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tensioner for camshaft‑camshaft chain drives

A camshaft, tensioner technology, applied in the direction of belt/chain/gear, transmission, engine components, etc., to achieve the effect of reliable operation

Active Publication Date: 2017-11-03
IWIS MOTORSYSTEME GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although this tensioner and others known from the prior art have proven successful in use, especially when used in timing chain drives for internal combustion engines, there are often modifications or revisions that require structural design The use of the basic idea

Method used

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  • tensioner for camshaft‑camshaft chain drives
  • tensioner for camshaft‑camshaft chain drives
  • tensioner for camshaft‑camshaft chain drives

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0060] The perspective side view of a chain drive 1 clearly shows a typical structural design of a camshaft-camshaft chain drive 1 for coupling two camshafts of an internal combustion engine to each other, which chain drive 1 comprises an endless drive chain 2, tension 3 and by means of figure 1 The two sprockets 4 connected by the circular drive chain 2. The tensioner 3 is positioned between two sprockets 4 .

[0061] The sprocket 4 is fixedly mounted, for example by means of a screw 6, on the end of the camshaft 5, which is supported in a bearing housing provided on the generator set component 7 or directly on the generating unit In bearings (not shown) in the unit), where they are held in place by means of camshaft bearing bridges 8. The camshaft bearing bridge 8 is fixedly screwed to the generator set component 7 by means of four bolts 9 . The two middle bolts 9 ′ also extend through the fastening flange 10 of the tensioner 3 .

[0062] The tensioner 3 comprises a tens...

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Abstract

The invention relates to a tensioner for a camshaft-camshaft chain drive having a drive chain and a camshaft bearing bridge for fastening the associated camshaft bearing to a generator set. The tensioner includes: a tensioner housing having a guide side guide shoe; a tensioning piston which is slidably guided in a piston bore of the tensioner housing and provided with a tensioning side tension shoe; and A fastening flange protrudes laterally from the tensioner housing on one side of the tensioner housing and has a mounting surface facing the tensioning side. The mounting plane defined by the mounting surface of the fastening flange intersects the tensioner housing at an axial distance from the guiding surface of the guiding shoe corresponding to the tensioning of the guiding surface of the guiding shoe with the tensioning shoe Up to 40% of the axial travel length of the tensioner between the surfaces. The camshaft bearing bridge has a contact surface for the fastening flange adapted to contact the mounting surface of the fastening flange.

Description

technical field [0001] The invention relates to a tensioner for a camshaft-camshaft chain drive having a drive chain and a camshaft bearing bridge for securing the associated camshaft bearing to a generator set component. The tensioner includes: a tensioner housing having a guide shoe on a guide side; a tensioning piston which is slidably guided in a piston bore of the tensioner housing and provided with a tensioning side tension a tension shoe; and a fastening flange protruding laterally from the tensioner housing on one side of the tensioner housing and having a mounting surface facing the tensioning side. The invention also relates to a camshaft-camshaft chain drive for an internal combustion engine comprising at least two camshaft sprockets, a drive chain positioned around the two camshaft sprockets and connecting them, and all means for tensioning the drive chains the tensioner. Furthermore, the invention relates to the use of such a tensioner for fastening a camshaft b...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02B67/04F02B67/06F01L1/348F16H7/08
CPCF01L1/022F16H7/0836F16H2007/0806F16H2007/0842F16H2007/0872F16H2007/0891
Inventor U.林德纳
Owner IWIS MOTORSYSTEME GMBH & CO KG