JPH01180894U - - Google Patents
Info
- Publication number
- JPH01180894U JPH01180894U JP7221688U JP7221688U JPH01180894U JP H01180894 U JPH01180894 U JP H01180894U JP 7221688 U JP7221688 U JP 7221688U JP 7221688 U JP7221688 U JP 7221688U JP H01180894 U JPH01180894 U JP H01180894U
- Authority
- JP
- Japan
- Prior art keywords
- stator
- mover
- ultrasonic motor
- traveling wave
- contact surfaces
- 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
- 238000010586 diagram Methods 0.000 description 1
Description
第1図は本考案の超音波モータの要部断面図、
第2図は回転速度と効率を示すグラフ、第3図は
摩擦係数と速度との関係を示すグラフ、第4図は
従来の超音波モータの要部断面図、第5図は従来
の超音波モータにおける進行波の作用位置を示す
説明図である。
2;固定子、4;移動子、6;皿バネ、7;回
転軸。
Figure 1 is a sectional view of the main parts of the ultrasonic motor of the present invention.
Figure 2 is a graph showing rotational speed and efficiency, Figure 3 is a graph showing the relationship between friction coefficient and speed, Figure 4 is a sectional view of the main part of a conventional ultrasonic motor, and Figure 5 is a graph showing the relationship between the friction coefficient and speed. FIG. 2 is an explanatory diagram showing a position where a traveling wave acts on a motor. 2: Stator, 4: Mover, 6: Belleville spring, 7: Rotating shaft.
Claims (1)
生じさせ、固定子の他方の面に圧接した移動子を
移動させるようにした超音波モータにおいて、進
行波伝達のため固定子と移動子とを直接接触させ
るとともに、それらの接触面のうち少なくとも一
方の接触面を超硬質素材で形成したことを特徴と
する超音波モータ。 In an ultrasonic motor in which a piezoelectric element is provided on one side of the stator to generate a traveling wave and move a mover that is pressed against the other side of the stator, the stator and mover are connected to transmit the traveling wave. What is claimed is: 1. An ultrasonic motor characterized in that the two contact surfaces are in direct contact with each other, and at least one of the contact surfaces is made of an ultra-hard material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7221688U JPH01180894U (en) | 1988-05-31 | 1988-05-31 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7221688U JPH01180894U (en) | 1988-05-31 | 1988-05-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01180894U true JPH01180894U (en) | 1989-12-26 |
Family
ID=31297390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7221688U Pending JPH01180894U (en) | 1988-05-31 | 1988-05-31 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01180894U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62100178A (en) * | 1985-10-24 | 1987-05-09 | Canon Inc | Oscillatory wave motor |
JPS62225183A (en) * | 1986-03-26 | 1987-10-03 | Olympus Optical Co Ltd | Ultrasonic motor |
-
1988
- 1988-05-31 JP JP7221688U patent/JPH01180894U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62100178A (en) * | 1985-10-24 | 1987-05-09 | Canon Inc | Oscillatory wave motor |
JPS62225183A (en) * | 1986-03-26 | 1987-10-03 | Olympus Optical Co Ltd | Ultrasonic motor |