JPS61168750A - Solar heat collector employing heat pipe - Google Patents
Solar heat collector employing heat pipeInfo
- Publication number
- JPS61168750A JPS61168750A JP60011476A JP1147685A JPS61168750A JP S61168750 A JPS61168750 A JP S61168750A JP 60011476 A JP60011476 A JP 60011476A JP 1147685 A JP1147685 A JP 1147685A JP S61168750 A JPS61168750 A JP S61168750A
- Authority
- JP
- Japan
- Prior art keywords
- heat collecting
- hot water
- heat
- tank installation
- installation area
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/50—Solar heat collectors using working fluids the working fluids being conveyed between plates
- F24S10/506—Solar heat collectors using working fluids the working fluids being conveyed between plates having conduits formed by inflation of portions of a pair of joined sheets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/90—Solar heat collectors using working fluids using internal thermosiphonic circulation
- F24S10/95—Solar heat collectors using working fluids using internal thermosiphonic circulation having evaporator sections and condenser sections, e.g. heat pipes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S60/00—Arrangements for storing heat collected by solar heat collectors
- F24S60/30—Arrangements for storing heat collected by solar heat collectors storing heat in liquids
-
- 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
- Y02E10/44—Heat exchange systems
Abstract
Description
【発明の詳細な説明】 産業上の利用分野 この発明は、ヒートパイプ利用太陽熱集熱器に関する。[Detailed description of the invention] Industrial applications The present invention relates to a solar heat collector using heat pipes.
従来の技術
従来、太陽熱温水器に使用されるこの種の集熱器はアル
ミニウムを素材とする０−ルボンド材によりつくられて
おり、集熱部（蒸発部）と貯湯槽設置部（凝縮部）とは
作動流体回路のパターンが異なるのみで、一体につくら
れていた（例えば実公昭５９−１１８３号公報参照）。Conventional technology Conventionally, this type of heat collector used in solar water heaters is made of O-rubond material made of aluminum, and consists of a heat collection part (evaporation part) and a hot water storage tank installation part (condensation part). The only difference was the pattern of the working fluid circuit, which was made in one piece (see, for example, Japanese Utility Model Publication No. 1183/1983).
このようなロールボンド材製の太陽熱集熱器は、作動流
体回路が自由にしかもコストに関係なく効率よく設計す
ることができ、また、溶接点数は作動流体の注入後開口
部を塞ぐ１点のみであり、従ってその製造が比較的簡単
であるという利点がある。しかしながら、反面ロールボ
ンド材製の六１１ｉＪ熱集熱器は、反り、たわみおよび
変形が発生し易く、また選択吸収膜の仕上り外観が悪い
という問題があった。また貯湯槽設置部は貯湯槽のステ
ンレス鋼板製底板の異種金属と接触するため、電食およ
び腐食防止対策を施１必要があり、従来はＡ／−Ｚｎ合
金系のアルミニウムクラツド板を用いていた。ところが
、このような電食および腐食対策のためのクラツド板は
貯湯槽設置部のみにおいて使用すればよいにもかかわら
ず、集熱器がＯ−ルボンド材よりつくられているために
、集熱器全体にクラツド板を使用しなければならず、こ
れではコストが非常に高くつくという問題があった。さ
らに、従来のロールボンド材製の太陽熱集熱器では、夜
間における放熱を防止するために、集熱部の貯湯槽設置
部寄り部分に孔明は加工を施さなければならず、非常に
面倒であるという問題があった。Such a solar heat collector made of roll bond material can have a free working fluid circuit and can be efficiently designed regardless of cost, and requires only one welding point, which closes the opening after the working fluid is injected. Therefore, it has the advantage that its manufacture is relatively simple. However, on the other hand, the 611iJ heat collector made of roll bond material has the problem that it is easily warped, deflected, and deformed, and that the selective absorption membrane has a poor finished appearance. In addition, since the hot water storage tank installation part comes into contact with dissimilar metals on the stainless steel bottom plate of the hot water storage tank, it is necessary to take measures to prevent electrolytic corrosion and corrosion. Conventionally, aluminum clad plates made of A/-Zn alloy were used. Ta. However, although such cladding plates to prevent electrolytic corrosion and corrosion need only be used in the hot water storage tank installation area, since the heat collector is made of O-lubond material, the heat collector Clad plates had to be used throughout, which caused the problem of extremely high costs. Furthermore, in conventional solar heat collectors made of roll-bonded materials, in order to prevent heat radiation at night, the part of the heat collecting part near the hot water storage tank installation area must be processed, which is extremely troublesome. There was a problem.
