CN222231043U - A cooling device for a refrigerator - Google Patents
A cooling device for a refrigerator Download PDFInfo
- Publication number
- CN222231043U CN222231043U CN202323592212.7U CN202323592212U CN222231043U CN 222231043 U CN222231043 U CN 222231043U CN 202323592212 U CN202323592212 U CN 202323592212U CN 222231043 U CN222231043 U CN 222231043U
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- refrigerator
- frame
- fan
- main body
- transmission
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- 238000001816 cooling Methods 0.000 title claims description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 238000004140 cleaning Methods 0.000 claims description 30
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000017525 heat dissipation Effects 0.000 abstract description 27
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000428 dust Substances 0.000 description 9
- 238000007790 scraping Methods 0.000 description 7
- 230000005855 radiation Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
Landscapes
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The utility model discloses a refrigerator heat dissipation device, which comprises a refrigerator main body and a movable transmission device. According to the utility model, the movable transmission device is arranged, namely, the transmission of the driving wheel, the belt and the driven wheel is matched, the threaded block connected with the outer side of the screw transmission can be used for driving the sliding block arranged in the support frame along with the threaded block, so that the sliding block can be matched with the guide rod guiding effect to enable the fan main body to perform up-and-down reciprocating heat dissipation, and the advantages of up-and-down reciprocating transmission of the fan main body and large-range wind power heat dissipation matching are achieved.
Description
Technical Field
The utility model relates to the field of refrigerators, in particular to a heat dissipation device of a refrigerator.
Background
The refrigerator is a machine for transferring heat of a cooled object with lower temperature to an environment medium to obtain cold, the heat transferred from the object with lower temperature is conventionally called cold, working media which are used in the refrigerator and are changed in a thermodynamic process are called refrigerants, the temperature range of refrigeration is usually above 120K, and the temperature range below 120K belongs to a deep low-temperature technical range;
The heat dissipation fan of the general refrigerator is arranged at the top end, so that when the fan rotates, heat close to the top end of the refrigerator can be discharged preferentially, the heat discharge efficiency at the bottom of the refrigerator is low, the heat dissipation in the refrigerator is uneven, and the service life of the internal elements of the refrigerator is influenced;
Therefore, the utility model relates to a refrigerator heat radiator for refrigeration equipment, which has the prior application number of CN202221245853.8, and comprises a device body, wherein the bottom end of the device body is provided with a supporting leg, the top end of the device body is provided with a heat radiation opening, the inside of the heat radiation opening is provided with a rotating shaft, the top end of the rotating shaft is provided with a first fan, the utility model connects the two groups of the first fan and a second fan together through a transmission mechanism, can synchronously drive the first fan and the second fan to rotate, the first fan can rapidly discharge heat at the top of the device body, the second fan blows heat at the bottom upwards, heat dissipation efficiency is improved, the gear is driven to rotate, the rack meshed with the gear is driven to move, and accordingly the shielding plate is driven to slide in parallel by the rack, when the device body is closed, the shielding plate is shielded at the top end of the heat dissipation opening, dust is prevented from falling in, dust is reduced when the first fan rotates, and the dust is prevented from falling into the device body to affect heat dissipation of the element;
Above-mentioned current heat abstractor through the synchronous rotation of first fan and second fan, realizes the inside abundant heat dissipation of device body, but its first fan that establishes is comparatively fixed with the whole position of second fan, leads to wind-force radiating range less to use for a long time along with first fan and second fan, outside is easier to adhere to the dust, leads to wind-force radiating rate to reduce, influences whole radiating efficiency.
Disclosure of utility model
Accordingly, in order to solve the above-mentioned drawbacks, the present utility model provides a heat dissipating device for a refrigerator.
