JP2010051430A5 - - Google Patents
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- Publication number
- JP2010051430A5 JP2010051430A5 JP2008217671A JP2008217671A JP2010051430A5 JP 2010051430 A5 JP2010051430 A5 JP 2010051430A5 JP 2008217671 A JP2008217671 A JP 2008217671A JP 2008217671 A JP2008217671 A JP 2008217671A JP 2010051430 A5 JP2010051430 A5 JP 2010051430A5
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- wall surface
- ejecting apparatus
- spacer
- ejection device
- 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.)
- Withdrawn
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- 239000012530 fluid Substances 0.000 claims 29
- 125000006850 spacer group Chemical group 0.000 claims 7
- 239000011347 resin Substances 0.000 claims 2
- 229920005989 resin Polymers 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 239000000919 ceramic Substances 0.000 claims 1
- 239000011247 coating layer Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 230000010349 pulsation Effects 0.000 claims 1
Claims (8)
ダイアフラムと、
前記ダイアフラムに対向して設けられる壁面と、
前記ダイアフラムと前記壁面との間に設けられ、且つ円筒形の貫通孔を有するスペーサと、
前記ダイアフラムを変位させる圧電素子と、
前記流体室と前記ノズルとを連通する接続流路管と、を備え、
前記流体室は、前記ダイアフラムと、前記壁面と、前記スペーサの貫通孔の内側面と、によって形成され、
前記入口流路は、前記壁面に設けられた溝と前記スペーサとによって形成され、且つ前記流体室と連通していることを特徴とする流体噴射装置。 A fluid ejecting apparatus that includes a fluid chamber, an inlet channel, and a nozzle, changes the volume of the fluid chamber, and ejects the fluid supplied from the inlet channel to the fluid chamber in a pulsed manner from the nozzle. And
Diaphragm,
A wall surface provided opposite to the diaphragm;
A spacer provided between the diaphragm and the wall surface and having a cylindrical through hole;
A piezoelectric element for displacing the diaphragm;
A connection flow path pipe communicating the fluid chamber and the nozzle,
The fluid chamber is formed by the diaphragm, the wall surface, and the inner surface of the through hole of the spacer,
The fluid ejection device, wherein the inlet channel is formed by a groove provided on the wall surface and the spacer, and communicates with the fluid chamber.
前記壁面の溝が、
前記壁面の溝へ前記流体が供給される穴が設けられた第１の端部を備え、
前記壁面に沿って前記第１の端部から円弧状に延びて形成され、
前記円弧状に形成された部分の前記第１の端部に対する反対側から、前記スペーサの前記内側面まで、前記スペーサの内側面の接線方向に延びて形成され、
前記接線方向に延びて形成された部分の前記円弧状の部分に対する反対側から、前記スペーサの前記内側面の縁に沿って形成されていることを特徴とする流体噴射装置。 The fluid ejection device according to claim 1,
The groove on the wall surface
A first end provided with a hole through which the fluid is supplied to the groove of the wall surface;
Formed in a circular arc shape from the first end along the wall surface,
From the side opposite to the first end of the arc-shaped portion to the inner side surface of the spacer, it is formed extending in the tangential direction of the inner side surface of the spacer,
The fluid ejecting apparatus according to claim 1, wherein the fluid ejecting apparatus is formed along an edge of the inner side surface of the spacer from a side opposite to the arc-shaped portion of the portion extending in the tangential direction.
前記壁面の溝において前記スペーサの前記内側面の縁に沿って形成された部分の終端部が、前記入口流路を形成する前記壁面の溝の底面から前記壁面に向かう斜面で連続されていることを特徴とする流体噴射装置。 The fluid ejection device according to claim 2,
In the groove of the wall surface, a terminal portion of a portion formed along the edge of the inner surface of the spacer is continuous with a slope from the bottom surface of the wall groove forming the inlet channel toward the wall surface. A fluid ejecting apparatus.
前記流体室の内壁面に被覆層が設けられていることを特徴とする流体噴射装置。 The fluid ejection device according to claim 1,
A fluid ejecting apparatus, wherein a coating layer is provided on an inner wall surface of the fluid chamber.
前記ダイアフラムの周縁部を保持する保持部を備え、
前記保持部の内部に前記圧電素子が配設され、前記圧電素子と前記保持部との空間に樹脂が充填されていることを特徴とする流体噴射装置。 The fluid ejection device according to claim 1,
A holding portion for holding the peripheral edge of the diaphragm;
The fluid ejecting apparatus according to claim 1, wherein the piezoelectric element is disposed inside the holding portion, and a resin is filled in a space between the piezoelectric element and the holding portion.
前記樹脂が無機セラミックスもしくは炭素を含有していることを特徴とする流体噴射装置。 The fluid ejection device according to claim 5, wherein
The fluid ejecting apparatus, wherein the resin contains inorganic ceramics or carbon.
前記接続流路管が着脱可能であることを特徴とする流体噴射装置。 The fluid ejection device according to claim 1,
The fluid ejecting apparatus according to claim 1, wherein the connection channel pipe is detachable.
