CN205078327U - High -speed boat engine cooling system - Google Patents
High -speed boat engine cooling system Download PDFInfo
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- CN205078327U CN205078327U CN201520875857.8U CN201520875857U CN205078327U CN 205078327 U CN205078327 U CN 205078327U CN 201520875857 U CN201520875857 U CN 201520875857U CN 205078327 U CN205078327 U CN 205078327U
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- labyrinth
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Abstract
The utility model discloses a high -speed boat engine cooling system, cooling plate are located between outer panel and the interior plate, be equipped with the cold maze of oil on the face of cooling plate, the cold maze of this oil is including oil cold maze die cavity and the cold heat dissipation muscle of oil, wherein: the cold labyrinth type intracavity of oil is equipped with the cold heat dissipation muscle of oil at least together along its die cavity extending direction, the cold heat dissipation muscle of oil highly be less than the cold maze of oil die cavity height, be equipped with the water -cooling maze on another face of the body of cooling plate, the water -cooling maze includes water -cooling maze die cavity and liquid cooling muscle, and wherein water -cooling labyrinth type intracavity is equipped with one at least liquid cooling muscle along its die cavity extending direction, the starting point of liquid cooling muscle is equipped with the water inlet, and liquid cooling muscle terminal point department is equipped with the delivery port. The utility model discloses mainly be adjusted into present two -sided cooling with the cooling plate by original single face cooling, by freezing water cools off the coolant oil, so more can reduce the temperature of coolant oil to improve the cooling effect of coolant oil to the engine combustion chamber.
Description
Technical field
The utility model belongs to engine of high-speed boat cooling system, particularly relates to a kind of engine of high-speed boat cooling system.
Background technique
Motor is the important component part of high-speed boat, and during its work, firing chamber can produce a large amount of heats.In order to ensure the normal work of motor, on the engine cooling system is installed at present, this cooling system mainly comprises outer panel, the cooling plate of side inner panel and centre is formed, outer panel, side inner panel and cooling plate pass through together with bolts assemblies, and panel is equipped with end cap, during assembling, side inner panel is installed on the engine.At present, cooling plate is provided with oil cooling labyrinth near the plate face of motor side, this oil cooling labyrinth is made up of oil cooling labyrinth die cavity and oil cooling radiating fin, wherein be provided with at least one oil cooling radiating fin along its die cavity bearing of trend in the die cavity of oil cooling labyrinth, the height of this oil cooling radiating fin is consistent with the height of oil cooling labyrinth die cavity.
During engine operation, the cold oil in firing chamber by side inner panel goes out the filler opening that oil column enters oil cooling labyrinth, and along the flowing of oil cooling labyrinth, then flows to the oil return post side inner panel, and then flows to firing chamber from the oil outlet in oil cooling labyrinth.Lubricant oil follows above-mentioned oil circuit in the firing chamber of motor, back and forth flow between side inner panel and the oil cooling labyrinth of cooling plate, this cyclic process is called as Inner eycle, thus by the flowing of cold oil, the heat in firing chamber is taken away, and then cooled engine, cooled by oil cooling radiating fin while deep fat then flows in oil cooling labyrinth.Simultaneously, outer panel is established and is connected to oil intake nozzle and oil outlet, lubricant oil enters the kidney-shaped oil inlet hole on oil inlet hole, cooling plate and the side inner panel outer panel from oil intake nozzle, thus the gear-box of motor is cooled, cooled deep fat flows to the oil outlet on outer panel from the kidney-shaped oil outlet cooling plate and side inner panel, and flow to external refrigeration equipment through oil outlet, thus make cold oil outside cooling equipment, oil intake nozzle, outer panel, side inner panel, between cooling plate and oil outlet, this process is called as outer circulation, and it is mainly used in the gear-box of cooled engine.
In use, we find that existing structure is not good to the cooling effect of engine chamber, so just can not ensure the normal work of motor, thus cause motor to burn out even scuffing of cylinder bore.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of engine of high-speed boat cooling system, for improving the cooling effect to engine chamber.
