# US 2013/0278113 A1 · Oscillatory wave motor

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- Number: US 2013/0278113 A1
- Document ID: US20130278113A1
- Status: Published application
- Kind: A1
- Application number: 13/923,109
- Filed: 2013-06-20
- Published: 2013-10-24
- Earliest claimed: 2010-03-23
- Assignees: Canon Kabushiki Kaisha
- Applicants: Canon Kabushiki Kaisha
- Inventors: Hajime Kanazawa
- Web page: https://patentgrep.com/patent/US20130278113A1

## CPC

- H02N 2/001: {Driving devices, e.g. vibrators}
- H02N 2/006: {Elastic elements, e.g. springs (in general F16F1/00)}
- H02N 2/009: {Thermal details, e.g. cooling means}
- H02N 2/163: {Motors with ring stator}
- H02N: ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR

## Abstract

An oscillatory wave motor includes an oscillator having an oscillation body and an electro-mechanical energy-converting element, and a flexible heat-conducting member configured to dissipate heat generated by the oscillatory wave motor. The oscillatory wave motor drives a moving body in contact with a contact portion formed in the oscillation body by an elliptical movement of the oscillator, and the heat-conducting member is provided in addition to a heat-conducting path that conducts heat generated by the oscillatory wave motor through an oscillator supporting member that supports the oscillator or a heat-conducting path that conducts heat through the moving body.

## Claims

### Claim 1

An oscillatory wave motor comprising:
an oscillator including an oscillation body and an electro-mechanical energy-converting element;
an oscillator supporting member connected to the oscillator;
a base on which the oscillator is mounted through the oscillator supporting member; and
a heat-conducting member being flexible,
wherein the heat-conducting member is in contact with the base and the oscillation body.

### Claim 2 (depends on 1)

The oscillatory wave motor according to claim 1,
wherein the oscillator includes a damper provided between the oscillator and the base.

### Claim 3 (depends on 1)

The oscillatory wave motor according to claim 1, wherein the heat-conducting member has a string-like shape.

### Claim 4 (depends on 1)

The oscillatory wave motor according to claim 1, wherein the heat-conducting member has a thin plate-like shape.

### Claim 5 (depends on 1)

The oscillatory wave motor according to claim 1, wherein the heat-conducting member comprises a material containing at least one of metal, graphite, and carbon fiber.

### Claim 6 (depends on 1)

The oscillatory wave motor according to claim 1, wherein the oscillatory wave motor drives the moving body by an elliptical movement of the oscillator.

### Claim 7

An oscillatory wave motor comprising:
an oscillator including an oscillation body and an electro-mechanical energy-converting element;
a moving body including a first portion, a second portion having a surface to be in contact with the oscillation body, and a damper which is provided between the first portion and the second portion, and
a heat-conducting member being flexible,
wherein the heat-conducting member is in contact with the first portion and the second portion.

### Claim 8 (depends on 7)

The oscillatory wave motor according to claim 7, wherein the first portion is a moving-body main portion and the second portion is a moving-body contact spring portion.

### Claim 9 (depends on 7)

The oscillatory wave motor according to claim 7,
wherein the heat-conducting member has a string-like shape.

### Claim 10 (depends on 7)

The oscillatory wave motor according to claim 7,
wherein the heat-conducting member has a thin plate-like shape.

### Claim 11 (depends on 7)

The oscillatory wave motor according to claim 7,
wherein the heat-conducting member comprises a material containing at least one of metal, graphite, and carbon fiber.

### Claim 12 (depends on 7)

The oscillatory wave motor according to claim 7, wherein the oscillatory wave motor drives the moving body by an elliptical movement of the oscillator.

### Claim 13

An oscillatory wave motor comprising:
an oscillator including an oscillation body and an electro-mechanical energy-converting element;
a moving body in contact with the oscillation body;
a pressure member which applies pressure to the moving body in a direction with a damper interposed between the pressure member and the moving body; and
a heat-conducting member being flexible at least in the direction,
wherein the heat-conducting member is in contact with an outer portion of the moving body and the pressure member.

### Claim 14 (depends on 13)

The oscillatory wave motor according to claim 13, wherein the heat-conducting member has a string-like shape.

### Claim 15 (depends on 13)

The oscillatory wave motor according to claim 13, wherein the heat-conducting member has a thin plate-like shape.

### Claim 16 (depends on 13)

The oscillatory wave motor according to claim 13, wherein the heat-conducting member comprises a material containing at least one of metal, graphite, and carbon fiber.

### Claim 17 (depends on 13)

The oscillatory wave motor according to claim 13, wherein the oscillatory wave motor drives the moving body by an elliptical movement of the oscillator.
