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Connecting rod-piston assembly comprising a connecting rod having a spherical small end

An assembly and connecting rod technology, applied in the direction of piston, piston rod, cylindrical piston, etc., can solve complex assembly and other problems, achieve the effects of simplified production, optimized formulation and design, and saved storage space

Inactive Publication Date: 2016-11-09
GKN POWDER METALLURGY ENG GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The disadvantage of such a connecting rod-piston combination with a connecting rod with a ball head is that it is complicated to fit together due to the structure of the piston, the shape of the connecting rod body and the use of springs.

Method used

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  • Connecting rod-piston assembly comprising a connecting rod having a spherical small end
  • Connecting rod-piston assembly comprising a connecting rod having a spherical small end
  • Connecting rod-piston assembly comprising a connecting rod having a spherical small end

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Embodiment Construction

[0038] figure 1 An isometric view of the connecting rod-piston assembly 10 is shown. The connecting rod-piston assembly 10 comprises a connecting rod body 12 , a ball 24 , a piston 14 , a fastening element 16 in the form of a ring, and a thrust ring 18 . The connecting rod body 12 , the ball 24 , the piston 14 and the fastening element 16 can each be produced by powder metallurgy methods, whereby they can be produced cost-effectively and machining of the individual components can largely be dispensed with. The connecting rod body 12 has a pin 20 in the form of a T-pin at its side facing the ball 24 . Such a pin 10 can be accommodated in a recess 22 of a ball 24 . The connecting rod with the ball head is formed by fitting together the pin 20 with the notch 22 . To secure the connecting rod body 12 in the ball 24, the thrust ring 18 is fixed at the connecting rod body 12 after fitting together. To form the connecting rod-piston assembly 10 , a ball 24 is inserted into the pi...

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Abstract

The present invention relates to a connecting rod comprising a small spherical small end having a ball (24) and a main rod (12). The ball (24) and the main rod (12) are designed as individual parts and form, when assembled, a connecting rod having a spherical small end.

Description

technical field [0001] The invention relates to a connecting rod-piston assembly having a connecting rod with a ball head, a method for producing the connecting rod-piston assembly and the use of the connecting rod-piston assembly in a refrigerant compressor application. Background technique [0002] German Patent DE 749 285 discloses the articulation of a connecting rod body provided with a spherical head on a non-metallic one-piece piston. The piston has an oval opening into which the connecting rod body is introduced. The connecting rod body has two cross-arranged hemispherical washers at the head end, which are separated from each other by the shank. The connecting rod head is guided in the cavity of the piston body on the bottom side of its provided spherical surface and is pressed flexibly against the guide surface of the piston body under the action of a spring. [0003] A disadvantage of such a connecting rod-piston combination with a connecting rod with a ball he...

Claims

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Application Information

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IPC IPC(8): F16J1/22F16J7/00
CPCF16J1/22F16J7/00F04B39/0022
Inventor A.卡泽拉斯M.因纳比希勒N.因纳霍费尔
Owner GKN POWDER METALLURGY ENG GMBH
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