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Turbocharging system

A turbocharging system and turbine technology, applied in engine components, machines/engines, mechanical equipment, etc., can solve problems such as affecting engine air intake, complex testing, and disordered layout, and achieve shortened development cycles, accurate and fast response, and design. simple effect

Inactive Publication Date: 2013-12-18
ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] To sum up, it can be seen that when the traditional turbocharging system is cold started or the engine is at low speed, due to the small exhaust volume, the response of the turbine is poor, which affects the intake of the engine; at the same time, the compressor is prone to surge and blockage, which affects the compressor. The design and selection of the blades of the impeller and turbine have high requirements, and the matching of the turbine is difficult and the test is complicated; in addition, the turbine and the air filter must be arranged on the exhaust side, and the fresh air must pass through the intercooler from the exhaust side to the intake air On the side, the pipeline is too long, the layout is disordered, and it is difficult to arrange it in the narrow engine compartment
Usually, in order to prevent the intake pressure from being too high, there are also wastegate valves and pressure protection valves on the turbine, and the structure is complicated.

Method used

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Embodiment Construction

[0017] The present invention will be further described below in conjunction with the embodiments shown in the accompanying drawings.

[0018] The traditional engine turbocharging system installs a turbine on the exhaust side, uses the energy of the exhaust gas to drive the compressor to inhale fresh air, saves energy and increases the intake power of the engine at the same time. Such as figure 1 Shown is a schematic structural diagram of a traditional engine turbocharging system, from which it can be seen that the system includes a turbine 301 connected to the exhaust manifold 101, a compressor 401 connected to the turbine 301, and an air filter 501 connected to the compressor 401 and Intercooler 601 ; wherein, the outlet of air filter 501 is connected to compressor 401 , and the other end of intercooler 601 is connected to throttle valve 701 . During operation, the intake air passes through the air filter 501 , the compressor 401 , the intercooler 601 in turn, and then reach...

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Abstract

The invention discloses a turbocharging system and belongs to the technical field of an automobile engine. The turbocharging system comprises a turbine, an air filter, an air compressor, an intercooler, a generator and an electric motor, wherein the turbine is connected with an exhaust manifold; the generator is connected with the turbine; an outlet of the air filter is connected with an inlet of the air compressor; an outlet of the air compressor is connected with an inlet of the intercooler; an outlet of the intercooler is connected to a throttle valve of the engine; and moreover, the air compressor is also connected with the electric motor. According to the invention, the turbocharging system does not need to depend on air displacement; the air compressor is directly driven by the electric motor; the electric motor is controlled by an ECU (Electronic Control Unit) and is accurate and rapid to respond; surging and blockage of the air compressor do not need to be considered and blade design of the turbine is very simple; the air filter and the air compressor are arranged at the air inlet side nearby, so that an air inlet pipeline is greatly shortened; and a waste gate and a pressure protection valve are not required, the turbocharging system has a simple structure and is easy to match and the development period of the engine is greatly shortened.

Description

technical field [0001] The invention belongs to the technical field of automobile engines and relates to a turbocharging system. Background technique [0002] With the implementation of various energy-saving and environmental protection regulations, the application of turbocharging technology is becoming more and more extensive. Such as figure 1 Shown is a schematic structural diagram of a traditional turbocharging system, which includes a turbine 301 connected to the exhaust manifold 101, a compressor 401 connected to the turbine 301, an air filter 501 connected to the compressor 401 and an intercooler 601; wherein, the outlet of the air filter 501 is connected to the compressor 401, and the other end of the intercooler 601 is connected to the throttle valve 701. [0003] During operation, the turbine 301 drives the blades of the compressor 401 through the intermediate shaft, fresh air is compressed from the air filter 501 through the compressor 401 , cooled by the interc...

Claims

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Application Information

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IPC IPC(8): F01D15/10F02B39/10
Inventor 马茂康世邦刘岩沈源由毅冯擎峰
Owner ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD
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