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Adjustable composite pressure-boosting air intake system

A compressor and supercharger technology, applied in the direction of charging system, combustion air/combustion-air treatment, internal combustion piston engine, etc., can solve the problems of variable altitude power recovery, etc., to ensure power recovery and reduce the volume of the intake system , the effect of improving the service life

Inactive Publication Date: 2013-09-18
BEIJING INSTITUTE OF TECHNOLOGYGY
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AI Technical Summary

Problems solved by technology

[0006] This application provides an adjustable composite supercharging air intake system to solve the problem of power recovery at variable altitudes

Method used

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  • Adjustable composite pressure-boosting air intake system
  • Adjustable composite pressure-boosting air intake system
  • Adjustable composite pressure-boosting air intake system

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Embodiment Construction

[0039] In order to make the above objects, features and advantages of the present application more obvious and comprehensible, the present application will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0040] refer to figure 1 , which shows a structural diagram of an adjustable speed compound supercharging system described in the embodiment of the present application, which may specifically include:

[0041] Two-stage supercharger, where,

[0042] The first stage is an adjustable supercharger, and the adjustable supercharger includes a primary compressor 8, an intake bypass valve 2, a speed increasing mechanism 6, a driving device and an electronic control system 15; the primary compressor 8 is connected in parallel with the intake bypass valve 2, the primary compressor 8 is connected with the speed-up mechanism 6, the speed-up mechanism 6 is connected with the driving device, and the driving device i...

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Abstract

The invention provides an adjustable composite pressure-boosting air intake system which comprises two stages of pressure boosters, that is, an adjustable pressure booster and a turbine pressure booster respectively, wherein the adjustable pressure booster comprises a first-stage compressor, an air intake bypass valve, an acceleration mechanism, a driving device and an electronic control system; the first-stage compressor is connected with the air intake bypass valve in parallel; the first-stage compressor is connected with the acceleration mechanism; the acceleration mechanism is connected with the driving device; and the driving device is connected with the electronic control system. The rotation speed of the adjustable pressure booster can be correspondingly adjusted according to the change of altitude and engine speed, so as to realize reasonable distribution of the pressure ratio of the two stages of the pressure boosters and ensure the working efficiency. Therefore, by utilizing the system, the problem of recovering the power of a variable-altitude vehicle is solved.

Description

technical field [0001] The present application relates to the technical field of compound supercharging, in particular to an adjustable compound supercharging intake system. Background technique [0002] As the altitude increases, the atmospheric pressure decreases, the air density and oxygen content decrease, and the air density in the plateau environment is significantly lower than that in the plain state. For every 1000m increase in altitude, the atmospheric pressure will drop by about 9%, and the average air temperature will drop by 6.5°C. For high-power diesel engines working in plateau areas, it will cause problems such as engine power, economy, and reliability decline. Therefore, it is very necessary to carry out research on power recovery of internal combustion engines under plateau conditions to improve the adaptability of vehicles to plateau environments. [0003] Because the supercharging technology can double the air intake density on the basis of the least cha...

Claims

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Application Information

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IPC IPC(8): F02B37/04F02B37/22F02M35/024
CPCY02T10/12
Inventor 韩恺张付军马小康刘杨杨吴滔滔
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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