CN211474255U - Diesel generating set with water cooling - Google Patents
Diesel generating set with water cooling Download PDFInfo
- Publication number
- CN211474255U CN211474255U CN202020102281.2U CN202020102281U CN211474255U CN 211474255 U CN211474255 U CN 211474255U CN 202020102281 U CN202020102281 U CN 202020102281U CN 211474255 U CN211474255 U CN 211474255U
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- Prior art keywords
- water
- pipe
- heat dissipation
- heat
- cooling
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 238000001816 cooling Methods 0.000 title claims abstract description 50
- 230000017525 heat dissipation Effects 0.000 claims abstract description 67
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052802 copper Inorganic materials 0.000 claims abstract description 32
- 239000010949 copper Substances 0.000 claims abstract description 32
- 239000000498 cooling water Substances 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 28
- 239000000428 dust Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 241000270295 Serpentes Species 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
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Abstract
The utility model relates to a diesel generator set with water cooling and heat dissipation, which comprises a base, a diesel engine and a generator, wherein the diesel engine and the generator are both arranged on the base; the base is provided with a water cooling component and a heat dissipation component; the water cooling assembly comprises a mounting bracket detachably connected with the base and a heat collecting water pipe connected with the mounting bracket, and a cooling cavity for containing cooling water is arranged on the diesel engine; one end of the heat collecting water pipe is provided with a water inlet pipe, the other end of the heat collecting water pipe is provided with a water outlet pipe, and the cooling cavity is provided with a cold water inlet pipe communicated with the water outlet pipe and a hot water outlet pipe communicated with the water inlet pipe; flexible connecting components are arranged between the water outlet pipe and the cold water inlet pipe and between the water inlet pipe and the hot water outlet pipe, and the water outlet pipe is communicated with a water delivery pump; the heat radiation assembly comprises a heat radiation copper pipe and a heat radiation fan, and the heat collection water pipe is arranged between the heat radiation fan and the heat radiation copper pipe. The utility model discloses have can be stable carry out radiating effect to diesel generator.
Description
Technical Field
The utility model belongs to the technical field of diesel generating set and specifically relates to a diesel generating set with water-cooling heat dissipation is related to.
Background
At present, chinese patent application with publication number CN104358610A discloses a heat dissipation device for diesel generator sets for oil fields, which comprises a heat dissipation machine body, a fan housing fixing frame, a top plate and a supporting base, wherein a cooling water inlet pipe interface and a cooling water outlet pipe interface are arranged on the side surface of the top plate, a cooling device, a heat dissipation air duct and a main fan are arranged in the heat dissipation machine body, a storage box and a refrigeration box are arranged in the cooling device, a refrigerator is arranged in the refrigeration box, a main air inlet fan housing and an air outlet fan housing are arranged on the back surface of the heat dissipation machine body, a diesel generator fixing ring is arranged on the fan housing fixing frame, and an air inlet air duct and.
The Chinese patent application with publication number CN106089417A discloses a small-size super-silent diesel generator set, which comprises a diesel engine generator, a water-cooled muffler, a chassis and a radiator, wherein the diesel engine, the generator and the water-cooled muffler are all fixed on the chassis of the unit and are isolated from the external environment through a silent cover, the chassis and the silent cover are connected through a detachable lock catch, the radiator is installed outside the silent cover, the radiator is connected with a cooling liquid sleeve of the diesel engine through a water inlet pipe and a water outlet pipe to form a cooling circulation loop, and a smoke outlet of the diesel engine is connected with the water-cooled muffler through a water-cooled exhaust manifold.
The existing diesel generating set and the heat dissipation device are often only simply fixedly connected, but the diesel engine can vibrate during working, and the cooling water tank is easy to remain scale during long-term use to influence the stability of heat dissipation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a diesel generating set with water-cooling heat dissipation, can be stable dispels the heat to diesel generator to prior art exists not enoughly.
