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Turbo anti-surge system

A technology of turbocharging and turbocharging devices, which is applied to components of pumping devices for elastic fluids, non-variable pumps, engine components, etc. Fully utilized and other issues to achieve the effect of avoiding surge phenomenon and avoiding synchronous changes

Active Publication Date: 2016-04-27
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Gas energy at the intake end of the turbocharger is not fully utilized

Method used

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Embodiment Construction

[0026] The turbocharger anti-surge system according to the present invention will be described in detail below with reference to the drawings.

[0027] Reference figure 1 , The turbocharger anti-surge system according to the present invention includes: a turbocharger device 10 with a turbine 101 and a compressor 102 communicating with each other; a first intake pipe 11 with one end connected to the exhaust port 201 of the internal combustion engine 20; and a mixed flow device 12 , Communicating with the other end of the first intake pipe 11 and communicating with the turbine 101 of the turbocharger device 10; the first outlet pipe 13, one end communicating with the compressor 102 of the turbocharging device 10, and the other end communicating with the intake port 202 of the internal combustion engine 20; The second outlet pipe 14 has one end connected to the compressor 102 of the turbocharger 10; the heat exchange device 15 exchanges heat with the internal combustion engine 20; th...

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Abstract

Provided in the invention is an anti-surge system for turbocharging. The system comprises a turbocharging device, a first air inlet pipe, a flow mixing device, a first air outlet pipe, a second air outlet pipe, a heat exchange device, a flow divider, and a second air inlet pipe. To be specific, the turbocharging device has a turbine motor and a compressor, wherein the turbine motor and the compressor are mutually connected. One end of the first air outlet pipe is connected with an air outlet of an internal combustion engine. The flow mixing device is connected with the other end of the first air inlet pipe and is connected with the turbine motor of the turbocharging device. One end of the first air outlet pipe is connected with the compressor of the turbocharging device and the other end is connected with an air inlet of the internal combustion engine. One end of the second air outlet pipe is connected with the compressor of the turbocharging device. The heat exchange device carries out heat exchanged with the internal combustion engine. The flow divider has an inlet and an outlet; the inlet is connected with the other end of the second air outlet pipe; and the outlet is connected with the heat exchange device. One end of the second air inlet pipe is connected with the heat exchange device and the other end is connected with the flow mixing device. According to the invention, with the system, the surge phenomenon of the turbocharging device can be avoided; and the gas kinetic force at the air inlet end of the turbine motor of the turbocharging device can be utilized to the greatest extent.

Description

Technical field [0001] The invention relates to the field of turbocharging, in particular to a turbocharging anti-surge system. Background technique [0002] The internal combustion engine turbocharger consists of two main components: a turbine and a compressor. The turbine rotates under the impact of high temperature and high pressure airflow to drive the compressor to do work, and compress the gas entering the compressor. The compressed gas enters downstream to perform work. [0003] Surge is one of the common faults of turbochargers. It is a kind of vibration under abnormal working conditions that occurs when the flow of the turbo compressor is reduced to a certain extent. When the gas flow into the compressor is low, it will cause the downstream pipeline pressure to be greater than the compressor outlet pressure, and the gas will flow back into the compressor until the outlet pressure is higher than the downstream pipeline pressure to end the surge process. [0004] In order to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F01D17/00F04D29/66
Inventor 诸葛伟林张扬军李志勇王恩华
Owner TSINGHUA UNIV
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