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Engine boosting system and control method for automobile and engine boosting system

A technology of a supercharging system and a control method, which is applied to combustion engines, engine components, machines/engines, etc., and can solve problems such as difficult and high-load work, low working efficiency, and slow power response.

Active Publication Date: 2019-02-26
BYD CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0014] Aiming at the problems of slow dynamic response, low working condition efficiency and difficulty in high-load operation existing in the existing engine supercharging system, the present invention provides a control method for the engine supercharging system, automobile and engine supercharging system

Method used

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  • Engine boosting system and control method for automobile and engine boosting system
  • Engine boosting system and control method for automobile and engine boosting system
  • Engine boosting system and control method for automobile and engine boosting system

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Embodiment Construction

[0065] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0066] see figure 1 As shown, this embodiment discloses an engine supercharging system, including an engine 7, a turbo compressor 3, a motor 1 and an exhaust gas turbine 5, the turbo compressor 3 is arranged in the intake pipe of the engine 7, and the The exhaust gas turbine 5 is arranged on the outlet pipe of the engine 7 , and the engine 7 , the motor 1 and the exhaust gas turbine 5 drive the turbocompressor 3 independently or cooperatively.

[0067] The engine supercharging system combines three driving power devices, including the engine 7, the motor 1 and the exhaust...

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Abstract

In order to overcome the problems of slow power response, low efficiency of working conditions and difficulty in high load operation in an existing engine boosting system, the invention provides an engine boosting system. The system includes an engine, a turbo compressor, a motor and an exhaust turbine. The turbo compressor is disposed in an intake duct of the engine, the exhaust turbine is disposed in an exhaust duct of the engine, and the engine, the electric motor and the exhaust turbine independently drive or cooperatively drive the turbo compressor. The invention also provides a control method for an automobile including the above-described engine boosting system and the engine boosting system. The engine boosting system combines three power devices of the engine, the electric motor and the exhaust turbine to provide the fastest power response speed in the entire engine speed range, and promotes full fuel combustion in an air cylinder.

Description

technical field [0001] The invention belongs to the technical field of automobile equipment, and in particular relates to an engine supercharging system, an automobile and a control method for the engine supercharging system. Background technique [0002] The engine supercharging system is a pressurization system that pre-compresses the air and supplies it to the cylinder to increase the air density and increase the intake air volume. Through the engine supercharging system, the intake air volume of the engine can be increased, and the circulating oil supply can be increased, thereby increasing the engine power. The existing engine supercharging systems mainly include: [0003] Exhaust gas turbocharging: an engine supercharging system equipped with an exhaust gas supercharger, the outside air passes through the air filter and then leads to the compressor of the exhaust gas turbocharger, the intake air is compressed, and the compressed high-temperature and high-pressure gas ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B37/10F02B37/14F02B39/04F02B39/10F02B39/12
CPCF02B37/10F02B37/14F02B39/04F02B39/10F02B39/12Y02T10/12
Inventor 陈兆康杨永刚石为利吴春芬钟益林
Owner BYD CO LTD
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