CN211789399U - Heat radiation structure of metal fuel cell - Google Patents

Heat radiation structure of metal fuel cell Download PDF

Info

Publication number
CN211789399U
CN211789399U CN202020778474.XU CN202020778474U CN211789399U CN 211789399 U CN211789399 U CN 211789399U CN 202020778474 U CN202020778474 U CN 202020778474U CN 211789399 U CN211789399 U CN 211789399U
Authority
CN
China
Prior art keywords
pipe
electrolyte
horizontal
fuel cell
heat
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.)
Active
Application number
CN202020778474.XU
Other languages
Chinese (zh)
Inventor
张钧
张艳娜
吴磊
吕涛
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.)
Zhengzhou Foguang Power Generation Equipment Co Ltd
Original Assignee
Zhengzhou Foguang Power Generation Equipment Co 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
Application filed by Zhengzhou Foguang Power Generation Equipment Co Ltd filed Critical Zhengzhou Foguang Power Generation Equipment Co Ltd
Priority to CN202020778474.XU priority Critical patent/CN211789399U/en
Application granted granted Critical
Publication of CN211789399U publication Critical patent/CN211789399U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Abstract

The utility model discloses a metal fuel cell's heat radiation structure, include: coolant liquid pipe and a plurality of heat pipe, coolant liquid pipe and metal fuel cell' S electrolyte pipe are multilayer S-shaped pipe, all include the horizontal part and connect the flexion of two-layer horizontal part from top to bottom, the horizontal part of coolant liquid pipe and the horizontal part superpose of electrolyte liquid pipe, the flexion of coolant liquid pipe and the flexion of electrolyte liquid pipe are leaned on, a plurality of heat pipe joints are on the horizontal part of the coolant liquid pipe of every layer of superpose and the horizontal part of electrolyte liquid pipe, the heat pipe is the U type, including the bending section between two relative horizontal segments that set up and two horizontal segments, the horizontal part of coolant liquid pipe and the horizontal part of electrolyte liquid pipe are located between two. The utility model discloses a heat radiation structure combines heat pipe and two kinds of radiating modes of liquid cooling, can be in the short time quick adjustment electrolyte temperature, improves the radiating efficiency.

