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Cylinder sleeve, engine and vehicle

A cylinder liner and engine technology, applied in engine components, machines/engines, cylinders, etc., can solve problems such as difficulty in improving piston damage, and achieve the effects of simple structure, improved compression resistance, and uniform stress and deformation.

Pending Publication Date: 2019-07-09
昆山三一动力有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is difficult to improve the damage of the piston to the inner wall of the cylinder liner with the traditional cylindrical cylinder liner

Method used

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  • Cylinder sleeve, engine and vehicle
  • Cylinder sleeve, engine and vehicle
  • Cylinder sleeve, engine and vehicle

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Embodiment Construction

[0044] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0045] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the protection scope of the present invention is not limited by the specific implementation disclosed below. Example limitations.

[0046] Refer below Figure 1 to Figure 5 The cylinder liner 12 and the engine 100 proposed according to some embodiments of the present invention will be described.

[0047] The present invention proposes a...

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Abstract

The invention provides a cylinder sleeve, an engine and a vehicle. The cylinder sleeve is in a cylinder shape, the inner wall of the cylinder sleeve is divided into a thrust surface and a non-thrust surface, and the wall thickness of the cylinder sleeve at the thrust surface is larger than that at the non-thrust surface. According to the cylinder sleeve, the engine and the vehicle, the wall thickness of the cylinder sleeve is improved, so that the wall thickness of the cylinder sleeve at the thrust surface is larger than the wall thickness at the non-thrust surface, the problem of unbalanced stress of the cylinder sleeve is solved, the purpose of uniform stress deformation of the cylinder sleeve in the circumferential direction can be achieved, and the service life of the cylinder sleeve is prolonged.

Description

technical field [0001] The invention relates to the technical field of engine parts, in particular, to a cylinder liner, an engine and a vehicle. Background technique [0002] The cylinder liner is a cylindrical part, which is placed in the cylinder block hole of the machine body, and the upper part of the cylinder liner is pressed and fixed by the cylinder head. The piston reciprocates in its inner hole and is cooled by cooling water outside. The inner surface of the cylinder liner is directly affected by high-temperature and high-pressure gas, and always has high-speed sliding friction with the piston ring and piston skirt. [0003] The piston of the engine slides on the surface of the cylinder liner at high speed, causing the inner wall of the cylinder liner to be strongly rubbed. The inner wall of the cylinder liner is one of the most worn surfaces in an engine and one of the most important surfaces in determining an engine overhaul period. The temperature difference ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02F1/00F02F1/10
CPCF02F1/004F02F1/10
Inventor 罗亚刚钱汉生李昊
Owner 昆山三一动力有限公司
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