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An integral cylinder body of liquid-cooled type internal combustion engine and a mould for manufacturing thereof

A technology of overall structure and cylinder block, which is applied in the direction of manufacturing tools, casting molds, cylinders, etc., and can solve the problems of uneven cooling and symmetry of cylinders

Inactive Publication Date: 2015-06-10
STEYR MOTORS GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the cooling of the cylinders is not equal and symmetrical

Method used

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  • An integral cylinder body of liquid-cooled type internal combustion engine and a mould for manufacturing thereof
  • An integral cylinder body of liquid-cooled type internal combustion engine and a mould for manufacturing thereof
  • An integral cylinder body of liquid-cooled type internal combustion engine and a mould for manufacturing thereof

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Experimental program
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Embodiment Construction

[0025] exist figure 1 , the cylinder block is generally designated by reference numeral 1. The cylinder block 1 includes a cylinder part 2 and a cover part 3 integrally formed therewith. The cylinder part 2 includes several cylinders which are respectively composed of cylinder walls 4 and cylinder bases 5 . The circumference of the cylinder wall 4 is jointly washed by a first cooling water cavity 6 , and the first cooling water cavity 6 is surrounded by a cooling jacket 7 . The cylinder wall 4 , the cooling water cavity 6 and the cooling jacket 7 protrude from the cylinder seat at least at one point and form a raised portion 8 with a horizontal discharge hole 9 there. As used herein, the term "cooling water" refers to any cooling liquid.

[0026] The cooling jacket 7 constitutes the side wall on the cylinder side of the ducts whose surfaces extend in the longitudinal direction of the cylinder block 1 . exist figure 1 Among them, the distribution pipe 10 is constructed on ...

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Abstract

The invention relates to a liquid-cooled type air cylinder body (1) comprising a plurality of air cylinders encloses by a common cooling casing pipe (7). A first cooling water cavity (6) is arranged in the air cylinder body (1) in a position between the cooling casing pipe (7) and a plurality of circulating air cylinders. A second cooling water cavity (19) communicated with the first cooling water cavity (6) is arranged above the air cylinders (4, 5). To realize complete and uniform cooling of the air cylinders (4), a flow allocation pipe (10) and a flow concentration pipe (11) are installed on a longitudinal surface of the cooling casing pipe (7). The cooling casing pipe (7) separating the flow allocation pipe (10) and the first cooling water cavity (6) is provided with first through holes (24) associated with the air cylinders (4, 5). The flow concentration pipe (11) is communicated with the second cooling water cavity (19) above the flow concentration pipe (11) through a line of second through holes (28).

Description

technical field [0001] The invention relates to a cylinder block of a liquid-cooled internal combustion engine with an integral structure, which has a plurality of cylinders arranged in a line and surrounded by a common cooling jacket, wherein a first cooling water cavity is formed between the cooling jacket and each circulating cylinder , the second cooling water cavity is arranged above these cylinders and is in fluid communication with the first cooling water cavity, wherein on the longitudinal side of the cooling jacket, the distribution pipe is longitudinally installed on one side of the longitudinal surface of the cooling jacket, and the header Mounted longitudinally on the other side, the two pipes each have a connection for an external cooling circuit. [0002] In such an internal combustion engine, the cylinder block and the cylinder head are integrally formed. In this structure, the cylinder liner cannot be assembled. However, this type of construction allows for a...

Claims

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Application Information

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IPC IPC(8): F02F1/14B22C9/24B22D27/04
CPCB22C9/10B22C9/108F02F1/14F02F1/38B22C9/24B22D27/04
Inventor 伯恩哈德·雷施
Owner STEYR MOTORS GMBH
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