In order to achieve the purpose, the cooling device of the refrigerator adopts the following technical scheme that the cooling device comprises a refrigerator main body, a cabinet door is rotatably connected to the front side of the refrigerator main body, a cooling groove is formed in the right side of the refrigerator main body, a fan frame is oppositely arranged on the outer side of the upper end of the cooling groove, a fan shell is fastened on the right side of the fan frame, a fan main body is mounted in the fan shell, a grid net is fastened on the right side of the fan shell, the cooling device further comprises a movable transmission device arranged on the outer side of the refrigerator main body, and the movable transmission device comprises a stable frame body arranged on the right side of the refrigerator main body, a transmission component arranged on the right side of the stable frame body and a cleaning component connected to the rear side of the transmission component.
Preferably, the stabilizing frame body comprises a support frame arranged on the right side of the refrigerator main body, guide rods inserted into two sides of the support frame and a sliding block arranged on the outer side of the guide rods, and the outer side of the sliding block is connected with the transmission assembly.
Preferably, the transmission assembly comprises a connecting plate arranged on the right side of the support frame, a protective cover connected to the lower end of the front side of the connecting plate, a servo motor arranged at the upper end of the connecting plate, a driving wheel connected to the lower end of the servo motor, a belt connected to the outer side of the driving wheel in a transmission manner, a driven wheel connected to the front side of the belt in a transmission manner, a screw rod connected to the middle part of the driven wheel, and a thread block connected to the outer side of the screw rod in a thread manner, wherein the left side of the thread block is connected with the sliding block.
Preferably, the cleaning assembly comprises a side plate connected to the rear side of the transmission assembly, a vertical plate fastened to the lower end of the side plate, a swinging structure arranged in the vertical plate, and a cleaning brush arranged on the outer side of the vertical plate and connected with the front side of the swinging structure.
Preferably, the swing structure comprises a stepping motor arranged in the vertical plate, a fixing frame connected to the right side of the stepping motor and fixedly connected with the inside of the vertical plate, a rotating block arranged on the right side of the stepping motor, a connecting shaft inserted in the rear side of the rotating block, a swing frame connected to the outer side of the connecting shaft in a transmission manner and a rotating shaft inserted in the right sides of the fixing frame and the swing frame, and the front side of the rotating shaft is connected with the cleaning brush.
Preferably, the whole door-shaped frame-shaped setting that is of support frame, and vertical hollow is offered to support frame front side lower extreme surface.
Preferably, the driving wheel and the belt are longitudinally and linearly combined and connected with the driven wheel, and the middle part of the driven wheel is correspondingly and fixedly connected with the upper end of the screw rod.
Preferably, the middle part of the left side of the swing frame is in a smooth round rod shape, and the front end and the rear end of the right side of the swing frame are fixedly connected with the outer side of the rotating shaft.
The utility model has the beneficial effects that:
the utility model has the advantages that the movable transmission device is arranged, namely, the movable transmission device is matched with the driving wheel, the belt and the driven wheel for transmission, so that the threaded block connected with the outer side of the screw transmission can drive the sliding block arranged in the support frame along with the threaded block, and the sliding block can be matched with the guide rod guiding effect to enable the fan main body to perform up-and-down reciprocating heat dissipation, thereby achieving the up-and-down reciprocating transmission of the fan main body and realizing the advantage of large-range wind power heat dissipation matching.
The cleaning assembly is arranged, namely, the rotating block, the connecting shaft and the swinging frame are matched for transmission, so that the rotating shaft can drive the cleaning brush back and forth to assist in scraping cleaning of the outer side of the grid net, the occurrence of dust blocking phenomenon is reduced, and the advantages of convenient back and forth scraping cleaning of the outer side of the grid net and improvement of air circulation rate are achieved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic perspective view of a fan body of the present utility model;
FIG. 3 is a schematic diagram of a mobile transmission device according to the present utility model;
FIG. 4 is a schematic view of the structure of the stabilizing frame of the present utility model;
FIG. 5 is a schematic view of the transmission assembly of the present utility model;
FIG. 6 is a schematic view of a perspective and enlarged structure of a transmission assembly according to the present utility model;
FIG. 7 is a schematic view of a cleaning assembly of the present utility model;
fig. 8 is a schematic perspective view of the swing structure of the present utility model.
