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Sensor for spectroscopic analysis of variable pressure gaseous fuels for use in motor vehicles

一种压力气体、机动车辆的技术,应用在通过光学手段进行材料分析、分析材料、机器/发动机等方向,能够解决传感器信号有噪声、错误光谱分析结果、不精确等问题

Active Publication Date: 2020-01-10
VTESCO TECH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Therefore, when the optical path is not adapted to the pressure of the gas, the signal generated by the sensor may be noisy, i.e. imprecise
This can lead to erroneous spectral analysis results, which is a serious disadvantage
Therefore, if the gas pressure changes over time, the optical path is not necessarily suitable for different pressure values ​​of the gas flowing in the sensor

Method used

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  • Sensor for spectroscopic analysis of variable pressure gaseous fuels for use in motor vehicles
  • Sensor for spectroscopic analysis of variable pressure gaseous fuels for use in motor vehicles
  • Sensor for spectroscopic analysis of variable pressure gaseous fuels for use in motor vehicles

Examples

Experimental program
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Embodiment Construction

[0037] Reference below Figure 1 to Figure 4 The illustrated sensor is designed to be installed in a variable pressure gaseous fuel supply circuit (not shown) between the variable pressure gaseous fuel reservoir and the engine of the motor vehicle. It should be noted, however, that in a variant, the sensor according to the invention can be installed directly in the fuel reservoir of the vehicle.

[0038] The sensor according to the invention is aimed at spectroscopic analysis of variable pressure gaseous fuels.

[0039] refer to Figure 1 to Figure 4 , the sensor 1 first includes a cylindrical body 2 and a flow conduit 4 for a variable pressure gaseous fuel flow F1 (refer to Figure 4 ).

[0040] The cylindrical body 2 extends along a longitudinal axis X-X and comprises a first end 2A and a second end 2B.

[0041] A flow duct 4 for a flow of variable pressure gaseous fuel F1 extends from said body 2 along a longitudinal axis Y-Y orthogonal to the longitudinal axis X-X of t...

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Abstract

The invention relates to a sensor (1) for spectroscopic analysis of a variable pressure gaseous fuel for a motor vehicle, designed to be mounted on a supply for supplying said fuel connecting a fuel reservoir to an engine of said vehicle in the loop. According to the invention, said sensor (1) comprises a flow duct (4) of variable pressure gaseous fuel, a sliding guide duct (8) of optical flow and a movement mechanism (16, 18), said movement mechanism (16, 18) The sliding guide tube (8) is moved based on the variable pressure gaseous fuel sampled in the flow through conduit (4) to adapt the first window (12) to the change in pressure of the variable pressure gaseous fuel flowing in the flowthrough conduit (4) ) is spaced apart from the second window (14) by a distance (C1).

Description

technical field [0001] The invention relates to the field of electronic sensors for motor vehicles, and in particular to a sensor for spectroscopic analysis of variable pressure gaseous fuels for a motor vehicle, and also to a motor vehicle comprising such a sensor. Background technique [0002] In motor vehicles, it is known to use sensors for spectroscopic analysis of the vehicle's fuel. Thus, sensors are known for spectroscopic analysis of liquid fuels such as petrol or diesel, as well as sensors for spectroscopic analysis of pressurized variable pressure gaseous fuels such as methane or hydrogen. [0003] Such sensors are installed in the fuel supply circuit connecting the fuel reservoir to the engine and are known to comprise tubes through which the fuel flows. This tube consists of two transparent or translucent parts, called windows, which are arranged facing each other so as to allow the flow of light through the fuel flowing in the tube. [0004] After the light f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/3504G01N21/03G01N21/05
CPCG01N21/0303G01N21/05G01N21/3504G01N2021/036F02D41/1451F02D41/0027F02D2200/0611Y02T10/30F02D19/022G01N21/255G01N2201/08
Inventor W.瓦斯扎X.巴瑞
Owner VTESCO TECH GMBH
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