Collecting-rod of internal-combustion engine and method for manufacturing same
A technology of internal combustion engine and connecting rod, applied in the direction of connecting rod, mechanical equipment, shaft and bearing, etc., can solve the problems of no rigidity, reducing favorable effect, increasing the weight of connecting rod, etc., to achieve the effect of high rigidity and light weight
Inactive Publication Date: 2008-04-16
TOYOTA JIDOSHA KK
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Problems solved by technology
However, this leads to an increase in the weight of the connecting rod, which reduces the beneficial effect of using the aforementioned lightweight alloys
[0008] Also, in the structure described in the above JP-A-63-199916, the small end and the big end may not have sufficient rigidity
Method used
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The present invention provides a connecting bar, wherein a small end component (2A) forming the small end (2), a pole component (4A) forming the pole section (4) and a large end component (3A) forming the large end (3) are formed separately as separate component. In addition said small end component (2A) and said large end component (3A) both are produced from high rigidity material, and said pole component (4A) is produced from high intensity material. Theses components are jointed by liquid phase joint integrally, thus a connecting bar capable of restraining stress concentration can be provided.
Description
technical field [0001] The present invention relates to a connecting rod used in an internal combustion engine such as an automobile engine, and more particularly, to a connecting rod formed by compounding different kinds of materials, and a method of manufacturing the connecting rod. Background technique [0002] As disclosed in Japanese Patent Application Nos. JP-A-2000-179535 and JP-A-2001-18056, in an internal combustion engine such as an automobile engine, a piston and a crankshaft are connected to each other by a connecting rod, and during the combustion stroke the air The explosive force of the fuel mixture is transmitted to the crankshaft via the piston and connecting rod. [0003] As shown in FIG. 9, the above connecting rod generally includes a small end b on the piston side, a large end c on the crankshaft side, and a column portion d connected between the small end b and the large end c. Further, a piston pin hole b1 into which a piston pin connecting the piston...
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IPC IPC(8): F16C7/02
CPCF16C7/023Y10T29/4929Y10T74/2162
Inventor 安原淳一羽山健二
Owner TOYOTA JIDOSHA KK