The technical solution of the utility model is as follows: a kind of engine of high-speed boat cooling system, comprise outer panel (1), side inner panel (2) and cooling plate (3), wherein cooling plate (3) is positioned between outer panel (1) and side inner panel (2), these three blocks of plates by bolts assemblies together, be provided with a trunnion shaft mounting hole in the middle part of this three board respectively, and outer panel (1) be equipped with an end cap for enclosed balance axle mounting hole (4), a plate face of described cooling plate (3) is provided with oil cooling labyrinth (3a), this oil cooling labyrinth comprises oil cooling labyrinth die cavity (3a-1) and oil cooling radiating fin (3a-2), wherein: in described oil cooling labyrinth die cavity (3a-1), be provided with at least one oil cooling radiating fin (3a-2) along its die cavity bearing of trend, and the starting point of oil cooling radiating fin (3a-2) is provided with a filler opening (3a-3), this oil cooling radiating fin destination county is provided with an oil outlet (3a-4), and filler opening (3a-3) and oil outlet (3a-4) are all located in oil cooling labyrinth die cavity (3a-1), the inner side surface of described side inner panel (2) be provided with a hollow oil-feed post (2a) and hollow go out oil column (2b), its hollow core oil-feed post (2a) is communicated with described oil outlet (3a-4), hollow go out oil column (2b) be communicated with described filler opening (3a-3), it is characterized in that: lower than oil cooling labyrinth die cavity (3a-1) highly, and the height difference between oil cooling radiating fin (3a-2) end face and oil cooling labyrinth die cavity (3a-1) end face is 5.5-6.5mm to the height of described oil cooling radiating fin (3a-2),
Another plate face of the body of described cooling plate (3) is provided with water-cooled labyrinth (3b), this water-cooled labyrinth comprises water-cooled labyrinth die cavity (3b-1) and water-cooling muscle (3b-2), wherein: be provided with at least one water-cooling muscle (3b-2) along its die cavity bearing of trend in described water-cooled labyrinth die cavity (3b-1), and the height in water-cooled labyrinth die cavity (3b-1) is consistent with the height of water-cooling muscle (3b-2); The starting point of described water-cooling muscle (3b-2) is provided with a water intake (3b-3), this water-cooling muscle destination county is provided with a water outlet (3b-4), and water intake (3b-3) and water outlet (3b-4) are all located in water-cooled labyrinth die cavity (3b-1);
A water inlet tap (5) and water outlet (6) is connected in mounting hole in described outer panel (1) outer plate surface, wherein water inlet tap (5) is communicated with described water intake (3b-3), and water outlet (6) is communicated with described water outlet (3b-4).
The utility model is on the basis of existing structure, the height of described oil cooling radiating fin (3a-2) is designed to lower than oil cooling labyrinth die cavity (3a-1) highly, and the height difference between oil cooling radiating fin (3a-2) end face and oil cooling labyrinth die cavity (3a-1) end face is 5.5-6.5mm;
Meanwhile, another plate face of the body of described cooling plate (3) is set up a water-cooled labyrinth (3b), this water-cooled labyrinth comprises water-cooled labyrinth die cavity (3b-1) and water-cooling muscle (3b-2), wherein be provided with at least one water-cooling muscle (3b-2) along its die cavity bearing of trend in water-cooled labyrinth die cavity (3b-1), and the height in water-cooled labyrinth die cavity (3b-1) is consistent with the height of water-cooling muscle (3b-2); The starting point of described water-cooling muscle (3b-2) is provided with a water intake (3b-3), this water-cooling muscle destination county is provided with a water outlet (3b-4), and water intake (3b-3) and water outlet (3b-4) are all located in water-cooled labyrinth die cavity (3b-1).Correspondingly, a water inlet tap (5) and water outlet (6) is connected in mounting hole in outer panel (1) outer plate surface, wherein water inlet tap (5) is communicated with described water intake (3b-3), and water outlet (6) is communicated with described water outlet (3b-4).
During utility model works, circulate between the water pump that cooling water arranges in water inlet tap (5), water intake (3b-3), water-cooled labyrinth die cavity (3b-1), water outlet (3b-4), water outlet (6) and outside and cooling unit.Further, separated by water-cooling muscle (3b-2) when cooling water flows in water-cooled labyrinth die cavity (3b-1).Meanwhile, the cold oil of cooled engine firing chamber on side inner panel (2) hollow go out hollow oil-feed post (2a) on the filler opening (3a-3) of oil column (2b), cooling plate (3), oil cooling labyrinth (3a), oil outlet (3a-4), side inner panel (2) and circulating between engine combustion.And, cold oil is separated by oil cooling radiating fin (3a-2) when flowing in oil cooling labyrinth (3a), and a part of lubricant oil can flow in the region between oil cooling radiating fin (3a-2) end face and cold labyrinth die cavity (3a-1) end face fast.