The above object of the present invention is achieved by the following technical solutions: a diesel generator set with water cooling and heat dissipation functions comprises a base, a diesel engine and a generator, wherein the diesel engine and the generator are both arranged on the base;
the base is provided with a water cooling assembly used for taking away heat on the diesel engine and a heat dissipation assembly used for dissipating the heat in the water cooling assembly;
the water cooling assembly comprises a mounting bracket detachably connected with the base and a heat collecting water pipe connected with the mounting bracket, and a cooling cavity for containing cooling water is arranged on the diesel engine; a cold water inlet pipe communicated with the water outlet pipe and a hot water outlet pipe communicated with the water inlet pipe are arranged on the cooling cavity;
flexible connecting components are arranged between the water outlet pipe and the cold water inlet pipe and between the water inlet pipe and the hot water outlet pipe, and a water delivery pump is communicated with the water outlet pipe;
the heat dissipation assembly comprises a heat dissipation copper pipe arranged on the mounting support and a heat dissipation fan connected with a main shaft of the diesel engine, and the heat collection water pipe is arranged between the heat dissipation fan and the heat dissipation copper pipe.
By adopting the technical scheme, the base is used for bearing a diesel engine and a generator, the diesel engine is used for converting heat generated in the combustion process of diesel oil into mechanical energy, and the generator is used for converting the mechanical energy into electric energy; the cooling water pipe is used for cooling water circulation, the cooling cavity is used for containing cooling water so that the cooling water can take away heat on the diesel engine more quickly, the water inlet pipe is used for being communicated with the hot water outlet pipe, the water outlet pipe is used for being communicated with the cold water inlet pipe, and the cooling cavity can be better communicated with the heat collecting water pipe, so that the cooling water circulation is better realized, and the heat dissipation is better carried out on the diesel engine; the flexible connecting assembly is used for flexibly communicating the water outlet pipe with the cold water inlet pipe and the water inlet pipe with the hot water outlet pipe, so that vibration generated when the diesel engine works cannot influence the water cooling assembly, the water cooling assembly cannot be damaged due to long-time vibration, and the water cooling assembly can dissipate heat more stably; the heat dissipation copper pipe among the radiator unit is used for absorbing the heat on the thermal-arrest water pipe, and radiator fan is used for blowing the heat on the thermal-arrest water pipe to the heat dissipation copper pipe to the heat can distribute away sooner, makes the heat dissipation can be more stable.
The present invention may be further configured in a preferred embodiment as: the mounting bracket is provided with a plurality of heat conduction fins which are arranged along the vertical direction; the heat collecting water pipe is arranged in a coiled pipe mode and penetrates through the heat conducting fins.
By adopting the technical scheme, the snakelike tubular heat collecting water pipe saves occupied space better, has larger contact area with cooling water and can better radiate heat in the cooling water; the heat conduction fins further increase the contact area between the heat collection water pipe and the air, so that the heat in the cooling water can be dissipated to the air more quickly.
The present invention may be further configured in a preferred embodiment as: flexible coupling assembling includes bellows, first sealing ring, second sealing ring and first clamp and second clamp, first sealing ring cover is established on the outlet pipe, the second sealing ring cover is established on cold water income pipe, the bellows both ends are established respectively on first sealing ring and second sealing ring, first clamp and second clamp are hooped respectively and are established and are located first sealing ring and second sealing ring department at the bellows.
By adopting the technical scheme, the first sealing ring can better seal the corrugated pipe and the water outlet pipe, the second sealing ring can better seal the corrugated pipe and the cold water inlet pipe, and the first clamp and the second clamp can stably clamp the corrugated pipe on the first sealing ring and the second sealing ring, so that the corrugated pipe can be more stably and firmly connected with the water outlet pipe and the cold water inlet pipe; the corrugated pipe has good flexibility, so that the heat collecting water pipe can be better flexibly communicated with a cooling cavity on the diesel engine, and the heat collecting water pipe can dissipate heat more stably.
