CN201539300U - Vertical engine cooling structure - Google Patents
Vertical engine cooling structure Download PDFInfo
- Publication number
- CN201539300U CN201539300U CN2009202700671U CN200920270067U CN201539300U CN 201539300 U CN201539300 U CN 201539300U CN 2009202700671 U CN2009202700671 U CN 2009202700671U CN 200920270067 U CN200920270067 U CN 200920270067U CN 201539300 U CN201539300 U CN 201539300U
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- vertical engine
- cooling construction
- cylinder head
- cylinder
- engine
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Abstract
A vertical engine cooling structure is arranged in a vertical engine, the vertical engine includes a cylinder head and a cylinder block, one sides of the cylinder head and the cylinder block are provided with drive chambers respectively which are communicated to a crankshaft case, the cooling structure includes an oil storing tank and at least one cooling passage way, the oil storing tank is arranged in the cylinder head for temporally accumulating the lubricating oil, the cooling passage way is arranged in a connection wall between a piston chamber and a drive chamber for draining the lubricating oil in the oil storing tank downward to the crankshaft case to reduce the high temperature generated by the operation of the piston indoor part, further, the operating efficiency and the durable degree of the engine can be increased.
Description
[technical field]
The utility model is the cooling construction about a kind of vertical engine, particularly about a kind of coolant path that utilizes cooling construction with the vertical engine of cooling engine temperature is crossed in the connecting wall between piston chamber and the drive chamber in the lubricant oil drainage.
[background technique]
Existing four-journey engine because of piston back and forth start at a high speed, can make cylinder head and cylinder blocks produce high temperature.In order to make the dissipation of high temperature energy to reduce the distortion of thermal stress, existing four-journey engine can be convexly equipped with many radiating fins in cylinder head and cylinder blocks outside, so that its high temperature is dispersed via the air cooling mode; In addition, present existing engine still has: make the design of lubricant oil (also being called machine oil) along the internal face backflow of chain chamber in the chain chamber of engine.
Please refer to shown in Figure 1, a kind of sectional view of existing vertical engine structure, wherein this vertical engine comprises a cylinder head 81, a cylinder blocks 82 and is located at a crankcase 90 of these cylinder blocks 82 belows.Be provided with one group of intake and exhaust channel (not illustrating) and one group of intake and exhaust valve (not illustrating) in this cylinder head 81, also comprise one group of camshaft 83 to drive this intake and exhaust valve in addition.This cylinder blocks 82 is provided with a piston chamber (not illustrating) can be reciprocating for a piston 84.Be provided with a bent axle 91 and a connecting rod 85 in this crankcase 90, this connecting rod 85 is in order to connect this bent axle 91 and this piston 84.One side of this cylinder head 81 and cylinder blocks 82 is provided with a chain chamber 86 can be communicated with this cylinder head 81, this cylinder blocks 82 and this crankcase 90, be provided with a chain 87 in this chain chamber 86, driving sprocket wheel 911 on the bent axle 91 in this this crankcase 90 of chain 87 connections and the timing sprocket 831 on the camshaft 83 in this cylinder head 81, the camshaft 83 that is sent to this cylinder head 81 with the power with these crankcase 90 inside crankshafts 91 is to drive the intake and exhaust valve.
This vertical engine structure is to be subjected in this crankcase 90 lubricant oil of oil pipe (not illustrating) transporting low temperature of pump pressurization to this cylinder head 81 earlier, make on its timing sprocket that is sprayed on this camshaft 83 831 and the valve mechanism (not illustrating) to be lubricated, lubricant oil faces down along the peripheral wall of this chain chamber 86 and is back in this crankcase 90 then.
Yet above-mentioned existing vertical engine is configured in still has following problems in the actual use, and for example: the cylinder head and the cylinder blocks outside of existing engine are convexly equipped with many radiating fins, are dispersed via the air cooling mode with the high temperature with engine.Yet, because this piston chamber (not illustrating) separates because of being subjected to this chain chamber 86 with the engine most external with the wall that is connected of chain chamber 86, therefore can't dispel the heat by the radiating fin of outside, so make the temperature distributing disproportionation of piston chamber easily, and the risk that can cause localized heat stress to concentrate and distortion be arranged and break, and engine performance and durability are affected.
Die, be necessary to provide a kind of cooling construction of vertical engine, to solve the existing in prior technology problem.
