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Cam adjustment mechanism, internal combustion engine and moped

A technology of regulating mechanism and internal combustion engine, which is applied in the direction of machines/engines, mechanical equipment, engine components, etc., and can solve problems such as very expensive and unsuitable mechanics

Inactive Publication Date: 2017-05-03
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] However, the solutions known so far are either mechanically unsuitable and / or very expensive

Method used

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  • Cam adjustment mechanism, internal combustion engine and moped
  • Cam adjustment mechanism, internal combustion engine and moped
  • Cam adjustment mechanism, internal combustion engine and moped

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] exist figure 1 An embodiment of a cam adjusting mechanism 1 according to the invention is shown in . The cam adjusting mechanism 1 is part of an internal combustion engine of a motor vehicle, in particular a motorcycle, and has a camshaft 2 .

[0033] The first cam 3 is immovably fixed on the camshaft 2 . In the embodiment shown, the first cam is an integral part of the exhaust cam of the camshaft 2 .

[0034] The second cam 4 is mounted on the camshaft 2 in an axially immovable, but rotationally displaceable manner. The second cam 4 is an intake cam. It is also possible that the second cam 4 is an exhaust cam and the first cam 3 is an intake cam.

[0035] The axial direction is defined in dependence on the longitudinal axis 5 of the camshaft 2 . The axial direction is thus given by the longitudinal axis 5 .

[0036] The second cam 4 is supported on a link guide 6 designed as a locking sleeve 7 .

[0037] Arranged in a fixed connection to the camshaft is an inter...

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PUM

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Abstract

The invention relates to a cam adjustment mechanism (1) for an internal combustion engine of a motor vehicle, such as a lorry, a car, a motor cycle or a light motor cycle, with a cam shaft (2) on which a first cam (3) is fastened nondisplaceably and a second cam (4) is mounted rotatably relative to the first cam (3), but wherein the second cam (4) is mounted in an axially nondisplaceable manner on the cam shaft (2), wherein the second cam (4) is mounted in an axially displaceable slotted guide (6) in order to achieve a rotational movement. The invention also relates to an internal combustion engine with such a cam adjustment mechanism and to a light motor cycle with a single-cylinder internal combustion engine having a cam shaft at the top and such a cam adjustment mechanism.

Description

technical field [0001] The invention relates to a cam adjustment mechanism for an internal combustion engine of a motor vehicle, such as a truck, passenger car, motorcycle or moped, which has a camshaft to which a first cam is immovably fastened and a second cam The camshaft is mounted rotatably relative to the first cam, but the second cam is mounted immovably in the axial direction on the camshaft. Background technique [0002] Numerous cam adjustment mechanisms are known from the prior art, eg from JP 09324614 and US 2009 / 0240420 A1. Cam adjustment mechanisms are also known from DE 103 523 62 A1 and DE 10 2008 049 166 A1. [0003] DE 10 2008 049 166 A1 thus discloses an internal combustion engine having at least one combustion chamber for accommodating an oscillating piston which is coupled to a crankshaft via a crank gear. The internal combustion engine includes a gas exchange valve for controlling the entry of combustion gases into the combustion chamber and the disch...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01L1/344F01L13/00
CPCF01L1/34413F01L13/0057
Inventor 米夏埃尔·弗莱舍克劳迪娅·杰林斯基米夏埃尔·伯格纳
Owner SCHAEFFLER TECH AG & CO KG