The present invention may be further configured in a preferred embodiment as: the base is provided with a horizontally arranged connecting plate, and a supporting plate connected with the mounting bracket is arranged on the connecting plate along the vertical direction; the connecting plate is provided with a strip-shaped connecting through hole, the base is provided with a connecting bolt penetrating through the connecting through hole, and the connecting bolt is in threaded fit with a connecting nut.
By adopting the technical scheme, the connecting plate slides along the length direction of the connecting through hole, so that the connecting position can be well adjusted, the adjustment can be conveniently carried out according to the position of the heat collecting water pipe required to be installed, and the heat collecting water pipe is more convenient to install; the connecting bolt can be firmly and stably locked on the base through the matching of the connecting nut, and the stability of the installation of the heat collection water pipe is further improved.
The present invention may be further configured in a preferred embodiment as: the supporting plate is provided with a supporting screw rod, the mounting bracket is provided with a plurality of supporting through holes for the supporting screw rod to pass through, and the supporting through holes are provided with a plurality of supporting nuts in the vertical direction in a threaded fit mode.
By adopting the technical scheme, the support screw rods are inserted into the support through holes at different height positions, so that the heat collecting water pipes can be installed at different heights, adjustment can be performed according to the actual installation requirements of the heat collecting water pipes, and the heat collecting water pipes are more convenient to install; the support screw and the support nut are matched, so that the mounting support can be locked on the connecting plate better, and the heat collection water pipe is mounted more stably.
The present invention may be further configured in a preferred embodiment as: the mounting bracket is provided with a protective shell used for arranging the radiating fan cover in the mounting bracket, and the protective shell is provided with an air guide through hole for air flow to pass through.
Through adopting above-mentioned technical scheme, the protecting crust is used for covering radiator fan to establish to avoid the staff mistake to touch radiator fan, better having avoided radiator fan to cause personnel's injury to the staff, thereby better improvement radiating component's security, guaranteed the stable heat dissipation of radiating component.
The present invention may be further configured in a preferred embodiment as: and a dust screen is arranged on one side of the mounting bracket, which is far away from the diesel engine.
Through adopting above-mentioned technical scheme, the dust screen is used for preventing that some great debris and dirt from adhering to the heat dissipation copper pipe to avoid copper pipe surface to adhere to and influence the heat dissipation after too much dirt, and then guaranteed the stable heat dissipation of copper pipe.
The present invention may be further configured in a preferred embodiment as: the heat dissipation copper pipes are arranged in a coiled pipe, a plurality of rows of heat dissipation copper pipes are arranged in the axis direction of the diesel engine main shaft, and heat dissipation gaps are formed among the plurality of rows of heat dissipation copper pipes.
By adopting the technical scheme, the contact area between the copper pipe arranged in the snake shape and air is greatly increased, so that the copper pipe can better absorb heat and radiate the heat, and the heat radiation efficiency is better improved; the contact area of the copper pipes and air is further increased by the multiple rows of copper pipes, so that the heat dissipation efficiency is further improved.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the cooling cavity is communicated with the heat collecting water pipe through the flexible connecting assembly, so that the vibration of the heat collecting water pipe driven by the vibration caused by the work of a diesel engine is better avoided, the heat collecting water pipe can more stably circulate cooling water, and the heat is more stably radiated;
2. the heat on the heat collecting water pipe can be better absorbed by the heat dissipation copper pipe, and the heat dissipation fan is used for blowing the heat on the heat dissipation copper pipe to the heat dissipation copper pipe more quickly, so that the heat dissipation efficiency is further improved.
Drawings
FIG. 1 is a schematic structural view of the whole of the present embodiment;
FIG. 2 is a schematic structural diagram of a water cooling module and a heat dissipation module according to the present embodiment;
FIG. 3 is an enlarged schematic view of portion A of FIG. 1;
fig. 4 is a schematic structural view of the flexible connecting assembly of the present embodiment.
