CN205297757U - Engine and cylinder head thereof - Google Patents
Engine and cylinder head thereof Download PDFInfo
- Publication number
- CN205297757U CN205297757U CN201521010059.5U CN201521010059U CN205297757U CN 205297757 U CN205297757 U CN 205297757U CN 201521010059 U CN201521010059 U CN 201521010059U CN 205297757 U CN205297757 U CN 205297757U
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- CN
- China
- Prior art keywords
- cylinder head
- water jacket
- installing hole
- lower water
- spark plug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 138
- 238000005266 casting Methods 0.000 claims abstract description 30
- 238000002485 combustion reaction Methods 0.000 claims abstract description 9
- 230000002787 reinforcement Effects 0.000 claims description 26
- 230000005465 channeling Effects 0.000 claims description 15
- 238000003754 machining Methods 0.000 claims description 3
- 239000002826 coolant Substances 0.000 abstract description 17
- 238000007789 sealing Methods 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 2
- 238000010438 heat treatment Methods 0.000 abstract 1
- 230000008595 infiltration Effects 0.000 abstract 1
- 238000001764 infiltration Methods 0.000 abstract 1
- 239000011148 porous material Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000035939 shock Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000001788 irregular Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Landscapes
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
The utility model provides an engine and cylinder head thereof can improve the sealing reliability to the combustion chamber to in avoiding coolant liquid infiltration combustion chamber, be particularly useful for the great engine of heating load. The utility model discloses a cylinder head is including fashioned water jacket and the lower water jacket gone up of casting, go up the water jacket with the water jacket feeds through each other down, still including the mounting hole that is used for installing the spark plug, the mounting hole with go up the water jacket with the shaping is cast together to the water jacket down, and runs through go up the water jacket with lower water jacket. The utility model discloses a cylinder head for the direct casting of mounting hole of installation spark plug forms, and compare in the cylinder head through bolted connection among the prior art, can because of receive cold and hot impact produce be out of shape and the cylinder head between the joint gap not appear, even receive the cold and hot impact of great intensity, can not influence yet with the sealing reliability of combustion chamber, thoroughly stopped the coolant liquid leakage problem who adopts the spark plug bush.
Description
Technical field
This utility model relates to technical field of engines, particularly relates to a kind of electromotor and cylinder head thereof.
Background technology
Along with the upgrading of the lifting of power and discharge, the thermic load of the internal combustion engines such as natural gas is also more and more higher, correspondingly, the cylinder head of electromotor be it is also proposed increasingly higher requirement.
Refer to Fig. 1, Fig. 1 is the sectional view of a kind of typical cylinder head in prior art.
In prior art, being provided with mean for the water jacket of coolant flow in the cylinder head of electromotor, it is generally the case that water jacket is separated into upper and lower two parts, namely water jacket includes upper water sleeve 10 and lower water jacket 20; Lower water jacket 20 is for cooling down base plate on the downside of cylinder head and air flue etc., and upper water sleeve 10 is used for cooling down on the upside of cylinder head, and upper water sleeve 10 and lower water jacket 20 all adopt the form of casting straight forming in cylinder head. For realizing connecting of upper water sleeve 10 and lower water jacket 20, when upper water sleeve 10 and lower water jacket 20 cast, can directly cast one intercommunicating pore of formation in the position corresponding with spark plug, be realized the connection of upper water sleeve 10 and lower water jacket 20 by this intercommunicating pore.
On the basis of the above, cylinder head of the prior art is additionally provided with spark plug lining 30, to realize the installation of spark plug, by isolated with the water jacket for coolant flow for combustor corresponding for spark plug. Spark plug lining 30 can being run through above-mentioned intercommunicating pore, now, the bottom of spark plug lining 30 can fixing with the bottom of cylinder head be connected, and spark plug is inside and outside forms two relatively independent spaces; Therefore, spark plug may be mounted in spark plug lining 30, and the outer wall of spark plug lining 30 directly can contact with coolant; Certainly, the external diameter of spark plug lining 30 is less than the internal diameter of intercommunicating pore, and difference to keep within the specific limits, to ensure the connection of upper water sleeve 10 and lower water jacket 20. On the one hand, spark plug lining 30 to have certain internal diameter, to meet the installation requirements of spark plug;On the other hand, the internal diameter of intercommunicating pore is greater than spark plug lining 30, and forms the passage that Cooling Water flows between, and therefore, above-mentioned intercommunicating pore is usually arranged as hole, big footpath, region A as shown in phantom in Figure 1.
