CN107091164B - A kind of diesel engine and its body water jacket - Google Patents
A kind of diesel engine and its body water jacket Download PDFInfo
- Publication number
- CN107091164B CN107091164B CN201710542495.4A CN201710542495A CN107091164B CN 107091164 B CN107091164 B CN 107091164B CN 201710542495 A CN201710542495 A CN 201710542495A CN 107091164 B CN107091164 B CN 107091164B
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- Prior art keywords
- cooling chamber
- jacket
- wall
- cylinder jacket
- cylinder
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/004—Cylinder liners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F7/0065—Shape of casings for other machine parts and purposes, e.g. utilisation purposes, safety
- F02F7/007—Adaptations for cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F7/00—Casings, e.g. crankcases or frames
- F02F2007/0097—Casings, e.g. crankcases or frames for large diesel engines
Abstract
This application discloses a kind of body water jackets, including body and cylinder jacket, the inner wall of outer wall and body at the top of this cylinder jacket surround can water conservancy diversion coolant liquid, the first cooling cooling chamber is carried out with one ring position of piston to cylinder jacket, the outer wall of cylinder jacket bottom and the internal wall transitions of body cooperate；The first liquid outlet channel of coolant liquid in the first feed pathway for guiding the coolant into the first cooling chamber, and the first cooling chamber of export is offered on body.Body water jacket provided by the invention, by the outside at the top of cylinder jacket, the first cooling chamber is set, so that the outer wall at top is directly contacted with coolant liquid, and the outer wall of the bottom of cylinder jacket is then directly contacted with the inner wall of body, so that the top of cylinder jacket becomes wet liner, bottom becomes dry liner, the wet lower dry mode of entire cylinder jacket or more and body is enabled to cooperate, while realization is fully cooled one ring position of piston, the stable position with body is also assured, so that the working performance of diesel engine is obviously improved.
Description
Technical field
The present invention relates to Diesel Engine Technique Field, in particular to a kind of body water jacket further relates to have above-mentioned body water jacket
A kind of diesel engine.
Background technique
Diesel engines at present industry just develops towards the direction of high-performance low emission, newly-designed in order to reach this target
Diesel engine all uses the necessary means such as high strengthening degree and high detonation pressure, consequently also brings the body water jacket (body of diesel engine
Water jacket includes body and cylinder jacket) one ring position of piston (this one ring position of piston refers to that top piston ring exists on piston
Piston runs to position when top dead centre) cooling capacity deficiency, body insufficient rigidity, cylinder liner deformation caused greatly scuffing of cylinder bore, work
A series of problems, such as filling in carbon distribution, while the vibration of high detonation pressure impact lower cylinder set also aggravates therewith, cavitation pitting takes place frequently.
In the prior art, cylinder jacket, generally wet liner or dry liner used by body water jacket.Its
In, although wet liner good cooling results, it is poor with the locating effect of body, and self vibration is larger, is easy to produce
Cavitation pitting；And although the locating effect of dry liner and body is preferable, its cooling effect is poor, be unable to satisfy it is cooling require compared with
The cooling of high one ring position of piston.I.e. the function of wet liner and dry liner is all more single, so no matter using
Which kind of cylinder jacket, the working performance all without decree diesel engine are significantly improved.
Therefore, the working performance for how further improving diesel engine, has become current those skilled in the art urgently
It solves the problems, such as.
Summary of the invention
In view of this, the present invention provides a kind of body water jackets, by being improved to original structure, so that diesel engine
Working performance is obviously improved.The present invention also provides a kind of diesel engines with above-mentioned body water jacket.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of body water jacket, including body and cylinder jacket, in which:
The inner wall of outer wall at the top of the cylinder jacket and the body surround jointly can water conservancy diversion coolant liquid, to the gas
One ring position of piston of cylinder sleeve carries out the first cooling cooling chamber, the outer wall of the cylinder jacket bottom and the inner wall mistake of the body
Cross cooperation；
The first feed pathway guided the coolant into first cooling chamber, and export are offered on the body
First liquid outlet channel of coolant liquid in first cooling chamber.