In the figure, 1, a base; 2. a diesel engine; 3. a generator; 4. a water-cooling assembly; 5. a heat dissipating component; 6. mounting a bracket; 7. a heat collecting water pipe; 8. a cooling chamber; 9. a water inlet pipe; 10. a water outlet pipe; 11. cold water enters the pipe; 12. a hot water outlet pipe; 13. a flexible connection assembly; 14. a heat dissipation copper pipe; 15. a heat radiation fan; 16. a heat conductive fin; 17. a bellows; 18. a first seal ring; 19. a second seal ring; 20. a first clamp; 21. a second clamp; 22. a connecting plate; 23. a support plate; 24. a connecting through hole; 25. a connecting bolt; 26. a connecting nut; 27. a support screw; 28. supporting the through hole; 29. a support nut; 30. a protective shell; 31. an air guide through hole; 32. a dust screen; 33. a water delivery pump.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, in order to disclose a diesel generator set with water cooling of the present invention, the diesel generator set includes a base 1, a diesel engine 2 and a generator 3, wherein the diesel engine 2 and the engine are both connected to the base 1 through bolts; the base 1 is provided with a cavity which can be used as an oil storage cavity. Be provided with water cooling module 4 and radiator unit 5 on the base 1, water cooling module 4 is used for taking away the heat on the diesel engine 2, and radiator unit 5 is arranged in giving off the air with the heat that water cooling module 4 absorbed more fast to better the high temperature of having avoided diesel engine 2.
Referring to fig. 2, water cooling unit 4 includes installing support 6 and heat collecting water pipe 7, and installing support 6 is "U" shape setting, and heat collecting water pipe 7 is the setting of coiled pipe, and the welding of installing support 6 has heat conduction fin 16 in the both sides of 7 length direction of heat collecting water pipe, the welding on installing support 6, and heat conduction fin 16 sets up along the horizontal direction, and heat conduction fin 16 evenly is provided with a plurality ofly along vertical direction, and heat collecting water pipe 7 runs through heat conduction fin 16 and sets up.
Referring to fig. 3, a connecting plate 22 is arranged on the base 1, the connecting plate 22 is arranged along the horizontal direction, a supporting plate 23 is welded on the connecting plate 22, and the supporting plate 23 is arranged along the vertical direction; the connecting plate 22 is provided with a strip-shaped connecting through hole 24, the length direction of the connecting through hole 24 is arranged along the length direction of the connecting plate 22, the connecting through holes 24 are arranged in parallel, a connecting bolt 25 is welded on the base 1, the connecting bolt 25 penetrates through the connecting through hole 24, a connecting nut 26 is in threaded fit on the connecting bolt 25, and the connecting plate 22 can be locked on the base 1 by screwing the connecting nut 26; the welding has supporting screw 27 on the backup pad 23, and supporting screw 27's axis sets up along the horizontal direction, offers the support through-hole 28 that supplies supporting screw 27 to pass on the installing support 6, and supporting through-hole 28 is provided with a plurality ofly along vertical direction, and screw-thread fit has support nut 29 on the supporting screw 27, can lock backup pad 23 on installing support 6 through screwing up support nut 29.
Referring to fig. 1, a cooling cavity through which cooling water passes is formed in a diesel engine 2, and a cold water inlet pipe 11 and a hot water outlet pipe 12 communicated with the cooling cavity are formed in the diesel engine 2; the two ends of the heat collecting water pipe 7 are respectively provided with a water inlet pipe 9 and a water outlet pipe 10 which are communicated with the heat collecting water pipe 7, the water outlet pipe 10 is communicated with a water delivery pump 33, a flexible connecting component 13 is arranged between the water outlet pipe 10 and the cold water inlet pipe 11, and the flexible connecting component 13 is used for flexibly communicating the water outlet pipe 10 and the cold water inlet pipe 11.
