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Turbo charger having noise, vibration and harshness (NVH)-reducing device

A turbocharger and roughness technology, which is applied to the components of pumping devices for elastic fluids, gas turbine devices, engine components, etc., can solve problems such as the reduction of air compression efficiency, and achieve the effect of reducing noise

Inactive Publication Date: 2016-11-16
KEY YANG PRECISION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As this method can reduce noise, vibration and harshness to some extent, but the compression efficiency of air may be reduced

Method used

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  • Turbo charger having noise, vibration and harshness (NVH)-reducing device
  • Turbo charger having noise, vibration and harshness (NVH)-reducing device

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Embodiment Construction

[0029] According to an aspect of the present invention, a turbocharger having a noise, vibration and harshness (NVH) reducing device includes: a central housing including a bore into which an axial shaft is inserted, and one of the shafts One side is coupled with the turbine impeller, and the other side of the shaft is coupled with the compressor impeller; the turbine casing is arranged on one side of the center casing, and an exhaust gas inlet and an exhaust gas outlet are formed on the turbine casing, and a The turbine impeller; the compressor casing is arranged on the other side of the central casing, an air inlet and an air outlet are formed on the compressor casing, and a compressor impeller is arranged on the compressor casing, when the turbine impeller when rotating and the compressed air moves toward the air outlet, the compressor impeller compresses the air introduced from the air inlet; Between the outlets, the air flow that occurs when the compressor wheel turns is ...

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Abstract

A turbo charger having a noise, vibration and harshness (NVH)-reducing device, includes: a central housing including a bore into which a shaft having a turbine wheel coupled to one side thereof and a compressor wheel coupled to another side thereof is inserted; a turbine housing disposed at the one side of the central housing, and in which an exhaust gas inlet and an exhaust gas outlet are formed and the turbine wheel is disposed; a compressor housing disposed at the other side of the central housing, and in which an air inlet and an air outlet are formed and the compressor wheel that compresses air introduced from the air inlet when the turbine wheel is rotated and moves the compressed air toward the air outlet is disposed; and an air-alleviating portion that is disposed between the air inlet and the air outlet of the compressor housing and alleviates a flow of air that occurs when the compressor wheel is rotated.

Description

technical field [0001] The present invention relates to a turbocharger with a noise, vibration and harshness (NVH) reduction device, and more particularly to a turbocharger with a device capable of making abnormal noise, vibration and Turbochargers with noise, vibration and harshness reduction devices for minimized harshness. Background technique [0002] Internal combustion engines convert thermal energy into mechanical energy by combusting a mixture of air and fuel within cylinders. An internal combustion engine having such a structure necessarily exhausts gases that have been burned in the cylinders. Devices for increasing engine output using exhaust gases are known. [0003] In general, a turbocharger rotates a turbine using exhaust energy of exhaust gas, and rotates a suction fan of a compressor installed on the same axis as the turbine, thereby forcibly sucking in air. In this case, the turbocharger introduces intake air into the combustion chamber of the internal c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B39/00F02B37/00
CPCY02T10/12F01D25/24F02B37/00F02B39/00F02C6/12F04D29/403F04D29/667F05D2220/40
Inventor 朴浩一崔性培张成植
Owner KEY YANG PRECISION
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