In prior art, for realizing the connection of spark plug lining 30 and cylinder head, the connecting portions such as screw thread can be processed to form in the bottom of spark plug lining 30, and the bottom outlet that can coordinate it is processed to form with described connecting portion in the bottom of cylinder head, the pretightning force then passing through threaded pre-tightening power or other forms forms sealing between spark plug lining 30 and cylinder head, to ensure the relatively independent of water jacket and combustor.
Adopt above-mentioned existing cylinder head, when engine long time service, cylinder head and spark plug lining 30 bear thermal shock always, it is possible to junction can be made to occur loosening, and then causing the seal failure of spark plug lining 30 and cylinder head so that coolant is penetrated in combustor.
Therefore, how looking for another way, a kind of electromotor of design and cylinder head thereof, to improve the sealing reliability of combustor, it is to avoid coolant penetrates into combustor, with the operating mode suitable in high load capacity operation, be that those skilled in the art need badly at present and solve the technical problem that.
Utility model content
The purpose of this utility model is to provide a kind of electromotor and cylinder head thereof, it is possible to increase the sealing reliability to combustor, thus avoiding coolant to penetrate in combustor, is particularly suited for the electromotor that thermic load is bigger.
For solving above-mentioned technical problem, this utility model provides the cylinder head of a kind of electromotor, upper water sleeve and lower water jacket including casting, described upper water sleeve and described lower water jacket are interconnected, also include the installing hole for installing spark plug, described installing hole is casting together with described upper water sleeve and described lower water jacket, and runs through described upper water sleeve and described lower water jacket.
Cylinder head of the present utility model, installing hole for installing spark plug directly casts and forms, compared with prior art being bolted in cylinder head, will not be deformed because being subject to thermal shock and and joint gap occurs between cylinder head, even if being subject to the thermal shock of bigger intensity, without the sealing reliability having influence on combustor, thoroughly stop to adopt the coolant leakage problems of spark plug lining. Visible, cylinder head of the present utility model has higher working strength and sealing reliability, enables in particular to meet the user demand of big load engine.
Alternatively, described upper water sleeve and described lower water jacket adopt relatively independent jacket core casting, in order to form dividing plate between; Described upper water sleeve and described lower water jacket are interconnected by machining the channeling water hole formed.
Alternatively, described installing hole casting is at the middle part of described dividing plate.
Alternatively, also including inlet valve and exhaust valve, described channeling water hole is set at least two, and one of them is in the side of described inlet valve, and another is in the side of described exhaust valve.
Alternatively, described installing hole from top to bottom runs through described cylinder head.
Alternatively, also including reinforcement and valve guide bushing, described reinforcement is arranged on the connecting line of described valve guide bushing and described installing hole.
Alternatively, described reinforcement connects as one with the top board of described dividing plate and described cylinder head.
Alternatively, described valve guide bushing includes inlet valve conduit and exhaust valve guide, inlet valve conduit between described installing hole and described exhaust valve guide between described installing hole, be equipped with a described reinforcement, and reinforcement described in two is symmetrical arranged about described installing hole.
This utility model also provides for a kind of electromotor, and including the cylinder head for sealed combustion chamber, described cylinder head is the cylinder head described in any of the above-described item.
Owing to this utility model electromotor has the cylinder head described in any of the above-described item, therefore technique effect produced by the cylinder head described in any of the above-described item is all suitable in electromotor of the present utility model, repeats no more herein.
Accompanying drawing explanation
Fig. 1 is the sectional view of a kind of typical cylinder head in prior art;
Fig. 2 is this utility model provided cylinder head sectional view in a kind of detailed description of the invention;
Fig. 3 is the top view of cylinder head shown in Fig. 2;
Fig. 4 is the structural representation of A-A section in Fig. 3.