Preferably, in above-mentioned body water jacket, jacket structure for water, the water jacket knot are provided on the outer wall at the top of the cylinder jacket
Structure includes:
With the integrally formed ontology of the cylinder jacket；
The inner wall of the annular groove being provided on the circumference side of the ontology, the annular groove and the body cooperates
Surround first cooling chamber of annular.
Preferably, in above-mentioned body water jacket, stroke of the piston of diesel engine in the cylinder jacket is A, and the annular is recessed
Slot is L, and A/3 < L < A/2 in the upward width of the cylinder sleeve shaft.
Preferably, in above-mentioned body water jacket, the internal diameter of the cylinder jacket is B, and the minimum thickness of the ontology is S1, and
The S1=0.06B.
Preferably, in above-mentioned body water jacket, the wall thickness of the bottom of the cylinder jacket is S2, and S2=0.25B.
Preferably, in above-mentioned body water jacket, one end of first liquid outlet channel is connected to first cooling chamber, another
End is connected to the inner cavity of cylinder head, coolant liquid can be imported into the inner cavity of the cylinder head from first cooling chamber
In.
Preferably, in above-mentioned body water jacket, further includes:
The second cooling chamber being provided on the body, second cooling chamber is annular chamber, and is located at the cylinder jacket
Bottom outside；
It is connected to the inner cavity of second cooling chamber and the cylinder head, the coolant liquid flowed out in the cylinder head is imported
To the second feed pathway in second cooling chamber；
It is connected to second cooling chamber, by the second liquid outlet channel derived from the coolant liquid in second cooling chamber.
Preferably, in above-mentioned body water jacket, the ontology is in the upward both ends of the cylinder sleeve shaft and the body
Wall is clearance fit.
Preferably, in above-mentioned body water jacket, the annular groove is the arc-shaped arc groove of cross sectional shape.
A kind of diesel engine, including piston and body water jacket, the body water jacket are body water jacket described in above-mentioned any one.
Body water jacket provided by the invention, for setting in diesel engine, including body and cylinder jacket, improvements exist
Define the first cooling chamber in the inner wall cooperation of the outer wall and body at, the top of cylinder jacket, this first cooling chamber can water conservancy diversion it is cold
But liquid cools down one ring position of piston of cylinder jacket to realize, and the outer wall of the bottom of cylinder jacket is then directly and body
Internal wall transitions cooperation；The first feed pathway and the first liquid outlet channel are also opened up on body simultaneously, this first feed pathway
It can will be imported into the first cooling chamber from the coolant liquid come out in pump, when coolant liquid is flowed in the first cooling chamber,
Then one ring position of piston is realized and is cooled down, and the first liquid outlet channel is then used to export coolant liquid from the first cooling chamber.This hair
The first cooling chamber is arranged by outside at the top of cylinder jacket in the body water jacket of bright offer so that the outer wall at top directly with it is cold
But liquid contacts, and the outer wall of the bottom of cylinder jacket is then directly contacted with the inner wall of body, so that the top of cylinder jacket becomes
Wet liner, bottom become dry liner, enable the wet lower dry mode of entire cylinder jacket or more and body cooperate, and then in reality
While being now fully cooled to one ring position of piston, it is ensured that the stable position with body, so that the working performance of diesel engine
It has obtained further being obviously improved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structural schematic diagram of cylinder jacket in body water jacket provided in an embodiment of the present invention；
Fig. 2 is cylinder jacket and the axonometric drawing that body cooperates；
Fig. 3 is cylinder jacket and the main view that body cooperates.
In Fig. 1-Fig. 3:
1- body, 2- cylinder jacket, the first cooling chamber of 3-, the first feed pathway of 4-, the first liquid outlet channel of 5-, 6- ontology, 7-
Annular groove, the second cooling chamber of 8-, the second feed pathway of 9-, the second liquid outlet channel of 10-.