The refrigerator comprises a refrigerator main body-1, a cabinet door-2, a heat dissipation groove-3, a fan frame-4, a fan shell-5, a fan main body-6, a grid net-7, a movable transmission device-8, a stable frame body-81, a support frame-811, a guide rod-812, a sliding block-813, a transmission component-82, a connecting plate-821, a protective cover-822, a servo motor-823, a driving wheel-824, a belt-825, a driven wheel-826, a screw-827, a thread block-828, a cleaning component-83, a side plate-831, a vertical plate-832, a swinging structure-833, a stepping motor-8331, a fixing frame-8332, a rotating block-8333, a connecting shaft-8334, a swinging frame-8335, a rotating shaft-8336 and a cleaning brush-834.
Detailed Description
In order to further explain the technical scheme of the utility model, the following is explained in detail through specific examples.
Referring to fig. 1-2, the utility model provides a cooling device of a refrigerator, comprising a refrigerator main body 1, a cabinet door 2 rotatably connected to the front side of the refrigerator main body 1, a cooling slot 3 provided on the right side of the refrigerator main body 1, a fan frame 4 provided on the outer side of the upper end of the cooling slot 3, a fan housing 5 fastened on the right side of the fan frame 4, a fan main body 6 mounted in the fan housing 5, a grid net 7 fastened on the right side of the fan housing 5, and a movable transmission device 8 provided on the outer side of the refrigerator main body 1.
The fan shell 5, the fan main body 6 and the grid net 7 are all provided with five groups along the outer side of the fan frame 4, and the five groups of parts are arranged in the same longitudinal direction, so that efficient wind power heat dissipation cooperation is realized.
Referring to fig. 3, the moving transmission device 8 in this embodiment includes a stable frame 81 disposed on the right side of the refrigerator main body 1 to realize stable supporting and matching, a transmission assembly 82 disposed on the right side of the stable frame 81 and extending toward the front lower end, and a cleaning assembly 83 correspondingly disposed on the rear side of the transmission assembly 82 to realize reciprocating scraping and cleaning and matching.
Referring to fig. 4, the stable frame 81 in this embodiment includes a supporting frame 811 fixedly connected to the right side of the main body 1 of the refrigerator to achieve stable connection and supporting cooperation, a guide rod 812 symmetrically vertically inserted into the front and rear sides of the lower end of the supporting frame 811 to achieve vertical movement guiding cooperation, a sliding block 813 correspondingly installed at the outer ends of the guide rods 812 on both sides to achieve vertical sliding cooperation, and the right side of the front sliding block 813 is connected with the transmission assembly 82, and opposite sides of the sliding block 813 on both sides are correspondingly connected with the front and rear sides of the fan frame 4 respectively, so as to achieve stable vertical movement driving of the fan frame 4.
The whole support 811 is in a door-shaped frame, and a vertical hollow is formed in the outer surface of the lower end of the front side of the support 811, so that the right end of the front side sliding block 813 can pass through the vertical hollow formed in the support 811 to be stably combined and connected with the transmission component 82.
Referring to fig. 5-6, the transmission assembly 82 in this embodiment includes a connection plate 821 longitudinally mounted on the upper right side of the support frame 811, a protection cover 822 vertically abutted against the lower front side of the connection plate 821 to achieve a protection fit, a servo motor 823 disposed on the upper end of the connection plate 821, a driving wheel 824 connected to the outer side of the output end of the bottom of the servo motor 823, a belt 825 connected to the outer side of the driving wheel 824, and a driven wheel 826 connected to the front side of the belt 825, so as to form a stable synchronous rotation transmission structure, a screw 827 connected to the middle of the driven wheel 826 and vertically mounted in the protection cover 822, a screw block 828 screwed on the outer side of the screw block 827, and the left side of the screw block 828 is correspondingly connected to the right side of the front slider 813.
