Patent ID: 11946562
Assignee: ZHEJIANG DUNAN ARTIFICIAL ENVIRONMENT CO., LTD.
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A pilot valve, comprising
a valve body having a cylindrical structure,
a concentrating flux sleeve made of permeability magnetic material wherein the concentrating flux sleeve has a hollow structure, and the concentrating flux sleeve is sleeved on and fixed to a first end of the valve body; and
a coil assembly sleeved on the concentrating flux sleeve, wherein the coil assembly comprises an electromagnetic coil wound along a circumference of the concentrating flux sleeve,
wherein the valve body comprises a valve sleeve having a hollow cylindrical structure and a valve core accommodated and fixed in the valve sleeve, the concentrating flux sleeve is sleeved on the valve sleeve and fixed to a first end of the valve sleeve,
a side wall at the first end of the valve sleeve is provided with a mounting groove, and the mounting groove is disposed on an edge of the side wall of the valve sleeve along a circumference of the valve sleeve, and the concentrating flux sleeve is sleeved on and fixed in the mounting groove, and
the concentrating flux sleeve extends from an end of the electromagnetic coil to another end of the electromagnetic coil along an axis of the electromagnetic coil.