Specific embodiment
The present invention provides a kind of body water jackets, by improving to original structure, so that the working performance of diesel engine
It is obviously improved.
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1-Figure 3, body water jacket provided in an embodiment of the present invention, including body 1 and cylinder jacket 2, the present embodiment
Cylinder jacket 2 is considered as two parts to be illustrated, i.e. top and bottom (as shown in Figure 1), particularly 2 top of cylinder jacket outside
The inner wall (inner wall that this inner wall refers to hole of the body 1 for installing cylinder jacket 2) of wall and body 1 surround jointly can water conservancy diversion it is cold
But liquid, so that one ring position of piston to cylinder jacket 2 realizes the first cooling cooling chamber 3, and the outer wall of 2 bottom of cylinder jacket is then straight
It connects and carries out transition fit with the inner wall of body 1；And in order to guarantee proper flow of the coolant liquid in the first cooling chamber 3, also exist
The first feed pathway 4 guided the coolant into in the first cooling chamber 3 is offered on body 1, and will be in the first cooling chamber 3
First liquid outlet channel 5 derived from coolant liquid.In the present embodiment, coolant liquid generally refers to cooling water, it may be it certainly
The coolant liquid of his type, such as cooling oil etc..In the present embodiment, the bottom lengths of cylinder jacket 2 account for about in 2 axial direction of cylinder jacket
2/3rds of 2 length of entire cylinder jacket, and the bottom of cylinder jacket 2 and the internal wall transitions of body 1 why is enabled to cooperate, it is to keep away
The mistake of cylinder jacket 2 that exempting from interference fit may cause is justified, can be complete after the bottom expanded by heating of cylinder jacket 2 under such fit system
It is adjacent to body 1 entirely.
The body water jacket of above structure enables coolant liquid enter through body 1 from the first feed pathway 4 when being worked
In one cooling chamber 3, the cylinder jacket 2 for being located at 3 inside of the first cooling chamber is cooled down, important is the pistons one to cylinder jacket 2
Ring position is cooled down, so that the efficient cooling for needing most cooling position to cylinder jacket 2 is realized, when coolant liquid is the first of annular
In cooling chamber 3 around cylinder jacket 2 flow and complete it is cooling after, can enter in the first liquid outlet channel 5, thus through body 1 from the
It is flowed out in one cooling chamber 3.It can thus be seen that body water jacket provided in this embodiment, enables the top of cylinder jacket 2 with wet type cylinder
The working method of set 2 works.Meanwhile in above process, the bottom of cylinder jacket 2 directly contacts simultaneously jail with body 1 always
It is solidly connected, so that there is preferable locating effect, even the bottom of cylinder jacket 2 is with dry liner between cylinder jacket 2 and body 1
2 working method works, so that the cylinder jacket 2 in body water jacket provided in this embodiment is the new of upper wet lower dry type
Type cylinder jacket not only realizes one ring position of piston and is fully cooled, but also realizes strong fix with body 1, mitigates
The vibration of cylinder jacket 2, reduces the occurrence probability of cavitation pitting so that the working performance of diesel engine obtained it is further significant
It is promoted.
In order to advanced optimize technical solution, in body water jacket provided in this embodiment, set on the outer wall at 2 top of cylinder jacket
Be equipped with jacket structure for water, as shown in Figure 1, jacket structure for water include with the integrally formed ontology 6 of cylinder jacket 2, and be provided with ontology 6
Annular groove 7 on circumference side, the inner wall of annular groove 7 and body 1 match the first cooling chamber 3 for being encircled into annular, such as Fig. 2 and
Shown in Fig. 3.In the present embodiment, the structure for forming the first cooling chamber 3 can be there are many selection, such as can be in the inner wall of body 1
Upper setting groove, or groove is opened up, but on the outer wall of cylinder jacket 2 directly in order to be reduced as far as possible to body 1 and/or gas
It is influenced caused by 2 self structure of cylinder sleeve, preferably enables cylinder jacket 2 that there is jacket structure for water, realize that first is cold by this jacket structure for water
But the molding of chamber 3, even on the outer wall being arranged at the top of cylinder jacket 2 that ontology 6 protrudes, then again in the circumference of ring body 6
The annular groove 7 around 2 axis of cylinder jacket is opened up on side, and the opening of annular groove 7 is blocked by 1 inner wall of body,
To surround the first cooling chamber 3.