Description

Heat radiation structure of metal fuel cell
Technical Field
The utility model relates to a metal fuel cell field, more particularly, the utility model relates to a metal fuel cell's heat radiation structure.
Background
The metal fuel cell is a new type of cell with metal and air as cell material. It is a pollution-free, long-acting, stable and reliable power supply, and is a battery which is very friendly to the environment. The metal fuel cell has great adaptability, can be used as a power cell and a signal cell with long service life and high specific energy, is a very powerful cell and has wide application prospect.
The metal fuel cell generates electricity by utilizing the chemical reaction of the metal anode and the air cathode, a large amount of heat can be released in the reaction, the heat generated by the reaction needs to be taken away in time, the chemical reaction can be ensured within a proper temperature range, and the generating efficiency is improved.
The existing heat dissipation modes mainly comprise air cooling and liquid cooling, and the existing heat dissipation modes adopt a single heat dissipation mode, so that the heat dissipation effect is poor, and the air cooling heat dissipation noise is large and the liquid cooling heat dissipation volume is large.
In view of the problems of single heat dissipation mode, poor heat dissipation effect, etc. of the metal fuel cell, a heat dissipation structure capable of rapidly cooling and dissipating heat and improving the power generation efficiency of the metal fuel cell is needed.
SUMMERY OF THE UTILITY MODEL
For solving current metal fuel cell's radiating mode singleness, radiating effect subalternation problem, the utility model discloses creatively provide a metal fuel cell's heat radiation structure, this metal fuel cell's heat radiation structure combines two kinds of radiating mode of heat pipe and liquid cooling, can be in the short time quick adjustment electrolyte temperature, improves heat dissipation cooling efficiency, maintains metal fuel cell's reaction temperature in suitable temperature range, makes chemical reaction go on smoothly, improves metal fuel cell's generating efficiency.
In order to achieve the above technical object, the utility model discloses a metal fuel cell's heat radiation structure, include: a coolant tube and a plurality of heat pipes,
the cooling liquid pipe and the electrolyte pipe of the metal fuel cell are both multilayer S-shaped pipes, the cooling liquid pipe and the electrolyte pipe both comprise horizontal parts and bent parts for connecting the upper and lower horizontal parts, the horizontal parts of the cooling liquid pipe are superposed with the horizontal parts of the electrolyte pipe, the bent parts of the cooling liquid pipe are attached to the bent parts of the electrolyte pipe,
a plurality of the heat pipe joint is on the horizontal part of the coolant liquid pipe of every layer of superpose and the horizontal part of electrolyte pipe, the heat pipe is the U type, the heat pipe includes the horizontal segment of two relative settings and the bend segment between two horizontal segments, the horizontal part of coolant liquid pipe and the horizontal part of electrolyte pipe are located between two horizontal segments of heat pipe.
Furthermore, the pipelines of the cooling liquid pipe and the electrolyte pipe are both flat.
Furthermore, the horizontal part of the cooling liquid pipe and/or the horizontal part of the electrolyte pipe are/is provided with a fixing groove for clamping the heat pipe, and two side walls of the fixing groove are arc-shaped.
Further, the bent portion of the cooling liquid pipe and the bent portion of the electrolyte pipe are clamped and fixed by a U-shaped clamp.
Furthermore, a groove-shaped guide rail is arranged on the bending part of the electrolyte tube, one side of the U-shaped clamp is fixed in the groove-shaped guide rail, and the other side of the U-shaped clamp is tightly attached to the cooling liquid tube.
Further, the two horizontal sections of the heat pipe are perpendicular to the horizontal portion of the coolant pipe and the horizontal portion of the electrolyte pipe.
Further, the radii of the plurality of bends of the coolant pipe are the same.
Further, the bent portion of the electrolyte tube includes a first bent portion and a second bent portion, the first bent portion and the second bent portion are staggered, the first bent portion is surrounded at the outside of the bent portion of the coolant tube, and the second bent portion is surrounded by the bent portion of the coolant tube.
The utility model has the advantages that:
(1) the utility model provides a metal fuel cell's heat radiation structure combines two kinds of radiating modes of heat pipe and liquid cooling, can be in the short time quick adjustment electrolyte temperature, improves heat dissipation cooling efficiency, maintains metal fuel cell's reaction temperature in suitable temperature range, makes chemical reaction go on smoothly, and then improves the generating efficiency.
