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Hybrid power turbocharging system

A turbocharging system and hybrid technology, applied in combustion engines, machines/engines, internal combustion piston engines, etc., can solve problems such as waste gas energy waste, ensure output power, improve turbo lag, improve fuel economy and Eco-friendly effect

Inactive Publication Date: 2019-08-27
XI AN JIAOTONG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At high speed, the exhaust energy is relatively large, and the compressor can generate a large boost pressure. In the traditional turbocharger system, in order to ensure the safety and life of the turbine, the boost pressure exceeding a certain limit is bypassed by the exhaust gas of the turbine. If the valve is removed, this part of the exhaust gas energy is wasted

Method used

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  • Hybrid power turbocharging system

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Embodiment Construction

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

[0018] The overall schematic diagram of the hybrid turbocharging system provided by the present invention is as follows figure 1 As shown, the technical scheme adopted in the figure is as follows:

[0019] The fresh air is pressurized by the compressor 3 and enters the internal combustion engine 1 to mix with fuel and burn and perform work. The exhaust gas after the work is discharged through the exhaust gas turbine 2. The exhaust gas turbine 2 drives the main shaft 8 to rotate under the push of the exhaust gas. The end of the motor 4 is connected. When the exhaust gas flow is large and the main shaft 8 rotates at a high speed, the motor 4 acts as a generator, absorbing a part of the energy of the exhaust gas and stored in the battery 5; when the exhaust gas flow is small and the main shaft 8 rotates at a low speed, the motor 4 acts as a motor. , The electrical energy in the...

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Abstract

The invention discloses a hybrid power turbocharging system. The hybrid power turbocharging system comprises an internal combustion engine, a waste gas turbine, a gas compressor, a motor and a storagebattery; during working, the waste gas turbine is driven by waste gas of the internal combustion engine or the motor; when the flow of the waste gas is large and the waste gas turbine drives a main shaft to rotate at a high speed, the motor acts as a generator, so that the energy of a part of waste gas is absorbed, and the energy is stored in the storage battery; and when the flow of waste gas issmall and the main shaft rotates at a low speed, the motor serves as an electromotor, the electric energy in the storage battery is converted into mechanical energy to drive the gas compressor, so that the pressurizing effect of the gas compressor is ensured. According to the hybrid power turbocharging system, the motor can be used for deploying the energy flow direction according to the rotatingspeed of the turbine.

Description

Technical field [0001] The invention relates to a turbocharging system, in particular to a turbocharging system integrating an exhaust gas turbine and an electric turbine, which can adjust the energy flow direction according to the turbine speed. Background technique [0002] Turbocharging technology is a means to increase engine power. The biggest feature different from the naturally aspirated engine is that it has a set of turbochargers, which are used to change the engine's intake characteristics. [0003] At present, any automobile engine includes four cycle steps: intake, compression, work, and exhaust. The intake power of a naturally aspirated engine is entirely derived from the mechanical inertia after combustion work, which is generally regarded as 1 atmosphere. The turbocharged engine is equipped with a coaxially arranged turbine and compressor between the exhaust system and the intake system. When the engine is working, the exhaust power pushes the exhaust gas turbine,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B37/04F02B37/12F02B41/10
CPCF02B37/105F02B37/12F02B41/10F02B2037/122Y02T10/12
Inventor 谢永慧姜伟张荻
Owner XI AN JIAOTONG UNIV
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