[model utility content]
Main purpose of the present utility model is to provide a kind of cooling construction of vertical engine, it is by oil storage tank being located in the cylinder head in order to temporarily to accumulate lubricant oil, and in the connecting wall between piston chamber and drive chamber coolant path is set, so that the downward drainage of lubricant oil that this oil storage tank is interior is to crankcase, reducing the high temperature that the piston chamber inner working produces, and then promote engine running usefulness and durability by the cooling connecting wall.
Secondary objective of the present utility model is to provide a kind of cooling construction of vertical engine, several coolant paths wherein are set in the connecting wall, each coolant path is to comprise the interval passage that the sluice way and of being located at cylinder head is located at cylinder blocks, and be provided with distributing chute between oil storage tank and the sluice way, its shape is shape wide at the top and narrow at the bottom, and the bottom is an arc, so that more lubricant oil by drainage near the interval passage of connecting wall middle position, taking away the temperature that middle position is difficult for heat radiation, and then increase the effect of cooling.
In order to achieve the above object, the utility model provides a kind of cooling construction of vertical engine, it is to be located within the vertical engine, this vertical engine comprises a cylinder head and a cylinder blocks, and a side of this cylinder head and cylinder blocks is provided with a drive chamber can be communicated to a crankcase, this cooling construction comprises an oil storage tank and at least one coolant path, this oil storage tank is located in this cylinder head in order to temporarily to accumulate lubricant oil, this coolant path is located in the connecting wall between a piston chamber and this drive chamber, in order to the downward drainage of the lubricant oil in this oil storage tank to this crankcase.
From the above, the utility model provides a kind of cooling construction of vertical engine, and it is to be located within the vertical engine, and this vertical engine comprises a cylinder blocks, and is located at the crankcase that the cylinder head and of this cylinder blocks top is located at this cylinder blocks below; The inside of this cylinder blocks is provided with a piston chamber that allows a piston reciprocates; And a side of this cylinder head and cylinder blocks is provided with a drive chamber that is communicated to this crankcase, be provided with a driving element in this drive chamber, bent axle in this crankcase is by a valve driving member of this this cylinder head of driving element start, and it is characterized in that: this cooling construction comprises:
One oil storage tank is located at this cylinder head top, temporarily to accumulate the lubricant oil in this crankcase institute pumping; And
At least one coolant path, be located in the connecting wall between this piston chamber and this drive chamber, respectively this coolant path comprises the interval passage that the sluice way and of being located at cylinder head is located at cylinder blocks, the sluice way of this coolant path and interval passage in order to the downward drainage of the lubricant oil in this oil storage tank to this crankcase.
The cooling construction of described vertical engine, this oil storage tank are by two camshaft bearings in this cylinder head and connect two surrounding wall one common peripheral between this two camshafts bearing around forming.
The cooling construction of described vertical engine, the quantity of this coolant path are several.
The cooling construction of described vertical engine, each sluice way of this cylinder head are to be formed between the two guiding walls.
The cooling construction of described vertical engine, the first half of this coolant path are provided with a distributing chute that is connected with this oil storage tank.
The cooling construction of described vertical engine, this distributing chute are to be located at this cylinder head.
The cooling construction of described vertical engine, this distributing chute are to be located at this cylinder blocks.
The cooling construction of described vertical engine, this distributing chute forms shape wide at the top and narrow at the bottom.
The cooling construction of described vertical engine, the bottom of this distributing chute is curved.
The cooling construction of described vertical engine, in this several interval passage, the bore that is positioned at the interval passage of this connecting wall middle position relatively is the bore greater than the interval passage that is positioned at these connecting wall two side positions relatively.
The cooling construction of described vertical engine, this interval passage are formed in the connecting wall scope that the external diameter of a cylinder sleeve of this piston chamber periphery contains.
The cooling construction of described vertical engine, the cylinder axis of this vertical engine are to be one with horizontal vertical line to be not more than 45 angles of spending.
The cooling construction of described vertical engine, this driving element are chain, and this valve driving member is a cam.
The cooling construction of described vertical engine, this valve driving member also comprises rocking arm.
The cooling construction of described vertical engine, this driving element are tappet, and this valve driving member is a upper rocker arm.