In said structure, the utility model reduces the height of oil cooling radiating fin (3a-2), and the height difference between oil cooling radiating fin (3a-2) end face and oil cooling labyrinth die cavity (3a-1) end face is 5.5-6.5mm, can ensure that cold oil and oil cooling radiating fin (3a-2) have fully enough area of contact like this, thus allow cold oil cool better, cold oil can be allowed again to pass through from the region between oil cooling radiating fin (3a-2) end face and oil cooling labyrinth die cavity (3a-1) end face, thus improve the mobility of cold oil, so also can accelerate cold oil cooling, these two designs combine and comprehensively improve the cooling effect of cold oil to engine chamber.
Even more important design is, another plate face of cooling plate (3) body has been set up a water-cooled labyrinth (3b), present two-sided cooling is cooled to like this with regard to becoming original one side, this seems simple change inventor and has but paid creative work, and it is also the core of this case.During work, water-cooled labyrinth (3b) forces cooling cold oil across the body of cooling plate (3), thus reduces the temperature of cold oil, thus can improve the cooling effect of cold oil to engine chamber.In the present case, water-cooled labyrinth (3b) and oil cooling radiating fin (3a-2) be ingenious, organically cooperatively interact, and more effectively can improve the cooling effect of cold oil to engine chamber.
As important preferred, the height difference between described oil cooling radiating fin (3a-2) end face and oil cooling labyrinth die cavity (3a-1) end face is 5.9-6.1mm.Adopt above structural design, so just can take into account the area of contact of cold oil and oil cooling radiating fin (3a-2) and the mobility of cold oil, thus comprehensively improve the cooling effect to motor.
As decision design, in described oil cooling labyrinth die cavity (3a-1), be provided with three roads oil cooling radiating fin (3a-2), and be provided with three roads water-cooling muscle (3b-2) in described water-cooled labyrinth die cavity (3b-1).
Adopt above structural design, the number of described oil cooling radiating fin (3a-2) is moderate.If the number of oil cooling radiating fin (3a-2) is too much, although the area of contact of cold oil and oil cooling radiating fin (3a-2) can be increased, the mobility of cold oil can be reduced, will cooling effect be worsened like this; If the number of oil cooling radiating fin (3a-2) is very few, although the mobility of cold oil can be increased, but the area of contact of cold oil and oil cooling radiating fin (3a-2) can be reduced again, so equally also cooling effect can be worsened, so the number of oil cooling radiating fin (3a-2) needs special consideration.
Meanwhile, the number of described water-cooling muscle (3b-2) is moderate.If the number of water-cooling muscle (3b-2) is too much, although the area of contact of cooling water and water-cooling muscle (3b-2) can be increased, improve the cooling effect of cooling water to cold oil, but the mobility of cooling water can be reduced, the cooling effect of cooling water to cold oil will be worsened like this; If the number of water-cooling muscle (3b-2) is very few, although the mobility of cooling water can be increased, but the area of contact of cooling water and water-cooling muscle (3b-2) can be reduced again, so equally also can worsen the cooling effect of cooling water to cold oil, so the number of water-cooling muscle (3b-2) needs special consideration.Meanwhile, also need the matching problem considering oil cooling radiating fin (3a-2) and water-cooling muscle (3b-2), thus allow cooling water cool cold oil better, thus be convenient to cold oil cooled engine firing chamber.
In the present case, an oil intake nozzle (7) and oil outlet (8) are housed in two mounting holes in described outer panel (1) outer plate surface respectively, wherein oil intake nozzle (7) is communicated with the kidney-shaped oil inlet hole (J) on cooling plate (3) body with side inner panel (2), and described oil outlet (8) is communicated with the kidney-shaped oil outlet (C) on cooling plate (3) body with side inner panel (2).