Referring to fig. 4, the flexible connection assembly 13 includes a corrugated pipe 17, a first sealing ring 18, a second sealing ring 19, a first clamp 20 and a second clamp 21, the first sealing ring 18 and the second sealing ring 19 are made of rubber, the first sealing ring 18 is sleeved on the outer wall of the water outlet pipe 10, the second sealing ring 19 is sleeved on the outer side wall of the cold water inlet pipe 11, the first clamp 20 is arranged at the position where the corrugated pipe 17 is located at the first sealing ring 18, and the second clamp 21 is arranged at the position where the corrugated pipe 17 displaces the second sealing ring 19; the inlet pipe 9 and the hot water outlet pipe 12 are also communicated through a flexible connecting component 13.
Referring to fig. 1 and 2, the heat dissipation assembly 5 includes a heat dissipation copper pipe 14 and a heat dissipation fan 15, the heat dissipation copper pipe 14 is welded on one side of the mounting bracket 6 far away from the diesel engine 2, and the heat dissipation fan 15 is connected with a main shaft of the diesel engine 2; the heat dissipation copper pipes 14 are arranged in a coil shape, three rows of the heat dissipation copper pipes 14 are arranged along the axial direction of the main shaft of the diesel engine 2, and heat dissipation gaps are formed among the three rows of the heat dissipation copper pipes 14 and enable heat to be better dissipated; one side bolted connection that diesel engine 2 was kept away from to installing support 6 has dust screen 32, and dust screen 32 can be better block some debris, avoids heat dissipation copper pipe 14 to be covered, has guaranteed that heat dissipation copper pipe 14 can be stable dispels the heat.
Referring to fig. 1 and 2, one side bolted connection that installing support 6 is close to diesel generator 3 has protecting crust 30, and protecting crust 30 covers radiator fan 15 and establishes wherein, sets up the air guide through-hole 31 that supplies the air current to pass through on protecting crust 30, and protecting crust 30 can be better avoid the staff to touch radiator fan 15 to avoid radiator fan 15 to cause bodily injury to the staff, guaranteed radiator fan 15's steady operation.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A diesel generator set with water cooling function comprises a base (1), a diesel engine (2) and a generator (3), wherein the diesel engine (2) and the generator (3) are arranged on the base (1);
the method is characterized in that: the base (1) is provided with a water cooling component (4) for taking away heat on the diesel engine (2) and a heat dissipation component (5) for dissipating the heat in the water cooling component (4);
the water cooling assembly (4) comprises a mounting bracket (6) detachably connected with the base (1) and a heat collecting water pipe (7) connected with the mounting bracket (6), and a cooling cavity for containing cooling water is arranged on the diesel engine (2); a water inlet pipe (9) is arranged at one end of the heat collecting water pipe (7), a water outlet pipe (10) is arranged at the other end of the heat collecting water pipe, and a cold water inlet pipe (11) communicated with the water outlet pipe (10) and a hot water outlet pipe (12) communicated with the water inlet pipe (9) are arranged on the cooling cavity;
flexible connecting components (13) are respectively arranged between the water outlet pipe (10) and the cold water inlet pipe (11) and between the water inlet pipe (9) and the hot water outlet pipe (12), and a water delivery pump (33) is communicated with the water outlet pipe (10);
the heat dissipation assembly (5) comprises a heat dissipation copper pipe (14) arranged on the mounting support (6) and a heat dissipation fan (15) connected with a main shaft of the diesel engine (2), and the heat collection water pipe (7) is arranged between the heat dissipation fan (15) and the heat dissipation copper pipe (14).
2. The diesel generator set with water cooling and heat dissipation function of claim 1, wherein: a plurality of heat conduction fins (16) are arranged on the mounting bracket (6), and the heat conduction fins (16) are arranged along the vertical direction; the heat collecting water pipe (7) is arranged in a coiled pipe mode, and the heat collecting water pipe (7) penetrates through the heat conducting fins (16).
