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Pressure differential contact point moving system

A technology of mobile systems and contact points, applied in the direction of engine components, machines/engines, non-mechanically actuated valves, etc., can solve problems such as complex system structures, and achieve the effect of simple structure and reasonable design

Inactive Publication Date: 2013-03-13
SHANGHAI 01 POWER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its design requires a special control structure, and the entire system structure is complex

Method used

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  • Pressure differential contact point moving system
  • Pressure differential contact point moving system
  • Pressure differential contact point moving system

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Embodiment

[0015] Such as figure 1 with figure 2 Shown, the present invention comprises: cylinder 1, piston 2, cylinder head 3, air intake passage 4, exhaust passage 5, intake valve 6, exhaust valve 7, air compressor intake pipe 8, air compressor 9, engine air intake pipe 10. Turbine exhaust pipe 11, turbine 12, engine exhaust pipe 13, lever 14, tappet 15, cam 16, camshaft 17, first connecting pipe 18, moving rod 19, moving body 20, volume chamber 21 and the second Two connecting pipes 22, the piston 2 are installed in the space surrounded by the cylinder 1 and are in sealing contact with the inner wall of the cylinder 1, the air outlet of the air inlet passage 4 and the air inlet of the exhaust passage 5 are all connected with the cylinder head, The lower end surface of the intake valve 6 and the lower end surface of the exhaust valve 7 are all in the combustion chamber, and the air inlet and outlet of the compressor 9 are respectively connected with the air outlet of the compressor i...

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PUM

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Abstract

The invention discloses a pressure differential contact point moving system, which belongs to the technical field of mechanical design. The pressure differential contact point moving system comprises an air inlet valve, an exhaust valve, an air compressor, a turbine, a lever, a tappet rod, a cam, a camshaft, a volume cavity, a moving body, a connecting pipe and a spring, wherein the moving body is arranged in the volume cavity, and is hermetically contacted with the inner wall surface of the volume cavity; an installation hole is formed in the left wall surface of the volume cavity; one end of a movable rod passes through the installation hole in the left wall surface of the volume cavity, and is fixedly connected together with the left wall surface of the moving body; and the other end of the movable rod is connected with the camshaft. When the pressure in an air inlet pipe of an engine is higher than the pressure in an exhaust pipe of the engine, the moving body is used for driving the movable rod to move leftwards, and the lift of the inlet valve is increased; and when the pressure in the air inlet pipe of the engine is lower than the pressure in the exhaust pipe of the engine, the moving body is used for driving the movable rod to move rightwards, and the lift of the air inlet valve is reduced. The pressure differential contact point moving system has the advantages of reasonable design, simple structure, and suitability for systems in which the lifts of engine air vales are variable.

Description

technical field [0001] The invention relates to a mechanically designed engine intake valve lift adjustment system, in particular to a differential pressure contact point moving system. Background technique [0002] The valve lift of the traditional gasoline engine is fixed and invariable, that is, there is only one cam profile of the camshaft, which makes it impossible for the lift to make the engine respond well in both high-speed and low-speed areas. [0003] The valve lift or cam profile design of a traditional gasoline engine is a balanced choice for the engine under all operating conditions. As a result, the engine can neither get the best high-speed efficiency nor the best low-speed torque, but it can get The most balanced performance under all working conditions. The adoption of variable valve lift enables the engine to obtain the required valve lift in both high-speed and low-speed areas, thereby improving the high-speed power and low-speed torque of the engine. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F01L9/02F01L13/00F01L9/10
Inventor 胡艳青闫斌鄢挺羌嘉曦杨林
Owner SHANGHAI 01 POWER TECH
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