Electromagnetic control valve

Details Electromagnetic control valve Electromagnetic control valve

1999-02-01

2000-02-29

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

25112915, 335260, F15B 13044, F16K 3106

Patent

active

060297042

ABSTRACT:
An electromagnetic control valve is composed of a spool section for switching fluid passages on or off, a solenoid section for driving the spool in one direction, a magnetic moving core slidably disposed in the stator, a nonmagnetic shaft fixed to the moving core, and a spring member for biasing the spool in the direction opposite to the one direction. The spool section includes a spool and a sleeve. The solenoid section is connected to the spool section and includes a cylindrical magnetic stator, cylindrical magnetic yoke disposed to surround the stator and a magnetic coil disposed between the stator and the yoke. The stator is fixed to the sleeve at one end and having a bottom at the other end thereof. The shaft has one end to be in contact with the end of the sleeve thereby positioning the moving core in a longitudinal direction in the stator.

REFERENCES:
patent: 4809749 (1989-03-01), Ichihashi
patent: 5118077 (1992-06-01), Miller et al.
patent: 5788213 (1998-08-01), Kanda et al.

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