Turbine pressurizing system with adjustable rotating speed of gas compressor

A turbocharging system and compressor technology, applied in mechanical equipment, combustion engines, machines/engines, etc., can solve problems such as valve damage and valve sealing difficulties, and achieve the effect of simple structure and reasonable design

Inactive Publication Date: 2012-06-27
SHANGHAI JIAO TONG UNIV
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  • Application Information

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Problems solved by technology

[0003] After searching the existing technical literature, it is found that Chinese patent number ZL200810203054.2, patent name: turbocharging system with variable supercharging mode when the turbo is placed in the middle, this patented technology provides a device with variable exhaust pipe volu

Method used

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  • Turbine pressurizing system with adjustable rotating speed of gas compressor
  • Turbine pressurizing system with adjustable rotating speed of gas compressor

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Embodiment

[0013] Such as figure 1 As shown, the present invention includes: compressor inlet pipe 1, compressor 2, compressor outlet pipe 3, intercooler 4, inlet manifold 5, engine 6, exhaust manifold 7, turbine 8, turbine outlet pipe 9, compressor The engine connecting shaft 10, the turbine connecting shaft 11, the speed conversion box 12, the control mechanism 13, the first gear 14, the second gear 15 and the third gear 16, the air inlet and outlet of the compressor 2 and the air outlet of the compressor inlet pipe 1 respectively , The air inlet of the compressor outlet pipe 3 is connected, the air inlet and outlet of the intercooler 4 are respectively connected with the air outlet of the compressor outlet pipe 3 and the air inlet of the main intake pipe 5, and the air inlet and outlet of the engine are respectively connected to the air inlet The outlet of the manifold 5 and the inlet of the exhaust manifold 7 are connected. The inlet and outlet of the turbine 8 are respectively connect...

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Abstract

The invention relates to a turbine pressurizing system with adjustable rotating speed of a gas compressor. The turbine pressurizing system comprises the gas compressor, an engine, a turbine, a gas compressor connecting shaft, a turbine connecting shaft and gears, wherein a first gear and a second gear are both arranged on the gas compressor connecting shaft, the gear number of the first gear is less than that of the second gear, a third gear is arranged on the turbine connecting shaft, and the second gear is meshed with the third gear. When the engine is in a low-speed working condition, the first gear and the third gear are meshed by a control mechanism, the rotating speed and the efficiency of the gas compressor are both high, the engine has high air inflowing rate, combustion is good and the performances of the complete machine are excellent; when the engine is in a high-speed working condition, the second gear is meshed with the third gear by the control mechanism, the gas compressor has low rotating speed, the engine has low air inflowing rate, the blasting pressure is low, pumping loss is low, and the performances of the complete machine are excellent. The turbine pressurizing system is reasonable in design, is simple in structure and is suitable for the turbine pressurizing system without a valve control mechanism in an exhaust piping system.

Description

Technical field [0001] The invention relates to a turbocharging system in the field of internal combustion engines, in particular to a turbocharging system with adjustable compressor speed. Background technique [0002] With the development of society and the improvement of environmental protection requirements, the application of engine supercharging technology has become more and more extensive. Most of the medium and high-power engines use turbocharging technology to increase power and reduce fuel consumption. The two basic types of turbocharging systems are constant pressure charging system and pulse charging system. Constant pressure supercharging system. Each cylinder shares a large exhaust pipe. The structure of the exhaust pipe system is relatively simple. The pressure in the exhaust pipe remains basically constant. The pressure is only related to the load and speed of the engine. The number of cylinders is different. The supercharging system of the diesel engine can be ...

Claims

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Application Information

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IPC IPC(8): F02B37/12
CPCY02T10/144Y02T10/12
Inventor 徐敏邓康耀石磊王绍明
Owner SHANGHAI JIAO TONG UNIV
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