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Engine plateau air inlet simulation device

A technology of air intake device and engine, which is applied in the direction of internal combustion engine testing, etc., and can solve the problems of high construction cost and use cost

Active Publication Date: 2017-12-19
BORGWARD AUTOMOTIVE CHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And for this plateau laboratory its construction cost and use cost are very high

Method used

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  • Engine plateau air inlet simulation device
  • Engine plateau air inlet simulation device
  • Engine plateau air inlet simulation device

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Embodiment Construction

[0037] Specific embodiments of the present disclosure will be described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are only used to illustrate and explain the present disclosure, and are not intended to limit the present disclosure.

[0038] Such as figure 1 As shown, the present disclosure provides an engine simulated plateau air intake device, the engine simulated plateau air intake device includes a surge tank 1, the surge tank 1 is separated by a partition 2 to form a first chamber 3 and a second chamber 4. The first chamber 3 is formed with an air inlet 5 for connecting the air supply system and an air outlet 6 for connecting the engine intake pipe, the second chamber 4 is used for connecting the pressure supply device, and the stabilizer The pressure box 1 is provided with a pressure regulating structure for connecting or blocking the communication between the first chamber 3 and th...

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Abstract

The invention relates to an engine plateau air inlet simulation device. The engine plateau air inlet simulation device comprises a pressure stabilizing box. The pressure stabilizing box is separated by a separator plate into a first cavity and a second cavity. The first cavity has an air inlet connected with an air supply system and an air outlet connected with an engine air inlet pipe. The second cavity is used for connecting with a pressure supply device. The pressure stabilizing box is provided with a pressure regulating structure for enabling the first cavity and the second cavity to be communicated or blocked so as to adjust the pressure in the first cavity. The air supply system supplies air into the first cavity of the pressure stabilizing box through the air inlet, and the pressure regulating structure can enable the air in the first cavity to be discharged into the second cavity so as to reduce pressure in the first cavity, or enable the air in the second cavity to flow into the first cavity so as to increase the pressure in the first cavity, thereby realizing adjustment of pressure of air entering the engine air inlet pipe and achieving an effect of accurately controlling inlet pressure of an engine by simulating plateau air inlet states.

Description

technical field [0001] The present disclosure relates to the technical field of engine test equipment, in particular, to an engine simulating plateau intake device. Background technique [0002] When the vehicle is driving at a high altitude, due to the small atmospheric pressure and low air density, the intake air volume of the engine is significantly smaller than that of the engine when driving on a plain, and the amount of fuel required for combustion is different from that on a plain. Here, in order to allow the engine central control unit to recognize the plateau atmospheric pressure and correct the intake air volume, it is necessary to adjust the calibration accordingly, so as to prevent the reduction of engine output power, heat dissipation performance, high exhaust temperature, and fuel economy performance. Engine life. For this reason, the high-altitude test chamber is usually used to readjust and test the engine suitable for high-altitude driving vehicles, so as t...

Claims

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Application Information

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IPC IPC(8): G01M15/04
CPCG01M15/04
Inventor 刘如娟陈虎
Owner BORGWARD AUTOMOTIVE CHINA CO LTD
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