As mentioned above, connection wall compared to the cylinder center of the cooling construction of existing vertical engine can't obtain the lubricant oil cooling, make the cylinder temperature skewness, therefore can cause the risk that thermal stress is concentrated and distortion is arranged and break, engine durability and performance will be affected.The cooling construction of vertical engine of the present utility model is by this oil storage tank being located in this cylinder head in order to temporarily to accumulate lubricant oil, and this at least one coolant path is set in the connecting wall between piston chamber and this drive chamber, so that the downward drainage of lubricant oil that this oil storage tank is interior is to this crankcase, reducing the inner high temperature that produces of this piston chamber, and then promote engine running usefulness and durability by cooling off this connecting wall.
[description of drawings]
Fig. 1: the side sectional view of existing vertical engine structure.
Fig. 2: the front section view of the cooling construction of the vertical engine of the utility model preferred embodiment.
Fig. 3 A: the top view of the cylinder head of the utility model preferred embodiment.
Fig. 3 B: the front section view of the cylinder head of the utility model preferred embodiment.
Fig. 4 A: the cut away left side view of the drive chamber of the cylinder head of the utility model preferred embodiment.
Fig. 4 B: the cut away left side view of the oil storage tank of the cylinder head of the utility model preferred embodiment.
Fig. 5 A: the top view of the cylinder blocks of the utility model preferred embodiment.
Fig. 5 B: the cut away left side view of the cylinder blocks of the utility model preferred embodiment.
Fig. 6: the fragmentary sectional elevation view of the cooling construction of the vertical engine of the utility model preferred embodiment.
11 cylinder heads, 111 camshaft bearings
112 surrounding walls, 12 cylinder blocks
121 piston chamber, 122 cylinder head joining holes
123 cylinder sleeves, 13 valve driving members
14 drive chamber, 15 oil storage tanks
16 coolant path 16a sluice ways
18 guiding walls, 20 crankcases
21 bent axles, 211 driving sprocket wheels
30 driving elements, 40 camshafts
41 cams, 42 timing sprockets
81 cylinder heads, 82 cylinder blocks
Sprocket wheel during 83 camshafts 831
84 pistons, 85 connecting rods
86 chain chamber, 87 chains
90 crankcases, 91 bent axles
911 driving sprocket wheel A connecting walls
B connecting wall D span
[embodiment]
For above-mentioned and other purpose of the present utility model, feature, advantage can be become apparent, hereinafter will be especially exemplified by the utility model preferred embodiment, and cooperate appended graphicly, be described in detail below.
Following explanation is graphic with reference to what add, can be in order to the specific embodiment of implementing in order to illustration the utility model.The direction term that the utility model is mentioned, for example " on ", D score, " preceding ", " back ", " interior ", " outward ", " left side ", " right side " etc., only be direction with reference to annexed drawings.Therefore, the direction term of being mentioned in the utility model following examples only is to be used for aid illustration the utility model technology contents, but not is used for limiting the utility model.
Please refer to shown in Figure 2, the front section view of the cooling construction of the vertical engine of its announcement the utility model preferred embodiment, wherein the cooling construction of an engine is to be located within the vertical engine, this vertical engine is four-journey engine normally, it comprises a cylinder head 11, a cylinder blocks 12 and a crankcase 20, this cylinder head 11 is located at the top of this cylinder blocks 12, and this crankcase 20 is located at the below of this cylinder blocks 12.This cylinder head 11 is provided with one group of intake and exhaust channel (indicate), and is mounted on one group of intake and exhaust valve (indicating) and one group of valve driving member 13 on this intake and exhaust channel; This cylinder blocks 12 is provided with and allows the reciprocating piston chamber 121 of a piston (not illustrating), this piston chamber 121 upwards connects a bit of piston chamber section (indicate) of this cylinder head 11, therefore hereinafter the piston chamber 121 of indication also broad sense comprise piston chamber's section of this cylinder head 11.Above-mentioned intake and exhaust channel, intake and exhaust valve and piston are to belong to prior art, so no longer described in detail in this.