Specifically, the driving wheel 824 and the belt 825 are in longitudinal same-line combined connection with the driven wheel 826, the middle part of the driven wheel 826 is correspondingly and fixedly connected with the upper end of the screw 827, so that the driving wheel 824, the belt 825 and the driven wheel 826 can be stably matched, and smooth reciprocating thread transmission matching of the screw 827 is realized.
Referring to fig. 7-8, the cleaning assembly 83 in this embodiment includes a side plate 831 longitudinally fastened to the rear side of the connecting plate 821, a vertical plate 832 vertically fastened to the lower end of the rear side of the side plate 831, and a swinging structure 833 correspondingly disposed in the lower end of the vertical plate 832 to implement reciprocating swinging transmission, and a cleaning brush 834 mounted on the outer side of the vertical plate 832 and connected to the front side of the swinging structure 833.
Further, the swinging structure 833 includes a stepper motor 8331 mounted inside the lower end of the riser 832, a fixed frame 8332 connected to the right side of the stepper motor 8331 and fixedly connected to the lower end of the riser 832 for supporting and matching, a rotating block 8333 disposed outside the output end of the right side of the stepper motor 8331 and capable of performing circumferential rotation driving and matching, a connecting shaft 8334 correspondingly and horizontally sliding inserted to the rear side of the rotating block 8333 for realizing swinging driving and matching, a swinging frame 8335 in driving connection to the outer side of the connecting shaft 8334, a rotating shaft 8336 inserted to the middle of the right sides of the fixed frame 8332 and the swinging frame 8335 for realizing reciprocating driving and matching, and a cleaning brush 834 connected to the front side of the rotating shaft 8336.
Further, the middle part of the left side of the swing frame 8335 is in a smooth round rod shape, and the front end and the rear end of the right side of the swing frame 8335 are both fixedly connected with the outer side of the rotating shaft 8336, so that the swing frame 8335 can realize stable reciprocating rotation of the rotating shaft 8336.
The working principle is as follows:
When the refrigerator main body 1 runs and the internal temperature is too high and heat dissipation is required, the fan main body 6 arranged in the fan housing 5 can be driven to synchronously rotate the fan main bodies 6 arranged at five positions outside the fan frame 4, so that hot air in the refrigerator main body 1 is led out, the internal temperature of the refrigerator main body 1 is reduced, the integral running stability of the refrigerator main body 1 is ensured, and the phenomenon of overheat damage of internal parts of the refrigerator main body 1 is avoided;
In order to improve the heat dissipation effect of the refrigerator main body 1, a movable transmission device 8 is arranged on the right side of the refrigerator main body 1 to realize the up-and-down reciprocating heat dissipation cooperation of the fan main body 6, namely, a servo motor 823 arranged in a driving transmission assembly 82 is driven to enable the servo motor 823 to realize the rotation of a bottom connected driving wheel 824, and the driving wheel 824 can be matched with a belt 825 in transmission connection with the outside to realize the synchronous driving of a front connected driven wheel 826, so that a screw 827 connected in the middle of the driven wheel 826 rotates to drive a threaded block 828 in threaded connection with the outside, the threaded block 828 moves up and down along the inside of a protective cover 822, so that a sliding block 813 connected with the left side of the threaded block 828 can be matched with a guide rod 812 inserted in the middle to realize the up-and-down reciprocating movement of the whole fan frame 4, and the fan frame 4 can also be matched with the combined guide cooperation of the rear connected sliding block 813 and the guide rod 812 to realize the efficient up-and-down reciprocating movement, and the fan main body 6 arranged in the inside can be correspondingly driven to move to flexibly adjust the wind power position, so that the heat inside of the refrigerator main body 1 can be guided up-and-down reciprocally moved along with the fan frame 4 to realize the efficient heat dissipation, and the high-speed heat dissipation, and the heat dissipation effect can be matched with the high-efficient heat dissipation effect, and the heat dissipation effect can realize the high-efficiency, and the heat dissipation, and the up and the heat dissipation effect;
