members connected to each other by an articulation hinge to be able to switch from a deployed position to a folded position and vice versa.
- Figure 3 shows, in deployed form, an example of a pre-assembled trellis structure in accordance with the invention, in which there are three longitudinal members 6, 7 and 8 described above, as well as cross members distributed to form, in the deployed position of the structure, different triangles 1 1 (four triangles 1 1 in figure 3) each contained in a plane
- references 6a, 7a and 8a represent end parts of the side members 6, 7 and 8 located on the left side of the lattice structure
- the references 6b, 7b and 8b represent end parts of the side members 6, 7 and 8 located on the right side of the lattice structure.
- these end parts form fixing plates extending perpendicularly with respect to the longitudinal direction of their respective spar. It is thus possible, if necessary to cover a length more important than that of the side members 6, 7 and 8 of structure 1, to connect several lattice structures in the deployed position, by connecting them end to end by means of the fixing plates.
- FIG. 4 represents this same structure in this same position.
- Each of the sleepers 9 which mechanically connects two of the three
- first half-cross member 9a with a first end pivotably connected to one of the two side members so as to be able to pivot about a first axis of rotation (X1 - C ⁇ ) and a second end (referenced 14a in the figures 7 and 8) opposite the first end; and
- a second half-crossmember 9b with a first end pivotally connected to the other of the two longitudinal members so as to be able to pivot about a second axis of rotation (X2- X'2) and a second end (referenced 14b on the figures 7 and 8) connected to the second end of the first half-crossbar 9a by an articulation hinge 13 allowing relative rotation of the two half-crossbars 9a, 9b around a third axis of rotation (X3- X'3 ).
- the first ends of the two half-sleepers 9a, 9b are of
- the deployed position shown in different views in Figures 3, 4, 6 (a), 8, 12 (d) and 13, corresponds to a position in which the first and second half-cross members 9a and 9b of each cross member 9 extend in the extension of one another in a direction orthogonal to the direction main extension.
- the cross members 9 form, in this deployed position, the various triangles 1 1 mentioned above, thus positioning the side members 6, 7 and 8 in their final relative positions.
- the two half-sleepers 9a, 9b are half-tubes of the same circular section.
- Other sections can be considered without departing from the scope of the present invention, for example square or rectangular sections, by adapting the geometry of the hinge 13.
- FIG. 7 partially shows the two half-sleepers in a
- the articulation hinge 13 comprises two sleeves, here in the form of rings, namely a first sleeve 15a fixed on the second end 14a of the left half-crosspiece and a second sleeve 15b fixed on the second end 14b of the right half-crosspiece.
- the first sleeve 15a comprises at the periphery:
- a third lateral lug 18a extending radially relative to the first sleeve 15a and diametrically opposed to the first and second side lugs 16a, 17a facing each other, this third lateral lug 18a also being pierced with an orifice.
- the second sleeve 15b comprises at the periphery:
- a third lateral lug 18b extending radially relative to the second sleeve 15b and diametrically opposed to the first and second side lugs 16b, 17b facing each other, this third lateral lug 18b also being pierced with an orifice.
- the two sleeves 15a and 15b are arranged and the different lateral ears are arranged so that:
- the third side lug 18a of the first sleeve 15a can be placed between the first and second side lugs 16b, 17b of the second sleeve 15b, with their corresponding orifices aligned to receive a first locking pin 19;
- the third lateral lug 18b of the second sleeve 15b can be placed between the first and second lateral lugs 16a, 17a, of the first sleeve 15a, with their corresponding holes aligned to receive a second locking pin 20 ( Figures 8 and 9).
- pierced sides advantageously makes it possible to choose alternately as articulation axis for the hinge an axis which would be defined by the longitudinal axis of the pin 20 when the latter is received through aligned holes of the ears 16a, 17a and 18b while the other pin 19 is not in place .
- FIG. 8 illustrates the two half-sleepers in the deployed position
- the locking pin 20 is preferably equipped at its lower end with a conical elastic flange 21 allowing mounting fast by clipping.
- the pin 19 is preferably identical to the pin 20.
- one of the half-sleepers is provided with an end in the form of a male cone capable of being received in a form against this cone.
- female provided on the end of the other half-cross member when the cross member comprising the two half-cross members is in the deployed position.
- Figure 10 illustrates the end 14a of the left half cross member with a female counter cone 22a and the end 14b of the right half cross member with a male cone.
