JP4795428B2 - ポンプ - Google Patents
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- JP4795428B2 JP4795428B2 JP2008507171A JP2008507171A JP4795428B2 JP 4795428 B2 JP4795428 B2 JP 4795428B2 JP 2008507171 A JP2008507171 A JP 2008507171A JP 2008507171 A JP2008507171 A JP 2008507171A JP 4795428 B2 JP4795428 B2 JP 4795428B2
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- motomeko
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- 230000033001 locomotion Effects 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 17
- 230000010355 oscillation Effects 0.000 claims description 14
- 230000006870 function Effects 0.000 claims description 4
- 230000003534 oscillatory effect Effects 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 11
- 238000005086 pumping Methods 0.000 description 5
- 230000003321 amplification Effects 0.000 description 4
- 238000003199 nucleic acid amplification method Methods 0.000 description 4
- 230000009021 linear effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000009022 nonlinear effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- 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
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- 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
- F04B45/00—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids
- F04B45/04—Pumps or pumping installations having flexible working members and specially adapted for elastic fluids having plate-like flexible members, e.g. diaphragms
- F04B45/047—Pumps having electric drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
- F04F7/00—Pumps displacing fluids by using inertia thereof, e.g. by generating vibrations therein
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Description
1以上のアクチュエータと、
2つの端壁と、
側壁と、
使用時に流体を含むと共に、前記端壁及び側壁により境界を仕切られた実質的に円柱状の形状を有するような空洞と、
前記空洞の壁を経る少なくとも2つの開口であって、これら開口の少なくとも1つが弁付き開口であるような少なくとも2つの開口と、
を有し、
前記空洞の半径a及び高さhが、
a/h>1.2及び
h2/a>4×10−10m
なる不等式を満足し、
前記アクチュエータが前記端壁の一方又は両方の、これら端壁の面に実質的に垂直な方向の振動運動を生じさせ、
これにより、使用時において、前記端壁の軸方向の振動が前記空洞内において流体圧の半径方向の振動を励起させるような流体ポンプが提供される。
のような特性を持つベッセル関数を示す。この場合、駆動される端壁12の中心が対向する端壁13から離れるように移動するにつれて、該駆動される端壁12の外側部分は対向する端壁13に向かって移動するようにされる。この場合、駆動される端壁及び当該空洞内の圧力振動はモード/形状が合致されており、該空洞11の容積は略一定に留まる。
・空洞共振周波数 − 好ましくは、500Hz以上、
・幾何学的増幅係数 − 好ましくは、10より大、
・粘性境界層の厚さ − 好ましくは、空洞の厚さの半分未満、
・空洞壁の変位は、空洞の厚さより小さくなければならない、
・空洞の容積 − 好ましくは、1cm3未満。
11 空洞
12 端壁
13 端壁
14 側壁
15 流入口の開口
16 吐出口の開口
20 アクチュエータ
21 第1の空洞
22 第2の空洞
23 アクチュエータ
Claims (17)
- 1以上のアクチュエータと、
2つの端壁と、
側壁と、
使用時に流体を含むと共に、前記端壁及び側壁により境界を仕切られた実質的に円柱状の形状を持つ空洞と、
前記空洞の壁を通る少なくとも2つの開口であって、これら開口のうちの少なくとも1つが弁付き開口である開口と、
を有する流体ポンプであって、
前記空洞の半径a及び高さhが、
(a/h)が1.2より大きい、且つ、
(h2/a)が4×10−10mより大きい、
なる不等式を満足し、
前記アクチュエータは、使用時に、前記端壁の一方又は両方の、これら端壁の面に実質的に垂直な方向の振動運動を生じさせ、
これにより、使用時に、前記端壁の軸方向振動が前記空洞内の流体の圧力の半径方向振動を励起させ、
前記空洞の半径aが、更に、
- 前記比(a/h)が20より大きい請求項1に記載のポンプ。
- 前記空洞の容積が10ml未満である請求項1又は請求項2に記載のポンプ。
- 使用時において、前記振動運動の周波数と前記空洞における前記半径方向圧力振動の最低共振周波数との差が前記振動運動の周波数の20%以内である請求項1に記載のポンプ。
- 使用時において、前記空洞における前記半径方向流体圧力振動の最低共振周波数が500Hzより高い請求項1ないし4の何れか一項に記載のポンプ。
- 前記端壁の一方又は両方が、これら端壁が中心において最小距離により、縁部においては最大距離により離隔される切頭円錐形状を有している請求項1ないし5の何れか一項に記載のポンプ。
- 前記アクチュエータが圧電デバイスである請求項1ないし6の何れか一項に記載のポンプ。
- 前記アクチュエータが磁歪デバイスである請求項1ないし6の何れか一項に記載のポンプ。