3. The diesel generator set with water cooling and heat dissipation function of claim 1, wherein: flexible connection subassembly (13) include bellows (17), first sealing ring (18), second sealing ring (19) and first clamp (20) and second clamp (21), first sealing ring (18) cover is established on outlet pipe (10), second sealing ring (19) cover is established on cold water income pipe (11), bellows (17) both ends are established respectively and are established on first sealing ring (18) and second sealing ring (19), first clamp (20) and second clamp (21) are established respectively and are located first sealing ring (18) and second sealing ring (19) department at bellows (17).
4. The diesel generator set with water cooling and heat dissipation function of claim 1, wherein: a connecting plate (22) which is horizontally arranged is arranged on the base (1), and a supporting plate (23) which is connected with the mounting bracket (6) is arranged on the connecting plate (22) along the vertical direction; the connecting plate (22) is provided with a long-strip-shaped connecting through hole (24), the base (1) is provided with a connecting bolt (25) penetrating through the connecting through hole (24), and the connecting bolt (25) is in threaded fit with a connecting nut (26).
5. The diesel generator set with water cooling and heat dissipation function of claim 4, wherein the diesel generator set with water cooling and heat dissipation function comprises: be provided with supporting screw rod (27) on backup pad (23), be equipped with support through-hole (28) that supply supporting screw rod (27) to pass on installing support (6), support through-hole (28) are provided with a plurality ofly along vertical direction, screw-thread fit has support nut (29) on supporting screw rod (27).
6. The diesel generator set with water cooling and heat dissipation function of claim 1, wherein: the mounting bracket (6) is provided with a protective shell (30) used for covering the cooling fan (15) therein, and the protective shell (30) is provided with an air guide through hole (31) for air flow to pass through.
7. The diesel generator set with water cooling and heat dissipation function of claim 1, wherein: and a dust screen (32) is arranged on one side of the mounting bracket (6) far away from the diesel engine (2).
8. The diesel generator set with water cooling and heat dissipation function of claim 1, wherein: the heat dissipation copper pipes (14) are arranged in a coiled pipe mode, multiple rows of heat dissipation copper pipes (14) are arranged in the axis direction of a main shaft of the diesel engine (2), and heat dissipation gaps are formed among the multiple rows of heat dissipation copper pipes (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020102281.2U CN211474255U (en) | 2020-01-16 | 2020-01-16 | Diesel generating set with water cooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020102281.2U CN211474255U (en) | 2020-01-16 | 2020-01-16 | Diesel generating set with water cooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211474255U true CN211474255U (en) | 2020-09-11 |
Family
ID=72372238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020102281.2U Expired - Fee Related CN211474255U (en) | 2020-01-16 | 2020-01-16 | Diesel generating set with water cooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211474255U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367766A (en) * | 2022-01-14 | 2022-04-19 | 深圳市镱豪金属有限公司 | Cooling device for forming soldering tin bar |
| CN116877260A (en) * | 2023-09-06 | 2023-10-13 | 上海富渥机械工程技术江阴制造有限公司 | Mining vehicle engine cooling system |
-
2020
- 2020-01-16 CN CN202020102281.2U patent/CN211474255U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114367766A (en) * | 2022-01-14 | 2022-04-19 | 深圳市镱豪金属有限公司 | Cooling device for forming soldering tin bar |
| CN116877260A (en) * | 2023-09-06 | 2023-10-13 | 上海富渥机械工程技术江阴制造有限公司 | Mining vehicle engine cooling system |
| CN116877260B (en) * | 2023-09-06 | 2023-12-19 | 上海富渥机械工程技术江阴制造有限公司 | Mining vehicle engine cooling system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200911 |
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| CF01 | Termination of patent right due to non-payment of annual fee |