TW357484B - Piezoelectric motor having an arrangement which provides information relative to the rotor position and/or the rotor's number of revolutions - Google Patents
Piezoelectric motor having an arrangement which provides information relative to the rotor position and/or the rotor's number of revolutionsInfo
- Publication number
- TW357484B TW357484B TW084113256A TW84113256A TW357484B TW 357484 B TW357484 B TW 357484B TW 084113256 A TW084113256 A TW 084113256A TW 84113256 A TW84113256 A TW 84113256A TW 357484 B TW357484 B TW 357484B
- Authority
- TW
- Taiwan
- Prior art keywords
- rotor
- stator
- acoustic barrier
- piezoelectric motor
- revolutions
- Prior art date
Links
- 230000004888 barrier function Effects 0.000 abstract 3
- 230000005284 excitation Effects 0.000 abstract 2
- 238000005259 measurement Methods 0.000 abstract 2
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
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
- G04C3/12—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by piezoelectric means; driven by magneto-strictive means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH03953/94A CH686854B5 (de) | 1994-12-29 | 1994-12-29 | Piezoelektrischer Motor mit Einrichtung, die Informationen bezueglich der Rotorposition und/oder -drehzahl liefert. |
Publications (1)
Publication Number | Publication Date |
---|---|
TW357484B true TW357484B (en) | 1999-05-01 |
Family
ID=4267029
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW084113256A TW357484B (en) | 1994-12-29 | 1995-12-11 | Piezoelectric motor having an arrangement which provides information relative to the rotor position and/or the rotor's number of revolutions |
Country Status (7)
Country | Link |
---|---|
US (1) | US5719461A (zh) |
EP (1) | EP0723213A1 (zh) |
JP (1) | JPH08237969A (zh) |
CN (1) | CN1133445A (zh) |
CH (1) | CH686854B5 (zh) |
SG (1) | SG63533A1 (zh) |
TW (1) | TW357484B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI569570B (zh) * | 2016-02-26 | 2017-02-01 | 國立臺灣科技大學 | 連動於第一轉動構件之壓電發電機構及轉子系統 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1241322A (zh) * | 1997-08-04 | 2000-01-12 | 精工爱普生株式会社 | 传动装置及使用它的钟表和通知装置 |
US6288473B1 (en) | 2000-03-31 | 2001-09-11 | Sandia Corporation | Frequency modulation drive for a piezoelectric motor |
CA2320011A1 (en) * | 2000-09-18 | 2002-03-18 | Eontech Group, Inc. | Piezoelectric motor |
DE10113660A1 (de) * | 2001-03-21 | 2002-09-26 | Koninkl Philips Electronics Nv | Piezoelektrischer Antrieb |
US20080177268A1 (en) * | 2002-02-14 | 2008-07-24 | Wolfgang Daum | Minimally-Invasive Approach to Bone-Obstructed Soft Tissue |
EP2366988A1 (de) * | 2010-03-19 | 2011-09-21 | Winergy AG | Verfahren und Meßvorrichtung zur Drehmomenterfassung in einem Getriebe mittels eines Schwingungssensors |
CN107843740B (zh) * | 2017-10-31 | 2019-11-29 | 湖南大学 | 一种融合振动与声音信号频谱特征的转速测量方法 |
CN113751161B (zh) * | 2021-08-26 | 2022-12-06 | 辽宁石油化工大学 | 一种基于超声波的油页岩颗粒破碎装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT384912B (de) * | 1982-04-16 | 1988-01-25 | Ki Polt I | Piezoelektrischer motor |
AT382262B (de) * | 1982-04-16 | 1987-02-10 | Ki Polt I | Piezoelektrischer motor |
US4634916A (en) * | 1984-10-02 | 1987-01-06 | Ngk Spark Plug Co., Ltd. | Piezoelectric rotary driver |
JPH0648910B2 (ja) * | 1987-02-12 | 1994-06-22 | 日本電気株式会社 | 圧電モ−タ |
EP0306530A4 (de) * | 1987-02-28 | 1989-06-21 | Ki Polt I | Piezoelektrischer motor. |
JPH02311183A (ja) * | 1989-05-25 | 1990-12-26 | Brother Ind Ltd | 超音波モータ |
JPH0382380A (ja) * | 1989-08-24 | 1991-04-08 | Shinji Kawase | 超音波動モータ |
US5247220A (en) * | 1989-10-20 | 1993-09-21 | Seiko Epson Corporation | Ultrasonic motor |
US5237237A (en) * | 1990-03-12 | 1993-08-17 | Seiko Epson Corporation | Ultrasonic motor and drive method |
CH680487B5 (zh) * | 1991-03-28 | 1993-03-15 | Ebauchesfabrik Eta Ag | |
US5332941A (en) * | 1992-02-21 | 1994-07-26 | Honda Electronics Co., Ltd. | Ultrasonic driving motor |
JP3060081B2 (ja) * | 1993-01-27 | 2000-07-04 | セイコーインスツルメンツ株式会社 | 超音波モータ |
-
1994
- 1994-12-29 CH CH03953/94A patent/CH686854B5/de not_active IP Right Cessation
-
1995
- 1995-12-11 TW TW084113256A patent/TW357484B/zh active
- 1995-12-16 SG SG1995002172A patent/SG63533A1/en unknown
- 1995-12-18 US US08/575,733 patent/US5719461A/en not_active Expired - Fee Related
- 1995-12-22 EP EP95120493A patent/EP0723213A1/de not_active Withdrawn
- 1995-12-28 CN CN95113162.1A patent/CN1133445A/zh active Pending
- 1995-12-28 JP JP7352252A patent/JPH08237969A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI569570B (zh) * | 2016-02-26 | 2017-02-01 | 國立臺灣科技大學 | 連動於第一轉動構件之壓電發電機構及轉子系統 |
Also Published As
Publication number | Publication date |
---|---|
US5719461A (en) | 1998-02-17 |
CN1133445A (zh) | 1996-10-16 |
CH686854GA3 (de) | 1996-07-31 |
EP0723213A1 (de) | 1996-07-24 |
SG63533A1 (en) | 1999-03-30 |
CH686854B5 (de) | 1997-01-31 |
JPH08237969A (ja) | 1996-09-13 |
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