CN204663689U - A kind of cylinder block, motor and automobile - Google Patents

A kind of cylinder block, motor and automobile Download PDF

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Publication number
CN204663689U
CN204663689U CN201520356022.1U CN201520356022U CN204663689U CN 204663689 U CN204663689 U CN 204663689U CN 201520356022 U CN201520356022 U CN 201520356022U CN 204663689 U CN204663689 U CN 204663689U
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CN
China
Prior art keywords
hole
cylinder
radial direction
cylinder block
sleeve
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
Application number
CN201520356022.1U
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Chinese (zh)
Inventor
秦少博
宿朋
任剑
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Great Wall Motor Co Ltd
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Great Wall Motor Co Ltd
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Filing date
Publication date
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Priority to CN201520356022.1U priority Critical patent/CN204663689U/en
Application granted granted Critical
Publication of CN204663689U publication Critical patent/CN204663689U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of cylinder block, motor and automobile, relates to automobile technical field, to improve the fuel efficiency of motor.Cylinder block comprises cylinder block body, in cylinder block body, there is multiple cylinder barrel, be provided with a cylinder sleeve in each cylinder barrel, the barrel of each cylinder barrel near burning cavity side is provided with even number radial direction through hole, and even number radial direction through hole is in the region except the next door between adjacent two cylinder barrels; Even number radial direction through hole is relative between two, and two relative radial direction through hole are coaxial; The outer circumferential face of cylinder sleeve is provided with and radial direction through hole boss one to one, and boss is provided with the tapped hole coaxial with radial direction through hole, and one end of bolt is passed radial direction through hole and screws in tapped hole, and cylinder block body is fixedly connected with cylinder sleeve.Bolt is set between cylinder block body and cylinder sleeve, reduces the deformation space of cylinder sleeve, prevent cylinder sleeve from losing circle, thus improve the fuel efficiency of motor.The cylinder block that the utility model provides is applied to automobile.

Description

A kind of cylinder block, motor and automobile
Technical field
The utility model relates to automobile technical field, particularly a kind of cylinder block, motor and automobile.
Background technique
Cylinder block is the main body of motor, is the support framework installing piston, bent axle and other part and accessories.At present, for alleviating the overall weight of motor, the cast aluminium that increasing manufacturer starts to adopt density lower makes cylinder block, to alleviate the overall weight of motor.But because the hardness of cast aluminium cylinder block is lower, and the wear resistance of cast aluminium is poor, thus in order to increase the wear resistance of cylinder block, the cylinder sleeve with preferably wear resistance is set usually in the cylinder barrel of cylinder block, piston is positioned at cylinder sleeve, cylinder cap capping cylinder sleeve, cylinder sleeve, piston and cylinder cap surround the burning cavity of motor jointly.
Motor is in running, piston is reciprocating in cylinder sleeve, to compress the air entered in burning cavity, the air in burning cavity is made to form the air of High Temperature High Pressure because being compressed, spray into the fuel oil in burning cavity to burn under the effect of the air of High Temperature High Pressure, thus realize motor and externally do work, drive automobile.Air is compressed in burning cavity, and fuel oil is when cylinder sleeve combustion, and the temperature in the region near oil inflame in cylinder sleeve can raise, and the casing wall of cylinder sleeve near the region of oil inflame is expanded; And after engine stop runs, the temperature in cylinder sleeve is reduced to ambient temperature gradually, makes the casing wall of cylinder sleeve shrink.Therefore, motor is under arms in process, and cylinder sleeve can be subject to larger thermal shock, causes cylinder sleeve to be out of shape gradually, makes cylinder sleeve lose circle, the phenomenon leaked air between piston and cylinder sleeve, thus causes the fuel efficiency of motor to reduce.
