Torsional vibration damper and gasoline engine with variable compression ratio

A shock absorber and shock-absorbing rubber technology, which is applied in the direction of spring/shock absorber, machine/engine, mechanical equipment, etc., to achieve the effect of improving shock absorption, improving working stability, and reducing torsional vibration

Pending Publication Date: 2022-04-26
DONGFENG MOTOR GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention provides a torsional vibration damper and a gasoline engine with variable compression ratio to solve the technical problem of how to improve the working stability of the gasoline engine

Method used

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  • Torsional vibration damper and gasoline engine with variable compression ratio
  • Torsional vibration damper and gasoline engine with variable compression ratio
  • Torsional vibration damper and gasoline engine with variable compression ratio

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Embodiment Construction

[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0031] The various specific technical features described in the specific embodiments can be combined in any suitable manner if there is no contradiction, for example, different embodiments and technical solutions can be formed by combining different specific technical features. In order to avoid unnecessary repetition, various possible combinations of specific technical features in the present invention will not be further described.

[0032] In the following description, the terms "first\second\..." are used only to distinguish different objects, and do not mean that there are similarities or conn...

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PUM

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Abstract

The invention provides a torsional vibration damper and a gasoline engine with a variable compression ratio, and the torsional vibration damper comprises hubs which are symmetrically arranged around a central axis; the inertia rings are symmetrically arranged on the outer side of the hub around the central axis; the first damping rubber is arranged between the hub and the inertia ring; one end of the inertia ring is coated with the support, and a cavity is formed by the support and the hub; and the second damping rubber is filled in the cavity.

Description

technical field [0001] The invention belongs to the technical field of automobiles, and more specifically relates to a shock absorber and a gasoline engine with variable compression ratio. Background technique [0002] During the rotation of the gasoline engine, when the speed of the gasoline engine reaches a certain value, the operation of the gasoline engine will become very uneven. Accompanied by mechanical knocking sounds and vibrations, the crankshaft will experience a relatively large torsional vibration. The torsional rigidity of the system is insufficient. Under the action of the single crank torque that changes periodically over time, considerable periodic relative torsion will occur between the crank throws. The more cylinders, the longer the crankshaft, and the increased torsional vibration. The internal combustion engine will vibrate violently. , noise, wear, and fuel consumption will cause the performance of the gasoline engine to deteriorate, which will further...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16F15/136F16F15/131F02D15/00
CPCF16F15/136F16F15/13171F02D15/00
Inventor 姚聪蔡文新王江涛宋扬
Owner DONGFENG MOTOR GRP
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