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Cylinder block of a liquid-cooled internal combustion engine of monolithic construction and a casting mold for its manufacture

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

Inactive Publication Date: 2017-06-16
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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  • Cylinder block of a liquid-cooled internal combustion engine of monolithic construction and a casting mold for its manufacture
  • Cylinder block of a liquid-cooled internal combustion engine of monolithic construction and a casting mold for its manufacture
  • Cylinder block of a liquid-cooled internal combustion engine of monolithic construction and a casting mold for its manufacture

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Experimental program
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Embodiment Construction

[0025] exist figure 1 In , the cylinder block is generally denoted 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 comprises a plurality of cylinders consisting of a cylinder wall 4 and a cylinder block 5, respectively. The surroundings of the cylinder wall 4 are jointly washed by the first cooling water chamber 6 , and the first cooling water chamber 6 is surrounded by a cooling jacket 7 . The cylinder wall 4 , the cooling water chamber 6 and the cooling jacket 7 protrude from the cylinder block at least in one place and each form a boss 8 with a horizontal discharge hole 9 there. In this context, the term "cooling water" means any cooling liquid.

[0026] The cooling jacket 7 constitutes the side wall on the cylinder side of the pipe extending along the length direction of the cylinder block 1 . exist figure 1 In this case, the distribution pipe 10 is constructed on the right sid...

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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 a monolithic structure, which has a plurality of cylinders arranged in a line and surrounded by a common cooling jacket, wherein a first cooling water chamber is formed between the cooling jacket and the circulating cylinders , the second cooling water chamber is arranged above these cylinders and is in fluid communication with the first cooling water chamber, wherein on the longitudinal side of the cooling jacket, the distribution pipe is installed on one side of the longitudinal surface of the cooling jacket along the longitudinal direction, and the collecting pipe Mounted longitudinally on the other side, the two pipes each have a connection for an external cooling circuit. [0002] In this internal combustion engine, the cylinder block is integrally formed with the cylinder head. In this structure, the cylinder liner cannot be assembled. However, this type ...

Claims

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Application Information

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