Model utility content
In view of this, the utility model is intended to propose a kind of cylinder block, to solve because cylinder sleeve causes by thermal shock occurs to lose circle the technical problem that the fuel efficiency of motor reduces.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of cylinder block, comprise cylinder block body, in described cylinder block body, there is multiple cylinder barrel, a cylinder sleeve is provided with in each described cylinder barrel, the barrel of each described cylinder barrel near burning cavity side is provided with even number radial direction through hole, radial direction through hole described in even number is in the region except the next door between adjacent two described cylinder barrels, and radial direction through hole described in even number is relative between two, and two relative described radial direction through hole are coaxial;
The outer circumferential face of described cylinder sleeve is provided with and each described radial direction through hole boss one to one, described boss is provided with the tapped hole coaxial with described radial direction through hole, one end of bolt is passed described radial direction through hole and screws in described tapped hole, and described cylinder block body is fixedly connected with described cylinder sleeve.
Preferably, the quantity of described radial direction through hole is four, the axis of four described radial direction through hole is positioned on the same radial cross section of described cylinder barrel, and four described radial direction through hole are evenly distributed on the region of barrel except the next door between adjacent two described cylinder barrels of described cylinder barrel.
Preferably, be provided with clamping sleeve in described radial direction through hole, be provided with the tapped through hole coaxial with described radial direction through hole in described clamping sleeve, described tapped through hole is identical with the diameter of described tapped hole;
During installation, one end of described clamping sleeve offsets through described radial direction through hole and described boss, with described tapped through hole and described tapped hole screw-thread fit while of described bolt.
Preferably, described clamping sleeve and described radial direction through hole are interference fit.
Further, described boss is cylindrical body boss, trapezoidal cone boss or cross boss.
Preferably, seal ring is provided with between described clamping sleeve and described cylinder block body.
Preferably, described bolt is provided with thread locking glue.
Preferably, the inwall of described cylinder sleeve is honing face, and described honing face is provided with the honing line for storing machine oil.
Relative to prior art, cylinder block described in the utility model has following advantage:
In the cylinder block that the utility model provides, multiple bolt facing each other is set between cylinder block body and cylinder sleeve, cylinder block body is fixedly connected with cylinder sleeve, therefore, motor is in running, piston is to-and-fro motion in cylinder sleeve, and fuel oil burns in burning cavity, temperature in cylinder sleeve is raised, thus the temperature of the casing wall of cylinder sleeve raises, the casing wall of cylinder sleeve can raise and outwards expand by Yin Wendu, but has the effect of compacting due to the casing wall of bolt facing each other to cylinder sleeve, thus the degree that the casing wall of cylinder sleeve is outwards expanded reduces; After engine stop runs, temperature in cylinder sleeve reduces gradually, now the temperature of the casing wall of cylinder sleeve also reduces gradually, the casing wall of cylinder sleeve can reduce and inwardly shrink by Yin Wendu, but because the casing wall of bolt facing each other to cylinder sleeve has the effect be pulled outwardly, thus the degree making the casing wall of cylinder sleeve inwardly shrink reduces.Therefore, cast compared with in cylinder barrel with only cylinder sleeve being buried in prior art, the cylinder block that the utility model provides can reduce the deformation space of the casing wall of cylinder sleeve, reduce the motor degree of distortion of casing wall because causing by thermal shock of cylinder sleeve in process under arms, thus can reduce cylinder sleeve and produce the generation of losing circle phenomenon, prevent the phenomenon leaked air between piston and cylinder sleeve, thus improve the fuel efficiency of motor.
Another object of the present utility model is to propose a kind of motor, to solve because cylinder sleeve causes by thermal shock occurs to lose circle the technical problem that the fuel efficiency of motor reduces.For achieving the above object, the technical solution of the utility model is achieved in that
A kind of motor, described motor is provided with the cylinder block described in technique scheme.
The Dominant Facies that described motor and above-mentioned cylinder block have relative to prior art is same, does not repeat them here.
Another object of the present utility model is to propose a kind of automobile, to solve because cylinder sleeve causes by thermal shock occurs to lose circle the technical problem that the fuel efficiency of motor reduces.For achieving the above object, the technical solution of the utility model is achieved in that
A kind of automobile, described automobile is provided with the motor described in technique scheme.
