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Multifunctional sprocket wheel chamber integrating engine oil pump

A sprocket chamber and oil pump technology, which is applied in the field of sprocket chambers, can solve the problems of uncompact layout of diesel engines and large space occupied by sprocket chambers, and achieve lightweight design and compactness, compact design structure, and reduced volume effect

Active Publication Date: 2017-06-13
WUXI WOERFU AUTO TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a multi-functional sprocket chamber with an integrated oil pump to solve the problems in the prior art that the sprocket chamber occupies a large space and the layout of the diesel engine is not compact

Method used

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  • Multifunctional sprocket wheel chamber integrating engine oil pump
  • Multifunctional sprocket wheel chamber integrating engine oil pump
  • Multifunctional sprocket wheel chamber integrating engine oil pump

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Embodiment Construction

[0016] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

[0017] see Figure 1 to Figure 3 As shown, in this embodiment, a multifunctional sprocket chamber of an integrated oil pump includes a sprocket chamber body 1, and an installation cavity 2 is provided on the inner side of the sprocket chamber body 1, and a positioning bolt is installed in the installation chamber 2. Timing chains, guide rails and components 3 are installed, the outer bottom of the sprocket chamber body 1 is provided with an oil pump installation surface 4, and an oil pump oil inlet 5 is provided on the oil pump installation surface 4 to connect with the oil pump inlet. The port 5 is connected to the eccentric cavity 6, the eccentric cavity 6 is provided with a high-pressure oil cavity 7 and a low-pressure oil cavity 8, and the eccentric cavity 6 is installed with an oil pump inner r...

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Abstract

The invention discloses a multifunctional sprocket wheel chamber integrating an engine oil pump. The multifunctional sprocket wheel chamber comprises a sprocket wheel chamber body, wherein a timing chain, guide rails and a hydraulic tensioner assembly are mounted in the sprocket wheel chamber body; an engine oil pump mounting surface is arranged at the bottom of the outer side of the sprocket wheel chamber body; an engine oil pump oil inlet and an eccentric cavity body are formed in the engine oil pump mounting surface; a high-pressure oil cavity and a low-pressure oil cavity are formed in the eccentric cavity body; an engine oil pump inner rotor and an engine oil pump outer rotor are mounted in the eccentric cavity body; the engine oil pump inner rotor is connected onto a crankshaft, the crankshaft drives the engine oil pump inner rotor to rotate, the engine oil pump inner rotor drives the engine oil pump outer rotor to rotate, and an engine oil pump oil outlet is formed in the engine oil pump mounting surface. According to the multifunctional sprocket wheel chamber integrating the engine oil pump, the engine oil pump and accessories thereof are integrated on the sprocket wheel chamber, the structure is simple and compact, size of a diesel engine can be effectively reduced, and lightweight, compact and integrated design of the diesel engine is facilitated.

Description

technical field [0001] The invention relates to a sprocket chamber of a diesel engine, in particular to a multifunctional sprocket chamber integrating an oil pump. Background technique [0002] With the upgrading of diesel engine technology, the performance and structure requirements of diesel engine have been improved. At present, the structure of newly developed and designed diesel engines tends to be lightweight and compact, and most of them adopt the structure of double overhead camshafts. The timing transmission forms of diesel engines generally include gear transmission, timing belt transmission, chain transmission and other forms. Gear transmission is not suitable for use in a double overhead camshaft arrangement with a large center distance, and is not conducive to the lightweight design of a diesel engine. Belt and chain transmission are suitable for transmission with large center distance. Compared with the two, the service life and reliability of belt transmissi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02F7/00F02B67/06
CPCF02B67/06F02F7/0043F02F7/0068F02F2007/0097
Inventor 杨洪生王琪湛学勇孟祥山许福忠
Owner WUXI WOERFU AUTO TECH CO LTD