Electric motor
US-2018226853-A1 · Aug 9, 2018 · US
DC motor with concentrated windings having connecting wires run through armature slots
US8941280B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8941280-B2 |
| Application number | US-201113581443-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 29, 2011 |
| Priority date | Mar 30, 2010 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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Abstract
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A dc motor includes a stator having multiple field magnet poles, and an armature having an armature core, armature coils, and a commutator, and brushes brought into contact with the commutator. The armature coils include concentrated winding coil units wound on respective teeth, and connecting wire units that electrically connect each of the concentrated winding coil units together. A segment group of the commutator includes a first segment and a second segment placed adjacent to each other, to which the concentrated winding coil units are connected, the segment group also includes a third segment disposed next to the adjacent placement, and only the connecting wire unit is connected to the third segment. The connecting wire units include connecting wire units that pass through slots and connect each of the concentrated winding coil units together.
First claim
Opening claim text (preview).
The invention claimed is: 1. A dc motor comprising: a stator that comprises a plurality of field magnet poles; an armature core that comprises a plurality of teeth and slots formed between two adjacent teeth; an armature coil that comprises a plurality of concentrated winding coil units each individually wound on a different one of the teeth in the slots and a plurality of connecting wire units each electrically connecting two of the plurality of concentrated winding coil unit…
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- What does patent US8941280B2 cover?
- A dc motor includes a stator having multiple field magnet poles, and an armature having an armature core, armature coils, and a commutator, and brushes brought into contact with the commutator. The armature coils include concentrated winding coil units wound on respective teeth, and connecting wire units that electrically connect each of the concentrated winding coil units together. A segment g…
- Who is the assignee on this patent?
- Sakon Syouzou, Uchida Yasuharu, Okubo Jiro, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification H02K23/30. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jan 27 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).