(2) The pipelines of the cooling liquid pipe and the electrolyte pipe of the utility model are flat, so that the liquid flow resistance is small, the contact heat exchange area is increased, and the heat dissipation and cooling efficiency is improved; the cooling liquid pipe and the electrolyte pipe are compact in structure and layered, and ventilation and heat dissipation are facilitated.
(3) The utility model provides a metal fuel cell's heat radiation structure simple structure, the installation of being convenient for.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation structure of a metal fuel cell.
Fig. 2 is a schematic structural view of a fixing groove.
Fig. 3 is a schematic structural view of a groove type guide rail.
Fig. 4 is a schematic connection diagram of the heat dissipation structure of the metal fuel cell during operation.
In the figure, the position of the upper end of the main shaft,
1. a heat pipe; 2. a coolant tube; 3. an electrolyte tube; 4. fixing grooves; 6. a U-shaped clamp; 7. a groove-shaped guide rail; 11. a horizontal section of the heat pipe; 12. a bending section of the heat pipe; 21. a horizontal portion of the cooling liquid pipe; 22. a bend in the coolant tube; 31. a horizontal part of the electrolyte tube; 32. a bent portion of the electrolyte tube; 321. a first bend of the electrolyte tube; 322. a second bend of the electrolyte tube; 80. a coolant tank; 81. a first circulation pump; 82. an electrolyte tank; 83. a second circulation pump; 84. and (4) electric pile.
Detailed Description
The heat dissipation structure of the metal fuel cell provided by the present invention is explained and explained in detail below with reference to the drawings of the specification.
Fig. 1 is a schematic structural diagram of a heat dissipation structure of a metal fuel cell. As shown in fig. 1, the present embodiment specifically discloses a heat dissipation structure of a metal fuel cell, including: the cooling liquid pipe 2 and the plurality of heat pipes 1, the cooling liquid pipe 2 and the electrolyte pipe 3 of the metal fuel cell are all multi-layer S-shaped pipes, the cooling liquid pipe 2 and the electrolyte pipe 3 both comprise horizontal parts and bent parts for connecting the upper horizontal part and the lower horizontal part, the horizontal part 21 of the cooling liquid pipe is overlapped with the horizontal part 31 of the electrolyte pipe, and the bent part 22 of the cooling liquid pipe is attached to the bent part 32 of the electrolyte pipe.
Preferably, the radii of the plurality of bent portions of the coolant pipe 2 are the same, the bent portion 32 of the electrolyte pipe includes first bent portions 321 and second bent portions 322, the first bent portions 321 and the second bent portions 322 are staggered, the inner diameter of the first bent portions 321 is larger than the outer diameter of the bent portions 22 of the coolant pipe, the first bent portions 321 are enclosed outside the bent portions 22 of the coolant pipe, the outer diameter of the second bent portions 322 is smaller than the inner diameter of the bent portions 22 of the coolant pipe, and the second bent portions 322 are enclosed by the bent portions 22 of the coolant pipe.
The plurality of heat pipes 1 are clamped on the horizontal part 21 of the cooling liquid pipe and the horizontal part 31 of the electrolyte pipe stacked on each layer, and the heat pipes 1 can be contacted with each other or can be separated by a certain distance. The heat pipe 1 is U-shaped, the heat pipe 1 includes two relative horizontal segments 11 that set up and the kink 12 between two horizontal segments, the horizontal part 21 of coolant liquid pipe and the horizontal part 31 of electrolyte pipe are located between two horizontal segments 11 of heat pipe 1, one of them horizontal segment 11 is close to the inboard surface of U type and contacts with the horizontal part 21 of coolant liquid pipe, another horizontal segment 11 is close to the inboard surface of U type and contacts with the horizontal part 31 of electrolyte pipe, heat pipe 1 carries out the heat dissipation cooling to the coolant liquid in the coolant liquid pipe 2 and the electrolyte in the electrolyte pipe 3.
The pipelines of the cooling liquid pipe 2 and the electrolyte pipe 3 are both flat, so that the liquid flow resistance is small, the contact heat exchange area is increased, and the heat dissipation and cooling efficiency is improved. The horizontal portion 21 of the coolant pipe and the bent portion 22 of the coolant pipe are integrally formed, and the horizontal portion 31 of the electrolyte pipe and the bent portion 32 of the electrolyte pipe are integrally formed.
In this embodiment, the plurality of heat pipes 1 are directly adhered to the horizontal portion 21 of the coolant pipe and the horizontal portion 31 of the electrolyte pipe, and are clamped by the elastic force of the heat pipes themselves without using a fixing member.
