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Multi-nozzle type variable flow rate supercharging device

A supercharging device and nozzle technology, applied in the direction of the stator, engine components, machine/engine, etc., can solve the problem of low efficiency of the variable cross-section supercharger, so as to improve the efficiency of the low-speed turbine, increase the available energy, and increase the output of the turbine The effect of work

Inactive Publication Date: 2011-06-15
KANGYUE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem to be solved by the present invention is to provide a simple-structure, A multi-nozzle type variable flow booster device with low cost, high reliability, and high efficiency at low flow rates while taking into account the efficiency and flow capacity of large flow rates

Method used

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Abstract

The invention discloses a multi-nozzle type variable flow rate supercharging device which comprises a volute casing, wherein the volute casing is internally provided with an air inlet and a volute air inlet passageway which is communicated with the air inlet, and the volute air inlet passageway is internally provided at least one intermediate baffle plate. The multi-nozzle type variable flow rate supercharging device provided by the invention has a simple air inlet regulating and controlling mechanism, the control mode is easy to realize, the reliability is high, and the problems of the existing vane type variable turbocharger in the aspects of reliability and efficiency and too low efficiency of a tongue shape baffle plate variable cross section charger are solved effectively.

Description

Multi-nozzle type variable flow booster technical field The invention relates to a variable cross-section supercharger, in particular to a multi-nozzle type variable flow supercharging device that satisfies the requirements of high and low speed working conditions of the engine through the joint work of flow channels with different cross-sections. The field of internal combustion engines. technical background At present, superchargers are widely used in modern engines. In order to meet the performance and emission requirements of the engine under various operating conditions, the supercharger must have the adjustable function of boost pressure and exhaust pressure. Therefore, the variable cross-section supercharger Become the focus of research and development at home and abroad. Rotary vane variable-section turbocharger (VNT) and tongue-shaped baffle variable-section turbocharger are simple in structure and can effectively widen the matching range of turbocharger and engi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B37/22F01D17/18F01D25/24
CPCF05D2220/40F01D9/026
Inventor 王航刘莹王聪聪李永泰宋丽华
Owner KANGYUE TECH
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