前記出口流路に連通可能に構成され、
前記出口流路と連通する側と反対の端部に、流体の流動方向に対して垂直方向の断面積が前記出口流路の断面積よりも小さい流体噴射開口部を有することを特徴とする接続流路管。 A connecting flow channel pipe that is detachable from a pulsation generating mechanism that changes the volume of the fluid chamber and pulsates and discharges fluid from an outlet flow channel that communicates with the fluid chamber,
Configured to communicate with the outlet channel,
A connection characterized by having a fluid ejection opening at the end opposite to the side communicating with the outlet channel, having a cross-sectional area perpendicular to the fluid flow direction smaller than the cross-sectional area of the outlet channel. Channel tube.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008217671A JP2010051430A (en) | 2008-08-27 | 2008-08-27 | Pulse generating mechanism, connection flow channel tube, fluid ejection apparatus |
| CN200910167429A CN101658439A (en) | 2008-08-27 | 2009-08-21 | Pulsation generating mechanism, connecting flow channel tube, and fluid ejecting apparatus |
| US12/548,019 US20100054960A1 (en) | 2008-08-27 | 2009-08-26 | Pulsation generating mechanism, connecting flow channel tube, and fluid ejecting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008217671A JP2010051430A (en) | 2008-08-27 | 2008-08-27 | Pulse generating mechanism, connection flow channel tube, fluid ejection apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010051430A JP2010051430A (en) | 2010-03-11 |
| JP2010051430A5 true JP2010051430A5 (en) | 2011-09-22 |
Family
ID=41725733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008217671A Withdrawn JP2010051430A (en) | 2008-08-27 | 2008-08-27 | Pulse generating mechanism, connection flow channel tube, fluid ejection apparatus |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20100054960A1 (en) |
| JP (1) | JP2010051430A (en) |
| CN (1) | CN101658439A (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5609194B2 (en) * | 2010-03-23 | 2014-10-22 | セイコーエプソン株式会社 | Liquid ejector |
| JP2011200264A (en) * | 2010-03-24 | 2011-10-13 | Seiko Epson Corp | Liquid jetting device |
| JP5696484B2 (en) * | 2011-01-12 | 2015-04-08 | セイコーエプソン株式会社 | Fluid ejection device, medical equipment |
| JP5870565B2 (en) * | 2011-09-08 | 2016-03-01 | セイコーエプソン株式会社 | Liquid ejector |
| JP5668485B2 (en) * | 2011-01-18 | 2015-02-12 | セイコーエプソン株式会社 | Liquid container, liquid ejecting section, and liquid ejecting apparatus |
| CN102602142B (en) * | 2011-01-18 | 2016-03-02 | 精工爱普生株式会社 | Liquid injection apparatus |
| CN102996395B (en) * | 2011-09-13 | 2016-12-21 | 精工爱普生株式会社 | Liquid-feeding pump, liquid circulating apparatus, armarium and electronic equipment |
| JP2013215548A (en) * | 2012-03-15 | 2013-10-24 | Seiko Epson Corp | Liquid circulating apparatus and medical apparatus |
| JP6186798B2 (en) * | 2013-03-28 | 2017-08-30 | セイコーエプソン株式会社 | Fluid ejecting apparatus and medical device |
| JP6186831B2 (en) * | 2013-04-18 | 2017-08-30 | セイコーエプソン株式会社 | Liquid ejector |
| JP2015051179A (en) * | 2013-09-09 | 2015-03-19 | セイコーエプソン株式会社 | Medical appliance accommodation device |
| JP2015054030A (en) * | 2013-09-11 | 2015-03-23 | セイコーエプソン株式会社 | Liquid jetting device, liquid jetting method and medical apparatus |
| JP2015062469A (en) * | 2013-09-24 | 2015-04-09 | セイコーエプソン株式会社 | Control device and inspection method |
| CN106264671B (en) * | 2015-05-14 | 2018-11-23 | 惠州海卓科赛医疗有限公司 | A kind of high cutting force medical water jet |
| CN107822696A (en) * | 2017-10-12 | 2018-03-23 | 徐州市妇幼保健院 | A kind of medical hysteroscope water knife spray gun and its application method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7225670B2 (en) * | 2000-05-18 | 2007-06-05 | Seiko Epson Corporation | Mounting structure, module, and liquid container |
| JP4678135B2 (en) * | 2003-06-17 | 2011-04-27 | セイコーエプソン株式会社 | pump |
| US7889877B2 (en) * | 2003-06-30 | 2011-02-15 | Nxp B.V. | Device for generating a medium stream |
| JP4367086B2 (en) * | 2003-10-24 | 2009-11-18 | セイコーエプソン株式会社 | Pump drive method |
| US7621622B2 (en) * | 2005-03-18 | 2009-11-24 | Fujifilm Corporation | Liquid ejection head |
| JP5082049B2 (en) * | 2006-09-26 | 2012-11-28 | セイコーエプソン株式会社 | Fluid ejecting apparatus and surgical tool |
-
2008
- 2008-08-27 JP JP2008217671A patent/JP2010051430A/en not_active Withdrawn
-
2009
- 2009-08-21 CN CN200910167429A patent/CN101658439A/en active Pending
- 2009-08-26 US US12/548,019 patent/US20100054960A1/en not_active Abandoned
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