Secondly, during the wind power heat dissipation of the fan main body 6, a large amount of dust is adhered to the grid net 7 connected to the outer side of the fan frame 4, and the adhesion of the dust affects the wind power heat dissipation efficiency of the fan main body 6, so that the outer conduction efficiency of the fan main body 6 is reduced, therefore, the cleaning component 83 is arranged at the rear side of the connecting plate 821, namely, the stepping motor 8331 driving the swinging structure 833 arranged in the lower end of the vertical plate 832 enables the stepping motor 8331 to realize the rotation of the right output end connected with the rotating block 8333, the connecting shaft 8334 transversely connected to the rear side of the rotating block 8333 is matched with the circumferential rotation track under the rotation of the rotating block 8333 to drive the right phase transmission connected with the swinging frame 5, the swinging frame 8335 is integrally reciprocated, so, the rotating shafts 8336 connected with the front and rear ends of the right side of the swinging frame 8335 can realize smooth reciprocating driving of the outer side connected cleaning brushes 834 under the supporting and matching of the front and rear ends of the right side of the fixed frame 8332, and therefore, when the fan frame 4 is driven by the transmission assembly 82 and moves down to the outer side of the cleaning brushes 834, the reciprocating swinging cleaning brushes 834 can realize rapid scraping cleaning of dust attached to the outer side of the grid net 7, the outer side of the grid net 7 is clean, the air circulation rate is improved, and the fan main body 6 is matched with the inside of the refrigerator main body 1 in a high-efficiency wind power heat dissipation mode, so that the advantages of convenient reciprocating scraping cleaning of the outer side of the grid net 7 and the air circulation rate are achieved.
The utility model provides a refrigerator heat radiator, which is provided with a movable transmission device 8, namely a thread block 828 which is matched with a driving wheel 824, a belt 825 and a driven wheel 826 to be transmitted, and can lead a screw rod 827 to be connected with the outside of the transmission, so that the thread block 828 can drive a sliding block 813 arranged in a support frame 811 along with the thread block, thus the sliding block 813 can be matched with a guide rod 812 to lead a fan main body 6 to be used for up-and-down reciprocating heat radiation, thereby achieving the advantage of up-and-down reciprocating transmission of the fan main body 6 and realizing the matching of large-scale wind power heat radiation, and a cleaning component 83, namely a rotating block 8333, a connecting shaft 8334 and a swinging frame 8335 to be matched to be transmitted, can lead a rotating shaft 8336 to drive a cleaning brush 834 in a reciprocating manner to assist in the scraping cleaning of the outside of a grid net 7, and reduce the occurrence of dust blocking phenomenon, thereby achieving the advantage of convenient reciprocating scraping cleaning of the outside of the grid net 7 and improving the air circulation rate.
The foregoing is merely a preferred example of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a refrigerator heat abstractor, includes refrigerator main part (1), refrigerator main part (1) front side rotates and is connected with cabinet door (2), radiating groove (3) have been seted up on refrigerator main part (1) right side, and the relative fan frame (4) that are equipped with in its radiating groove (3) upper end outside, fan frame (4) right side fastening has fan shell (5), and fan shell (5) internally mounted has fan main part (6), fan shell (5) right side fastening has grid net (7);
The refrigerator is characterized by further comprising a movable transmission device (8) arranged on the outer side of the refrigerator main body (1), wherein the movable transmission device (8) comprises a stable frame body (81) arranged on the right side of the refrigerator main body (1), a transmission assembly (82) arranged on the right side of the stable frame body (81) and a cleaning assembly (83) connected to the rear side of the transmission assembly (82).
2. The cooling device of the refrigerator according to claim 1, wherein the stable frame body (81) comprises a supporting frame (811) arranged on the right side of the refrigerator main body (1), guide rods (812) inserted into two sides of the supporting frame (811), and sliding blocks (813) arranged on the outer sides of the guide rods (812), and the outer sides of the sliding blocks (813) are connected with the transmission assembly (82).