In Fig. 1:
Upper water sleeve 10, lower water jacket 20, spark plug lining 30;
In Fig. 2-4:
Upper water sleeve 1, lower water jacket 2, spark plug 3, installing hole 4, dividing plate 5, channeling water hole 6, reinforcement 7, valve guide bushing 8, inlet valve conduit 81, exhaust valve guide 82, cylinder head 9, top board 91, base plate 92.
Detailed description of the invention
Core of the present utility model is to provide a kind of electromotor and cylinder head thereof, it is possible to increase the sealing reliability to combustor, thus avoiding coolant to penetrate in combustor, is particularly suited for the electromotor that thermic load is bigger.
In order to make those skilled in the art be more fully understood that utility model scheme, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Refer to Fig. 2, this utility model provides the cylinder head of a kind of electromotor, and this cylinder head 9 is arranged on the body of electromotor, and for sealed combustion chamber, it is internally provided with the water jacket for coolant flow; Under normal circumstances, water jacket is divided into upper and lower two parts, namely water jacket includes upper water sleeve 1 and lower water jacket 2, both are interconnected, upper water sleeve 1 is mainly used in the top board 91 on the upside of cooling cylinder head 9 and is in the air flue on top, and lower water jacket 2 is mainly used in the base plate 92 on the downside of cooling cylinder head 9 and is in the air flue of bottom; Upper water sleeve 1 and lower water jacket 2 all can castings. Cylinder head 9 of the present utility model could be included for installing the installing hole 4 of spark plug 3, to replace spark plug 3 lining of the prior art, installing hole 4 can together with upper water sleeve 1 and lower water jacket 2 casting, and upper water sleeve 1 and lower water jacket 2 can be run through.
Cylinder head 9 of the present utility model, the installation of spark plug 3 is realized by the installing hole 4 of casting together with upper water sleeve 1 and lower water jacket 2, compared with spark plug 3 lining being threaded in prior art in cylinder head 9, the installing hole 4 of casting is one-body molded with cylinder head 9, it is absent from sealed faying face, it is possible to achieve the inner chamber of installing hole 4 is completely isolated with outside; Owing to the inner chamber of installing hole 4 is used for installing spark plug 3, can with combustion chamber, the space outerpace of installing hole 4 is separated by upper water sleeve 1 and lower water jacket 2, form the flowing space of coolant, that is, the interior or exterior space of installing hole 4 is corresponding oil pocket and water cavity respectively, and two chambeies are mutually isolated, has thoroughly stopped the problem that coolant penetrates into combustor. What is more important, installing hole 4 and cylinder head 9 are integral type structure, even if being subject to strong thermal shock and deforming, separate with cylinder head 9 without because of deformation, owing to being absent from gap, coolant just can not be penetrated in combustor, it is ensured that the sealing reliability of cylinder head 9. It is additionally, since installing hole 4 and runs through upper water sleeve 1 and lower water jacket 2, it is possible to undertaken sufficiently cool by coolant.
In detail, upper water sleeve 1 and lower water jacket 2 all adopt specific jacket core to cast, in prior art, a kind of forging type is the jacket core of upper water sleeve 1 and the jacket core of lower water jacket 2 to be connected, the position that then two jacket cores are connected just can form intercommunicating pore after casting completes, it is achieved the connection of upper water sleeve 1 and lower water jacket 2.But, jacket core that upper water sleeve 1 adopts and what the jacket core itself that lower water jacket 2 adopts was independent from, say, that two jacket cores are machine-shaping respectively, to ensure density and the intensity of jacket core, and then ensure that the water jacket that casting is formed has good serviceability; When upper water sleeve 1 and lower water jacket 2 cast, it is necessary to two jacket cores are connected as one, and two independent cores follow-up in conjunction with time, substantially cannot form close laminating in junction, thus produce casting base seam in junction. Casting base seam is the flaky texture that core junction is not closely formed because of combination, the actual circulation area of water jacket can be made less than design load, can block water jacket time serious. Further, above-mentioned casting base seam is in the inner chamber of cylinder head 9, is difficult to clean up and checks.
