Patent ID: 11959561
Assignee: ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 3:
4. The electronic expansion valve according to claim 1, wherein the driving mechanism (30) further comprises a rotor (1-36), a lead screw (1-31), a nut seat (1-32) and a second noise reduction member (1-34) in the at least one noise reduction member, the rotor (1-36) being connected to the lead screw (1-31), the lead screw (1-31) penetrating into the nut seat (1-32), the lead screw (1-31) being connected to the actuator (20) by the connection sleeve assembly (1-35), and the second noise reduction member (1-34) being arranged between the lead screw (1-31) and the nut seat (1-32).