FR2682544B1 - ANNULAR PIEZOELECTRIC MOTOR WITH SEGMENTED DISCOUIDAL TRANSDUCERS. - Google Patents

ANNULAR PIEZOELECTRIC MOTOR WITH SEGMENTED DISCOUIDAL TRANSDUCERS.

Info

Publication number
FR2682544B1
FR2682544B1 FR9112486A FR9112486A FR2682544B1 FR 2682544 B1 FR2682544 B1 FR 2682544B1 FR 9112486 A FR9112486 A FR 9112486A FR 9112486 A FR9112486 A FR 9112486A FR 2682544 B1 FR2682544 B1 FR 2682544B1
Authority
FR
France
Prior art keywords
discouidal
transducers
segmented
piezoelectric motor
annular piezoelectric
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.)
Expired - Fee Related
Application number
FR9112486A
Other languages
French (fr)
Other versions
FR2682544A1 (en
Inventor
Patrice Minotti
Michel Froelicher
Paul Gonnard
Lucien Eyraud
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.)
CENTRE TECH IND HORLOGERE
LABORATOIRE MECANIQUE APPLIQUEE
LGEF
Original Assignee
CENTRE TECH IND HORLOGERE
LABORATOIRE MECANIQUE APPLIQUEE
LGEF
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 CENTRE TECH IND HORLOGERE, LABORATOIRE MECANIQUE APPLIQUEE, LGEF filed Critical CENTRE TECH IND HORLOGERE
Priority to FR9112486A priority Critical patent/FR2682544B1/en
Priority to DE4233933A priority patent/DE4233933A1/en
Publication of FR2682544A1 publication Critical patent/FR2682544A1/en
Application granted granted Critical
Publication of FR2682544B1 publication Critical patent/FR2682544B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
FR9112486A 1991-10-10 1991-10-10 ANNULAR PIEZOELECTRIC MOTOR WITH SEGMENTED DISCOUIDAL TRANSDUCERS. Expired - Fee Related FR2682544B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR9112486A FR2682544B1 (en) 1991-10-10 1991-10-10 ANNULAR PIEZOELECTRIC MOTOR WITH SEGMENTED DISCOUIDAL TRANSDUCERS.
DE4233933A DE4233933A1 (en) 1991-10-10 1992-10-10 Ultrasonic motor of travelling wave type - has piezoelectric transducer of cylindrical platelets, adhered to stator surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9112486A FR2682544B1 (en) 1991-10-10 1991-10-10 ANNULAR PIEZOELECTRIC MOTOR WITH SEGMENTED DISCOUIDAL TRANSDUCERS.

Publications (2)

Publication Number Publication Date
FR2682544A1 FR2682544A1 (en) 1993-04-16
FR2682544B1 true FR2682544B1 (en) 1994-01-14

Family

ID=9417778

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9112486A Expired - Fee Related FR2682544B1 (en) 1991-10-10 1991-10-10 ANNULAR PIEZOELECTRIC MOTOR WITH SEGMENTED DISCOUIDAL TRANSDUCERS.

Country Status (2)

Country Link
DE (1) DE4233933A1 (en)
FR (1) FR2682544B1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0218868D0 (en) 2002-08-14 2002-09-25 Nasir Muhammed A Improved airway management device
ES2383896T3 (en) 2003-08-14 2012-06-27 Muhammed Aslam Nasir Enhanced airway device
DE102008024071B4 (en) * 2008-05-17 2010-04-22 Festo Ag & Co. Kg Process for the production of piezoelectric transducers as well as piezoelectric components for carrying out the process
GB201010647D0 (en) 2010-06-24 2010-08-11 Docsinnovent Ltd Stopper device
USD688787S1 (en) 2011-06-08 2013-08-27 Intersurgical Ag Airway device cap and strap holder
USD665254S1 (en) 2011-06-08 2012-08-14 Intersurgical Ag Airway device packaging
USD712244S1 (en) 2011-09-23 2014-09-02 Intersurgical Ag Medical device package
GB201201438D0 (en) 2012-01-27 2012-03-14 Docsinnovent Ltd Improved stopper device
USD761952S1 (en) 2012-07-27 2016-07-19 Docsinnovent Limited Airway device
USD842456S1 (en) 2015-12-15 2019-03-05 Intersurgical Ag Airway device
GB201720733D0 (en) 2017-12-13 2018-01-24 Ashkal Development Ltd Airway device
USD1025348S1 (en) 2020-04-16 2024-04-30 Intersurgical Ag Airway device

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2638856B2 (en) * 1987-11-11 1997-08-06 松下電器産業株式会社 Ultrasonic motor
EP0383309B1 (en) * 1989-02-14 1997-06-04 Canon Kabushiki Kaisha Vibration wave motor

Also Published As

Publication number Publication date
DE4233933A1 (en) 1993-04-29
FR2682544A1 (en) 1993-04-16

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Legal Events

Date Code Title Description
ST Notification of lapse
ST Notification of lapse