For above-mentioned technical problem, in cylinder head 9 of the present utility model, the jacket core that upper water sleeve 1 and lower water jacket 2 adopt can be relatively independent, namely the jacket core that casting upper water sleeve 1 adopts can be relatively independent with the jacket core that casting lower water jacket 2 adopts, and be not connected to, make upper water sleeve 1 and the independent casting of lower water jacket 2, at this point it is possible to form a complete dividing plate 5 between upper water sleeve 1 and lower water jacket 2. It is then possible to adopt mach mode to form channeling water hole 6 in the optional position of upper water sleeve 1 and lower water jacket 2 division surface, realized both connections by channeling water hole 6.
Now, upper water sleeve 1 and lower water jacket 2 are relatively independent, it is ensured that both respective working strength and reliabilities, it is particularly possible to avoid producing in both junctions casting base seam, optimize casting technique; And, upper water sleeve 1 connects by machining the channeling water hole 6 formed with lower water jacket 2, without influence on the flowing of coolant; What is more important, the dividing plate 5 of complete structure is formed between upper water sleeve 1 and lower water jacket 2, bulk strength and the rigidity of cylinder head 9 can be improved largely, with the working strength of lifting cylinder lid 9 and durability, it is also possible to the ability that service hoisting cylinder head 9 cold-and-heat resistent impacts.
At this point it is possible to casting forms above-mentioned installing hole 4 at the middle part of dividing plate 5. As shown in Figure 2, dividing plate 5 constitutes the entity portion between upper water sleeve 1 and lower water jacket 2, both are effectively isolated with combustor, when the casting of the middle part of dividing plate 5 forms described installing hole 4, dividing plate 5 can be passed through surrounded by whole spark plug 3, thus realizing being effectively isolated of combustor and water jacket, thoroughly stopping coolant and penetrating in combustor. And, dividing plate 5 is formed when upper water sleeve 1 and lower water jacket 2 casting, and its dependability is higher, and the ability that cold-and-heat resistent impacts is stronger. When installing hole 4 is opened in the middle part of dividing plate 5, on the one hand, upper water sleeve 1 can be passed through and lower water jacket 2 carries out sufficiently cool, on the other hand, the impact produced during combustor outburst can uniformly transfer to dividing plate 5, is cushioned by dividing plate 5.
The middle part of described dividing plate 5 refers to, with the vertical centrage of dividing plate 5 for reference, and the zone line that the certain distance that stretches out is formed, not refer to the middle of dividing plate 5 definitely.
Cylinder head 9 of the present utility model can also include inlet valve and exhaust valve, two channeling water holes 6 then can be set, one channeling water hole 6 is in the side near inlet valve, side corresponding with inlet valve in other words, another channeling water hole 6 is in the side near exhaust valve, side corresponding with exhaust valve in other words. It should be noted that do not illustrate the structure of inlet valve and exhaust valve in Fig. 2-4, those skilled in the art are referred to prior art and arrange inlet valve and exhaust valve.
Channeling water hole 6 is generally arranged at dividing plate 5 adnexa, the structure for dividing plate 5 for similar cylindrical shape, then channeling water hole 6 can respectively in the periphery of dividing plate 5. Those skilled in the art can also be arranged as required to number and the position in channeling water hole 6, it is not limited to the concrete form of above-mentioned two, when being set to multiple, it is possible to be evenly distributed in dividing plate 5 around, it is also possible to as required the position in channeling water hole 6 is carried out irregular setting.
On the basis of the above, installing hole 4 can from top to bottom run through whole cylinder head 9, as shown in Figure 2. Now, installing hole 4 connects top board 91 and the base plate 92 of cylinder head 9, and when combustor breaks out, the impulsive force of generation can be transferred to top board 91 along installing hole 4 by the base plate 92 of cylinder head 9, impulsive force is carried will pass through whole cylinder head 9, thus improving the impact resistance of cylinder head 9. In like manner, when thermic load is excessive, it is also possible to be transferred to whole cylinder head 9 by installing hole 4, the thermic load bearing capacity of cylinder head 9 is improved.
As herein described is be defined with the relative position of cylinder head 9 with combustor up and down, and cylinder head 9 is under the direction of combustor is, the direction away from combustor is upper.
