JP7616343B2 - 超音波モータ - Google Patents

超音波モータ Download PDF

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Publication number
JP7616343B2
JP7616343B2 JP2023500682A JP2023500682A JP7616343B2 JP 7616343 B2 JP7616343 B2 JP 7616343B2 JP 2023500682 A JP2023500682 A JP 2023500682A JP 2023500682 A JP2023500682 A JP 2023500682A JP 7616343 B2 JP7616343 B2 JP 7616343B2
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JP
Japan
Prior art keywords
spring member
shaft member
rotor
ultrasonic motor
shape
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
JP2023500682A
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English (en)
Japanese (ja)
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JPWO2022176560A5 (https=
JPWO2022176560A1 (https=
Inventor
嗣治 上林
宏志 浅野
英秋 樫浦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Publication of JPWO2022176560A1 publication Critical patent/JPWO2022176560A1/ja
Publication of JPWO2022176560A5 publication Critical patent/JPWO2022176560A5/ja
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
    • H02N2/16—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors using travelling waves, i.e. Rayleigh surface waves
    • H02N2/163—Motors with ring stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
    • H02N2/005—Mechanical details, e.g. housings
    • H02N2/0055—Supports for driving or driven bodies; Means for pressing driving body against driven body
    • H02N2/006—Elastic elements, e.g. springs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
    • H02N2/103—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors by pressing one or more vibrators against the rotor
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
    • H02N2/12—Constructional details
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
    • H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
    • H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
    • H02N2/16—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors using travelling waves, i.e. Rayleigh surface waves
    • H02N2/166—Motors with disc stator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
JP2023500682A 2021-02-17 2022-01-27 超音波モータ Active JP7616343B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021023230 2021-02-17
JP2021023230 2021-02-17
PCT/JP2022/003140 WO2022176560A1 (ja) 2021-02-17 2022-01-27 超音波モータ

Publications (3)

Publication Number Publication Date
JPWO2022176560A1 JPWO2022176560A1 (https=) 2022-08-25
JPWO2022176560A5 JPWO2022176560A5 (https=) 2023-08-17
JP7616343B2 true JP7616343B2 (ja) 2025-01-17

Family

ID=82931540

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023500682A Active JP7616343B2 (ja) 2021-02-17 2022-01-27 超音波モータ

Country Status (4)

Country Link
US (1) US20230364645A1 (https=)
JP (1) JP7616343B2 (https=)
CN (1) CN116802986A (https=)
WO (1) WO2022176560A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022114863B3 (de) 2022-06-13 2023-10-19 Physik Instrumente (PI) GmbH & Co KG Ultraschallmotor

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000078864A (ja) 1998-08-31 2000-03-14 Star Micronics Co Ltd 位置検出方法並びに装置及び超音波モータ
JP2000184758A (ja) 1998-12-18 2000-06-30 Asmo Co Ltd 超音波モータ及び超音波モータのロータ
JP2004156757A (ja) 2002-11-08 2004-06-03 Ochiai:Kk 係止体
JP2004324722A (ja) 2003-04-23 2004-11-18 Ochiai:Kk 皿状バネ及び皿状バネを使用した固定構造

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6122778A (ja) * 1984-07-10 1986-01-31 Matsushita Electric Ind Co Ltd 圧電モ−タ
JPH0241677A (ja) * 1988-07-29 1990-02-09 Aisin Seiki Co Ltd 超音波モータ
JP2906378B2 (ja) * 1989-03-30 1999-06-21 アイシン精機株式会社 超音波モータ
JPH04331480A (ja) * 1991-04-26 1992-11-19 Matsushita Electric Ind Co Ltd 中空型超音波モータ
JPH05252764A (ja) * 1992-03-05 1993-09-28 Nikon Corp 超音波モータ
JPH078911A (ja) * 1993-06-23 1995-01-13 Canon Inc 振動子及び超音波モータ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000078864A (ja) 1998-08-31 2000-03-14 Star Micronics Co Ltd 位置検出方法並びに装置及び超音波モータ
JP2000184758A (ja) 1998-12-18 2000-06-30 Asmo Co Ltd 超音波モータ及び超音波モータのロータ
JP2004156757A (ja) 2002-11-08 2004-06-03 Ochiai:Kk 係止体
JP2004324722A (ja) 2003-04-23 2004-11-18 Ochiai:Kk 皿状バネ及び皿状バネを使用した固定構造

Also Published As

Publication number Publication date
JPWO2022176560A1 (https=) 2022-08-25
CN116802986A (zh) 2023-09-22
US20230364645A1 (en) 2023-11-16
WO2022176560A1 (ja) 2022-08-25

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