Silencer device

A noise reduction device, worm shaft technology, applied in the direction of transmission, gear transmission, transmission parts, etc., can solve the problem of friction increase in MDPS system

Active Publication Date: 2015-02-11
HYUNDAI MOBIS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] Therefore, the traditional technology is to improve the noise reduction performance. Only by increasing the load ① of the noise reduction spring 7 can

Method used

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Embodiment Construction

[0037] The preferred embodiments of the invention will be described in detail below with reference to the accompanying drawings. The description content and the actual same component in the accompanying drawings are represented by the same symbol, and will not be described repeatedly. Moreover, when describing the present invention, if the specific description of related known technologies makes the gist of the present invention obscure, the description will be omitted. The same drawing number (reference number) in the description indicates the same component.

[0038] Next, a noise reduction device 1 according to a preferred embodiment of the present invention will be described.

[0039] The electric power steering device MDPS equipped with the muffler device 1 uses electric motor power to assist the steering force.

[0040] For this purpose, MDPS such as figure 1 As shown, there is a motor that generates power through the control of the ECU, and the worm shaft (Worm-Shaft...

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Abstract

The present invention relates to a silencer device which is mounted on an electrical steering apparatus in a vehicle, wherein the electrical steering apparatus includes a worm shaft and worm wheel meshed with the worm shaft. The silencer device is characterized by comprising: a pressurized side of the worm shaft body; core manner is provided between the core and the core body and said first spring pressing the worm shaft; embodiment one side of the body disposed in the second spring-loaded. Therefore, during driving of the vehicle, with not only an uneven pavement but also a common pavement causing a ge-ge noise, pressurization is always stably applied to a bearing of the screw rod with a predetermined spring load.

Description

technical field [0001] The present invention relates to a noise reduction device, in particular, as an electric power steering device having a worm shaft and a worm wheel meshing with the worm shaft, it is possible to reduce noise generated by the gap between the worm shaft and the worm wheel during operation. Rattle noise (rattle noise) muffling device. Background technique [0002] The general electric steering device MDPS (Motor Driven Power Steering) does not use hydraulic pressure, but uses the method of assisting the steering force with the power of the electric motor. [0003] For this reason, MDPS has a motor controlled by ECU (Electronic Control Unit, electronic control unit) to generate power, a worm shaft (Worm-Shaft) rotated by the motor, and a worm wheel (Worm Wheel) meshed with this, and the worm wheel (Worm Wheel) The rotational force is transmitted to the gearbox to assist the steering force. [0004] As described above, the MDPS utilizes a meshing worm sha...

Claims

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Application Information

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IPC IPC(8): B62D5/04B62D3/04
CPCB62D3/04B62D5/0403B60Y2300/207B62D5/0454F16H1/16F16H57/021
Inventor 吴荣基李秉勲
Owner HYUNDAI MOBIS CO LTD
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