Adopt said structure, oil intake nozzle (7) can be passed through from external world's input lubricant oil, this lubricant oil is through after the kidney-shaped oil inlet hole (J) on side inner panel (2) and cooling plate (3) body, enter engine gearbox, and flow to oil outlet (8) from the kidney-shaped oil outlet (C) side inner panel (2) and cooling plate (3) body, finally flow to extraneous cooling equipment, this cyclic process is called outer circulation, and its effect is cooled engine gear-box.
For the ease of manufacturing, described oil cooling labyrinth (3a) and water-cooled labyrinth (3b) are monolithic construction with the body of cooling plate (3).
Beneficial effect: cooling plate is mainly cooled by original one side and is adjusted to present two-sided cooling by the utility model, this cooling plate comprehensively have employed the design reducing oil cooling radiating fin height and increase water-cooled labyrinth, wherein oil cooling radiating fin height can ensure the area of contact of cold oil and oil cooling radiating fin, the mobility of cold oil can be ensured again, thus reduce the temperature of cold oil; Meanwhile, this cooling system cools cold oil by cooling water, so more can reduce the temperature of cold oil, thus improves the cooling effect of cold oil to engine chamber, and the utility model structure is simple, easy to implement.
Accompanying drawing explanation
Fig. 1 is assembling schematic diagram of the present utility model.
Fig. 2 is the explosive view of Fig. 1.
Fig. 3 is the schematic diagram of cooling plate in Fig. 1.
Fig. 4 is the schematic diagram in another plate face of Fig. 3.
Fig. 5 is that cooling water flow of the present utility model is to schematic diagram.
Fig. 6 is that cold oil of the present utility model flows to schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail:
As Fig. 1--shown in 6, a kind of engine of high-speed boat cooling system, is formed primarily of outer panel 1, side inner panel 2, cooling plate 3, end cap 4, water inlet tap 5 and water outlet 6.Wherein, cooling plate 3 is between outer panel 1 and side inner panel 2, and these three blocks of plates by bolts assemblies together, are provided with a trunnion shaft mounting hole respectively, outer panel 1 are equipped with an end cap 4 for enclosed balance axle mounting hole in the middle part of this three board.A plate face of cooling plate 3 is provided with oil cooling labyrinth 3a, and this oil cooling labyrinth 3a comprises oil cooling labyrinth die cavity 3a-1 and oil cooling radiating fin 3a-2.Wherein: the die cavity bearing of trend along oil cooling labyrinth die cavity 3a-1 in the die cavity 3a-1 of oil cooling labyrinth is provided with at least one oil cooling radiating fin 3a-2, and the number of oil cooling radiating fin 3a-2 is three roads in the present case.The starting point of oil cooling radiating fin 3a-2 is provided with a filler opening 3a-3, and this oil cooling radiating fin destination county is provided with an oil outlet 3a-4, and filler opening 3a-3 and oil outlet 3a-4 is all located in the die cavity 3a-1 of oil cooling labyrinth.The height of oil cooling radiating fin 3a-2 is lower than oil cooling labyrinth die cavity 3a-1 height, and the height difference between oil cooling radiating fin 3a-2 end face and oil cooling labyrinth die cavity 3a-1 end face is 5.5-6.5mm, and can more preferably 5.9-6.1mm.It should be noted that, the shape of oil cooling labyrinth die cavity 3a-1 is that boundary dimension carrys out respective design according to product structure, the trend of oil cooling radiating fin 3a-2 is determined according to oil cooling labyrinth die cavity 3a-1, and it determines that mode is routine techniques means to those skilled in the art.Further, to the skilled in the art conventional design is belonged to oil outlet 3a-4 in filler opening 3a-3.
The inner side surface of side inner panel 2 be provided with a hollow oil-feed post 2a and hollow go out oil column 2b, its hollow core oil-feed post 2a is communicated with oil outlet 3a-4, hollow go out oil column 2b be communicated with filler opening 3a-3.Further, the outer wall of side inner panel 2 is also provided with an external oil intake nozzle 2c, the effect of this external oil intake nozzle 2c is that inside side plate 2 and engine combustion indoor supplement cold oil.
