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Actuating gear mechanism

A technology of transmission and flexible transmission, which is applied in the direction of transmission, belt/chain/gear, mechanical equipment, etc., and can solve problems such as waste wave generators

Active Publication Date: 2018-11-23
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The production of the conical toothing is complex and requires precise axial positioning of the wave generator

Method used

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  • Actuating gear mechanism
  • Actuating gear mechanism

Examples

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Embodiment Construction

[0019] The harmonic transmission device indicated by the reference numeral 1 as a whole is designed for use in a device for adjusting the compression ratio of a reciprocating piston engine in a motor vehicle. In this case, the rigid transmission member 2 configured as a ring gear is firmly connected to the cylinder of the internal combustion engine. Reference numeral 3 denotes a shaft, that is, an eccentric shaft, which serves as an output element of the harmonic transmission device 1 and cooperates with a secondary connecting rod of a crank connecting rod mechanism of an internal combustion engine.

[0020] The tooth area 4 of the harmonic transmission device 1 is represented as a torque-transmitting connection between the rigid transmission member 2 and the flexible transmission member 5.

[0021] In order to deform the flexible transmission member 5 when the harmonic transmission device 1 is operating, a wave generator 6 is provided. The rotation axis of the wave generator 6 is...

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Abstract

According to the invention, a harmonic drive comprises a rigid gear element (2) having internal teeth (14) which are concentric to an axis of rotation (R), and a flexible gear element (5) having external teeth (13), which cooperates with the rigid gear element, wherein a wave generator (6) having an outer ring (9) is provided for the deformation of the flexible gear element. The outer ring (9) ofthe wave generator (6) is offset in the axial direction with respect to the teeth (13, 14).

Description

Technical field [0001] The present invention relates to a regulating transmission device for a motor vehicle, which has a harmonic transmission device. The harmonic transmission device has a rigid transmission element and a flexible transmission element directly matched with the rigid transmission element, wherein the rigid transmission element The inner tooth part concentric with the rotation axis of the harmonic transmission device meshes with the outer tooth part of the flexible transmission element, and in order to deform the flexible transmission element, a wave generator is provided, the wave generator has an outer ring, and the outer The ring transfers radial forces—about the mentioned axis of rotation—to the flexible transmission element. Background technique [0002] For example, a harmonic drive is known from EP 0 514 829 B1. The harmonic transmission device has a pot-shaped flexible transmission element, which in this case is called a deformable tooth part. In this c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16H49/00
CPCF16H49/001F16H2049/003
Inventor 托马斯·尼海姆埃尔
Owner SCHAEFFLER TECH AG & CO KG