A reinforced electric induction gas sealed tunnel furnace is provided.

An impeder for use in an electric induction welding process is provided.

The invention relates to an electric channel induction furnace designed for use in industrial applications.

The two-coiled spring assembly of the present invention has improved electricity transfer characteristics by reducing electrical resistance and induction, and is simple to adjust the height of the test socket using a desired length of spring.

By electric induction, the electric field produce a separation of charges in the gate electrode and an alteration in the conduction state of the FET transistor.

A propulsion system for using a pair of electric induction motors (23a, 23b) to power a pair of vehicle drive wheels.

§ 6 How an electric induction meter works (for electricians).

The induction electric motor has a rotator (11) in which a double squirrel-cage secondary conductor is formed.

§ 6 How an electric induction meter works (for electricians).

The reduction process with induced stirring may be performed in an electric induction cold crucible, with or without a liner.

The invention relates to an electrical polyphase machine comprising an inner stator (11) and a rotor (3) that is mounted on a shaft (1).

An electrical inductive tool is lowered into position and used to provide the necessary heat to melt the metal.

An apparatus and process are provided for directional solidification of silicon by electric induction susceptor heating in a controlled environment.

An integrated process control installation is provided for electric induction metal melting furnaces with variable furnace states.

A magnetic flux concentrator is used to control the end heating of a tubular material in an electric induction heat treatment process.

Transformers are devices that transfer voltage between circuits from one level to another through electrical induction.