PIPELINE SOLENOID VALVE Russian patent published in 2006 - IPC F16K31/02 

FIELD: valving.

SUBSTANCE: valve comprises housing with the main seat, supplying and discharging branch pipes, and housing lid with solenoid drive that is secured under the lid. The solenoid valve has winding, protecting member for the winding, armature, central rod, armature with sealing disk on the face, and return spring. The valve has servodrive made of cylinder with charging and discharging openings and control seat. The housing is made of hollow cylinder with face that is detachably connected with cylinder and provided with supplying branch pipe and main seat. The cylinder of the servodrive is secured to the face from inside. The face of the piston has charging opening and sealing ring. The armature of the solenoid drive is made of disk provided with two groups of drain openings and provided with the nonferromagnetic centering bushing. The core of the electromagnet is made of hollow rod and is rigidly connected with the face. The yoke is made of ring and arranged over the periphery of the lid and housing of the valve. The outlet branch pipe of the device is secured to the lid of the valve coaxially with the opening of the central rod of the electromagnet.

EFFECT: simplified structure.

4 cl, 1 dwg