As shown in Figure 1, annular groove 7 is axial in cylinder jacket 2 it is preferred that stroke of the piston of diesel engine in cylinder jacket 2 is A
On width be L, and enable A/3 < L < A/2；The internal diameter of cylinder jacket 2 is B, and the minimum thickness of ontology 6 is S1, and enables S1=
0.06B.In the present embodiment, enable the width of annular groove 7 between piston one third stroke and half stroke, be for
Cooling of the abundant realization to one ring position of piston, while being also convenient for the installation of jacket structure for water.The minimum thickness S1 of ontology 6, refers to
Be cylinder jacket 2 radially the bottom wall of annular groove 7 between 2 inner wall of cylinder jacket at a distance from, enable this distance be cylinder jacket 2 in
0.06 times of diameter is then this reality because the minimum wall thickness (MINI W.) that current wet liner is recommended is 6 the percent of inner diameter of cylinder sleeve
Example is applied in order to reach optimal cooling effect in safe range, it is advantageous to be limiting value.
It is further preferred that the wall thickness of the bottom of cylinder jacket 2 is S2, as shown in Figure 1, and S2=0.25B.It is existing dry
It is 2 the percent of 2 internal diameter of cylinder jacket that formula cylinder jacket 2, which recommends wall thickness, and then the wall thickness of preferred 2 bottom of cylinder jacket is to omit to the present embodiment
Greater than the wall thickness of recommendation, even the wall thickness of bottom is 2 the percent points five of 2 internal diameter of cylinder jacket.Relatively thick wall thickness reduces
The deformation probability of cylinder jacket 2 such as solves the problems, such as that cylinder jacket 2 is easily-deformable, and also avoids scuffing of cylinder bore, Piston Carbon at one system
Column problem.
In the present embodiment, one end of the first liquid outlet channel 5 is further preferably enabled to be connected to the first cooling chamber 3, the other end and cylinder
The inner cavity of lid is connected to, can enable coolant liquid can be after by coolant liquid from the inner cavity for importeding into cylinder head in the first cooling chamber 3
It is continuous that cylinder head is cooled down, to make full use of coolant liquid, improve heat exchange efficiency.
As shown in Figures 2 and 3, in body water jacket provided in this embodiment, further includes: second be provided on body 1 is cold
But chamber 8, which is annular chamber, and is located at the bottom outside of cylinder jacket 2；It is connected to the second cooling chamber 8 and cylinder head
Inner cavity, the second feed pathway 9 coolant liquid flowed out in cylinder head being imported into the second cooling chamber 8；With the second cooling chamber 8
Connection, by the second liquid outlet channel 10 derived from the coolant liquid in the second cooling chamber 8.Above structure can be utilized from cylinder head
The coolant liquid of outflow cools down the bottom of cylinder jacket 2, so that the temperature of 2 bottom of cylinder jacket be avoided to occur suddenly increasing, makes
Obtaining cylinder jacket 2, the service life is longer.
Specifically, the entire flow path of coolant liquid are as follows: the coolant liquid come out from pump is entered through the first feed pathway 4
One ring position of piston is cooled down in first cooling chamber 3, then flow to gas from the first cooling chamber 3 through the first liquid outlet channel 5
In the inner cavity of cylinder cap, cylinder head is cooled down, the coolant liquid flowed out from the inner cavity of cylinder head later is through the second feed pathway 9
It enters in the second cooling chamber 8 and the bottom of cylinder jacket 2 is cooled down, the second liquid outlet channel 10 will be in the second cooling chamber 8 later
Coolant liquid be expelled to outside body 1.
