JPWO2009072434A1 - 圧電ポンプ - Google Patents
圧電ポンプ Download PDFInfo
- Publication number
- JPWO2009072434A1 JPWO2009072434A1 JP2009511286A JP2009511286A JPWO2009072434A1 JP WO2009072434 A1 JPWO2009072434 A1 JP WO2009072434A1 JP 2009511286 A JP2009511286 A JP 2009511286A JP 2009511286 A JP2009511286 A JP 2009511286A JP WO2009072434 A1 JPWO2009072434 A1 JP WO2009072434A1
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- piezoelectric element
- diaphragm
- layer
- neutral
- 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.)
- Granted
Links
- 230000007935 neutral effect Effects 0.000 claims abstract description 88
- 230000005684 electric field Effects 0.000 claims description 19
- 238000005452 bending Methods 0.000 claims description 12
- 238000006073 displacement reaction Methods 0.000 abstract description 21
- 239000010410 layer Substances 0.000 description 146
- 230000010287 polarization Effects 0.000 description 21
- 239000000463 material Substances 0.000 description 7
- 239000000446 fuel Substances 0.000 description 4
- 239000011229 interlayer Substances 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 230000032258 transport Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
- F04B43/04—Pumps having electric drive
- F04B43/043—Micropumps
- F04B43/046—Micropumps with piezoelectric drive
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/20—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators
- H10N30/204—Piezoelectric or electrostrictive devices with electrical input and mechanical output, e.g. functioning as actuators or vibrators using bending displacement, e.g. unimorph, bimorph or multimorph cantilever or membrane benders
- H10N30/2047—Membrane type
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/50—Piezoelectric or electrostrictive devices having a stacked or multilayer structure
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/802—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
Description
10 ポンプ本体
12 ポンプ室
20 ダイヤフラムユニット
21 ダイヤフラム
22 圧電素子
22a,22c 圧電体層(駆動層)
22b 圧電体層(中性層)
Fd 中立面
Claims (3)
- 開口部を有するポンプ本体と、前記開口部を閉じるべくポンプ本体に固定され、ポンプ本体との間でポンプ室を形成するダイヤフラムと、ダイヤフラムの表面に対面接着された圧電素子とを備え、前記圧電素子に電圧を印加することにより、圧電素子を含むダイヤフラムを屈曲変位させる圧電ポンプにおいて、
前記圧電素子は複数の圧電体層を積層したバイモルフ型圧電素子であり、
前記複数の圧電体層のうち、前記圧電素子の厚み方向中間部に位置する少なくとも1層が前記電圧印加によって自発的に変位しない中性層であり、
前記圧電素子を含むダイヤフラム全体の中立面が前記圧電素子の中性層内に位置していることを特徴とする圧電ポンプ。 - 前記中性層を含む全ての圧電体層が厚み方向に分極され、
前記中性層は前記電圧印加によって電界が加わらない層であることを特徴とする請求項1に記載の圧電ポンプ。 - 前記中性層を間にして、前記ダイヤフラム側の圧電体層の積層数をダイヤフラム側と反対側の圧電体層の積層数より少なくしたことを特徴とする請求項1又は2に記載の圧電ポンプ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009511286A JP4840505B2 (ja) | 2007-12-03 | 2008-11-28 | 圧電ポンプ |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007311905 | 2007-12-03 | ||
JP2007311905 | 2007-12-03 | ||
PCT/JP2008/071607 WO2009072434A1 (ja) | 2007-12-03 | 2008-11-28 | 圧電ポンプ |
JP2009511286A JP4840505B2 (ja) | 2007-12-03 | 2008-11-28 | 圧電ポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2009072434A1 true JPWO2009072434A1 (ja) | 2011-04-21 |
JP4840505B2 JP4840505B2 (ja) | 2011-12-21 |
Family
ID=40717616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009511286A Active JP4840505B2 (ja) | 2007-12-03 | 2008-11-28 | 圧電ポンプ |
Country Status (5)
Country | Link |
---|---|
US (1) | US8210831B2 (ja) |
EP (1) | EP2241757B1 (ja) |
JP (1) | JP4840505B2 (ja) |
CN (1) | CN101622451B (ja) |
WO (1) | WO2009072434A1 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012117831A1 (ja) * | 2011-03-01 | 2012-09-07 | 株式会社村田製作所 | 圧電素子およびこれを用いた圧電装置 |
EP2767715B1 (en) * | 2011-10-11 | 2018-04-04 | Murata Manufacturing Co., Ltd. | Fluid-control device, and method for adjusting fluid-control device |
