Magnetic field apparatus and linear motor
Number of patents in Portfolio can not be more than 2000
United States of America
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Dec 24, 2024
Grant Date -
Jul 27, 2023
app pub date -
Nov 22, 2022
filing date -
Nov 22, 2022
priority date (Note) -
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Abstract
A magnetic field apparatus includes a main magnet that generates a magnetic field with respect to an armature, a member made of a soft magnetic material and disposed adjacent to an end surface of the main magnet on a side opposing the armature, an auxiliary magnet that increases a magnetic flux of a magnetic pole of the main magnet on the side opposing the armature and disposed adjacent to the main magnet and the member in a relative moving direction between the magnetic field apparatus and the armature, and a restricting part that restricts the magnetic flux of the main magnet passing through an end surface of the member along a third direction that is perpendicular to both a first direction in which the main magnet and the armature oppose each other, and a second direction corresponding to the relative moving direction between the magnetic field apparatus and the armature.
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