The Dominant Facies that described automobile and above-mentioned motor have relative to prior art is same, does not repeat them here.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of the cylinder block described in the utility model embodiment;
Fig. 2 is the sectional view in A-A direction in Fig. 1;
Fig. 3 is the front view of the cylinder sleeve described in the utility model embodiment;
Fig. 4 is the side view of the cylinder sleeve described in the utility model embodiment;
Fig. 5 is the structural representation of the clamping sleeve described in the utility model embodiment.
Description of reference numerals:
10-cylinder block body, 11-cylinder barrel,
12-radial direction through hole, 20-cylinder sleeve,
21-boss, 22-tapped hole,
30-bolt, 40-clamping sleeve,
41-tapped through hole, 50-seal ring.
Embodiment
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Refer to Fig. 1 and Fig. 2, the cylinder block that the utility model embodiment provides comprises cylinder block body 10, there is in cylinder block body 10 multiple cylinder barrel 11, a cylinder sleeve 20 is provided with in each cylinder barrel 11, the barrel of each cylinder barrel 11 near burning cavity side is provided with even number radial direction through hole 12, even number radial direction through hole 12 is in the region except the next door between adjacent two cylinder barrels 11, and even number radial direction through hole 12 is relative between two, and two relative radial direction through hole 12 are coaxial; The outer circumferential face of cylinder sleeve 20 be provided with each radial direction through hole 12 one to one boss 21 boss 21 be provided with the tapped hole 22 coaxial with radial direction through hole 12, one end of bolt 30 is passed radial direction through hole 12 and screws in tapped hole 22, and cylinder block body 10 is fixedly connected with cylinder sleeve 20.
During concrete enforcement, first cylinder sleeve 20 is cast together with boss 21, or weld together again after respectively cylinder sleeve 20 and boss 21 being cast, then cylinder sleeve 20 and boss 21 are buried casting in the cylinder barrel 11 of cylinder block body 10, then the tapped hole 22 that processing is coaxial with radial direction through hole 12 on boss 21, then bolt 30 is passed radial direction through hole 12, and bolt 30 is screwed in tapped hole 22.
When the cylinder block using above-described embodiment to provide, motor is in running, piston is reciprocating in cylinder sleeve 20, and fuel oil is in burning cavity combustion, temperature in cylinder sleeve 20 is raised, and thus the temperature of the casing wall of cylinder sleeve 20 raises, and makes the casing wall Yin Wendu of cylinder sleeve 20 raise and outwards expand, but the casing wall due to the bolt 30 pairs of cylinder sleeves 20 be oppositely arranged between two has the effect of compacting, thus the degree that the casing wall of cylinder sleeve 20 is outwards expanded reduces; After engine stop runs, temperature in cylinder sleeve 20 reduces gradually, now the temperature of the casing wall of cylinder sleeve 20 also reduces gradually, the casing wall Yin Wendu of cylinder sleeve 20 is made to reduce and inwardly shrink, but because the casing wall being oppositely arranged bolt 30 pairs of cylinder sleeves 20 between two has the effect be pulled outwardly, thus the degree making the casing wall of cylinder sleeve 20 inwardly shrink reduces.Therefore, cast compared with in cylinder barrel 11 with only cylinder sleeve being buried in prior art, the cylinder block that the utility model embodiment provides can reduce the deformation space of the casing wall of cylinder sleeve 20, reduce the motor degree of distortion of casing wall because causing by thermal shock of cylinder sleeve 20 in process under arms, thus can reduce cylinder sleeve and produce the generation of losing circle phenomenon, prevent the phenomenon leaked air between piston and cylinder sleeve, thus improve the fuel efficiency of motor.