Above-mentioned set-up mode can not only realize comprehensive cooling to the top and bottom of cylinder jacket 2, prolong as far as possible
The service life of long cylinder jacket 2, but also can use 10 shape of the second feed pathway 9, the second cooling chamber 8 and the second liquid outlet channel
At outlet pipeline of the circulation path as cylinder head, improve the structural compactness and integration of body 1.
Specifically, the inner wall of both ends of the ontology 6 in 2 axial direction of cylinder jacket and body 1 is clearance fit.As shown in figure 3,
The both ends of ontology 6, the i.e. location of C indicated in Fig. 3 and the position D, the inner wall with body 1 are small―gap suture cooperation, when cylinder jacket 2 by
After thermal expansion, it can be adjacent to body 1, in conjunction with the clearance fit (i.e. being denoted as the position of E in Fig. 3) of bottom and body 1,
To realize to the strong fix of entire cylinder jacket 2, the generation of cavitation pitting is reduced.Also, the gap size of further preferably location of C is greater than D
The gap size of position, to further increase fitment stability.
As shown in Figure 1-Figure 3, the present embodiment further preferably annular groove 7 is the arc-shaped arc groove of cross sectional shape.Relatively
In the groove (such as rectangular recess) that cross sectional shape is polygon, the groove of arc since its side wall and bottom wall are one section of circular arc,
So it has bigger opening, enable to distribution of the groove in 2 axial direction of cylinder jacket bigger, to improve to cylinder
The cooling effect at 2 top of set, so the preferred embodiment as the present embodiment.
The diesel engine box body provided in based on the above embodiment, the embodiment of the invention also provides a kind of diesel engine, the bavins
Oil machine has the body water jacket provided in above-described embodiment.
Since the diesel engine uses body water jacket provided by the above embodiment, so the diesel engine is brought by body water jacket
Beneficial effect please refer to corresponding part in above-described embodiment, details are not described herein.
Each part is described in a progressive manner in this specification, what the structure of each part stressed is
With the difference of existing structure, the entirety and part-structure of body water jacket can be obtained by combining the structure of above-mentioned multiple portions
It arrives.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (8)
1. a kind of body water jacket, including body and cylinder jacket, it is characterised in that:
The inner wall of outer wall at the top of the cylinder jacket and the body surround jointly can water conservancy diversion coolant liquid, to the cylinder jacket
One ring position of piston carry out the first cooling cooling chamber, the internal wall transitions of the outer wall and the body of the cylinder jacket bottom are matched
It closes；
The first feed pathway guided the coolant into first cooling chamber is offered on the body, and described in export
First liquid outlet channel of coolant liquid in first cooling chamber, one end of first liquid outlet channel are connected to first cooling chamber,
The other end is connected to the inner cavity of cylinder head, can imported into coolant liquid in the cylinder head from first cooling chamber
In chamber；
Further include:
The second cooling chamber being provided on the body, second cooling chamber is annular chamber, and is located at the bottom of the cylinder jacket
On the outside of portion；
It is connected to the inner cavity of second cooling chamber and the cylinder head, the coolant liquid flowed out in the cylinder head is imported into institute
State the second feed pathway in the second cooling chamber；
It is connected to second cooling chamber, by the second liquid outlet channel derived from the coolant liquid in second cooling chamber.
2. body water jacket according to claim 1, which is characterized in that be provided with water jacket on the outer wall at the top of the cylinder jacket
Structure, the jacket structure for water include:
With the integrally formed ontology of the cylinder jacket；
The inner wall of the annular groove being provided on the circumference side of the ontology, the annular groove and the body, which is matched, to be encircled into
First cooling chamber of annular.
3. body water jacket according to claim 2, which is characterized in that stroke of the piston of diesel engine in the cylinder jacket
For A, the annular groove is L in the upward width of the cylinder sleeve shaft, and A/3 < L < A/2.
