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Title: Superconductive coil system with protecting device

Patent ·
OSTI ID:5332445

A superconductive coil is disclosed, having both its terminals connected in parallel with a protecting device which has a diode and a unipolar d.c. motor connected in series with each other. The superconductive coil is further connected with an energizing d.c. power source through a switch. The conductive direction of the diode is so selected that the d.c. motor is driven by the energizing energy of the superconductive coil when the switch is opened in the quenching operation of the superconductive coil.

Assignee:
Hitachi, Ltd. (Japan)
Patent Number(s):
US 4393429
OSTI ID:
5332445
Resource Relation:
Patent Priority Date: Priority date 24 Apr 1980, Japan; Other Information: PAT-APPL-257375
Country of Publication:
United States
Language:
English