発明の目的
この発明の目的は、上記の問題を解決し、すぐれた太陽
熱集熱性能を有し、しかも集熱部の反り、たわみおよび
変形を防止することができ。OBJECTS OF THE INVENTION An object of the present invention is to solve the above problems, to have excellent solar heat collecting performance, and to prevent warping, deflection and deformation of the heat collecting part.
また表面状態が良く選択吸収膜の仕、上がり外観がきわ
めて良好であり、また電食および腐串対策を貯湯槽設置
部だけに施すだけでよく、コストが安くつき、さらに孔
明は加工を省略することができて、しかも夜間における
放熱を防止することができ、保温性が良好であるヒート
バイブ利用太陽熱集熱器を提供しようと゛するにある′
。In addition, the surface condition is good, and the selective absorption membrane has a very good finish and finished appearance, and it is only necessary to apply electrolytic corrosion and corrosion prevention measures to the hot water storage tank installation area, resulting in low cost. The present invention aims to provide a solar heat collector using a heat vib which can prevent heat radiation at night and has good heat retention properties.
.
発明の構成
この発明は、上記の目的を達成するために、集熱板およ
びこれに結合された並列状作動流体収容管を有する集熱
部と、金属板によりつくられかつ中空状の作動流体通路
を有する貯湯槽設置部とによって構成され、貯湯槽設置
部の一端部に作動流体通路に通じる開口部が集熱部の管
と同数設けられ、各開口部に集熱部の管の一端部が接続
され、集熱部の集熱板と貯湯槽設置部との間に間隙があ
けられていると一ドパイブ利用太陽熱集熱器を要旨とし
ている。Structure of the Invention In order to achieve the above object, the present invention provides a heat collecting section having a heat collecting plate and parallel working fluid storage tubes coupled thereto, and a hollow working fluid passage made of a metal plate. The same number of openings communicating with the working fluid passage are provided at one end of the hot water storage tank installation part as there are pipes of the heat collecting part, and each opening has one end of the pipe of the heat collecting part. The gist of the solar heat collector using a single dopipe is that the heat collecting plate of the heat collecting part and the hot water tank installation part are connected to each other, and a gap is left between the heat collecting plate and the hot water storage tank installation part.
実施例と作用 つぎに、この発明の実施例を図面に基づいて説明する。Examples and effects Next, embodiments of the invention will be described based on the drawings.
この明細書において、前後および左右は、第１図を基準
とし、前とは第１図右側、後とは同左側をいい、左右は
前方に向っていうものとする。In this specification, front and rear and right and left are based on FIG. 1, and the front refers to the right side in FIG. 1, the rear refers to the left side, and left and right refers to the front.
この発明の実施例を示す第１図〜第４図において、この
発明によるヒートバイブ利用太陽熱集熱器（１）は、例
えばアルミニウム類であって、集熱板（４）およびこれ
に結合された並列状作１１Ｎ％Ｅ体収容管（５）を有す
る集熱部（２）と、ロールボンド材（６）によりつくら
れかつ中空状の作動流体通路（７）を有する貯湯槽設定
部（３）とによって構成されている。In FIGS. 1 to 4 showing embodiments of the present invention, a solar heat collector (1) using a heat vib according to the present invention is made of aluminum, for example, and includes a heat collecting plate (4) and a heat collecting plate (4) coupled thereto. A heat collecting part (2) having parallel 11N%E body housing tubes (5), and a hot water tank setting part (3) made of roll bond material (6) and having a hollow working fluid passageway (7). It is composed of.
