Electromagnetic device

A stepping motor being a motor used in oil includes a coil formed with a conductor coated with an outer coating and wound around a bobbin, and coil terminals electrically connected to the conductor at ends thereof led out from the coil, the outer coating being removed from the conductor at the ends...

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Bibliographic Details
Main Authors HASEGAWA SHIRO, SUGANO CHIAKI, HASHIMOTO NAOYA, OZAWA HIROMASA, OHTA HIROHISA, MIYAOKU TERUO
Format Patent
LanguageEnglish
Published 02.05.2002
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
BLASTING
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
ENGINEERING ELEMENTS AND UNITS
GEARING
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
GENERATION
HEATING
INDUCTANCES
LIGHTING
MAGNETS
MECHANICAL ENGINEERING
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
THERMAL INSULATION IN GENERAL
TRANSFORMERS
WEAPONS
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Summary:A stepping motor being a motor used in oil includes a coil formed with a conductor coated with an outer coating and wound around a bobbin, and coil terminals electrically connected to the conductor at ends thereof led out from the coil, the outer coating being removed from the conductor at the ends thereof. The coil terminals are coated with a protective film made of a material having low permeability to elemental sulfur and sulfur compounds. Therefore, coil terminals and ends of the conductor are prevented from erosion by sulfur and organic sulfur compounds, thereby reducing risk of disconnection in the coil terminals and the conductor.
Bibliography:Application Number: US20010961187