# US 2026/0095084 A1 · Resolver

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- Number: US 2026/0095084 A1
- Document ID: US20260095084A1
- Status: Published application
- Kind: A1
- Application number: 19/337,276
- Filed: 2025-09-23
- Published: 2026-04-02
- Earliest claimed: 2024-09-27
- Assignees: Sanyo Denki Co., Ltd.
- Applicants: Sanyo Denki Co., Ltd.
- Inventors: Daisuke YAMAGUCHI; Kazuhiro MAKIUCHI; Kenta MATSUHASHI
- Web page: https://patentgrep.com/patent/US20260095084A1

## CPC

- H02K 24/00: Machines adapted for the instantaneous transmission or reception of the angular displacement of rotating parts, e.g. synchro, selsyn
- H02K: DYNAMO-ELECTRIC MACHINES (dynamo-electric relays H01H53/00; conversion of DC or AC input power into surge output power {H03K3/53})

## Abstract

Provided is a resolver including: a tooth; a stator core; and a coil, in which a plurality of the teeth is arranged in a circumferential direction of the stator core, and protrudes in a radial direction of the stator core, the coil is attached to each of the plurality of the teeth, and the coil attached to at least one of the plurality of the teeth is placed at a position different in the radial direction of the stator core from the coils attached to the other teeth.

## Claims

### Claim 1

A resolver comprising:
a tooth;
a stator core; and
a coil, wherein
a plurality of the teeth is arranged in a circumferential direction of the stator core, and protrudes in a radial direction of the stator core,
the coil is attached to each of the plurality of the teeth, and
the coil attached to at least one of the plurality of the teeth is placed at a position different in the radial direction of the stator core from the coils attached to the other teeth.

### Claim 2 (depends on 1)

The resolver according to claim 1, wherein
the plurality of the teeth includes first teeth each having a step portion, and second teeth having no step portion, and
each of the step portions is configured to position the coil in the radial direction of the stator core.

### Claim 3 (depends on 2)

The resolver according to claim 2, wherein the first teeth and the second teeth are alternately placed in the circumferential direction of the stator core.

### Claim 4 (depends on 1)

The resolver according to claim 1, wherein winding specifications of the coil attached to one of the plurality of the teeth are substantially the same as winding specifications of all the coils attached to the remaining teeth.

### Claim 5 (depends on 1)

The resolver according to claim 1, wherein the resolver is of an outer rotor type.