集熱部（２）は、表面に選択吸収膜形式処理を施したア
ルミニウム板よりなる帯状集熱板（４）に、アルミニウ
ム類の作動流体収容管（５）を高周波溶接により長さ方
向に接合したのら、集熱板（４）に変形防止のための成
形加工を施すことにより、集熱板（４）付き管（５）を
多数形成し、これらの集熱板（４）付き管（５）を並列
状にかつ隣り合う集熱板（４）（４）の山形側縁部（４
ａ ） （４ａ ）が相互に重なり合うように配置さ
れたものである。実施例では作動流体収容管（５）が１
１本並列状に配置されているが、これは複数本であれば
よく、好ましくは８本以上とする。各作動流体収容管（
５）の前端部はヘッダー・パイプ（１０）に連通状に接
続されて、アルゴン溶接により液密状態に結合されてい
る。またヘッダ・パイプ（１０）の左端部はつぶし加工
されたのち、アルゴン溶接により密閉され、同右端部に
は作動流体を仕込むためのチャージ・パイプ（１１）が
接続され、作動流体仕込後にチャージ・パイプ（１１）
の先端は密閉されている。なお、チャージ・パイプ（１
１）を集熱部（蒸発部）側に設けるのは、太陽熱集熱器
（１）のエアーパージおよび昇温性能検査時湯水に浸す
部分を外観上の問題で貯湯槽設置部（凝縮部）側とする
ためである。The heat collecting part (2) is made by joining a working fluid storage pipe (5) made of aluminum in the length direction by high-frequency welding to a band-shaped heat collecting plate (4) made of an aluminum plate whose surface has been subjected to selective absorption film type treatment. After that, a large number of tubes (5) with heat collecting plates (4) are formed by applying a molding process to the heat collecting plate (4) to prevent deformation, and these tubes (5) with heat collecting plates (4) are formed. 5) in parallel and adjacent heat collecting plates (4) (4)
a) (4a) are arranged so as to overlap each other. In the embodiment, the working fluid storage pipe (5) is 1
Although one wire is arranged in parallel, a plurality of wires may be used, preferably eight or more. Each working fluid storage tube (
The front end of 5) is connected to the header pipe (10) in a fluid-tight manner by argon welding. In addition, the left end of the header pipe (10) is crushed and sealed by argon welding, and the right end is connected to a charge pipe (11) for charging working fluid. pipe (11)
The tip is sealed. In addition, the charge pipe (1
1) is installed on the heat collecting part (evaporation part) side because the part of the solar heat collector (1) that is immersed in hot water during the air purge and heating performance test is installed on the hot water storage tank installation part (condensing part) due to the appearance issue. This is to make it a side.
一方、貯湯槽設置部（３）は、アルミニウム・Ｏ−ルボ
ンド材（６）によりつくられている。On the other hand, the hot water tank installation part (3) is made of aluminum O-rubond material (6).
貯Ｗｉ１槽設置部（３）には槽底接触用の膨出部（１２
）が設けられ、この膨出部（１２）の間に多数の小さな
非膨出部（１３）が形成され、膨出部（１２）の内側に
は作動流体通路（７）が形成されている貯湯槽設置部（
３）の前端部に作動流体通路（７）に通じる開口部（８
）が集熱部（２）の作動流体収容管（５）と同数設けら
れ、各開口部（８）に集熱部（２）の管（５）の後端部
がアルゴン溶接により接続されている。集熱部（２）の
集熱板（４）と貯湯槽設置部（３）との間には、夜間の
放熱を防止するために間隙（９）があけられている。ロ
ールボンド材よりなる貯湯槽設置部（３）の表面には、
陽極酸化上記太陽熱集熱器（１）においては、集熱部（
２）の並゛列状の管（５）とヘッダー・パイプ（１０）
、および貯湯槽設置部（３）の作動流体通路（７）にフ
ロン等の作動流体が封入されていて、ヒーバイプ部とな
されている。The storage Wi1 tank installation part (3) has a bulge part (12) for contacting the tank bottom.
), a large number of small non-bulging portions (13) are formed between the bulging portions (12), and a working fluid passage (7) is formed inside the bulging portion (12). Hot water tank installation part (
3) has an opening (8) communicating with the working fluid passage (7) at the front end thereof.
) are provided in the same number as the working fluid storage tubes (5) of the heat collecting section (2), and the rear ends of the tubes (5) of the heat collecting section (2) are connected to each opening (8) by argon welding. There is. A gap (9) is provided between the heat collecting plate (4) of the heat collecting part (2) and the hot water tank installation part (3) in order to prevent heat radiation at night. On the surface of the hot water tank installation part (3) made of roll bond material,
In the above solar heat collector (1), the heat collecting part (
2) Parallel pipes (5) and header pipes (10)
, and the working fluid passage (7) of the hot water tank installation part (3) are filled with a working fluid such as fluorocarbon, forming a heavepipe part.
第５図は、この発明の変形例を示すもので、集熱部（２
）の作動流体収容管（５）の後端部を貯湯槽設置部（３
）の開口部（８）に接続するにあたり、ステンレス鋼製
の補強用内管（１４）を使用し、アルゴン溶接により接
合したものである。FIG. 5 shows a modification of the present invention, in which the heat collecting part (2
) of the working fluid storage pipe (5) at the hot water tank installation part (3
), a reinforcing inner tube (14) made of stainless steel is used and joined by argon welding.
