ELECTROMAGNETIC ACTUATOR

The magnetic resistance of a magnetic path that passes through a coil (6) is increased by magnetically dividing a stator core into a plurality of divided cores (4, 5) in such a manner that the magnetic flux of a permanent magnet (7) flows through the magnetic path when a projection (82) of a plunger...

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Bibliographic Details
Main Authors SUGAWARA Masafumi, DAIKOKU Akihiro, ARITA Hideaki, TESEN Satoshi, OGAWA Toru
Format Patent
LanguageEnglish
Published 29.03.2018
Subjects
BASIC ELECTRIC ELEMENTS
BLASTING
COMBUSTION ENGINES
CONTROLLING COMBUSTION ENGINES
CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
ELECTRICITY
ENGINE PLANTS IN GENERAL
HEATING
HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
INDUCTANCES
LIGHTING
MACHINES OR ENGINES IN GENERAL
MAGNETS
MEASURING
MEASURING ANGLES
MEASURING AREAS
MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS
MECHANICAL ENGINEERING
PHYSICS
SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
STEAM ENGINES
TESTING
TRANSFORMERS
WEAPONS
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Summary:The magnetic resistance of a magnetic path that passes through a coil (6) is increased by magnetically dividing a stator core into a plurality of divided cores (4, 5) in such a manner that the magnetic flux of a permanent magnet (7) flows through the magnetic path when a projection (82) of a plunger (8) magnetically connects the divided cores (4, 5), hence the magnetic resistance of the magnetic path that passes through the coil (6) rapidly changes due to a positional relationship between a gap between the divided cores (4, 5) and the plunger (8), and the magnetic flux that flows through the magnetic path rapidly changes, and moreover a large back electromotive force is produced.
Bibliography:Application Number: US201515564983