Parallel gas path system with switching mechanism

A switching mechanism and gas path system technology, applied to mechanical equipment, combustion engines, machines/engines, etc., can solve problems such as the complex structure of the booster system, and achieve the effect of simple structure and reasonable design

Inactive Publication Date: 2012-11-07
SHANGHAI JIAO TONG UNIV
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Problems solved by technology

[0003] After searching the existing technical literature, it is found that Chinese patent number ZL200820226936.6, patent name: a compressor parallel supercharging device for a turbocharger, this patent technology provides a device with a v

Method used

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  • Parallel gas path system with switching mechanism
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Embodiment

[0014] Such as figure 1 and figure 2 As shown, the present invention includes: a first air intake pipe 1, a first compressor 2, an engine intake pipe 3, an engine 4, an engine exhaust pipe 5, a first turbine 6, a first air outlet pipe 7, and a first connecting shaft 8 , volume cavity 9, volume cavity upper wall 10, volume cavity lower wall 11, volume cavity left wall 12, volume cavity right wall 13, volume cavity front wall 14, volume cavity rear wall 15, spring 16, first connecting pipe 17, The second connecting pipe 18, the third connecting pipe 19, the fourth connecting pipe 20, the through pipe 21, the moving body 22, the second compressor 23, the second turbine 24, the second suction pipe 25, the second air outlet pipe 26 and The second connection shaft 27, the air inlet and outlet of the first compressor 2 are connected with the air outlet of the first air intake pipe 1 and the air inlet of the engine intake pipe 3 respectively, and the air inlet and outlet of the engi...

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Abstract

A parallel gas path system with a switching mechanism in the technical field of internal combustion engines comprises gas compressors, a gas inlet tube, an engine, an exhaust tube, turbines, a containing cavity, connecting tubes, a moving body, a spring and a through tube. The moving body is mounted in the containing cavity and is in sealing contact with the inner wall surface of the containing cavity, the through tube penetrates through the right wall surface and the left wall surface of the moving body, and the lower wall surface of the moving body is connected with the lower wall surface of the containing cavity. When the engine is in a low-speed working condition, the moving body moves upwards, only the first gas compressor and the first turbine work, pulse energy is fully utilized, inlet pressure of the engine is high, and the performance of the whole engine is excellent; and when the engine is in a high-speed working condition, the moving body moves downwards, the first gas compressor, the second gas compressor, the first turbine and the second turbine work simultaneously, pumping loss of the engine is less, and the performance of the whole engine is excellent. The parallel gas path system with the switching mechanism is reasonable in design, simple in structure and applicable to a turbo-charging system with two turbochargers.

Description

technical field [0001] The invention relates to a turbocharging system in the field of internal combustion engines, in particular to a parallel air circuit system with a switching mechanism. Background technique [0002] With the development of society and the improvement of environmental protection requirements, the application of engine supercharging technology is becoming more and more extensive. Most of the engines with medium and high power adopt turbocharging technology to improve power and reduce fuel consumption. The two basic types of turbocharging systems are constant pressure supercharging system and pulse supercharging system. Constant-pressure supercharging system, each cylinder shares a large-volume exhaust pipe, the structure of the exhaust pipe system is relatively simple, the equivalent flow area of ​​the turbine is relatively large, the pressure in the exhaust pipe is basically kept constant, and the pressure is only related to the load of the engine It is...

Claims

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Application Information

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IPC IPC(8): F02B37/007F02B37/12
CPCY02T10/144Y02T10/12
Inventor 贾敬华梅琼风马智慧尹红灵
Owner SHANGHAI JIAO TONG UNIV
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