Electric motors
US-2024171046-A1 · May 23, 2024 · US
Linear motor and stage device
US9178406B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9178406-B2 |
| Application number | US-201113238409-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 21, 2011 |
| Priority date | Oct 7, 2010 |
| Publication date | Nov 3, 2015 |
| Grant date | Nov 3, 2015 |
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- Title
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Abstract
Official abstract text for this publication.
A linear motor includes a field magnet and an armature. The field magnet includes a pair of opposing field magnet yokes. A yoke base is disposed on a first end of each field magnet yoke in a Y axis direction. Between the field magnet yokes, a first magnet row is disposed including, along an X axis direction, a plurality of opposing pairs of first magnets having different polarities. Between the field magnet yokes, a second magnet row is disposed to a first side or a second side of the first magnet row in the Y axis direction. The second magnet row includes a pair of opposing second magnets having different polarities and forming a single row in the Y axis direction on the field magnet yokes. The armature includes a first armature coil opposite the first magnet row and a second armature coil opposite the second magnet row.
First claim
Opening claim text (preview).
What is claimed as new and desired to be secured by Letters Patent of the United States is: 1. A linear motor having an X axis direction and a Y axis direction orthogonal to the X axis direction, the linear motor comprising: a field magnet serving as one of a rotor and a stator, the field magnet comprising: a pair of planar, mutually opposing field magnet yokes; a yoke base on a first end of each of the pair of field magnet yokes in the Y axis direction; and only two magnet r…
Assignees
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Classifications
Electricity · mapped topic
Electricity · mapped topic
- H02K41/031Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9178406B2 cover?
- A linear motor includes a field magnet and an armature. The field magnet includes a pair of opposing field magnet yokes. A yoke base is disposed on a first end of each field magnet yoke in a Y axis direction. Between the field magnet yokes, a first magnet row is disposed including, along an X axis direction, a plurality of opposing pairs of first magnets having different polarities. Between the…
- Who is the assignee on this patent?
- Hoshi Toshiyuki, Watanabe Kenji, Yaskawa Denki Seisakusho Kk
- What technology area does this patent fall under?
- Primary CPC classification H02K41/031. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 03 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).