JPH03145980A - Ultrasonic motor - Google Patents

Ultrasonic motor

Info

Publication number
JPH03145980A
JPH03145980A JP1283490A JP28349089A JPH03145980A JP H03145980 A JPH03145980 A JP H03145980A JP 1283490 A JP1283490 A JP 1283490A JP 28349089 A JP28349089 A JP 28349089A JP H03145980 A JPH03145980 A JP H03145980A
Authority
JP
Japan
Prior art keywords
elastic body
ultrasonic motor
cm
highly efficient
efficient operation
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
JP1283490A
Inventor
Masaki Yamaguchi
Original Assignee
Brother Ind 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 Brother Ind Ltd filed Critical Brother Ind Ltd
Priority to JP1283490A priority Critical patent/JPH03145980A/en
Priority claimed from US07/602,785 external-priority patent/US5105117A/en
Publication of JPH03145980A publication Critical patent/JPH03145980A/en
Application status is Pending legal-status Critical

Links

Abstract

PURPOSE: To realize highly efficient operation by arranging a sliding member having a specified low heat conductivity on the first elastic body side between the first and second elastic bodies.
CONSTITUTION: Upon application of an AC electric signal onto a linear ultrasonic motor 31, an approximately oval vibration is induced at a driving section 32 and a ultrasonic vibrator 11 is subjected to a driving force caused by the frictional force with respect to a rail 34 and moves in the direction of an arrow B. The driving section 32 is composed of such material as having heat conductivity under normal temperature not higher than 1×10-3cal/°C/cm.cm2.s, e.g. a phenol resin. Since the heat produced due to mechanical loss of the ultrasonic motor 31 does not transmit to the first elastic body 21 but transmits to the second elastic body 34, highly efficient operation can be sustained with no thermal influence on the first elastic body 21 and exciting source therefor.
COPYRIGHT: (C)1991,JPO&Japio
JP1283490A 1989-10-31 1989-10-31 Ultrasonic motor Pending JPH03145980A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1283490A JPH03145980A (en) 1989-10-31 1989-10-31 Ultrasonic motor

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP1283490A JPH03145980A (en) 1989-10-31 1989-10-31 Ultrasonic motor
US07/602,785 US5105117A (en) 1989-10-31 1990-10-24 Ultrasonic motor

Publications (1)

Publication Number Publication Date
JPH03145980A true JPH03145980A (en) 1991-06-21

Family

ID=17666229

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1283490A Pending JPH03145980A (en) 1989-10-31 1989-10-31 Ultrasonic motor

Country Status (1)

Country Link
JP (1) JPH03145980A (en)

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