Patent ID: 7004450
Filing Date: 2006-02-28
Classification: F16K,H01F

Abstract:
1. A solenoid valve comprising: a valve section having a valve member which comes into contact and separates from a valve seat to switch passage; and a solenoid portion for driving the valve member, wherein the solenoid portion comprises, a fixed magnetic member, a bobbin around which a coil is wound, a hollow magnetic cover surrounding the coil and constituting an outer profile of the solenoid portion, a magnetic plate provided in the magnetic cover adjacent to the bobbin, and a moving core which is slidably fitted into center holes formed such as to pass through the magnetic plate and the bobbin and which is adsorbed by the fixed magnetic member, an electrical insulation film no thicker than a thickness of the magnetic cover is integrally formed on at least an inner surface among inner and outer surfaces of the magnetic cover, but not on the coil.