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US 11,946,562 B2Granted
Pilot valve
AssigneeZhejiang Dunan Artificial Environment Co., Ltd.
InventorsJianjun Chen, Haibo Liu
Life of this patent
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Abstract
A pilot valve is provided, which comprises a valve body having a cylindrical structure, a magnetically permeable sleeve made of permeability magnetic material, and a coil assembly. The magnetically permeable sleeve is sleeved and fixed on one end of the valve body. The coil assembly is sleeved on the magnetically permeable sleeve. The coil assembly comprises an electromagnetic coil wound along the circumference of the magnetically permeable sleeve.
Claims8
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.
4 more elements
Dependencies are inferred from the claim text.