なお、上記実施例においては、１枚の集熱板（４）に１
本の作動流体収容管（５）が結合されたものを使用して
いるが、幅の広い１枚の集熱板（４）に２本以上の管（
５）を結合したものを使用してもよい。またこのような
集熱板（４）と管（５）は、アルミニウム押出型材によ
り一体につくられたものを使用することもできる。また
作動流体収容管（５）の前端部はヘッダー・パイプ（１
０）に接続されているが、場合によってはこのようなヘ
ッダー・パイプ（１０）を使用することなく、８管（５
）の前端部をそれ自体において密閉することもある。ま
た貯湯槽設置部（３）はアルミニウム・ロールボンド材
（６）によりつくられているが、ロールボンド材（６）
だけでなく、その他例えば作動流体通路用凹部を予めプ
レス加工により形成した２枚のアルミニウム板を接合す
ることにより、つくられていてもよい。また太陽熱集熱
器（１）はアルミニウムだけでなく、銅その他の金属に
よりつくられていてもよい。In addition, in the above embodiment, one heat collecting plate (4) has one
A combination of two or more working fluid storage tubes (5) is used, but two or more tubes (5) are connected to one wide heat collecting plate (4).
A combination of 5) may also be used. Further, the heat collecting plate (4) and the pipe (5) may be integrally made of extruded aluminum. The front end of the working fluid storage pipe (5) is connected to the header pipe (1).
0), but in some cases without the use of such a header pipe (10), 8 pipes (5
) may be sealed in itself. In addition, the hot water tank installation part (3) is made of aluminum roll bond material (6), but the roll bond material (6)
In addition, it may also be made by joining two aluminum plates on which working fluid passage concave portions have been previously formed by press working. Moreover, the solar heat collector (1) may be made not only of aluminum but also of copper or other metals.
発明の効果
この発明によるヒート・パイプ利用太陽熱集熱器は、上
述のように１．集熱板（４）およびこれに結合された並
列状作動流体収容管（５）を有する集熱部（２）と、金
属板（６）によりつくられかつ中空状の作動流体通路（
７）を有する貯湯槽設置部（３）とによって構成され、
貯湯槽設置部（３）の一端部に作動流体通路（７）に通
じる開口部（８）が集熱部（２）の管（５）と同数設け
られ、各開口部（８）に集熱器（２）の管（５）の一端
部が接続され、集熱部（２）の集熱板（４）６貯湯槽設
置部（３）との間に間隙（９）があけられているもので
、集熱部（２）と貯湯槽設置部（３）とが分離形成され
ていて、互いに接続されているものであるから、集熱部
（２）を集熱板（４）と並列状の管（５）とで構成する
ことにより、集熱部（２）の反り、たわみおよび変形の
発生を防止することができ、また選択吸収膜の仕上がり
外観が良好となり、すぐれた太陽熱集熱性能を有してい
る。また電食および腐食対策を貯湯槽設置部く３）だけ
に施すだけでよく、しかも従来の集熱器では採用できな
かった陽極酸化皮膜処理等の防鼠処理を施すことができ
、コストが安くつくとどもに、貯湯槽設置部（３）の耐
食性が向上する。ざらに集熱部（２）の集熱板（４）の
端部より突出した管（５）の端部を貯湯槽設置部（３）
の開口部（８）に接続するだけで、集熱部（２）と貯湯
設置部（３）との藺に自然に間隙（９）を形成すること
ができ、このため従来のようなロールボンド材の孔明は
加工を省略することができて、しかも夜間に６ける放熱
を防止することができ、集熱＠（１）の保温性が良好で
あるという効果を奏する。Effects of the Invention The solar heat collector using heat pipes according to the present invention has the following features:1. A heat collecting part (2) having a heat collecting plate (4) and a parallel working fluid storage tube (5) connected thereto, and a hollow working fluid passage (2) made of a metal plate (6).
7) and a hot water tank installation part (3),
The same number of openings (8) communicating with the working fluid passage (7) as the number of pipes (5) of the heat collecting section (2) are provided at one end of the hot water storage tank installation section (3), and each opening (8) collects heat. One end of the pipe (5) of the container (2) is connected, and a gap (9) is left between the heat collecting plate (4) of the heat collecting part (2) and the hot water tank installation part (3). Since the heat collecting part (2) and the hot water storage tank installation part (3) are formed separately and connected to each other, the heat collecting part (2) is placed in parallel with the heat collecting plate (4). By constructing the tube (5) in the shape of a tube (5), it is possible to prevent warpage, deflection, and deformation of the heat collecting part (2), and the finished appearance of the selective absorption film is good, resulting in excellent solar heat collection. It has performance. In addition, it is only necessary to apply electrolytic corrosion and corrosion countermeasures to the hot water storage tank installation area (3), and it is possible to apply rodent-proofing treatments such as anodic oxidation coating, which was not possible with conventional heat collectors, resulting in lower costs. As a result, the corrosion resistance of the hot water tank installation part (3) improves. Roughly connect the end of the pipe (5) protruding from the end of the heat collecting plate (4) of the heat collecting part (2) to the hot water tank installation part (3).