As Fig. 1--shown in 6, another plate face of the body of cooling plate 3 is provided with water-cooled labyrinth 3b, this water-cooled labyrinth 3b comprises water-cooled labyrinth die cavity 3b-1 and water-cooling muscle 3b-2-2, wherein: be provided with at least one water-cooling muscle 3b-2-2 along its die cavity bearing of trend in the die cavity 3b-1 of water-cooled labyrinth, the number of water-cooling muscle 3b-2-2 is three roads in the present case.The height of water-cooled labyrinth die cavity 3b-1 is consistent with the height of water-cooling muscle 3b-2-2, and the body of oil cooling labyrinth 3a and water-cooled labyrinth 3b and cooling plate 3 is monolithic construction, and by casting integrated shaping.The starting point of water-cooling muscle 3b-2-2 is provided with a water intake 3b-3, and this water-cooling muscle 3b-2-2 destination county is provided with a water outlet 3b-4, and water intake 3b-3 and water outlet 3b-4 is all located in the die cavity 3b-1 of water-cooled labyrinth.It should be noted that, the shape of water-cooled labyrinth die cavity 3b-1 is that boundary dimension carrys out respective design according to product structure, the trend of water-cooling muscle 3b-2 is determined according to water-cooled labyrinth die cavity 3b-1, and it determines that mode is routine techniques means to those skilled in the art.Further, to the skilled in the art water intake 3b-3 and water outlet 3b-4 belongs to conventional design.
Be connected to a water inlet tap 5 and water outlet 6 in mounting hole in outer panel 1 outer plate surface, wherein water inlet tap 5 is communicated with water intake 3b-3, and water outlet 6 is communicated with water outlet 3b-4.Simultaneously, in two mounting holes in outer panel 1 outer plate surface, an oil intake nozzle 7 and oil outlet 8 are housed respectively, wherein oil intake nozzle 7 is communicated with the kidney-shaped oil inlet hole J on cooling plate 3 body with side inner panel 2, and oil outlet 8 is communicated with the kidney-shaped oil outlet C on cooling plate 3 body with side inner panel 2.All the other structures of the present utility model are identical with prior art, do not repeat at this.
During assembling, side inner panel 2 is installed on the engine by bolt, the inner side surface of this side inner panel 2 is near engine chamber R and gear-box L, and adopt oil pipe oil intake nozzle 7 and oil outlet 8 to be connect, and on oil pipe, be in series with oil pump and cooling equipment, and water inlet tap 5 and water outlet 6 are connect by water pipe, and on water pipe, be in series with water pump and cooling unit.
As shown in Figure 5, circulate between the water pump that arranges in water inlet tap 5, water intake 3b-3, water-cooled labyrinth die cavity 3b-1, water outlet 3b-4, water outlet 6 and outside of cooling water and cooling unit.Further, separated by water-cooling muscle 3b-2 when cooling water flows in the die cavity 3b-1 of water-cooled labyrinth.
As shown in Figure 6, the cold oil of cooled engine firing chamber on side inner panel 2 hollow go out hollow oil-feed post 2a on the filler opening 3a-3 of oil column 2b, cooling plate 3, oil cooling labyrinth 3a, oil outlet 3a-4, side inner panel 2 and circulating between engine combustion, this cyclic process is called Inner eycle, and its effect is the firing chamber R of cooled engine.Further, separated by oil cooling radiating fin 3a-2 when cold oil flows in the 3a of oil cooling labyrinth, and a part of lubricant oil can flow in the region between oil cooling radiating fin 3a-2 end face and cold labyrinth die cavity 3a-1 end face fast.
Circulation process between the oil pump in the kidney-shaped oil outlet C on the kidney-shaped oil inlet hole J of lubricant oil on oil intake nozzle 7, side inner panel 2 and cooling plate 3 body of cooled engine gear-box, engine gearbox, side inner panel 2 and cooling plate 3 body, oil outlet 8 and the external world and cooling equipment, this process is called outer circulation, and its effect is cooled engine gear-box L.
