JP2009108866A5 - - Google Patents
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- Publication number
- JP2009108866A5 JP2009108866A5 JP2008311853A JP2008311853A JP2009108866A5 JP 2009108866 A5 JP2009108866 A5 JP 2009108866A5 JP 2008311853 A JP2008311853 A JP 2008311853A JP 2008311853 A JP2008311853 A JP 2008311853A JP 2009108866 A5 JP2009108866 A5 JP 2009108866A5
- Authority
- JP
- Japan
- Prior art keywords
- fluid
- pulsation generator
- generator according
- diaphragm
- fluid chamber
- 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- Withdrawn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 20
- 230000010349 pulsation Effects 0.000 claims 11
Claims (8)
容積が変更可能な流体室と、
前記流体室の容積を変更する容積変更手段と、
前記流体室に連通し流体が流入する入口流路と、
前記流体室及び前記流体噴射開口部を連通しイナータンスが前記入口流路より小さく設定された出口流路と、を備え
前記入口流路と前記流体室と前記出口流路とを連通する直線部を有することを特徴とする脈動発生装置。 A pulsation generator provided in a fluid ejection device that ejects fluid from a fluid ejection opening,
A fluid chamber with a variable volume;
Volume changing means for changing the volume of the fluid chamber;
An inlet channel through which fluid flows into the fluid chamber;
And a outlet passage communicating inertance is set smaller than the inlet channel the fluid chamber and the fluid ejection opening
A pulsation generator having a straight line portion that communicates the inlet channel, the fluid chamber, and the outlet channel.
前記容積変更手段は、ダイアフラムと前記ダイアフラムを変形せしめる圧電素子とを備えることを特徴とする脈動発生装置。 The volume changing means includes a diaphragm and a piezoelectric element that deforms the diaphragm.
前記流体室の一面は前記ダイアフラムによって封止されていることを特徴とする脈動発生装置。 One surface of the fluid chamber is sealed with the diaphragm.
前記圧電素子は前記ダイアフラムとの少なくとも一部が密着され、前記圧電素子の伸縮に伴い、前記ダイアフラムが変形することを特徴とする脈動発生装置。 A pulsation generator according to claim 1, wherein at least a part of the piezoelectric element is in close contact with the diaphragm, and the diaphragm is deformed as the piezoelectric element expands and contracts.
前記容積変更手段は、 The volume changing means is
前記流体室の対向する二面をそれぞれ封止する複数のダイアフラムと、前記複数のダイアフラムにそれぞれ貼着された圧電素子と、を備えていることを特徴とする脈動発生装置。 A pulsation generator comprising: a plurality of diaphragms that respectively seal two opposing surfaces of the fluid chamber; and a piezoelectric element that is adhered to each of the plurality of diaphragms.
前記出口流路の断面積は前記流体噴射開口部より大きいことを特徴とする脈動発生装置。 The pulsation generator according to claim 1, wherein a cross-sectional area of the outlet channel is larger than the fluid ejection opening.
前記流体を供給する流体供給部と、 A fluid supply for supplying the fluid;
第１の端部が前記流体供給部に接続されるとともに第２の端部が前記入口流路に接続された接続流路とを有し、 A first end connected to the fluid supply and a second end connected to the inlet channel;
前記流体供給部にて供給された流体は、前記接続流路を介して前記第１流路に供給されることを特徴とする流体噴射装置。 The fluid ejecting apparatus according to claim 1, wherein the fluid supplied from the fluid supply unit is supplied to the first channel through the connection channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008311853A JP2009108866A (en) | 2008-12-08 | 2008-12-08 | Fluid jet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008311853A JP2009108866A (en) | 2008-12-08 | 2008-12-08 | Fluid jet device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2007208960A Division JP4311483B2 (en) | 2007-08-10 | 2007-08-10 | Liquid ejecting apparatus and surgical instrument using the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009108866A JP2009108866A (en) | 2009-05-21 |
| JP2009108866A5 true JP2009108866A5 (en) | 2010-07-29 |
Family
ID=40777571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008311853A Withdrawn JP2009108866A (en) | 2008-12-08 | 2008-12-08 | Fluid jet device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2009108866A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5742317B2 (en) | 2011-03-11 | 2015-07-01 | セイコーエプソン株式会社 | Fluid ejection device |
| CN107148245B (en) * | 2014-09-05 | 2021-03-09 | 普罗赛普特生物机器人公司 | Method and apparatus for genetic analysis and generation of stem cells |
-
2008
- 2008-12-08 JP JP2008311853A patent/JP2009108866A/en not_active Withdrawn
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