By simply connecting the opening (8) of the The perforations of the material can omit machining, and can prevent heat radiation during the night, resulting in good heat retention properties for heat collection (1).
図面はこの発明の実施例を示すもので、第１図は本発明
品の平面図、第２図は第１図Ｉ［−Ｉ線沿う拡大断面図
、第３図は第１図■−■線に沿う拡大断面図、第４図は
第１図の部分拡大縦断面図、第５図は変形例を示す部分
拡大縦断面図で、第４図に対応するものである。
（１）・・・太陽熱集熱器、（２）・・・集熱部、（３
）・・・貯湯槽設置部、（４）・・・集熱板、（５）・
・・作動流体収容管、（６）・・・ロールボンド材（金
属板）、（７）・・・作動流体通路、（８）・・・開口
部、（９）・・・間隙。
以上The drawings show embodiments of the present invention, and FIG. 1 is a plan view of the product of the present invention, FIG. 2 is an enlarged sectional view taken along the line I [-I in FIG. 1, and FIG. 4 is a partially enlarged longitudinal sectional view taken along a line, and FIG. 5 is a partially enlarged longitudinal sectional view showing a modified example, corresponding to FIG. 4. (1)...Solar heat collector, (2)...Heat collecting section, (3
)... Hot water tank installation part, (4)... Heat collection plate, (5)...
... Working fluid storage pipe, (6) ... Roll bond material (metal plate), (7) ... Working fluid passage, (8) ... Opening, (9) ... Gap. that's all
Claims (1)
容管（５）を有する集熱部（２）と、金属板（６）によ
りつくられかつ中空状の作動流体通路（７）を有する貯
湯槽設置部（３）とによつて構成され、貯湯槽設置部（
３）の一端部に作動流体通路（７）に通じる開口部（８
）が集熱部（２）の管（５）と同数設けられ、各開口部
（８）に集熱部（２）の管（５）の一端部が接続され、
集熱部（２）の集熱板（４）と貯湯槽設置部（３）との
間に間隙（９）があけられているヒートパイプ利用太陽
熱集熱器。A heat collecting part (2) having a heat collecting plate (4) and a parallel working fluid storage tube (5) connected thereto, and a hollow working fluid passageway (7) made of a metal plate (6). The hot water tank installation part (3) has a hot water storage tank installation part (3).
3) has an opening (8) at one end leading to the working fluid passageway (7).
) are provided in the same number as the tubes (5) of the heat collecting section (2), one end of the tube (5) of the heat collecting section (2) is connected to each opening (8),
A solar heat collector using heat pipes in which a gap (9) is provided between the heat collection plate (4) of the heat collection part (2) and the hot water storage tank installation part (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60011476A JPS61168750A (en) | 1985-01-23 | 1985-01-23 | Solar heat collector employing heat pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60011476A JPS61168750A (en) | 1985-01-23 | 1985-01-23 | Solar heat collector employing heat pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61168750A true JPS61168750A (en) | 1986-07-30 |
Family
ID=11779117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60011476A Pending JPS61168750A (en) | 1985-01-23 | 1985-01-23 | Solar heat collector employing heat pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61168750A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012517579A (en) * | 2009-02-12 | 2012-08-02 | コミサリア タ レネルジー アトミック エ オーエネルジー アルテルナティーヴ | Solar heat collector and electric energy generating equipment including the solar heat collector |
| JP2012517578A (en) * | 2009-02-12 | 2012-08-02 | コミサリア タ レネルジー アトミック エ オーエネルジー アルテルナティーヴ | Heat pipe set for solar collector |
-
1985
- 1985-01-23 JP JP60011476A patent/JPS61168750A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012517579A (en) * | 2009-02-12 | 2012-08-02 | コミサリア タ レネルジー アトミック エ オーエネルジー アルテルナティーヴ | Solar heat collector and electric energy generating equipment including the solar heat collector |
| JP2012517578A (en) * | 2009-02-12 | 2012-08-02 | コミサリア タ レネルジー アトミック エ オーエネルジー アルテルナティーヴ | Heat pipe set for solar collector |
| US9027347B2 (en) | 2009-02-12 | 2015-05-12 | Sophia Antipolis Energie Developpement | Solar collector, and an electrical energy generation plant including such solar collectors |
| US9310101B2 (en) | 2009-02-12 | 2016-04-12 | Sophia Antipolis Energie Developpement | Set of heat pipes for solar collectors |
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