MAGNET CONTROLLED VALVE Russian patent published in 2010 - IPC F16K31/08 

FIELD: machine building.

SUBSTANCE: magnet controlled valve consists of metal case with threaded cover, base and partition, of spring loaded shutoff element with rod, of seat in form of branch with sealing collar on end, of washer made out of magnet material on the rod, of constant magnets, of two -upper and lower- magnet lines and of throttling disk. The latter is installed in a flow section of the branch of the seat and is rigidly tied with the shutoff element. A hollow bolt is secured in the cover of the case; the bolt has an end seal and is fixed with a lock-nut. A threaded pin with packing rings is inserted in the cavity of the bolt; the pin is designed to axially travel and is fixed with rod of the shut-off element. The constant magnets are made in form of disks. The magnets are arranged in the washer secured on the rod in circular borings on its upper and lower surfaces tightly to each other along circumferences of circular grooves. The upper magnet conductor can axially travel in the cover of the case, it is fixed with a stop ring and is equipped with a spring. A lower plane of the upper magnet line has a circular boring.

EFFECT: design of long and reliably operating valve with wide range of control over pressure drop of working agent in it.

3 dwg