In addition, the cylinder block provided due to the utility model embodiment can reduce the generation that cylinder sleeve 20 produces mistake circle phenomenon, thus can prevent from causing the machine oil on the inwall of cylinder sleeve 20 to be dispelled because leaking gas between piston and cylinder sleeve 20, insufficient lubrication between the inwall preventing from being caused piston and cylinder sleeve 20 by dispelling because of the machine oil on the inwall of cylinder sleeve 20, when piston repeatedly moves in cylinder sleeve 20, thus can prevent from causing the inwall of cylinder sleeve 20 to be pulled because of insufficient lubrication between piston and the inwall of cylinder sleeve 20.Moreover, radial direction through hole 12 is passed in one end of bolt 30 and makes bolt 30 screw in tapped hole 22, the position of cylinder sleeve 20 in the cylinder barrel 11 of cylinder block body 10 is fixed, when piston is reciprocating in cylinder sleeve 20, thus can prevents because cylinder sleeve 20 is driven and cause the position of cylinder sleeve 20 in the cylinder barrel 11 of cylinder block body 10 to change.
It is worth mentioning that, region corresponding with radial direction through hole 12 on the outer circumferential face of cylinder sleeve 20 is provided with boss 21, boss 21 is provided with the tapped hole 22 coaxial with radial direction through hole 12, one end of bolt 30 is passed radial direction through hole 12 and screws in tapped hole 22, the setting of boss 21, can avoid causing the wall unevenness of cylinder sleeve 20 even because of machining screw direct on the casing wall of cylinder sleeve 20, the wall unevenness because of cylinder sleeve 20 thus can be prevented even and cause cylinder sleeve 20 being subject to less thermal shock or external force just deforms.
In the above-described embodiments, limited the deformation space of the casing wall of cylinder sleeve 20 by bolt 30, the quantity of bolt 30 can be arranged according to specific needs.In the utility model embodiment, please continue to refer to Fig. 1, at the region uniform intervals except the next door between adjacent two cylinder barrels 11, four radial direction through hole 12 are set, the axis of four radial direction through hole 12 is positioned on the same radial cross section of cylinder barrel 11, and four radial direction through hole 12 are relative between two, and arrange and each radial direction through hole 12 boss 21 one to one on the outer circumferential face of cylinder sleeve 20, then four bolts 30 are set and are each passed through corresponding radial direction through hole 12 and screw in the tapped hole 22 of corresponding boss 21.Design like this, can make the casing wall of cylinder sleeve 20 when being subject to thermal shock and deforming, and the restraint that the casing wall of cylinder sleeve 20 is subject to bolt 30 comparatively balances, and can prevent the quantity because of radial direction through hole 12 and boss 21 from too much causing processing difficulties simultaneously.
In order to reduce the deformation space of the casing wall of cylinder sleeve 20 further, please continue to refer to Fig. 1 and Fig. 5, be provided with clamping sleeve 40 in radial direction through hole 12, be provided with the tapped through hole 41 coaxial with radial direction through hole 12 in clamping sleeve 40, tapped through hole 41 is identical with the diameter of tapped hole 22; During installation, one end of clamping sleeve 40 offsets through radial direction through hole 12 and boss 21, with tapped through hole 41 and tapped hole 22 screw-thread fit while of bolt 30.Motor operationally, temperature in cylinder sleeve 20 raises, the temperature of the casing wall of cylinder sleeve 20 increases, the casing wall Yin Wendu of cylinder sleeve 20 is made to raise and outwards expand, because clamping sleeve 40 and boss 21 offset, thus the casing wall of clamping sleeve 40 pairs of cylinder sleeves 20 can be suppressed further, and the deformation space of the casing wall of cylinder sleeve 20 is reduced, thus can reduce cylinder sleeve 20 produces the phenomenon losing circle generation because of heat-shock, thus improve the fuel efficiency of motor further.
It is worth mentioning that, when clamping sleeve 40 coordinates with radial direction through hole 12, on the outer circumferential face of clamping sleeve 40 and on the hole wall of radial direction through hole 12, can arrange screw thread respectively, clamping sleeve 40 and radial direction through hole 12 pass through screw-thread fit; Also can be arrange screw thread respectively not on the outer circumferential face of clamping sleeve 40 and on the hole wall of radial direction through hole 12, clamping sleeve 40 directly coordinates with radial direction through hole 12.In the utility model embodiment, on the outer circumferential face of clamping sleeve 40 and on the hole wall of radial direction through hole 12, screw thread is not set respectively.