Referring again to shown in Figure 2, be provided with the connecting rod (not illustrating) that a bent axle 21 and connects this bent axle 21 and this piston in this crankcase 20, one side of this cylinder head 11 and cylinder blocks 12 is provided with a drive chamber 14 can be communicated with this cylinder head 11, this cylinder blocks 12 and this crankcase 20, be provided with the valve driving member 13 of a driving element 30 these crankcase 20 inside crankshafts 21 in this drive chamber 14 by this this cylinder head 11 of driving element 30 starts, wherein this driving element 30 is not both optional from chain according to the engine specification, tappet or gear, and this bent axle 21 and this valve driving member 13 corresponding dissimilar driving elements 30 and corresponding different structures is arranged.For example, in the embodiment that this driving element 30 is a chain (as Fig. 2), the driving sprocket wheel 211 of the power of bent axle 21 on bent axle 21, timing sprocket 42 on the camshaft 40 in by this chain transmission power to this cylinder head 11, make directly butt valve (indicate) or see through the folding of rocking arm (not illustrating) with control valve of this cam 41, this cam 41 or rocking arm are so-called valve driving member 13 in this embodiment; Perhaps, at this driving element 30 is among another embodiment of a tappet, the bent axle cam (do not illustrate) of the power of bent axle 21 on bent axle 21 replaced a lower shake-changing arm (not illustrating) this tappet of butt again, the butt valve is with the folding of control valve again to these cylinder head 11 interior upper rocker arms (not illustrating) to transmit power by this tappet, and this upper rocker arm is so-called valve driving member 13 in this embodiment.
In addition, under locomotive or automobile normal operating condition, the cylinder axis of the vertical engine of present embodiment is to be folded with one with horizontal vertical line to be not more than 45 angles of spending.Moreover, have a connecting wall A between piston chamber's section of this cylinder head 11 (not indicating) and this drive chamber 14, also have a connecting wall B simultaneously between the piston chamber 121 of this cylinder blocks 12 and this drive chamber 14.This two connecting wall A, B are meant the wall portion of broad sense between this piston chamber 121 and this drive chamber 14 in vertical side sectional view (as shown in Figure 2).
As shown in Figure 2, the cooling construction of vertical engine of the present utility model comprises an oil storage tank 15 and at least one coolant path 16.This oil storage tank 15 is located in this cylinder head 11 in order to temporarily to accumulate the lubricant oil (not illustrating) that is refluxed in these valve driving member 13 backs of selflubricating; This at least one coolant path 16 is located in connecting wall A, the B between this piston chamber 121 and this drive chamber 14, this coolant path 16 in order to the downward drainage of lubricant oil in this oil storage tank 15 to this crankcase 20.
Please refer to shown in Fig. 3 A, Fig. 3 B, Fig. 3 A is the top view of the cylinder head 11 of the utility model preferred embodiment; Fig. 3 B is the front section view of the cylinder head 11 of the utility model preferred embodiment.Shown in Fig. 3 A, Fig. 3 B, this oil storage tank 15 is by two camshaft bearings 111 in this cylinder head 11 and connects 112 one common peripheral of two surrounding walls between this two camshafts bearing around forming, the bearing of the camshaft in this valve driving member 13 of finger that this wherein hereinafter alleged camshaft bearing 111 is a broad sense and the combination of bearing support thereof.Though this oil storage tank 15 that the utility model preferred embodiment discloses is centered on surrounding wall 112 and the storage area that forms by this camshaft bearing 111, the utility model is not limited to this.This oil storage tank 15 also can form by other member, enables to admit to be sprayed on to be lubricated the lubricant oil that the back is flowed down on this valve driving member 13.In addition, the quantity of this at least one coolant path 16 can be several, so as efficient with the downward drainage of lubricant oil in this oil storage tank 15 to this crankcase 20.In the utility model preferred embodiment, this coolant path 16 is preferably 3, and the upper end of each this coolant path 16, that is the part that is positioned at this cylinder head 11 is to be a sluice way 16a.In addition, this coolant path 16 also is provided with a distributing chute 17, and detailed description is hereinafter given in acting on of this distributing chute 17 in addition.
Please refer to shown in Fig. 4 A and Fig. 4 B, Fig. 4 A is the cut away left side view of drive chamber 14 of the cylinder head 11 of the utility model preferred embodiment; Fig. 4 B is the cut away left side view of oil storage tank 15 of the cylinder head 11 of the utility model preferred embodiment.Shown in Fig. 4 A, the connecting wall A of this cylinder head 11 is being to convex with at least one guiding wall 18 towards these drive chamber's 14 1 sides, and it acts on hereinafter explanation in the lump again.