JP2015510073A (ja) * | 2012-02-10 | 2015-04-02 | ケーシーアイ ライセンシング インコーポレイテッド | ディスクポンプシステムの温度を調整するためのシステムと方法 |
CN103321881A (zh) * | 2013-06-19 | 2013-09-25 | 重庆中镭科技有限公司 | 一种采用多轴向纤维增强树脂垫片的压电泵振子 |
US9437802B2 (en) * | 2013-08-21 | 2016-09-06 | Fujifilm Dimatix, Inc. | Multi-layered thin film piezoelectric devices and methods of making the same |
US9525119B2 (en) | 2013-12-11 | 2016-12-20 | Fujifilm Dimatix, Inc. | Flexible micromachined transducer device and method for fabricating same |
FR3077162B1 (fr) * | 2018-01-22 | 2020-02-07 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Transducteur piezoelectrique |
CN111694455A (zh) * | 2019-03-15 | 2020-09-22 | 陕西坤同半导体科技有限公司 | 显示面板及其显示装置 |
CN113710896A (zh) * | 2019-06-03 | 2021-11-26 | 索尼集团公司 | 流体控制装置及电子设备 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1225694A (en) * | 1983-12-09 | 1987-08-18 | Nippon Telegraph And Telephone Corporation | Piezoelectric actuator using bimorph element |
US4648807A (en) * | 1985-05-14 | 1987-03-10 | The Garrett Corporation | Compact piezoelectric fluidic air supply pump |
JPH01174278A (ja) * | 1987-12-28 | 1989-07-10 | Misuzu Erii:Kk | インバータ |
JPH0354383A (ja) * | 1989-07-20 | 1991-03-08 | Olympus Optical Co Ltd | 圧電式ポンプ |
JPH03134271A (ja) * | 1989-10-17 | 1991-06-07 | Seiko Epson Corp | 微量吐出装置 |
JP2855846B2 (ja) * | 1990-11-22 | 1999-02-10 | ブラザー工業株式会社 | 圧電ポンプ |
GB9122739D0 (en) * | 1991-10-25 | 1991-12-11 | The Technology Partnership Ltd | System for controlling fluid flow |
JP3428773B2 (ja) * | 1995-04-21 | 2003-07-22 | 松下電器産業株式会社 | バイモルフ圧電素子とその製造方法 |
US6262519B1 (en) * | 1998-06-19 | 2001-07-17 | Eastman Kodak Company | Method of controlling fluid flow in a microfluidic process |
JP3725390B2 (ja) | 1999-02-18 | 2005-12-07 | セイコーエプソン株式会社 | インクジェット式記録ヘッド及びインクジェット式記録装置 |
DE60016478T2 (de) * | 1999-02-18 | 2005-11-10 | Seiko Epson Corp. | Herstellungsverfahren für einen Tintenstrahlaufzeichnungskopf |
KR20030034192A (ko) * | 2000-09-18 | 2003-05-01 | 클리포드 엔. 로젠 | 압전 액추에이터 및 이를 사용하는 펌프 |
US7198250B2 (en) * | 2000-09-18 | 2007-04-03 | Par Technologies, Llc | Piezoelectric actuator and pump using same |
JP3642026B2 (ja) * | 2001-01-12 | 2005-04-27 | 株式会社村田製作所 | 加速度センサおよびその製造方法 |
JP3700616B2 (ja) * | 2001-06-26 | 2005-09-28 | 株式会社村田製作所 | 圧電型電気音響変換器およびその製造方法 |
JP2005201235A (ja) * | 2003-12-15 | 2005-07-28 | Alps Electric Co Ltd | 圧電ポンプ |
JP4279662B2 (ja) * | 2003-12-26 | 2009-06-17 | アルプス電気株式会社 | 小型ポンプ |
JP2006093463A (ja) * | 2004-09-24 | 2006-04-06 | Toshiba Corp | 圧電mems素子及びチューナブルフィルタ |
JP2006220056A (ja) * | 2005-02-10 | 2006-08-24 | Nec Tokin Corp | 流体搬送装置 |
US20060232166A1 (en) * | 2005-04-13 | 2006-10-19 | Par Technologies Llc | Stacked piezoelectric diaphragm members |
JP2006304021A (ja) | 2005-04-22 | 2006-11-02 | Murata Mfg Co Ltd | 圧電型電気音響変換器 |
CN101099410B (zh) * | 2006-02-21 | 2011-12-21 | 株式会社村田制作所 | 压电发声体 |
CN102094796B (zh) * | 2006-07-11 | 2013-02-13 | 株式会社村田制作所 | 压电泵 |
JP4848319B2 (ja) * | 2007-02-16 | 2011-12-28 | アルプス電気株式会社 | 圧電ポンプ |
-
2008
- 2008-11-28 JP JP2009511286A patent/JP4840505B2/ja active Active
- 2008-11-28 CN CN200880001236XA patent/CN101622451B/zh active Active
- 2008-11-28 EP EP08856266.5A patent/EP2241757B1/en active Active
- 2008-11-28 WO PCT/JP2008/071607 patent/WO2009072434A1/ja active Application Filing
-
2009
- 2009-05-04 US US12/434,700 patent/US8210831B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN101622451B (zh) | 2011-05-11 |
US20090214362A1 (en) | 2009-08-27 |
EP2241757B1 (en) | 2018-01-03 |
WO2009072434A1 (ja) | 2009-06-11 |
CN101622451A (zh) | 2010-01-06 |
JP4840505B2 (ja) | 2011-12-21 |
US8210831B2 (en) | 2012-07-03 |
EP2241757A1 (en) | 2010-10-20 |
EP2241757A4 (en) | 2016-08-24 |
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