4. body water jacket according to claim 2, which is characterized in that the internal diameter of the cylinder jacket is B, and the ontology is most
It is small with a thickness of S1, and the S1=0.06B.
5. body water jacket according to claim 4, which is characterized in that the wall thickness of the bottom of the cylinder jacket is S2, and
S2=0.25B.
6. body water jacket according to claim 2, which is characterized in that the ontology both ends upward in the cylinder sleeve shaft
Inner wall with the body is clearance fit.
7. body water jacket according to claim 2, which is characterized in that the annular groove is the arc-shaped arc of cross sectional shape
Connected in star.
8. a kind of diesel engine, including piston and body water jacket, which is characterized in that the body water jacket is to appoint in claim 1-7
Body water jacket described in meaning one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542495.4A CN107091164B (en) | 2017-07-05 | 2017-07-05 | A kind of diesel engine and its body water jacket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710542495.4A CN107091164B (en) | 2017-07-05 | 2017-07-05 | A kind of diesel engine and its body water jacket |
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| Publication Number | Publication Date |
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| CN107091164A CN107091164A (en) | 2017-08-25 |
| CN107091164B true CN107091164B (en) | 2019-09-27 |
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| CN201710542495.4A Active CN107091164B (en) | 2017-07-05 | 2017-07-05 | A kind of diesel engine and its body water jacket |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457763B (en) * | 2018-03-23 | 2020-03-24 | 贵州吉利发动机有限公司 | Engine cylinder sleeve |
| CN109083760A (en) * | 2018-08-17 | 2018-12-25 | 全椒县全动机械有限公司 | A kind of cylinder jacket of diesel engine and preparation method thereof |
| CN109958544A (en) * | 2019-05-07 | 2019-07-02 | 哈尔滨工程大学 | A kind of wet liner having good heat transfer and sealing performance |
| WO2021126943A1 (en) | 2019-12-17 | 2021-06-24 | Cummins Inc. | Profiled cylinder liner for bore distortion control |
| CN112267951B (en) * | 2020-10-20 | 2022-06-14 | 安庆中船柴油机有限公司 | Auxiliary device for marine diesel engine |
| CN112081680B (en) * | 2020-10-20 | 2022-03-15 | 安庆中船柴油机有限公司 | Wet cylinder sleeve of single-cylinder horizontal diesel engine |
| CN115163324B (en) * | 2022-08-29 | 2024-04-16 | 潍柴动力股份有限公司 | Cylinder assembly and internal combustion engine |
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| US4926801A (en) * | 1987-12-22 | 1990-05-22 | Mack Trucks, Inc. | Wet/dry cylinder liner for high output engines |
| JP2010071247A (en) * | 2008-09-19 | 2010-04-02 | Hino Motors Ltd | Cooling device of cylinder liner and the cylinder liner |
| CN105508072A (en) * | 2016-01-13 | 2016-04-20 | 河南中原吉凯恩气缸套有限公司 | Half-dry type cylinder sleeve |
| CN105781773A (en) * | 2016-04-27 | 2016-07-20 | 江苏四达动力机械集团有限公司 | Dry-wet mixing form air cylinder sleeve and air cylinder body structure |
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| US4926801A (en) * | 1987-12-22 | 1990-05-22 | Mack Trucks, Inc. | Wet/dry cylinder liner for high output engines |
| JP2010071247A (en) * | 2008-09-19 | 2010-04-02 | Hino Motors Ltd | Cooling device of cylinder liner and the cylinder liner |
| CN105508072A (en) * | 2016-01-13 | 2016-04-20 | 河南中原吉凯恩气缸套有限公司 | Half-dry type cylinder sleeve |
| CN105781773A (en) * | 2016-04-27 | 2016-07-20 | 江苏四达动力机械集团有限公司 | Dry-wet mixing form air cylinder sleeve and air cylinder body structure |
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