ELECTROMAGNETIC VALVE Russian patent published in 2003 - IPC

FIELD: machine engineering, automobile construction, chemical, gas production and other industry branches, namely shutoff fittings for different gaseous and liquid media. SUBSTANCE: electromagnetic valve includes electromagnet; housing; control cavity with portion having variable cross section. Main shutoff organ is in the form of sleeve with slit elastic ring and discharging duct. The last is closed by means of spring-loaded armature. Slit elastic ring includes slot-like charging duct with controlled area of its flow-through cross section. Such valve allows to eliminate influence of temperature of environment and of working fluid upon valve operation. EFFECT: enhanced operational reliability, simplified design, possibility for controlling operation time interval. 2 dwg