- the lattice structure 1 foldable in accordance with the invention is not incompatible with the fact that the structure may comprise, in one possible embodiment, and similarly to the known structure described with reference in Figures 1 and 2, one or more tie rods each connecting
- tie rods The presence of such tie rods is visible in particular in Figures 6 and 11 (tie rods referenced 12) and in Figure 13 (tie rods referenced 12a and 12b).
- Each tie rod in the folded position of the structure, extends substantially along said main direction of extension.
- FIG. 12 illustrates four steps (a) to (d) of a deployment sequence of the lattice structure 1 described above, from its folded position to its deployed position, then with reference to FIG. 13 which illustrates three steps (d) to (e) for the deployment of the tie rods.
- FIG. 12 gives a partial view in
- the lower spar 6 moves apart by the action of its own weight (Arrow P).
- the sleepers will unfold under the effect of the spacing of the side members to their fully unfolded positions (step (d))
- step (d) we can then insert a locking pin to lock each articulation hinge of each cross member in the deployed position.
- the lattice structure 1 further comprises tie rods such as the two tie rods 12a and 12b shown in Figure 13, the following additional steps are performed:
- foldable structure The interest of the foldable structure described above is of course not limited to the sole field of application of a support structure for a table of solar trackers.
- the foldable structure according to the principle of the invention can be used in many fields where the questions of transport and installation of the structure arise.
- the lattice structure has been described in the context of an assembly consisting only of three parallel spars kept spaced from each other using cross members distributed in triangles, the principle of folding the structure through the use of folding cross members can be extended to structures with only two spars, or to structures with more than three spars.
- the parallel beams are kept spaced apart from each other by cross members distributed in polygons of order equal to the number of beams.
- the polygons obtained are degenerate polygons of order 2 corresponding to a segment.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Sustainable Energy (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Tents Or Canopies (AREA)
- Photovoltaic Devices (AREA)
- Aerials With Secondary Devices (AREA)
- Electromagnetism (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1907918A FR3098889B1 (fr) | 2019-07-15 | 2019-07-15 | Structure en treillis pliable, notamment pour suiveur solaire |
| PCT/FR2020/051032 WO2021009424A1 (fr) | 2019-07-15 | 2020-06-16 | Structure en treillis pliable, notamment pour suiveur solaire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3999788A1 true EP3999788A1 (fr) | 2022-05-25 |
Family
ID=68072796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20742346.8A Withdrawn EP3999788A1 (fr) | 2019-07-15 | 2020-06-16 | Structure en treillis pliable, notamment pour suiveur solaire |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12139912B2 (fr) |
| EP (1) | EP3999788A1 (fr) |
| FR (1) | FR3098889B1 (fr) |
| WO (1) | WO2021009424A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3103654B1 (fr) * | 2019-11-21 | 2022-07-08 | Nexans | Assemblage et installation de suiveurs solaires |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2947656A1 (de) * | 1979-11-27 | 1981-07-23 | Erno Raumfahrttechnik Gmbh, 2800 Bremen | Faltbares fachwerkbauteil |
| US5228258A (en) * | 1989-11-27 | 1993-07-20 | Fuji Jukogyo Kabushiki Kaisha | Collapsible truss structure |
| WO1992022716A1 (fr) * | 1991-06-19 | 1992-12-23 | Garry Randall Hart | Construction de batiment modulaire |
| US20090057505A1 (en) * | 2007-08-27 | 2009-03-05 | Chao-Hu Chen | Foldable stand tube |
| DE202011002901U1 (de) * | 2011-02-18 | 2012-05-21 | Kamal Daas | Gittertragwerk |
| US9938746B2 (en) * | 2015-07-06 | 2018-04-10 | Timothy Parsons | Snap-locking hinge joint |
| EP3364123B1 (fr) * | 2017-02-17 | 2019-10-09 | Nexans Solar Technologies | Suiveur solaire à couplage cinématique |
| WO2018121778A1 (fr) * | 2016-12-30 | 2018-07-05 | 江苏中信博新能源科技股份有限公司 | Système de support de réseau photovoltaïque |
-
2019
- 2019-07-15 FR FR1907918A patent/FR3098889B1/fr not_active Expired - Fee Related
-
2020
- 2020-06-16 US US17/625,669 patent/US12139912B2/en active Active
- 2020-06-16 WO PCT/FR2020/051032 patent/WO2021009424A1/fr not_active Ceased
- 2020-06-16 EP EP20742346.8A patent/EP3999788A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021009424A1 (fr) | 2021-01-21 |
| FR3098889A1 (fr) | 2021-01-22 |
| FR3098889B1 (fr) | 2023-02-10 |
| US12139912B2 (en) | 2024-11-12 |
| US20220259862A1 (en) | 2022-08-18 |
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