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Subframe Mounting Bush Structure And Vehicle

A subframe and bushing technology, applied in the substructure, superstructure, vehicle parts, etc., can solve the problems of increased on-site claims, complex structures, and increased costs

Pending Publication Date: 2021-05-21
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] To overcome this contradictory performance, hydraulic bushings that increase damping only at specific frequencies are used, but the complex structure leads to increased cost and field claims

Method used

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  • Subframe Mounting Bush Structure And Vehicle
  • Subframe Mounting Bush Structure And Vehicle
  • Subframe Mounting Bush Structure And Vehicle

Examples

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Embodiment Construction

[0030] Hereinafter, a subframe mounting bush structure for improving NVH performance according to an embodiment of the present disclosure will be described with reference to the accompanying drawings.

[0031] The subframe mounting bushing structure for improving NVH performance according to an embodiment of the present disclosure has the following features: the housing 100 is formed such that the length in the width direction ( D1 ) is longer than the length in the length direction ( D2 ), and the housing 100 provides Two or more inner casings 200 are formed, two or more bridges 400, 500 for fixing the two or more inner casings 200 are formed in the outer casing 100, and the stiffness of the two or more bridges 400, 500 is mutually same.

[0032] Such as Figure 1 to Figure 7 As shown, in the embodiment, two inner shells 200 are arranged in the outer shell 100 and a total of two bridges 400 , 500 are also arranged therein. Unlike what is shown, two or more inner cases 200 m...

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Abstract

A subframe mounting bush structure for improving NVH performance and a vehicle are provided. The subframe mounting bush structure includes an outer shell, a first bridge formed in the outer shell along a longitudinal direction, a second bridge formed in the outer shell along the longitudinal direction, a first inner shell positioned at a center of the first bridge, and a second inner shell positioned at a center of the second bridge.

Description

technical field [0001] The present disclosure relates to a subframe mounting bushing structure. Background technique [0002] The subframe mounting bush is the part used to attach the suspension to the body. Subframe mounting bushings should enhance responsiveness by quickly transferring loads from the suspension to the body during acceleration, braking and handling. Additionally, the subframe mounting bushing should improve noise, vibration and harshness (NVH) performance by isolating suspension vibrations during normal constant speed travel. [0003] However, the properties (stiffness / damping) of a mounting bush made of rubber may not improve both functions at the same time. This is because the stiffness / damping should be large for responsiveness, but small for isolation (NVH) performance. [0004] To overcome this contradictory performance, hydraulic bushings that increase damping only at specific frequencies are used, but the complex structure leads to increased costs...

Claims

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Application Information

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IPC IPC(8): B62D21/00F16F15/08
CPCB62D21/00F16F15/08F16F1/3835F16F1/3842B60G7/04B60G2206/60B60G2204/41B60G2600/44B60G2206/012B60G2206/73B60G2204/43B60Y2306/09B62D25/08F16F1/3732B62D24/02
Inventor 李种雨
Owner HYUNDAI MOTOR CO LTD
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