JPS6247800U - - Google Patents
Info
- Publication number
- JPS6247800U JPS6247800U JP14022085U JP14022085U JPS6247800U JP S6247800 U JPS6247800 U JP S6247800U JP 14022085 U JP14022085 U JP 14022085U JP 14022085 U JP14022085 U JP 14022085U JP S6247800 U JPS6247800 U JP S6247800U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- blade
- stress concentration
- bending
- fan
- 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
- 238000005452 bending Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Description
第１図はこの考案の一実施例を示す斜視図であ
る。第２図は第１図実施例の効果を説明するため
のグラフであり、横軸にブレードの自由端から風
速測定位置までの距離を示し、縦軸に風速を示す
。第３Ａ図〜第３Ｆ図は、それぞれ、応力集中部
の変形例を示す平面的図解図である。第４Ａ図〜
第４Ｃ図は応力集中部の変形例を示す断面的図解
図である。第５図はこの考案の背景となる従来の
圧電フアンの一例を示す斜視図である。第６図は
第５図の圧電フアンにおいて風速を測定したグラ
フである。
図において、１０は圧電フアン、１２はバイモ
ルフ屈曲振動子、１４はプレート、１６は振動板
、２４は透孔、２６は切欠、２８は凹部を示す。
FIG. 1 is a perspective view showing an embodiment of this invention. FIG. 2 is a graph for explaining the effect of the embodiment shown in FIG. 1, in which the horizontal axis shows the distance from the free end of the blade to the wind speed measurement position, and the vertical axis shows the wind speed. FIGS. 3A to 3F are planar illustrative views showing modified examples of the stress concentration portion, respectively. Figure 4A~
FIG. 4C is an illustrative cross-sectional view showing a modification of the stress concentration portion. FIG. 5 is a perspective view showing an example of a conventional piezoelectric fan, which is the background of this invention. FIG. 6 is a graph of wind speed measured in the piezoelectric fan of FIG. 5. In the figure, 10 is a piezoelectric fan, 12 is a bimorph bending vibrator, 14 is a plate, 16 is a diaphragm, 24 is a through hole, 26 is a notch, and 28 is a recess.
Claims (1)
びて形成されたブレードとを含む圧電フアンにお
いて、 前記ブレードの、前記圧電素子側近傍に、屈曲
応力集中部を形成したことを特徴とする、圧電フ
アン。[Claims for Utility Model Registration] A piezoelectric fan including a bent piezoelectric vibrator including a piezoelectric element and a blade extending from the bending piezoelectric vibrator, wherein a bending stress concentration part is formed in the vicinity of the piezoelectric element side of the blade. A piezoelectric fan characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14022085U JPS6247800U (en) | 1985-09-12 | 1985-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14022085U JPS6247800U (en) | 1985-09-12 | 1985-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6247800U true JPS6247800U (en) | 1987-03-24 |
Family
ID=31046862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14022085U Pending JPS6247800U (en) | 1985-09-12 | 1985-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6247800U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002130199A (en) * | 2000-10-19 | 2002-05-09 | Sony Corp | Piezoelectric fan |
| WO2009034956A1 (en) * | 2007-09-14 | 2009-03-19 | Murata Manufacturing Co., Ltd. | Cooling apparatus |
| JP2011127588A (en) * | 2009-11-20 | 2011-06-30 | Murata Mfg Co Ltd | Piezoelectric fan and cooling device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4874607A (en) * | 1972-01-08 | 1973-10-08 |
-
1985
- 1985-09-12 JP JP14022085U patent/JPS6247800U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4874607A (en) * | 1972-01-08 | 1973-10-08 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002130199A (en) * | 2000-10-19 | 2002-05-09 | Sony Corp | Piezoelectric fan |
| WO2009034956A1 (en) * | 2007-09-14 | 2009-03-19 | Murata Manufacturing Co., Ltd. | Cooling apparatus |
| CN102543915A (en) * | 2007-09-14 | 2012-07-04 | 株式会社村田制作所 | Cooling device |
| JP5083322B2 (en) * | 2007-09-14 | 2012-11-28 | 株式会社村田製作所 | Cooling system |
| JP2011127588A (en) * | 2009-11-20 | 2011-06-30 | Murata Mfg Co Ltd | Piezoelectric fan and cooling device |