Intake pressure regulating type valve rotating mechanism

A technology of intake pressure and rotating mechanism, applied in mechanical equipment, engine components, exhaust gas recirculation, etc., can solve problems such as complex control systems, and achieve the effect of reasonable design and simple structure

Inactive Publication Date: 2014-03-26
SHANGHAI JIAO TONG UNIV
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  • Abstract
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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 ZL200410063439.5, patent name: electronic exhaust gas recirculation gas control device, this patent technology provides a device for controlling the exhaust gas recircu

Method used

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  • Intake pressure regulating type valve rotating mechanism
  • Intake pressure regulating type valve rotating mechanism
  • Intake pressure regulating type valve rotating mechanism

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Embodiment

[0017] Such as Figure 1 to Figure 5 Shown, the present invention comprises compressor intake pipe 1, compressor 2, engine intake pipe 3, engine 4, engine exhaust pipe 5, turbine 6, turbine exhaust pipe 7, connecting shaft 8, first connecting pipe 9, the first A rotating shaft 10, a butterfly valve 11, a second connecting pipe 12, a second rotating shaft 13, a chain 14, a volume cavity 15, a fixed plate 16, a rotating body 17 and an elastic member 18, the air inlet and outlet of the compressor 2 are respectively connected with the air inlet of the compressor. The air outlet of trachea 1 is connected with the air inlet of engine intake pipe 3, the air inlet and outlet of engine 4 are connected with the air outlet of engine air inlet pipe 3 and the air inlet of engine exhaust pipe 5 respectively, and the air inlet and outlet of turbine 6 are respectively It is connected with the air outlet of the engine exhaust pipe 5 and the air inlet of the turbine exhaust pipe 7, the compress...

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Abstract

Disclosed is an intake pressure regulating type valve rotating mechanism in the technical field of mechanical design. The intake pressure regulating type valve rotating mechanism comprises a gas compressor, an engine, a turbine, connecting pipes, a volume cavity, an elastic part and a rotator. The rotator is connected with the left wall surface of a fixing plate through the elastic part, two ends of a first connecting pipe are communicated with a gas compressor intake pipe and a turbine exhaust pipe respectively, one end of a second connecting pipe is communicated with an engine intake pipe, and the other end of the second connecting pipe is communicated with the volume cavity. When the engine intake pipe is high in pressure, the rotator drives a butterfly valve to rotate clockwise, exhaust gas recirculation rate of the engine is high, and detonation pressure of the engine is low; when the engine intake pipe is low in pressure, the rotator drives the butterfly valve to rotate anticlockwise, exhaust gas recirculation rate of the engine is low, and oil consumption of the engine is low. The intake pressure regulating type valve rotating mechanism is reasonable in design, simple in structure and applicable to an exhaust gas recirculation system of a supercharged engine.

Description

technical field [0001] The invention relates to an exhaust gas recirculation system in the technical field of mechanical design, in particular to an intake pressure regulating valve body rotating mechanism. Background technique [0002] Harmful emissions from engines are a major source of air pollution. With the increasing importance of environmental protection, the goal of reducing harmful emissions from engines has become an important direction for engine development in the world today. With the world's consumption of petroleum products increasing year by year, international oil prices remain high, and the economy of diesel vehicles is becoming more and more prominent, which makes diesel engines occupy an increasingly important position in vehicle power. Therefore, it is the primary task of diesel engine designers to carry out research on the control methods of harmful emissions from diesel engines. Exhaust gas recirculation system is to send a small part of the exhaust g...

Claims

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Application Information

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IPC IPC(8): F02M25/07F02M26/07F02M26/65
CPCY02T10/12
Inventor 邱晓宁曹兆敏
Owner SHANGHAI JIAO TONG UNIV
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