Patent ID: 11906217
Assignee: ZHEJIANG SANHUA INTELLIGENT CONTROLS CO., LTD.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 11:
12. The electronic expansion valve according to claim 11, wherein, the valve seat assembly comprises a first valve seat portion and a second valve seat portion, the first valve seat portion is fixedly connected to the second valve seat portion by welding; and
the first valve seat portion comprises the first circumferential wall portion and the valve port portion, the second valve seat portion comprises the second circumferential wall portion and the bottom wall portion, the first port portion is located on the first circumferential wall portion, the second port portion is located on the bottom wall portion, the first pipe connecting portion is fixedly connected to the first valve seat portion by welding, and the second pipe connecting portion is fixedly connected to the second valve seat portion by welding, at least most part of the second port portion is located below the second valve seat chamber, and the second port portion is opposite to the valve port portion.