TY - JOUR
AU - Romanenko, M.
AB - PULSED ELECTROMAGNETIC OPERATOR FOR ELECTROPNEUMATIC VALVES I. R. Kriehker, V. L. Kisel', UDC 621.318.3-347 and M. T. Romanenko NPO Kievarmatura has developed a pulsed electromagnet (Fig. 1) designed for two-position actuation of electropneumatic valves. The armature 1 of the eleetromagnet with a slide valve is located in sealed housing 2. Disc 5, constructed of high retentivity magnetic material, is located between the housing and the external magnetic aetuator 4. Control winding 7 is wound on frame 6 which insulates the winding from the housing. The armature, housing, and magnetic aetuator are fabricated of low retentivity magnetic material. A current impulse of 0.1 see duration is applied to the control winding. This creates a magnetic flux between the upper section of the core and the housing which causes the core to move up. High reten- tivity magnetic disc 5 is magnetized and after the cessation of the electric impulse creates a magnetic field in the operating gap which keeps the core in its upper position. The high retentivity magnet insert is demagnetized by applying a 0.1 see electrical impulse of opposite polarity. This removes the magnetic field and the core is returned to its lower position by spring 3. Tests 
TI - Pulsed electromagnetic operator for electropneumatic valves
JF - Chemical and Petroleum Engineering
DO - 10.1007/BF01144628
DA - 2005-01-28
UR - https://www.deepdyve.com/lp/springer-journals/pulsed-electromagnetic-operator-for-electropneumatic-valves-nbgJvvOnq7
SP - 294
EP - 295
VL - 8
IS - 3
DP - DeepDyve
ER -