3. The cooling device of a refrigerator according to claim 1, wherein the transmission assembly (82) comprises a connecting plate (821) arranged on the right side of the supporting frame (811), a protective cover (822) connected to the lower end of the front side of the connecting plate (821), a servo motor (823) arranged on the upper end of the connecting plate (821), a driving wheel (824) connected to the lower end of the servo motor (823), a belt (825) connected to the outer side of the driving wheel (824) in a transmission manner, a driven wheel (826) connected to the front side of the belt (825) in a transmission manner, a screw rod (827) connected to the middle of the driven wheel (826) and a thread block (828) connected to the outer side of the screw rod (827) in a thread manner, and the left side of the thread block (828) is connected with the slider (813).
4. A heat sink for a refrigerator according to claim 1, wherein the cleaning assembly (83) comprises a side plate (831) connected to the rear side of the transmission assembly (82), a vertical plate (832) fastened to the lower end of the side plate (831), a swing structure (833) disposed inside the vertical plate (832), and a cleaning brush (834) mounted on the outer side of the vertical plate (832) and connected to the front side of the swing structure (833).
5. The heat dissipating double-fuselage of a refrigerator in claim 4, wherein the said swinging structure (833) includes locating the stepping motor (8331) in the riser (832), connect in the right side of the stepping motor (8331) and with the fixed mount (8332) of the internal fastening connection of riser (832), locate the turning block (8333) on the right side of the stepping motor (8331), connect in the connecting axle (8334) of the back side of turning block (8333), swing frame (8335) connected to outside of the connecting axle (8334) in a driving way and connect in the fixed mount (8332) and spindle (8336) on the right side of the swing frame (8335), the front side of the said spindle (8336) is connected with cleaning brush (834).
6. The cooling device of the refrigerator according to claim 2, wherein the supporting frame (811) is integrally arranged in a door-shaped frame shape, and a vertical hollow part is formed on the outer surface of the lower end of the front side of the supporting frame (811).
7. The cooling device of the refrigerator according to claim 3, wherein the driving wheel (824), the belt (825) and the driven wheel (826) are longitudinally and linearly combined and connected, and the middle part of the driven wheel (826) is correspondingly and fixedly connected with the upper end of the screw (827).
8. The heat dissipating double-fuselage of a refrigerator in claim 5, wherein the said swing frame (8335) left middle part takes the form of smooth round bar to set up, and both ends are fastened and connected with outside of the spindle (8336) around the right side of the swing frame (8335).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323592212.7U CN222231043U (en) | 2023-12-27 | 2023-12-27 | A cooling device for a refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323592212.7U CN222231043U (en) | 2023-12-27 | 2023-12-27 | A cooling device for a refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222231043U true CN222231043U (en) | 2024-12-24 |
Family
ID=93921593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323592212.7U Active CN222231043U (en) | 2023-12-27 | 2023-12-27 | A cooling device for a refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222231043U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119983655A (en) * | 2025-04-17 | 2025-05-13 | 福建省春龙农牧科技有限公司 | Energy-saving refrigeration device |
-
2023
- 2023-12-27 CN CN202323592212.7U patent/CN222231043U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119983655A (en) * | 2025-04-17 | 2025-05-13 | 福建省春龙农牧科技有限公司 | Energy-saving refrigeration device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20250213 Address after: No. 12 Yantai Road, Leting Economic Development Zone, Tangshan City, Hebei Province, China 063000 Patentee after: TANGSHAN TANGSTEEL GAS Co.,Ltd. Country or region after: China Patentee after: TANGSHAN IRON&STEEL GROUP Co.,Ltd. Patentee after: Hetang leting Steel Co.,Ltd. Address before: Room 601, Building 21, China Railway Dongyuan Community, Taiyi Road, Beilin District, Xi'an City, Shaanxi Province 710001 Patentee before: Xi'an Jidu Refrigeration Equipment Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right |