In order to improve the tightness degree coordinated between clamping sleeve 40 with radial direction through hole 12, please continue to refer to Fig. 1 and Fig. 4, clamping sleeve 40 and radial direction through hole 12 are interference fit, and namely the outside diameter of clamping sleeve 40 is slightly larger than the diameter of radial direction through hole 12.Design like this, make to coordinate between clamping sleeve 40 with radial direction through hole 12 tightr, cylinder sleeve 20 clamping sleeve 40 outwards ejected and causes clamping sleeve 40 to detach radial direction through hole 12 when thus can be prevented to be subject to thermal shock backward outer expansion, thus reduce the deformation space of cylinder sleeve 20 further, and then improve the fuel efficiency of motor.
In the above-described embodiments, the shape of boss 21 can be multiple, such as, and cylindrical body boss, trapezoidal cone boss or cross boss.Refer to Fig. 4, in the cylinder block that the utility model embodiment provides, boss 21 is cross boss.
When arranging dry cylinder liner in the cylinder barrel 11 of cylinder block body 10, water jacket is provided with between cylinder block body 10 and cylinder sleeve 20, in order to the cooling liquid in anti-water-baffling sleeve is oozed out between clamping sleeve 40 and cylinder block body 10, preferably, please continue to refer to Fig. 1 and Fig. 2, between clamping sleeve 40 and cylinder block body 10, be provided with seal ring 50.The setting of seal ring 50, can the cooling liquid in anti-water-baffling sleeve ooze out between clamping sleeve 40 and cylinder block body 10, thus can prevent because the cooling liquid in water jacket causes cooling liquid to be deteriorated to the cooling effect of cylinder sleeve 20 from oozing out between clamping sleeve 40 and cylinder block body 10, thus the combustion efficiency of motor can be improved.
In order to the reliability that the distortion of the casing wall improving bolt 30 pairs of cylinder sleeves 20 limits, in the utility model embodiment, bolt 30 is provided with thread locking glue.During concrete enforcement, by bolt 30 through tapped through hole 41, make before bolt 30 is threaded with tapped through hole 41 and tapped hole 22 respectively, bolt 30 is provided with thread locking glue, bolt 30 can be made to be fastenedly connected with tapped through hole 41 and tapped hole 22 respectively, when preventing the casing wall of cylinder sleeve 20 from repeatedly expanding and shrinking, the power acted on bolt 30 causes loosening of bolt 30, thus the reliability that the distortion improving the casing wall of bolt 30 pairs of cylinder sleeves 20 limits; In addition, bolt 30 is coated with thread locking glue, be fastenedly connected with tapped through hole 41 and tapped hole 22 respectively to make bolt 30, the deformation space when casing wall that can reduce cylinder sleeve 20 is because outwards expanding by thermal shock or inwardly shrink, the deformation space of further reduction cylinder sleeve, thus improve the fuel efficiency of motor further.
In the utility model embodiment, the inwall of cylinder sleeve 20 is honing face, and honing face is provided with the honing line for storing machine oil.Cylinder sleeve 20 and boss 21 are buried casting in the cylinder barrel 11 of cylinder block body 10, and by after seal ring 50, clamping sleeve 40 and bolt 30 respectively installation, honing is carried out to the inwall of cylinder sleeve 20, and on the inwall of cylinder sleeve 20, process honing line, to store machine oil, the oil level on the inwall of cylinder sleeve 20 can be prevented not enough and cause piston and cylinder sleeve 20 inwall between insufficient lubrication, and then cause the inwall of cylinder sleeve 20 to be pulled by the piston repeatedly moved.
The utility model embodiment also provides a kind of motor, and described motor is provided with the cylinder block as described in technique scheme.
The Dominant Facies that described motor and above-mentioned cylinder block have relative to prior art is same, does not repeat them here.
The utility model embodiment also provides a kind of automobile, and described automobile is provided with the motor as described in technique scheme.
