Motor with backing ring diecast in rotor can
US-2015381006-A1 · Dec 31, 2015 · US
Metal magnet and motor using the same
US9028981B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9028981-B2 |
| Application number | US-81402910-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jun 11, 2010 |
| Priority date | Jun 29, 2009 |
| Publication date | May 12, 2015 |
| Grant date | May 12, 2015 |
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Abstract
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A metal magnet 10 including a magnet body 12 and a coating layer 14 over the magnet body 12 , in which the coating layer 14 has a Martens hardness of 2000 N/mm 2 or more and an elastic resilience of 25% or less, and a motor including the metal magnet 10.
First claim
Opening claim text (preview).
What is claimed is: 1. A metal magnet comprising: a magnet body; and a coating layer over the magnet body, wherein the coating layer being a plated film has a Martens hardness of 2500-5000 N/mm 2 and an elastic resilience of 25% or less; wherein the coating layer is a Ni-plated film, a Ni—B-plated film, a Ni—P-plated film, a Cu-plated film, a Zn-plated film, a Cr-plated film, a Sn-plated film, an Ag-plated film, an Au-plated film, an Al-plated film, or a metal-plated layer co…
Assignees
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Chemistry & Metallurgy · mapped topic
Cross-Sectional Technologies · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Chemistry & Metallurgy · mapped topic
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Frequently asked questions
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- What does patent US9028981B2 cover?
- A metal magnet 10 including a magnet body 12 and a coating layer 14 over the magnet body 12 , in which the coating layer 14 has a Martens hardness of 2000 N/mm 2 or more and an elastic resilience of 25% or less, and a motor including the metal magnet 10.
- Who is the assignee on this patent?
- Yoshida Kenichi, Hagiwara Jun, Tdk Corp
- What technology area does this patent fall under?
- Primary CPC classification H02K1/2786. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue May 12 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).