JPS6430473A - Ultrasonic motor - Google Patents

Ultrasonic motor

Info

Publication number
JPS6430473A
JPS6430473A JP62184604A JP18460487A JPS6430473A JP S6430473 A JPS6430473 A JP S6430473A JP 62184604 A JP62184604 A JP 62184604A JP 18460487 A JP18460487 A JP 18460487A JP S6430473 A JPS6430473 A JP S6430473A
Authority
JP
Japan
Prior art keywords
section
unit
oscillating
frictional
frictional contact
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.)
Pending
Application number
JP62184604A
Other languages
Japanese (ja)
Inventor
Yoshinobu Imasaka
Masanori Sumihara
Hiroshi Komeno
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP62184604A priority Critical patent/JPS6430473A/en
Publication of JPS6430473A publication Critical patent/JPS6430473A/en
Pending legal-status Critical Current

Links

Landscapes

  • General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)

Abstract

PURPOSE:To lengthen the span of life and reduce noise, by setting a friction means to be a composition including organic material, and by forming the composition with a layer that the coefficient of thermal expansion in one direction along the frictional contact surface does not exceed a specified value. CONSTITUTION:An ultrasonic wave motor is provided with an oscillating section and a moving section, and so far as the oscillating section is concerned, on the surface of a piezoelectric unit 1, an oscillating unit 2 is bonded and fixed, and so far as the moving section is concerned, on the surface of a moving unit 5 as a power transmitting main-unit confronted with said oscillating unit 2, the frictional material layer of a frictional contact section 4 is bonded and fixed, to compose the motor. In this case, the frictional contact section 4 is made of a composition including one sort of more of organic material, and is formed by using frictional material that the coefficient of thermal expansion in one direction at least along the contact surface does not exceed 20X10<-6>. Then, the surface of the frictional contact section 4 and the surface of the oscillating unit 2 are permitted to come in pressure contact with each other by a proper means. As a result, thermal deformation is effectively suppressed, and the lowering of the rotational frequency of the motor can be suppressed.
JP62184604A 1987-07-23 1987-07-23 Ultrasonic motor Pending JPS6430473A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62184604A JPS6430473A (en) 1987-07-23 1987-07-23 Ultrasonic motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62184604A JPS6430473A (en) 1987-07-23 1987-07-23 Ultrasonic motor

Publications (1)

Publication Number Publication Date
JPS6430473A true JPS6430473A (en) 1989-02-01

Family

ID=16156121

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62184604A Pending JPS6430473A (en) 1987-07-23 1987-07-23 Ultrasonic motor

Country Status (1)

Country Link
JP (1) JPS6430473A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5325012A (en) * 1989-09-19 1994-06-28 Hitachi, Ltd Bonded type piezoelectric apparatus, method for manufacturing the same and bonded type piezoelectric element
US5654604A (en) * 1993-02-02 1997-08-05 Nikon Corporation Vibration motor having improved adhesive layer between electromechanical conversion element and elastic body
US6107725A (en) * 1997-04-08 2000-08-22 Canon Kabushiki Kaisha Vibration type driving device and apparatus using the same
KR100785643B1 (en) * 2000-09-07 2007-12-14 로베르트 보쉬 게엠베하 Electronic system for a vehicle and system layer for operational functions

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5325012A (en) * 1989-09-19 1994-06-28 Hitachi, Ltd Bonded type piezoelectric apparatus, method for manufacturing the same and bonded type piezoelectric element
US5654604A (en) * 1993-02-02 1997-08-05 Nikon Corporation Vibration motor having improved adhesive layer between electromechanical conversion element and elastic body
US6107725A (en) * 1997-04-08 2000-08-22 Canon Kabushiki Kaisha Vibration type driving device and apparatus using the same
KR100785643B1 (en) * 2000-09-07 2007-12-14 로베르트 보쉬 게엠베하 Electronic system for a vehicle and system layer for operational functions

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