SWITCH ELECTRIC DRIVE CUT-IN DEVICE (VERSIONS) Russian patent published in 1998 - IPC

FIELD: railway transport; cutting in device for single or paired switches. SUBSTANCE: device of first design version has automatic selector of single switch electric drive, two four terminal noise suppressing capacitors. First and second working contacts of automatic selector of electric drive are connected, through terminals of beginnings of plates of first and second capacitors, with first wire and first and second diodes are connected in opposition to terminals of end of plates of above indicated capacitors. Device of second design version has automatic selectors of paired switch electric drives and capacitors. Contacts of automatic selector of first electric drive are connected, through terminals of beginnings of plates of first and second capacitors, with first wire, and first and second diodes are connected in opposition to terminals of ends of plates of above indicated capacitors. EFFECT: enhanced reliability of operation. 2 cl, 2 dwg