Zhejiang Dunan Artificial Environment Co., Ltd.

Xuefei Xu

Yuchen He

Leqiang Liu

An electronic expansion valve (-) is provided. The electronic expansion valve (-) includes: a screw (-), a valve needle (-), and an elastic member (-). One end of the elastic member (-) acts on the screw (-) and the other end acts on the valve needle (-). A bearing (-) is arranged between the screw (-) and the valve needle (-). The bearing (-) has an inner ring and an outer ring. One of the screw (-) and the valve needle (-) is fixed with the inner ring of the bearing (-), and the other acts on the outer ring of the bearing (-) through the elastic member (-). An air conditioning system using the electronic expansion valve (-) is provided. In the electronic expansion valve (-), the bearing (-) is arranged between the valve needle (-) and the screw (-).

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Zhejiang, China

Xuefei Xu