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公开(公告)号:US20240026986A1
公开(公告)日:2024-01-25
申请号:US18027917
申请日:2021-09-29
发明人: Shaojun ZHAN , Yonghao CHEN , Guanjun XU
CPC分类号: F16K17/044 , F16K1/42
摘要: Disclosed is a flow regulating valve. The flow regulating valve includes: a valve body structure, where the valve body structure includes a main body and a sealing seat connected with the main body, the sealing seat is provided with a valve port, and the sealing seat is made of a nonmetallic material; and a valve head movably arranged in a cavity of the main body to close or open the valve port, where the valve head is made of a metal material, and a hardness of the sealing seat is less than a hardness of the valve head.
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公开(公告)号:US20240309962A1
公开(公告)日:2024-09-19
申请号:US18676655
申请日:2024-05-29
发明人: Jiyou ZHANG , Yonghao CHEN , Lifeng ZHENG
CPC分类号: F16K27/029 , F16K31/0675 , F16K51/00
摘要: An expansion valve coil structure, a method for preparing an expansion valve coil structure and an expansion valve are provided. The expansion valve coil structure includes a stator housing and an electromagnetic pole plate, the stator housing and the electromagnetic pole plate are disposed opposite to each other. The stator housing and the electromagnetic pole plate are both provided with a plurality of processed exposed surfaces. A surface of the stator housing and a surface of the electromagnetic pole plate are covered with a first antirust layer. Each of the plurality of processed exposed surfaces is covered with a second antirust layer The expansion valve includes the expansion valve coil structure.
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公开(公告)号:US20240003427A1
公开(公告)日:2024-01-04
申请号:US18039724
申请日:2021-11-25
发明人: Yuchen HE , Shaojun ZHAN , Yonghao CHEN
CPC分类号: F16K1/36 , F25B41/35 , F16K1/04 , F16K2200/401
摘要: The disclosure provides a valve core assembly and an electronic expansion valve having the valve core assembly. The valve core assembly includes: a valve head, herein an inner wall surface of the valve head is provided with a flange portion which is inwardly protruded, and the flange portion is configured to divide an inner cavity of the valve head into an upper cavity body and a lower cavity body; a screw penetrating into the valve head; and an annular member sleeved at a lower end of the screw and located in the lower cavity body, herein an upper end face of the annular member is in contact with a lower end face of the flange portion. Herein the flange portion is provided with a balancing channel, and the balancing channel connects the upper cavity body and the lower cavity body.
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