Please further refer to Fig. 3 and Fig. 4, cylinder head 9 of the present utility model can also include reinforcement 7, and cylinder head 9 is provided with valve guide bushing 8, and valve guide bushing 8 is in the side of dividing plate 5, then reinforcement 7 can be arranged on the connecting line of valve guide bushing 8 to installing hole 4. Specifically, valve guide bushing 8 can include inlet valve conduit 81 and exhaust valve guide 82, it is correspondingly arranged with inlet valve and exhaust valve respectively, the connecting line of inlet valve conduit 81 to installing hole 4 then can arrange a reinforcement 7, the connecting line between exhaust valve guide 82 to installing hole 4 can also arrange a reinforcement 7. Under normal circumstances, inlet valve conduit 81 and exhaust valve guide 82 can be symmetrically distributed in the both sides of installing hole 4, and now, inlet valve conduit 81, installing hole 4 may be on same straight line with exhaust valve guide 82 three, as shown in Figure 3; Meanwhile, two reinforcements 7 can also be symmetrical arranged about installing hole 4.
The version of reinforcement 7 is various, it is possible to projecting towards installing hole 4 in lug-shaped, and extends at the above-below direction of cylinder head 9, as shown in Figure 3 and Figure 4; Reinforcement 7 is it can also be provided that other shapes, such as square list structure, or other irregular shapes, as long as the booster action to cylinder head 9 can be played, specifically can be configured according to the version of cylinder head 9.
The position that arranges of reinforcement 7 is also not necessarily limited to the connecting line of valve guide bushing 8 and installing hole 4, it is also possible to is near connecting line, or is substantially distributed on connecting line. When reinforcement 7 is arranged on the valve guide bushing 8 connecting line with installing hole 4, refer on the connecting line segment being between valve guide bushing 8 and installing hole 4, not on the extended line of this connecting line.
In the embodiment shown in Fig. 4, reinforcement 7 can extend in the vertical direction, and the upper end of reinforcement 7 can connect as one with the top board 91 of cylinder head 9, and lower end can extend to dividing plate 5, and connects as one with dividing plate 5. Now, the base plate 92 of top board 91 reinforcement 7 of cylinder head 9, dividing plate 5 and cylinder head 9 is from top to bottom sequentially connected with as monolithic construction, whole cylinder head 9 is connected as one in the vertical direction, plays longitudinally (i.e. above-below direction) booster action; Simultaneously, cylinder head 9 is divided into upper and lower two parts by upper water sleeve 1 and lower water jacket 2, owing to upper water sleeve 1 all extends in the plane (being referred to herein as cross section) vertical with above-below direction with lower water jacket 2, the horizontal booster action of cylinder head 9 can be played, therefore, cylinder head 9 has higher structural intergrity on horizontal and vertical, and strength and stiffness obtain and are obviously improved.
And, when the connecting line of valve guide bushing 8 and installing hole 4 arranges reinforcement 7, the structure that will not hinder upper water sleeve 1 and lower water jacket 2 is arranged so that upper water sleeve 1 and lower water jacket 2 have enough film-cooled heats, have taken into account cooling reliability while playing booster action.
Furthermore, reinforcement 7 at upper water sleeve 1 casting together with in lower water jacket 2 casting process, can also improve the structural reliability of cylinder head 9 further. Visible, cylinder head 9 of the present utility model, by cooperating of dividing plate 5, reinforcement 7 and installing hole 4, it is effectively increased the strength and stiffness of cylinder head 9, it is possible to reduce the deformation in cylinder head 9 use procedure, improves the reliability of cylinder head 9.
This utility model additionally provides a kind of electromotor, and including the cylinder head 9 for sealed combustion chamber, described cylinder head 9 is the cylinder head 9 of any of the above-described, it is possible to for natural gas engine, or the electromotor that other thermic loads are bigger.
It should be noted that; the wide variety of electromotor of the present utility model; the parts of various electromotors protection are more; only its cylinder head 9 is illustrated herein; especially relevant to upper water sleeve 1 and lower water jacket 2 in cylinder head 9 structure; as for other parts of other structures of cylinder head 9 and electromotor, no longer illustrating one by one, not quite clear part please with reference to prior art herein.
