203387 ⎘
Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them wherein a mercury contact constitutes the current-carrying conductor
Process and device for current limiting with an automatic current limiter
#2Method and apparatus for current limiting by means of a liquid metal current limiter
#3Metallic contact electrical switch incorporating lorentz actuator