In some embodiments, the horizontal portion 21 of the coolant pipe and/or the horizontal portion 31 of the electrolyte pipe is provided with a fixing groove 4 for clamping the heat pipe 1, that is, only the horizontal portion of the coolant pipe may be provided with a fixing groove, only the horizontal portion of the electrolyte pipe may be provided with a fixing groove, or both the horizontal portion of the coolant pipe and the horizontal portion of the electrolyte pipe may be provided with a fixing groove 4. Since the horizontal portion of the stacked coolant liquid pipe and the horizontal portion of the electrolyte liquid pipe, sometimes the horizontal portion of the coolant liquid pipe is located above and sometimes the horizontal portion of the electrolyte liquid pipe is located above, preferably, the fixing grooves 4 are provided on the horizontal portion located above in each stacked layer, and the heat pipe can be stably fixed by the clamping action of the fixing grooves and the supporting action of the horizontal portions. As shown in fig. 2, both side walls of the fixing groove 4 are arc-shaped and match the shape of the heat pipe 1. When the plurality of heat pipes 1 are fixed by using the fixing grooves 4, the size of the fixing grooves 4 is set according to actual needs. The heat pipes may be fixed in each fixing groove 4, or the heat pipes 1 may be connected into a whole, and then the heat pipes 1 are integrally fixed in the fixing grooves 4. Preferably, the fixing groove 4 is welded to the horizontal portion where it is located. The fixing grooves 4 are welded on the horizontal portion 21 of the coolant pipe and the horizontal portion 31 of the electrolyte pipe, which are stacked on each layer, at an upper portion.
The bent part 22 of the cooling liquid pipe and the bent part 32 of the electrolyte pipe are clamped and fixed through the U-shaped clamp 6, so that the structure is more compact, and the heat dissipation effect is better.
Preferably, the bent portion 32 of the electrolyte tube is provided with a groove-shaped guide 7, and the structure of the groove-shaped guide 7 is as shown in fig. 3. One side of the U-shaped clamp 6 is fixed inside the groove-shaped guide rail 7, and the other side of the U-shaped clamp 6 is tightly attached to the cooling liquid pipe 2. The groove-shaped guide rail 7 avoids the U-shaped clamp 6 from sliding, so that the U-shaped clamp 6 is fixed more firmly, the electrolyte tube 3 is close to the cooling liquid tube 2, and the heat dissipation effect is enhanced. More preferably, the groove type rail 7 is provided on the outer surface of the bent portion 32 of the electrolyte pipe surrounding the outside of the bent portion 22 of the coolant pipe, i.e., the outer surface of the first bent portion (321).
The two horizontal sections 11 of the heat pipe 1 are perpendicular to the horizontal section 21 of the coolant pipe and the horizontal section 31 of the electrolyte pipe, and the bent section 12 of the heat pipe 1 is as close to the coolant pipe 2 and the electrolyte pipe 3 as possible, so that the heat dissipation effect is enhanced, and the installation is convenient.
Fig. 4 is a schematic connection diagram of the heat dissipation structure of the metal fuel cell during operation. As shown in fig. 4, a liquid inlet of the cooling liquid pipe 2 is connected to a liquid supply port of the cooling liquid tank 80, a liquid outlet of the cooling liquid pipe 2 is connected to a liquid return port of the cooling liquid tank 80, a first circulating pump 81 is disposed between the cooling liquid pipe 2 and the cooling liquid tank 80, and the first circulating pump 81 provides power for the flow of the cooling liquid; the liquid inlet of the electrolyte tube 3 is connected with the liquid supply port of the electrolyte tank 82 through a second circulating pump 83, the liquid outlet of the electrolyte tube 3 is connected with the liquid inlet of the electric pile 84, and the liquid outlet of the electric pile 84 is connected with the liquid return port of the electrolyte tank 82.
When the metal fuel cell generates electricity, the second circulation pump 83 is started, and the electrolyte flows through the second circulation pump 83 from the electrolyte tank 82, is radiated through the heat pipe 1 and the cooling liquid pipe 2, flows into the electric pile 84, undergoes a chemical reaction, and then flows back into the electrolyte tank 82. The coolant flows into the coolant pipe 2 from the coolant tank 80 through the first circulation pump 81, and is cooled by the heat of the electrolyte taken away by the direct contact with the electrolyte pipe 3 and the flow. The heat pipe 1 and the cooling liquid cool the electrolyte at the same time, and the cooling speed is improved.
The utility model provides a metal fuel cell's heat radiation structure combines heat pipe 1 and two kinds of radiating modes of liquid cooling, can be in the short time quick adjustment electrolyte temperature, makes metal fuel cell's reaction temperature maintain in suitable temperature range, makes chemical reaction go on smoothly, improves the generating efficiency.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description herein, references to the description of the terms "this embodiment," "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, and simple improvements made in the spirit of the present invention should be included in the protection scope of the present invention.