The Dominant Facies that described automobile and above-mentioned motor have relative to prior art is same, does not repeat them here.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (10)

1. a cylinder block, comprise cylinder block body (10), in described cylinder block body (10), there is multiple cylinder barrel (11), a cylinder sleeve (20) is provided with in each described cylinder barrel (11), it is characterized in that, the barrel of each described cylinder barrel (11) near burning cavity side is provided with even number radial direction through hole (12), radial direction through hole described in even number (12) is positioned at the region except the next door between adjacent two described cylinder barrels (11), radial direction through hole described in even number (12) is relative between two, two relative described radial direction through hole (12) are coaxial,
The outer circumferential face of described cylinder sleeve (20) is provided with and each described radial direction through hole (12) boss (21) one to one, described boss (21) is provided with the tapped hole (22) coaxial with described radial direction through hole (12), one end of bolt (30) is passed described radial direction through hole (12) and screws in described tapped hole (22), and described cylinder block body (10) is fixedly connected with described cylinder sleeve (20).
2. cylinder block according to claim 1, it is characterized in that, the quantity of described radial direction through hole (12) is four, the axis of four described radial direction through hole (12) is positioned on the same radial cross section of described cylinder barrel (11), and four described radial direction through hole (12) are evenly distributed on the region of barrel except the next door between adjacent two described cylinder barrels (11) of described cylinder barrel (11).
3. cylinder block according to claim 1, it is characterized in that, clamping sleeve (40) is provided with in described radial direction through hole (12), be provided with the tapped through hole (41) coaxial with described radial direction through hole (12) in described clamping sleeve (40), described tapped through hole (41) is identical with the diameter of described tapped hole (22);
During installation, one end of described clamping sleeve (40) offsets through described radial direction through hole (12) and described boss (21), with described tapped through hole (41) and described tapped hole (22) screw-thread fit the while of described bolt (30).
4. cylinder block according to claim 3, is characterized in that, described clamping sleeve (40) and described radial direction through hole (12) are interference fit.
5. cylinder block according to claim 1, is characterized in that, described boss (21) is cylindrical body boss, trapezoidal cone boss or cross boss.
6. cylinder block according to claim 3, is characterized in that, is provided with seal ring (50) between described clamping sleeve (40) and described cylinder block body.
7., according to the arbitrary described cylinder block of claim 1-6, it is characterized in that, described bolt (30) is provided with thread locking glue.
8. cylinder block according to claim 7, is characterized in that, the inwall of described cylinder sleeve (20) is honing face, and described honing face is provided with the honing line for storing machine oil.
9. a motor, is characterized in that, described motor be provided with as arbitrary in claim 1-8 as described in cylinder block.
10. an automobile, is characterized in that, described automobile is provided with motor as claimed in claim 9.
CN201520356022.1U 2015-05-28 2015-05-28 A kind of cylinder block, motor and automobile Expired - Fee Related CN204663689U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520356022.1U CN204663689U (en) 2015-05-28 2015-05-28 A kind of cylinder block, motor and automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520356022.1U CN204663689U (en) 2015-05-28 2015-05-28 A kind of cylinder block, motor and automobile

Publications (1)

Publication Number Publication Date
CN204663689U true CN204663689U (en) 2015-09-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520356022.1U Expired - Fee Related CN204663689U (en) 2015-05-28 2015-05-28 A kind of cylinder block, motor and automobile

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105604722A (en) * 2016-01-25 2016-05-25 重庆长安汽车股份有限公司 Non-cylinder-sleeve aluminium alloy engine cylinder body and machining method thereof
DE102019204093A1 (en) * 2019-03-26 2020-10-01 Ford Global Technologies, Llc Cylinder block and reciprocating internal combustion engine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105604722A (en) * 2016-01-25 2016-05-25 重庆长安汽车股份有限公司 Non-cylinder-sleeve aluminium alloy engine cylinder body and machining method thereof
DE102019204093A1 (en) * 2019-03-26 2020-10-01 Ford Global Technologies, Llc Cylinder block and reciprocating internal combustion engine

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150923