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Novel circulating pump of hydrogen fuel cell system

A fuel cell system and circulating pump technology, applied in fuel cells, liquid fuel engines, pumps, etc., can solve problems such as energy waste and reduced reactor efficiency, and achieve the effect of ensuring long-term reliable operation

Pending Publication Date: 2021-07-13
无锡德信微特电机有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If it is directly discharged into the air, it will cause energy waste and reduce the efficiency of the reactor, so it is necessary to recycle hydrogen

Method used

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  • Novel circulating pump of hydrogen fuel cell system
  • Novel circulating pump of hydrogen fuel cell system

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Embodiment Construction

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific examples.

[0020] A new circulating pump for a hydrogen fuel cell system, including an impeller shaft 2, an impeller 5, a windshield 1, a stator part, and a rotor part. The windshield 1 is provided with an impeller shaft 2, and the impeller shaft 2 is provided with an impeller bracket 6 and 5 sets of impellers. Located on the impeller support 6, the impeller support 6 is also provided with a rotor part, the stator part is arranged on one side of the rotor part, the rotor part and the stator part are isolated by the motor front end cover 13, and the motor front end cover 13 is connected to the wind cover 1.

[0021] The rotor part includes a rotor magnetic sheet 9 sheathed on the impeller support 6 , and a magnetic sheet outer cover 10 is provided on the rotor magnetic sheet 9 .

[0022] The stator part includes a stator core 14 , a stator frame 15 ...

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PUM

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Abstract

The invention discloses a novel circulating pump of a hydrogen fuel cell system. The novel circulating pump of the hydrogen fuel cell system comprises an impeller shaft, an impeller, a fan cover, a stator part and a rotor part, the impeller shaft is arranged in the fan cover, an impeller bracket is arranged on the impeller shaft, the impeller sleeves the impeller bracket, the rotor part is further arranged on the impeller bracket, and the stator part is arranged on one side of the rotor part. The rotor part and the stator part are isolated through a motor front end cover, and the motor front end cover is connected with the fan cover. According to the novel circulating pump of the hydrogen fuel cell system, the stator part and the rotor part of the motor are isolated through the motor front end cover, only the rotor part runs in a hydrogen environment, hydrogen possibly leaked is prevented from entering the stator part, and corrosion damage of hydrogen and water vapor to a stator iron core and a stator coil is prevented.

Description

technical field [0001] The invention relates to a hydrogen circulation pump for a hydrogen fuel cell system using a high-speed motor, and belongs to the technical field of new energy automobile parts. Background technique [0002] Hydrogen fuel cells transport hydrogen and oxygen to the stack to generate electrical energy, and convert chemical energy directly into electrical energy. During this process, hydrogen and oxygen do not react completely, and some hydrogen remains in the exhaust gas after the reaction. If it is directly discharged into the air, it will cause energy waste and reduce the efficiency of the reactor, so it needs to be recycled for hydrogen. This process is to use the hydrogen circulation pump to pump the waste gas back to the stack inlet for further reaction and utilization. Since hydrogen is a flammable, explosive and dangerous gas, and has a hydrogen embrittlement effect on many metals, a hydrogen circulation pump with a special structure is required...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D25/06F04D29/02F04D29/08H01M8/04089
CPCF04D25/06F04D29/023F04D29/083H01M8/04089Y02E60/50
Inventor 顾丰乐周运建
Owner 无锡德信微特电机有限公司