Rotor assembly for an electric excited synchronous motor (eesm)
US-2024429783-A1 · Dec 26, 2024 · US
Motor
US2025286421A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2025286421-A1 |
| Application number | US-202418970645-A |
| Country | US |
| Kind code | A1 |
| Filing date | Dec 5, 2024 |
| Priority date | Mar 5, 2024 |
| Publication date | Sep 11, 2025 |
| Grant date | — |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
The present disclosure relates to a motor. The motor is equipped with a shaft center cooling structure. The motor includes a rotor shaft that includes, on a shaft center, at least two kinds of a first coolant channel and a second coolant channel. The coolant channels are each configured separately along a rotation axis direction.
First claim
Opening claim text (preview).
What is claimed is: 1 . A motor equipped with a shaft center cooling structure, the motor comprising a rotor shaft that includes, on a shaft center, at least two kinds of coolant channels that are each configured separately along a rotation axis direction. 2 . The motor according to claim 1 , wherein: in the rotor shaft, the at least two kinds of coolant channels include a first coolant channel and a second coolant channel; and each of the first coolant channel and the second coolant channel includes a section that overlaps at a portion extending along the rotation axis direction.
Assignees
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Classifications
Rotating parts of the magnetic circuit · CPC title
Stationary parts of the magnetic circuit · CPC title
for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil · CPC title
- H02K1/32Primary
with channels or ducts for flow of cooling medium · CPC title
Couplings; Details of shafts (means for mounting rotors on shafts H02K1/28) · CPC title
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US2025286421A1 cover?
- The present disclosure relates to a motor. The motor is equipped with a shaft center cooling structure. The motor includes a rotor shaft that includes, on a shaft center, at least two kinds of a first coolant channel and a second coolant channel. The coolant channels are each configured separately along a rotation axis direction.
- Who is the assignee on this patent?
- Toyota Motor Co Ltd
- What technology area does this patent fall under?
- Primary CPC classification H02K1/32. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Sep 11 2025 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). 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).