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Airframe group for engine and engine having same airframe group

An engine and airframe technology, applied in the direction of engine components, machines/engines, mechanical equipment, etc., to achieve the effect of improving fuel economy and power output performance, efficient operation, and increasing strength and stiffness

Active Publication Date: 2017-10-13
GREAT WALL MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For this reason, an object of the present invention is to propose a kind of body group that is used for engine, and this body group has light weight, volume is small, and can effectively improve the deformation problem of cylinder

Method used

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  • Airframe group for engine and engine having same airframe group
  • Airframe group for engine and engine having same airframe group
  • Airframe group for engine and engine having same airframe group

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Embodiment Construction

[0037] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0038] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation or position indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. The relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the descrip...

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Abstract

The invention discloses a body group for an engine and an engine with the body group. The body group includes: cylinder head; cylinder block, the inner wall surface of the cylinder wall of the cylinder is a cylindrical wall surface, the cross section of the cylinder wall is ring-shaped, and the ring is divided into four arc-shaped sections connected in sequence along the circumferential direction, each arc-shaped The segment is further divided into the first segment, the second segment and the third segment. The first segment corresponds to a central angle of α1 and a wall thickness of h1, the second segment corresponds to a central angle of α2 and a wall thickness of h2, and the third segment corresponds to The central angle is α3 and the wall thickness is h3, wherein the third segment of each arc segment is farthest from the longitudinal centerline of the engine, and the first segment of each arc segment is the closest to the longitudinal centerline, where α1, α2 and α3 satisfies the relational expression: α1+α2+α3=90°; h1, h2 and h3 satisfy one of the following relational expressions: h1<h2≤h3, h1≤h2<h3. The body group of the invention has light weight and small volume, and can effectively improve the deformation problem of the cylinder.

Description

technical field [0001] The invention relates to the field of automobiles, in particular to a body group for an engine and an engine with the body group. Background technique [0002] The block group of the engine includes the cylinder head, cylinder head gasket, cylinder block and oil pan. A plurality of cylinders are formed in the cylinder body, and the piston can perform reciprocating linear motion in the cylinders. When the engine works in a cycle, especially for the compression stroke and the power stroke, the piston will exert a large force on the cylinder wall, and the cylinder wall is prone to deformation under the action of this force for a long time, thereby reducing the fuel economy, power and performance of the engine. Emission performance, resulting in poor performance of the engine. [0003] Existing solutions to the problem of cylinder deformation are generally to increase the thickness of the cylinder wall as a whole to make the thickness of the cylinder wal...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02F1/24F02F1/18
Inventor 鲁志远张春辉高定伟常进才康志强马帅营王超张宝东周硕王云超卢丰翥
Owner GREAT WALL MOTOR CO LTD
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