Please more simultaneously with reference to shown in Fig. 3 A, Fig. 3 B, Fig. 4 A and Fig. 4 B, the preferable distributing chute 17 that is provided with between this oil storage tank 15 and this sluice way 16a.This distributing chute 17 forms shape wide at the top and narrow at the bottom, and the bottom of this distributing chute 17 is preferable is an arc so that more lubricant oil by drainage to this sluice way 16a near this connecting wall A middle position.Moreover, this sluice way 16a also can be designed to not be the pattern in full section tunnel according to need, for example in the present embodiment, this sluice way 16a is an open groove shape after passing this connecting wall A, and the sluice way 16a of this cylinder head is separated by several guiding walls 18, and just each sluice way 16a is formed between two guiding walls 18.
Please refer to shown in Fig. 5 A and Fig. 5 B, Fig. 5 A is the top view of the cylinder blocks 12 of the utility model preferred embodiment; Fig. 5 B is the cut away left side view of the cylinder blocks 12 of the utility model preferred embodiment.This cylinder blocks 12 is belows that correspondence is arranged at this cylinder head 11.Shown in Fig. 5 A and Fig. 5 B, the Lower Half of this coolant path 16, that is the part that is positioned at this cylinder blocks 12 is to be an interval passage 16b, and it is the sluice way 16a that correspondence is communicated in the cylinder head 11 among Fig. 4 A and Fig. 4 B, and this sluice way 16a is preferable mutual corresponding with quantity and the position of interval passage 16b.In the utility model preferred embodiment, this interval passage 16b is formed in the connecting wall B scope (span D) that the external diameter of a cylinder sleeve 123 of these piston chamber 121 peripheries can contain, and this interval passage 16b is also roughly between two joining holes 122 of this cylinder blocks 12.In addition, the quantity of this interval passage 16b is 3.Therefore, in preferred embodiment of the present utility model, each this coolant path 16 all comprises sluice way 16a and the corresponding interval passage 16b that is arranged at this cylinder blocks 12 that is located at this cylinder head 11.In addition, the interval passage 16b of this cylinder blocks 12 can be designed to the passage of asymmetrical shape, for example makes the interval passage 16b near this connecting wall B middle position have larger caliber, takes away the effect of cylinder block 12 temperature so as to expansion.In addition, this interval passage 16b also can be designed to not be the pattern in full section tunnel according to need, for example forms open groove shape in Lower Half.Moreover, though the utility model preferred embodiment is disclosed: this distributing chute 17 is to be located at the position of this coolant path 16 near the upper end, and be connected with this oil storage tank 15, so this distributing chute 17 being first halves of being located at this coolant path 16, also is to be located at this cylinder head 11.But the utility model is not limited to this, in another embodiment of the present utility model, though this distributing chute 17 is located at the first half of this coolant path 16, but but is to be located on this cylinder blocks 12, and it still can have the function of distribute lubrication oil.
Please refer to shown in Figure 6, the fragmentary sectional elevation view of the cooling construction of the vertical engine of the utility model preferred embodiment.As shown in Figure 6, when starting, engine is subjected in this crankcase 20 earlier lubricant oil in the pumping of pump pressurization institute to this cylinder head 11, and lubricant oil is sprayed on this valve driving member 13, therefore and this oil storage tank 15 also obtains the used lubricant oil of lubricated this valve driving member of part 13, perhaps, this oil storage tank 15 also can directly collect the lubricant oil that is exclusively used in cooling in 20 pumpings of this crankcase.This oil storage tank 15 is provided with several this sluice ways 16a in the wherein below of a camshaft bearing 111 near these drive chamber's 14 sides, and it flows into this crankcase 20 (not illustrating) again through the corresponding interval passage 16b that is provided with in the connecting wall B of this cylinder blocks 12.Therefore, can take away and reduce the heat energy that this piston chamber 121 produces at this interval passage 16.On the other hand, the utility model also may selectivity install a lube oil cooler (not illustrating) additional by the engine outside, so that make heat energy dissipation easilier, rotten ahead of time to keep the lubricant oil quality to be difficult for Yin Gaore, thereby avoid causing the running of engine parts impaired, so can more promote engine durability and running usefulness.
As mentioned above, connection wall compared to the cylinder center of the cooling construction of existing vertical engine can't obtain the lubricant oil cooling, make the cylinder temperature skewness, therefore can cause the risk that thermal stress is concentrated and distortion is arranged and break, engine durability and performance will be affected.The cooling construction of vertical engine of the present utility model is by this oil storage tank 15 being located in this cylinder head 11 in order to temporarily to accumulate lubricant oil, and this at least one coolant path 16 is set in connecting wall A, the B between piston chamber 121 and this drive chamber 14, so that with the downward drainage of lubricant oil in this oil storage tank 15 to this crankcase 20, reducing this piston chamber 121 inner high temperature that produce, and then promote engine running usefulness and durability by cooling off this connecting wall A, B.