- 前記アクチュエータがソレノイドを含む請求項1ないし6の何れか一項に記載のポンプ。
- 前記端壁の運動が前記空洞内の圧力振動にモード/形状が合致している請求項1ないし9の何れか一項に記載のポンプ。
- 前記端壁の運動の振幅がベッセル関数の形態に等しい請求項1ないし10の何れか一項に記載のポンプ。
- 前記空洞の壁における如何なる弁無し開口も、該空洞の中心から0.43aから0.83aまでの距離に配置され、ここでaが前記空洞の半径である請求項1ないし11の何れか一項に記載のポンプ。
- 前記空洞の壁における如何なる弁付き開口も、前記端壁の中心に配置されている請求項1ないし12の何れか一項に記載のポンプ。
- 前記比(h2/a)が10−7メートルより大きく、作動する前記流体が気体である請求項1ないし4の何れか一項に記載のポンプ。
- 2つのポンプの前記空洞が共通の空洞端壁により分離されている請求項1ないし14の何れか一項に記載の一対のポンプ。
- 前記共通の空洞端壁がアクチュエータにより形成されている請求項15に記載の一対のポンプ。
- 前記ポンプが直列又は並列に接続されている請求項1ないし16の何れか一項に記載の一対のポンプ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0508194.8A GB0508194D0 (en) | 2005-04-22 | 2005-04-22 | Pump |
GB0508194.8 | 2005-04-22 | ||
PCT/GB2006/001487 WO2006111775A1 (en) | 2005-04-22 | 2006-04-21 | Pump |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008537057A JP2008537057A (ja) | 2008-09-11 |
JP4795428B2 true JP4795428B2 (ja) | 2011-10-19 |
Family
ID=34639978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008507171A Active JP4795428B2 (ja) | 2005-04-22 | 2006-04-21 | ポンプ |
Country Status (6)
Country | Link |
---|---|
US (1) | US8123502B2 (ja) |
EP (1) | EP1875081B1 (ja) |
JP (1) | JP4795428B2 (ja) |
CA (1) | CA2645907C (ja) |
GB (1) | GB0508194D0 (ja) |
WO (1) | WO2006111775A1 (ja) |
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US9976547B2 (en) | 2014-02-21 | 2018-05-22 | Murata Manufacturing Co., Ltd. | Piezoelectric blower |
US10125760B2 (en) | 2015-06-11 | 2018-11-13 | Murata Manufacturing Co., Ltd. | Pump |
US10221845B2 (en) | 2014-03-07 | 2019-03-05 | Murata Manufacturing Co., Ltd. | Blower |
US10260495B2 (en) | 2014-08-20 | 2019-04-16 | Murata Manufacturing Co., Ltd. | Blower with a vibrating body having a restraining plate located on a periphery of the body |
US10738773B2 (en) | 2014-05-20 | 2020-08-11 | Murata Manufacturing Co., Ltd. | Blower |
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- 2006-04-21 US US11/918,796 patent/US8123502B2/en active Active
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US9976547B2 (en) | 2014-02-21 | 2018-05-22 | Murata Manufacturing Co., Ltd. | Piezoelectric blower |
US10233918B2 (en) | 2014-02-21 | 2019-03-19 | Murata Manufacturing Co., Ltd. | Blower |
DE112015000889B4 (de) | 2014-02-21 | 2023-04-20 | Murata Manufacturing Co., Ltd. | Gebläse |
US10221845B2 (en) | 2014-03-07 | 2019-03-05 | Murata Manufacturing Co., Ltd. | Blower |
US10738773B2 (en) | 2014-05-20 | 2020-08-11 | Murata Manufacturing Co., Ltd. | Blower |
US10260495B2 (en) | 2014-08-20 | 2019-04-16 | Murata Manufacturing Co., Ltd. | Blower with a vibrating body having a restraining plate located on a periphery of the body |
US10125760B2 (en) | 2015-06-11 | 2018-11-13 | Murata Manufacturing Co., Ltd. | Pump |
DE112016002205B4 (de) | 2015-06-11 | 2021-09-16 | Murata Manufacturing Co., Ltd. | Pumpe |
Also Published As
Publication number | Publication date |
---|---|
CA2645907A1 (en) | 2006-10-26 |
JP2008537057A (ja) | 2008-09-11 |
US8123502B2 (en) | 2012-02-28 |
EP1875081A1 (en) | 2008-01-09 |
CA2645907C (en) | 2011-08-09 |
GB0508194D0 (en) | 2005-06-01 |
EP1875081B1 (en) | 2013-12-25 |
US20090087323A1 (en) | 2009-04-02 |
WO2006111775A1 (en) | 2006-10-26 |
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