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Testing device for gas circulating pump

A test device and gas circulation technology, which is applied in pump testing, liquid variable displacement machinery, machine/engine, etc., can solve problems such as single working condition parameters, failure to cover the application environment of fuel cell systems, and single performance of circulating pumps. Achieve high thermal efficiency, convenient leak detection operation, and precise gas temperature control

Pending Publication Date: 2019-12-17
WUXI WEIFU HIGH TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In the normal test mode, the parameters of the working conditions are single, and the performance of the circulation pump is single, which cannot cover the complex and changeable application environment of the fuel cell system, and it is impossible to determine the applicability of the newly developed circulation pump before the whole system test

Method used

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  • Testing device for gas circulating pump

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Embodiment Construction

[0035] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings. Wherein the same components are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The terms "inner" and "outer" are used to refer to directions toward or away from, respectively, the geometric center of a particular component.

[0036] Such as figure 1 Shown, provide a kind of test device of gas circulation pump, the test device of described gas circulation pump comprises

[0037] The inlet working condition regulation passage 100, the inlet working condition regulation passage 100 includes the inlet air pressure regulation passage 110 and the inlet temperature and humidity r...

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Abstract

The invention relates to a testing device for a gas circulating pump, in particular to a testing device for the performance of a hydrogen circulating pump of a fuel cell system. The testing device ofthe gas circulating pump comprises inlet working condition regulating and controlling passages, inlet working condition detection devices, an outlet working condition regulating and controlling passage and outlet working condition detecting devices, wherein the inlet working condition regulating and controlling passages comprise the inlet air pressure regulating and controlling passage and the inlet temperature and humidity regulating and controlling passage, the output end of the inlet air pressure regulating and controlling passage is connected with the inlet temperature and humidity regulating and controlling passage and is connected to the inlet end of the tested circulating pump, the inlet working condition detecting devices are arranged on the inlet working condition regulating and controlling passages, the input end of the outlet working condition regulating and controlling passage is connected with the output end of the tested circulating pump, and the outlet working conditiondetecting devices are arranged on the outlet working condition regulating and controlling passage.

Description

technical field [0001] The invention relates to a test device for a gas circulation pump, in particular to a test device for the performance of a hydrogen circulation pump in a fuel cell system. Background technique [0002] The function of the hydrogen circulation pump in the fuel cell system is to pump the unreacted hydrogen from the outlet of the fuel cell back to the inlet of the fuel cell in the hydrogen circuit of the fuel cell power generation system, and then enter the fuel cell after combining with the inlet reaction gas. On the one hand, the circulation pump can be used to bring the moisture of the reaction gas tail gas into the battery for humidification; on the other hand, it can increase the flow rate of hydrogen in the anode flow channel of the fuel cell, prevent the accumulation of anode water, and avoid the anode flooding; at the same time It also serves the purpose of improving the utilization rate of hydrogen. [0003] The test results of the flow performa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04B51/00
CPCF04B51/00
Inventor 张华超李鸿毅
Owner WUXI WEIFU HIGH TECH CO LTD
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