The foregoing is only preferred embodiment of the present utility model; it is not restriction with the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. an engine of high-speed boat cooling system, comprise outer panel (1), side inner panel (2) and cooling plate (3), wherein cooling plate (3) is positioned between outer panel (1) and side inner panel (2), these three blocks of plates by bolts assemblies together, be provided with a trunnion shaft mounting hole in the middle part of this three board respectively, and outer panel (1) be equipped with an end cap for enclosed balance axle mounting hole (4), a plate face of described cooling plate (3) is provided with oil cooling labyrinth (3a), this oil cooling labyrinth comprises oil cooling labyrinth die cavity (3a-1) and oil cooling radiating fin (3a-2), wherein: in described oil cooling labyrinth die cavity (3a-1), be provided with at least one oil cooling radiating fin (3a-2) along its die cavity bearing of trend, and the starting point of oil cooling radiating fin (3a-2) is provided with a filler opening (3a-3), this oil cooling radiating fin destination county is provided with an oil outlet (3a-4), and filler opening (3a-3) and oil outlet (3a-4) are all located in oil cooling labyrinth die cavity (3a-1), the inner side surface of described side inner panel (2) be provided with a hollow oil-feed post (2a) and hollow go out oil column (2b), its hollow core oil-feed post (2a) is communicated with described oil outlet (3a-4), hollow go out oil column (2b) be communicated with described filler opening (3a-3), it is characterized in that: lower than oil cooling labyrinth die cavity (3a-1) highly, and the height difference between oil cooling radiating fin (3a-2) end face and oil cooling labyrinth die cavity (3a-1) end face is 5.5-6.5mm to the height of described oil cooling radiating fin (3a-2),
Another plate face of the body of described cooling plate (3) is provided with water-cooled labyrinth (3b), this water-cooled labyrinth comprises water-cooled labyrinth die cavity (3b-1) and water-cooling muscle (3b-2), wherein: be provided with at least one water-cooling muscle (3b-2) along its die cavity bearing of trend in described water-cooled labyrinth die cavity (3b-1), and the height in water-cooled labyrinth die cavity (3b-1) is consistent with the height of water-cooling muscle (3b-2); The starting point of described water-cooling muscle (3b-2) is provided with a water intake (3b-3), this water-cooling muscle destination county is provided with a water outlet (3b-4), and water intake (3b-3) and water outlet (3b-4) are all located in water-cooled labyrinth die cavity (3b-1);
A water inlet tap (5) and water outlet (6) is connected in mounting hole in described outer panel (1) outer plate surface, wherein water inlet tap (5) is communicated with described water intake (3b-3), and water outlet (6) is communicated with described water outlet (3b-4).
2. engine of high-speed boat cooling system according to claim 1, is characterized in that: the height difference between described oil cooling radiating fin (3a-2) end face and oil cooling labyrinth die cavity (3a-1) end face is 5.9-6.1mm.
3. engine of high-speed boat cooling system according to claim 1, it is characterized in that: in described oil cooling labyrinth die cavity (3a-1), be provided with three roads oil cooling radiating fin (3a-2), and be provided with three roads water-cooling muscle (3b-2) in described water-cooled labyrinth die cavity (3b-1).
4. engine of high-speed boat cooling system according to claim 1, it is characterized in that: an oil intake nozzle (7) and oil outlet (8) are housed in two mounting holes in described outer panel (1) outer plate surface respectively, wherein oil intake nozzle (7) is communicated with the kidney-shaped oil inlet hole (J) on cooling plate (3) body with side inner panel (2), and described oil outlet (8) is communicated with the kidney-shaped oil outlet (C) on cooling plate (3) body with side inner panel (2).
5. engine of high-speed boat cooling system according to claim 1, is characterized in that: described oil cooling labyrinth (3a) and water-cooled labyrinth (3b) are monolithic construction with the body of cooling plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875857.8U CN205078327U (en) | 2015-11-05 | 2015-11-05 | High -speed boat engine cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520875857.8U CN205078327U (en) | 2015-11-05 | 2015-11-05 | High -speed boat engine cooling system |
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| Publication Number | Publication Date |
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| CN205078327U true CN205078327U (en) | 2016-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520875857.8U Withdrawn - After Issue CN205078327U (en) | 2015-11-05 | 2015-11-05 | High -speed boat engine cooling system |
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| CN (1) | CN205078327U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240100A (en) * | 2015-11-05 | 2016-01-13 | 重庆永发工业有限公司 | Engine cooling system of high-speed boat |
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2015
- 2015-11-05 CN CN201520875857.8U patent/CN205078327U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105240100A (en) * | 2015-11-05 | 2016-01-13 | 重庆永发工业有限公司 | Engine cooling system of high-speed boat |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160309 Effective date of abandoning: 20170808 |
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| AV01 | Patent right actively abandoned |