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US-12046935-B2 · Jul 23, 2024 · US
Electric motor and reduction motor
US8941283B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8941283-B2 |
| Application number | US-201313859475-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 9, 2013 |
| Priority date | Oct 7, 2008 |
| Publication date | Jan 27, 2015 |
| Grant date | Jan 27, 2015 |
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Abstract
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A windshield wiper motor includes a reduction mechanism unit and an electric motor. The electric motor includes a yoke formed in a bottomed cylindrical shape; four magnets arranged in a cylindrical shape on an inner surface of the yoke, an armature including a rotary shaft rotatably supported by the yoke, an armature core fixed to the rotary shaft and including any teeth of fourteen teeth, eighteen teeth, and twenty two teeth, a commutator being fixed to the rotary shaft and including a plurality of segments insulated from each other with the same number as the number of the teeth of the armature core, an armature coil being wound, and a plurality of connecting wires respectively connected to the segments arranged to face each other around the rotary shaft, and a first brush, a second brush, and a third brush coming into sliding contact with the segments of the commutator.
First claim
Opening claim text (preview).
The invention claimed is: 1. A windshield wiper motor comprising: a reduction mechanism unit including an output shaft that drives a wiper device of a vehicle; and an electric motor that drives the reduction mechanism, wherein the electric motor includes: a yoke formed in a bottomed cylindrical shape; four magnets arranged in a cylindrical shape on an inner surface of the yoke so that magnetic poles thereof are arranged so as to be alternate with each other; an armature i…
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Frequently asked questions
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- What does patent US8941283B2 cover?
- A windshield wiper motor includes a reduction mechanism unit and an electric motor. The electric motor includes a yoke formed in a bottomed cylindrical shape; four magnets arranged in a cylindrical shape on an inner surface of the yoke, an armature including a rotary shaft rotatably supported by the yoke, an armature core fixed to the rotary shaft and including any teeth of fourteen teeth, eigh…
- Who is the assignee on this patent?
- Saito Tatsuyuki, Takakusagi Ryuichi, Kimura Toshiyuki, and 3 more
- What technology area does this patent fall under?
- Primary CPC classification H02K13/10. 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).