JPH01147693U - - Google Patents
Info
- Publication number
- JPH01147693U JPH01147693U JP4278588U JP4278588U JPH01147693U JP H01147693 U JPH01147693 U JP H01147693U JP 4278588 U JP4278588 U JP 4278588U JP 4278588 U JP4278588 U JP 4278588U JP H01147693 U JPH01147693 U JP H01147693U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- stator
- elastic body
- piezoelectric element
- sealing mechanism
- 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
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
Landscapes
- Sealing Devices (AREA)
Description
第１図は本考案の一実施例によるシール機能付
超音波モータの断面構成図、第２図は本考案の他
の実施例によるシール機能付超音波モータの一部
詳細断面図、第３図は本考案のさらに他の実施例
によるシール機能付超音波モータの一部詳細断面
図である。
１……圧電セラミツクス、２……弾性体、３…
…ロータ、４……回転軸、６……流体、７……シ
ルエレメント、９……シール面、１０……バネ、
１５……ステータ、１６……ベローズ。
Fig. 1 is a cross-sectional configuration diagram of an ultrasonic motor with a sealing function according to an embodiment of the present invention, Fig. 2 is a partially detailed sectional view of an ultrasonic motor with a sealing function according to another embodiment of the present invention, and Fig. 3 FIG. 2 is a partially detailed sectional view of an ultrasonic motor with a sealing function according to still another embodiment of the present invention. 1...Piezoelectric ceramics, 2...Elastic body, 3...
... Rotor, 4 ... Rotating shaft, 6 ... Fluid, 7 ... Sill element, 9 ... Seal surface, 10 ... Spring,
15...Stator, 16...Bellows.
Claims (1)
素子に固定された弾性体を有するステータと、こ
のステータの弾性体に当接して回転するロータと
を設けるとともに、該ロータのステータ側と反対
側の面に、当該面と摺動するシール機構を設け、
該シール機構のロータに対する押圧力を利用して
ロータをステータに加圧接触するようにしたこと
を特徴とするシール機能付超音波モータ。 A stator having a piezoelectric element to which a high frequency voltage is applied and an elastic body fixed to the piezoelectric element, and a rotor that rotates in contact with the elastic body of the stator, and a surface of the rotor opposite to the stator side. is provided with a sealing mechanism that slides on the surface,
An ultrasonic motor with a sealing function, characterized in that the rotor is brought into pressurized contact with the stator by utilizing the pressing force of the sealing mechanism against the rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4278588U JPH01147693U (en) | 1988-03-30 | 1988-03-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4278588U JPH01147693U (en) | 1988-03-30 | 1988-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01147693U true JPH01147693U (en) | 1989-10-12 |
Family
ID=31269192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4278588U Pending JPH01147693U (en) | 1988-03-30 | 1988-03-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01147693U (en) |
-
1988
- 1988-03-30 JP JP4278588U patent/JPH01147693U/ja active Pending