Though the utility model discloses with preferred embodiment; right its is not in order to restriction the utility model; any personage who has the knack of this skill; in not breaking away from spirit and scope of the present utility model; when doing various changes and modification, therefore protection domain of the present utility model is as the criterion when looking the claim person of defining.
Claims (15)
1. the cooling construction of a vertical engine, it is to be located within the vertical engine, this vertical engine comprises a cylinder blocks, and is located at the crankcase that the cylinder head and of this cylinder blocks top is located at this cylinder blocks below; The inside of this cylinder blocks is provided with a piston chamber that allows a piston reciprocates; And a side of this cylinder head and cylinder blocks is provided with a drive chamber that is communicated to this crankcase, be provided with a driving element in this drive chamber, bent axle in this crankcase is by a valve driving member of this this cylinder head of driving element start, and it is characterized in that: this cooling construction comprises:
One oil storage tank is located at this cylinder head top, temporarily to accumulate the lubricant oil in this crankcase institute pumping; And
At least one coolant path, be located in the connecting wall between this piston chamber and this drive chamber, respectively this coolant path comprises the interval passage that the sluice way and of being located at cylinder head is located at cylinder blocks, the sluice way of this coolant path and interval passage in order to the downward drainage of the lubricant oil in this oil storage tank to this crankcase.
2. the cooling construction of vertical engine as claimed in claim 1 is characterized in that: this oil storage tank is by two camshaft bearings in this cylinder head and connects two surrounding wall one common peripheral between this two camshafts bearing around forming.
3. the cooling construction of vertical engine as claimed in claim 1 is characterized in that: the quantity of this coolant path is several.
4. as the cooling construction of claim 1 or 3 described vertical engines, it is characterized in that: each sluice way of this cylinder head is to be formed between two guiding walls.
5. the cooling construction of vertical engine as claimed in claim 3, it is characterized in that: the first half of this coolant path is provided with a distributing chute that is connected with this oil storage tank.
6. the cooling construction of vertical engine as claimed in claim 5, it is characterized in that: this distributing chute is located at this cylinder head.
7. the cooling construction of vertical engine as claimed in claim 5, it is characterized in that: this distributing chute is located at this cylinder blocks.
8. the cooling construction of vertical engine as claimed in claim 5, it is characterized in that: this distributing chute forms shape wide at the top and narrow at the bottom.
9. the cooling construction of vertical engine as claimed in claim 5, it is characterized in that: the bottom of this distributing chute is curved.
10. the cooling construction of vertical engine as claimed in claim 3 is characterized in that: in this several interval passage, the bore of interval passage that is positioned at this connecting wall middle position relatively is greater than the bore of the interval passage that is positioned at these connecting wall two side positions relatively.
11. the cooling construction of vertical engine as claimed in claim 1 is characterized in that: this interval passage is formed in the connecting wall scope that the external diameter of a cylinder sleeve of this piston chamber periphery contains.
12. the cooling construction of vertical engine as claimed in claim 1 is characterized in that: the cylinder axis of this vertical engine and horizontal vertical line are one and are not more than 45 angles of spending.
13. the cooling construction of vertical engine as claimed in claim 1 is characterized in that: this driving element is a chain, and this valve driving member is a cam.
14. the cooling construction of vertical engine as claimed in claim 13 is characterized in that: this valve driving member also comprises rocking arm.
15. the cooling construction of vertical engine as claimed in claim 1 is characterized in that: this driving element is a tappet, and this valve driving member is a upper rocker arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202700671U CN201539300U (en) | 2009-11-16 | 2009-11-16 | Vertical engine cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202700671U CN201539300U (en) | 2009-11-16 | 2009-11-16 | Vertical engine cooling structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201539300U true CN201539300U (en) | 2010-08-04 |
Family
ID=42590753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202700671U Expired - Fee Related CN201539300U (en) | 2009-11-16 | 2009-11-16 | Vertical engine cooling structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201539300U (en) |
-
2009
- 2009-11-16 CN CN2009202700671U patent/CN201539300U/en not_active Expired - Fee Related
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100804 Termination date: 20161116 |
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| CF01 | Termination of patent right due to non-payment of annual fee |