Above electromotor provided by the utility model and cylinder head 9 thereof are described in detail. Principle of the present utility model and embodiment are set forth by specific case used herein, and the explanation of above example is only intended to help to understand core concept of the present utility model. Should be understood that; for those skilled in the art; under the premise without departing from this utility model principle, it is also possible to this utility model carries out some improvement and modification, these improve and modification also falls in this utility model scope of the claims.
Claims (9)
1. the cylinder head of an electromotor, upper water sleeve (1) and lower water jacket (2) including casting, described upper water sleeve (1) and described lower water jacket (2) are interconnected, it is characterized in that, also include the installing hole (4) for installing spark plug (3), described installing hole (4) is casting together with described upper water sleeve (1) and described lower water jacket (2), and runs through described upper water sleeve (1) and described lower water jacket (2).
2. cylinder head as claimed in claim 1, it is characterised in that described upper water sleeve (1) and described lower water jacket (2) adopt relatively independent jacket core casting, in order to form dividing plate (5) between; Described upper water sleeve (1) and described lower water jacket (2) are interconnected by machining the channeling water hole (6) formed.
3. cylinder head as claimed in claim 2, it is characterised in that described installing hole (4) casting is at the middle part of described dividing plate (5).
4. cylinder head as claimed in claim 2, it is characterised in that also including inlet valve and exhaust valve, described channeling water hole (6) is set at least two, and one of them is in the side of described inlet valve, and another is in the side of described exhaust valve.
5. the cylinder head as described in any one of claim 2-4, it is characterised in that described installing hole (4) from top to bottom runs through described cylinder head (9).
6. cylinder head as claimed in claim 5, it is characterized in that, also including reinforcement (7) and valve guide bushing (8), described reinforcement (7) is arranged on the connecting line of described valve guide bushing (8) and described installing hole (4).
7. cylinder head as claimed in claim 6, it is characterised in that the top board (91) of described reinforcement (7) and described dividing plate (5) and described cylinder head (9) connects as one.
8. cylinder head as claimed in claim 6, it is characterized in that, described valve guide bushing (8) includes inlet valve conduit (81) and exhaust valve guide (82), inlet valve conduit (81) between described installing hole (4) and described exhaust valve guide (82) between described installing hole (4), be equipped with a described reinforcement (7), and reinforcement described in two (7) is symmetrical arranged about described installing hole (4).
9. an electromotor, including the cylinder head for sealed combustion chamber, it is characterised in that described cylinder head is the cylinder head (9) described in any one of the claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521010059.5U CN205297757U (en) | 2015-12-07 | 2015-12-07 | Engine and cylinder head thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521010059.5U CN205297757U (en) | 2015-12-07 | 2015-12-07 | Engine and cylinder head thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205297757U true CN205297757U (en) | 2016-06-08 |
Family
ID=56437125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521010059.5U Expired - Fee Related CN205297757U (en) | 2015-12-07 | 2015-12-07 | Engine and cylinder head thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205297757U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298675A (en) * | 2015-12-07 | 2016-02-03 | 潍柴动力股份有限公司 | Engine and cylinder cover thereof |
| CN109519297A (en) * | 2019-01-03 | 2019-03-26 | 广西玉柴机器股份有限公司 | A kind of novel natural gas engine cylinder cap |
| CN109578161A (en) * | 2019-01-03 | 2019-04-05 | 广西玉柴机器股份有限公司 | A kind of Ignition Natural Gas Engine spark plug mounting structure |
-
2015
- 2015-12-07 CN CN201521010059.5U patent/CN205297757U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105298675A (en) * | 2015-12-07 | 2016-02-03 | 潍柴动力股份有限公司 | Engine and cylinder cover thereof |
| CN109519297A (en) * | 2019-01-03 | 2019-03-26 | 广西玉柴机器股份有限公司 | A kind of novel natural gas engine cylinder cap |
| CN109578161A (en) * | 2019-01-03 | 2019-04-05 | 广西玉柴机器股份有限公司 | A kind of Ignition Natural Gas Engine spark plug mounting structure |
| WO2020140484A1 (en) * | 2019-01-03 | 2020-07-09 | 广西玉柴机器股份有限公司 | Novel cylinder head of natural gas engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20160608 |