JPH0163787U - - Google Patents
Info
- Publication number
- JPH0163787U JPH0163787U JP1987159286U JP15928687U JPH0163787U JP H0163787 U JPH0163787 U JP H0163787U JP 1987159286 U JP1987159286 U JP 1987159286U JP 15928687 U JP15928687 U JP 15928687U JP H0163787 U JPH0163787 U JP H0163787U
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric vibrator
- piston
- spring
- cylinder frame
- piezoelectric
- 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
Landscapes
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Reciprocating Pumps (AREA)
Description
第１図は本考案の一実施例を示す全体の縦断面
図であり、第２図は従来例を示す第１図相当図で
ある。
図中、１１はシリンダフレーム、１２は圧電振
動子、１４はピストン、１６はポンプ室、１８は
ばねである。
FIG. 1 is an overall vertical sectional view showing an embodiment of the present invention, and FIG. 2 is a view corresponding to FIG. 1 showing a conventional example. In the figure, 11 is a cylinder frame, 12 is a piezoelectric vibrator, 14 is a piston, 16 is a pump chamber, and 18 is a spring.
Claims (1)
前記シリンダフレーム内に移動可能に設けられた
ピストンとを具備し、前記圧電振動子とピストン
とを圧電振動子のばねを介して連結する構成とし
、且つ、前記圧電振動子のばね定数をＫ１、前記
ばねのばね定数をＫ２、前記ピストンの質量をｍ
、前記圧電振動子に対する駆動周波数をωとした
とき、これらω，ｍ，Ｋ１，Ｋ２の関係を ω＝√（１ ２）｛（１＋２）｝とな
るように定めると共に、Ｋ２をＫ１よりも小に設
定したことを特徴とする圧電式エアポンプ。[Claims for Utility Model Registration] A piezoelectric vibrator disposed in a cylinder frame,
a piston movably provided within the cylinder frame, the piezoelectric vibrator and the piston are connected via a spring of the piezoelectric vibrator, and the spring constant of the piezoelectric vibrator is K 1 , the spring constant of the spring is K 2 , and the mass of the piston is m
, when the driving frequency for the piezoelectric vibrator is ω, the relationship between ω, m, K 1 , and K 2 is determined to be ω=√( 1 2 ) {( 1 + 2 )}, and K 2 A piezoelectric air pump characterized in that K is set to be smaller than K1 .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159286U JPH0163787U (en) | 1987-10-20 | 1987-10-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987159286U JPH0163787U (en) | 1987-10-20 | 1987-10-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0163787U true JPH0163787U (en) | 1989-04-24 |
Family
ID=31440366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987159286U Pending JPH0163787U (en) | 1987-10-20 | 1987-10-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0163787U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019064780A1 (en) * | 2017-09-28 | 2019-04-04 | 日本電産株式会社 | Liquid agent application apparatus |
-
1987
- 1987-10-20 JP JP1987159286U patent/JPH0163787U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019064780A1 (en) * | 2017-09-28 | 2019-04-04 | 日本電産株式会社 | Liquid agent application apparatus |