Claims (8)

1. A heat dissipation structure of a metal fuel cell, comprising: a cooling liquid pipe (2) and a plurality of heat pipes (1),
the cooling liquid pipe (2) and the electrolyte pipe (3) of the metal fuel cell are both multi-layer S-shaped pipes, the cooling liquid pipe (2) and the electrolyte pipe (3) both comprise horizontal parts and bent parts connecting the upper and lower horizontal parts, the horizontal part (21) of the cooling liquid pipe is superposed with the horizontal part (31) of the electrolyte pipe, and the bent part (22) of the cooling liquid pipe is attached to the bent part (32) of the electrolyte pipe,
a plurality of heat pipe (1) joint is on horizontal part (21) of the coolant liquid pipe of every layer of superpose and horizontal part (31) of electrolyte pipe, heat pipe (1) is the U type, heat pipe (1) include two relative horizontal segments (11) that set up and bend section (12) between two horizontal segments, horizontal part (21) of coolant liquid pipe and horizontal part (31) of electrolyte pipe are located between two horizontal segments (11) of heat pipe (1).
2. The heat dissipation structure of metal fuel cell according to claim 1, wherein the pipes of the coolant pipe (2) and the electrolyte pipe (3) are each flat.
3. The heat dissipation structure of a metal fuel cell according to claim 1, wherein the horizontal portion (21) of the coolant pipe and/or the horizontal portion (31) of the electrolyte pipe is provided with a fixing groove (4) for clamping the heat pipe (1), and both side walls of the fixing groove (4) are arc-shaped.
4. The heat dissipation structure of metal fuel cell according to claim 1, wherein the bent portion (22) of the coolant pipe and the bent portion (32) of the electrolyte pipe are clamped and fixed by a U-shaped clip (6).
5. The heat dissipation structure of a metal fuel cell according to claim 4, wherein a groove-shaped guide rail (7) is provided on the bent portion (32) of the electrolyte tube, one side of the U-shaped clip (6) is fixed in the groove-shaped guide rail (7), and the other side of the U-shaped clip (6) is attached to the coolant tube (2).
6. The heat dissipation structure of metal fuel cell according to claim 1, wherein the two horizontal sections (11) of the heat pipe (1) are perpendicular to the horizontal portion (21) of the coolant pipe and the horizontal portion (31) of the electrolyte pipe.
7. The heat dissipation structure of metal fuel cell according to claim 1, wherein the radius of the plurality of bent portions of the cooling liquid pipe (2) is the same.
8. The heat dissipation structure of a metal fuel cell according to claim 7, wherein the bent portion (32) of the electrolyte tube includes a first bent portion (321) and a second bent portion (322), the first bent portion (321) and the second bent portion (322) are staggered, the first bent portion (321) is enclosed outside the bent portion (22) of the coolant tube, and the second bent portion (322) is enclosed by the bent portion (22) of the coolant tube.
CN202020778474.XU 2020-05-12 2020-05-12 Heat radiation structure of metal fuel cell Active CN211789399U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020778474.XU CN211789399U (en) 2020-05-12 2020-05-12 Heat radiation structure of metal fuel cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020778474.XU CN211789399U (en) 2020-05-12 2020-05-12 Heat radiation structure of metal fuel cell

Publications (1)

Publication Number Publication Date
CN211789399U true CN211789399U (en) 2020-10-27

Family

ID=72957114

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020778474.XU Active CN211789399U (en) 2020-05-12 2020-05-12 Heat radiation structure of metal fuel cell

Country Status (1)

Country Link
CN (1) CN211789399U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021118447B3 (en) 2021-07-16 2022-11-03 Audi Aktiengesellschaft Arrangement for a fuel cell system and method for producing the arrangement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021118447B3 (en) 2021-07-16 2022-11-03 Audi Aktiengesellschaft Arrangement for a fuel cell system and method for producing the arrangement

Similar Documents

Publication Publication Date Title
JP5777734B2 (en) Cooling member with improved cooling efficiency and battery module using the same
JP5540114B2 (en) Medium or large battery pack with improved cooling efficiency
CN103069644B (en) There is the battery module of compact structure and good heat radiating characteristic and adopt the medium-and-large-sized battery pack of this battery module
CN102893449B (en) There is the cooling component of novel structure and comprise the battery module of this cooling component
JP4099171B2 (en) Cooling system for fuel cell stack
CN111540927B (en) Metal fuel cell system
CN211789399U (en) Heat radiation structure of metal fuel cell
CN106558723B (en) Fuel cell stack
US20150333346A1 (en) Fuel cell stack
US20040244954A1 (en) Heat exchanger
EP0128023B1 (en) Cooling assembly for fuel cells
CN216288626U (en) Liquid cooling board and battery package
CN211700500U (en) Battery box and battery module with same
CN108461871B (en) Flat pipe joint, heating liquid cooling device and battery module
CN220138415U (en) Battery liquid cooling structure and battery module
CN101253649B (en) Fuel cell
JP2003217628A (en) Fuel cell unit
CN220652125U (en) Battery cooling structure and battery module
CN218919108U (en) Heat exchange assembly of battery pack and battery pack
CN220527014U (en) Battery module, battery system and thermal management system
CN215644651U (en) New energy automobile battery package cooling system
CN218939797U (en) Energy storage unit and energy storage system
WO2024001896A1 (en) Battery temperature control system, high-capacity battery, battery pack, battery shell and heat exchange apparatus
CN220400750U (en) Heat exchange structure of battery, battery and vehicle
CN217589096U (en) Coiled pipe assembly and battery module

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: 450001 No.50 Dongqing street, high tech Development Zone, Zhengzhou City, Henan Province

Patentee after: Zhengzhou Foguang power generation equipment Co.,Ltd.

Address before: 450001 No.50 Dongqing street, high tech Development Zone, Zhengzhou City, Henan Province

Patentee before: ZHENGZHOU FOGUANG POWER GENERATION EQUIPMENT Co.,Ltd.

CP01 Change in the name or title of a patent holder