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

Claim 6:
7. The electronic expansion valve according to claim 2, wherein, the valve seat assembly comprises a main valve seat and an end cover, the main valve seat is fixedly connected to the end cover by welding, the main valve seat comprises a main circumferential wall portion, the outer wall portion comprises the main circumferential wall portion and the end cover, the end cover comprises a bottom wall portion, the valve port portion and the main circumferential wall portion are integrally formed or the valve port portion is fixedly connected to the main circumferential wall portion, the first port portion is located on the main circumferential wall portion, at least most part of the first port portion is located above the valve port portion, the second port portion is located on the bottom wall portion, and the second port portion is located below the valve port portion.