JPH0272689U - - Google Patents
Info
- Publication number
- JPH0272689U JPH0272689U JP15108188U JP15108188U JPH0272689U JP H0272689 U JPH0272689 U JP H0272689U JP 15108188 U JP15108188 U JP 15108188U JP 15108188 U JP15108188 U JP 15108188U JP H0272689 U JPH0272689 U JP H0272689U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric actuator
- laminated piezoelectric
- ultrasonic
- rotor
- 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
Links
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Description
添付図面は本考案の実施例を示し、第１図は縦
断側面図、第２図は超音波捩れ振動子１と圧電ア
クチユエータ８の信号波形図、第３〜５図は本考
案の実施例を示す要部の縦断側面図である。
１；超音波捩れ振動子、２ａ，２ｂ；環状圧電
素子、３，４；金属ブロツク、８；圧電アクチユ
エータ、９；圧電素子、９ａ；銀電極、１１；ロ
ータ、１５；発条、２０；電極保護板、２１；耐
摩耗板、ｘ；境面仕上。
The attached drawings show an embodiment of the present invention; FIG. 1 is a longitudinal sectional side view, FIG. 2 is a signal waveform diagram of the ultrasonic torsional transducer 1 and the piezoelectric actuator 8, and FIGS. 3 to 5 show an embodiment of the present invention. FIG. 1; Ultrasonic torsional transducer, 2a, 2b; Annular piezoelectric element, 3, 4; Metal block, 8; Piezoelectric actuator, 9; Piezoelectric element, 9a; Silver electrode, 11; Rotor, 15; Spring, 20; Electrode protection Plate, 21; wear-resistant plate, x; interface finish.
Claims (1)
エータを配設し、さらに該積層型圧電アクチユエ
ータにロータを当接し、超音波捩れ振動子と、積
層型圧電アクチユエータとを所定の位相差を有す
る交流電源で駆動してなる超音波モータにおいて
、 前記積層型圧電アクチユエータ側の接触面及び
ロータ側の接触面のうち、両面またはいずれか一
面を鏡面仕上したことを特徴とする超音波モータ
。[Claim for Utility Model Registration] A laminated piezoelectric actuator is disposed on the end face of an ultrasonic torsional vibrator, and a rotor is brought into contact with the laminated piezoelectric actuator, thereby combining the ultrasonic torsional vibrator and the laminated piezoelectric actuator. An ultrasonic motor driven by an AC power source having a predetermined phase difference, characterized in that one or both of the contact surfaces on the layered piezoelectric actuator side and the contact surface on the rotor side are mirror-finished. ultrasonic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15108188U JPH0272689U (en) | 1988-11-18 | 1988-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15108188U JPH0272689U (en) | 1988-11-18 | 1988-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0272689U true JPH0272689U (en) | 1990-06-04 |
Family
ID=31424806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15108188U Pending JPH0272689U (en) | 1988-11-18 | 1988-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0272689U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6020775A (en) * | 1983-07-15 | 1985-02-02 | Hitachi Ltd | Rotary actuator |
| JPS633660A (en) * | 1986-06-23 | 1988-01-08 | Hitachi Maxell Ltd | Ultrasonic motor with pressed surface lubricated |
-
1988
- 1988-11-18 JP JP15108188U patent/JPH0272689U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6020775A (en) * | 1983-07-15 | 1985-02-02 | Hitachi Ltd | Rotary actuator |
| JPS633660A (en) * | 1986-06-23 | 1988-01-08 | Hitachi Maxell Ltd | Ultrasonic motor with pressed surface lubricated |