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Cylinder of engine

A technology of engine cylinders and cylinders, which is applied in the direction of engine components, machines/engines, cylinders, etc., can solve the problems of affecting engine performance, engine space layout, and large negative impact on light weight, so as to improve manufacturing economy and reduce the amount of machining , The effect of reducing manufacturing costs

Inactive Publication Date: 2007-12-19
CHERY AUTOMOBILE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the above two processing methods have a great negative impact on the engine space layout and light weight, and affect the performance of the engine

Method used

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  • Cylinder of engine
  • Cylinder of engine

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Embodiment Construction

[0024] The technical solution provided by the present invention is an engine cylinder block, including a cylinder skirt 10, a main bearing, a crankcase discharge passage 5 and an oil return passage 3, and the cylinder skirt 10 has a spherical shape. The spherical cylinder skirt 10 is provided with reinforcing ribs. The reinforcing rib is in a figure-eight shape. The cylinder skirt 10 is a two-piece design, and the cylinder skirt 10 extends below the main bearing. The two-part design makes the cylinder skirt 10 form a closed body after assembly; the crankcase discharge passage 5 is provided with a crankcase discharge passage 5 inlet, and the crankcase discharge passage 5 inlet is arranged in the cylinder The lowermost end of body 7. The crankcase drainage channel 5 increases in length. The oil return passage 3 is provided with an outlet of the oil return passage 3, and the outlet of the oil return passage 3 is arranged at the lowermost end of the cylinder block 7. The engine...

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Abstract

The present invention discloses an engine cylinder block. It includes the following several portions: cylinder skirt portion, main bearing, crankcase emission channel and oil return pipe. The described cylinder skirt portion has a spherical form, and on the spherical cylinder skirt portion a strengthen rib is set.

Description

technical field [0001] The invention belongs to the technical field of motor vehicle power assembly manufacturing, and in particular relates to an engine cylinder block used in automobiles. Background technique [0002] Traditionally, there are two ways to deal with the design of increasing the strength of the engine cylinder block, one is to use thicker wall thickness; the other is to increase the ribs. However, the above two processing methods have a relatively large negative impact on the spatial arrangement and lightweight of the engine, and affect the performance of the engine. [0003] In addition, due to the mandatory requirements of the national emission regulations, the crankcase emissions are basically all forced internal circulation, but different layouts have different effects on the strength of the engine cylinder block, and the manufacturing process of the engine cylinder block is also different. Contents of the invention [0004] The technical problem to be...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02F1/00F02F7/00
Inventor 张育春
Owner CHERY AUTOMOBILE CO LTD