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Turbine-pressure separation energy storage type engine pressurization system

A technology for engines and storage batteries, applied to combustion engines, engine components, machines/engines, etc., can solve the problems of low thermal efficiency of engines and achieve the effect of increasing flexibility

Inactive Publication Date: 2017-12-01
JILIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

About 30% of the energy is lost through this way, which is also one of the main reasons for the low thermal efficiency of the engine

Method used

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  • Turbine-pressure separation energy storage type engine pressurization system

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Embodiment Construction

[0022] Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:

[0023] Such as figure 1 As shown, the present invention consists of a storage battery 1, a power detection module 2, a control module 3, a rectification filter circuit 4, a generator 5, a turbine 6, a thermoelectric conversion module group 7, an engine exhaust pipe 8, an engine 9, an engine speed sensor 10, Engine intake pipe 11, intake air temperature sensor 12, intake air pressure sensor 13, electrically driven compressor 14 and high power density DC motor 15, wherein the engine exhaust pipe 8 outlet of the thermoelectric conversion module group 7 is attached to the outer wall and the turbine 6 input connections.

[0024] The engine exhaust pipe 8 inlet is connected with the outlet of the exhaust port of the engine 9, the outlet of the engine intake pipe 11 is connected with the inlet of the engine 9, and the inlet of the engine inlet pipe 11 is...

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Abstract

The invention discloses a turbine-pressure separation energy storage type engine pressurization system, and belongs to the technical field of engines. In the turbine-pressure separation energy storage type engine pressurization system, a storage battery, a rectification filter circuit, a generator, a turbine, an engine exhaust pipe, an engine, an engine intake pipe, an electric drive air compressor and a high power density direct current motor are in series connection; a thermoelectric conversion module group adsorbs to the outer wall of the engine exhaust pipe; an electric quantity detection module is arranged between the storage battery and a control module; an engine rotation speed sensor is arranged at the output end of the engine; an air inlet temperature sensor and an air inlet pressure sensor are arranged on the engine intake pipe; the engine rotation speed sensor, the air inlet temperature sensor and the air inlet pressure sensor are connected with the control module; and the storage battery, the rectification filter circuit and the high power density direct current motor are controlled through the control module. According to the turbine-pressure separation energy storage type engine pressurization system, the air inlet pressurization process of the engine is flexible and controllable through decoupling of the turbine and the air compressor, the problems of turbo lag during low rotation speed of an exhaust turbine mechanism, and blocking, surging and stalling of the air compressor during high rotation speed of the exhaust turbine mechanism can be solved, and surplus energy of exhaust gases under whole working conditions can be utilized more sufficiently through the turbine and temperature difference power generation.

Description

technical field [0001] The invention belongs to the technical field of engines, and in particular relates to a vortex-pressure separation energy storage type engine supercharging system. Background technique [0002] After years of improvement and development, exhaust gas turbocharging has become one of the energy-saving and emission-reduction technologies widely used in contemporary compression ignition engines. By using the residual exhaust energy of the engine to drive the turbine and drive the compressor to achieve intake compression, the exhaust gas turbocharging technology can effectively increase the intake charge density of the engine, thereby obtaining higher combustion efficiency and lower soot emission levels. [0003] Although exhaust gas turbocharging improves the performance of the engine to a large extent, for vehicle engines, because it operates in transient conditions in most cases, especially on urban roads, the instantaneous load and speed of the engine ch...

Claims

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Application Information

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IPC IPC(8): F02B39/10F01D15/10F01N5/02
CPCF01D15/10F01N5/025F02B39/10Y02T10/12
Inventor 郭亮金科年孙万臣程鹏李国良李德刚方凯
Owner JILIN UNIV
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