JP2010059902A5 - - Google Patents
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- JP2010059902A5 JP2010059902A5 JP2008227981A JP2008227981A JP2010059902A5 JP 2010059902 A5 JP2010059902 A5 JP 2010059902A5 JP 2008227981 A JP2008227981 A JP 2008227981A JP 2008227981 A JP2008227981 A JP 2008227981A JP 2010059902 A5 JP2010059902 A5 JP 2010059902A5
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- JP
- Japan
- Prior art keywords
- piezoelectric element
- fluid
- diaphragm
- ejection device
- ejecting apparatus
- Prior art date
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Claims (8)
前記流体室と、前記流体室に流体を供給する入口流路と、前記流体室から流体を吐出する出口流路と、前記出口流路に連通するノズルと、を有するノズルユニットと、
前記ダイアフラムを変位させる圧電素子を有する圧電素子ユニットと、を備え、
前記ノズルユニットと前記圧電素子ユニットとが、着脱可能に装着されていることを特徴とする流体噴射装置。 A fluid ejecting apparatus that ejects fluid from a nozzle in a pulsed manner by changing the volume of a fluid chamber with a diaphragm,
A nozzle unit comprising: the fluid chamber; an inlet channel that supplies fluid to the fluid chamber; an outlet channel that discharges fluid from the fluid chamber; and a nozzle that communicates with the outlet channel;
A piezoelectric element unit having a piezoelectric element for displacing the diaphragm,
The fluid ejecting apparatus, wherein the nozzle unit and the piezoelectric element unit are detachably mounted.
前記圧電素子の伸縮方向の一方の端面に固着され前記ダイアフラムに密接する補助部材と、他方の端面に固着されると共に前記ノズルユニットの筐体に固定する蓋部材と、を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 1,
An auxiliary member that is fixed to one end surface of the piezoelectric element in the expansion / contraction direction and is in close contact with the diaphragm; and a lid member that is fixed to the other end surface and is fixed to the casing of the nozzle unit. A fluid ejecting apparatus.
前記圧電素子に駆動信号を入力する接続リードが接続され、前記接続リードと前記圧電素子との接続部を含む前記圧電素子の表面を覆う樹脂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 or 2,
A fluid ejecting apparatus, wherein a connection lead for inputting a driving signal is connected to the piezoelectric element, and a resin layer covering a surface of the piezoelectric element including a connection portion between the connection lead and the piezoelectric element is provided. .
前記補助部材が、前記ダイアフラム及び前記圧電素子よりもヤング率が小さい材料で形成されていることを特徴とする流体噴射装置。 In the fluid ejection device according to claim 2 or 3,
The fluid ejecting apparatus, wherein the auxiliary member is made of a material having a Young's modulus smaller than that of the diaphragm and the piezoelectric element.
前記ダイアフラムが、前記圧電素子を付勢する弾性要素を備え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 fluid ejection device, wherein the diaphragm includes an elastic element that biases the piezoelectric element.
前記補助部材と前記ダイアフラムとを密接した状態で、内部に前記圧電素子が配設される筐体の端面と前記蓋部材との接合部に隙間を設け、前記隙間が接合部材で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 or 2,
In a state where the auxiliary member and the diaphragm are in close contact with each other, a gap is provided in a joint portion between the end surface of the casing in which the piezoelectric element is disposed and the lid member, and the gap is filled with the joint member. A fluid ejecting apparatus.
前記ノズルユニットが前記ダイアフラムを含み、
前記圧電素子ユニットが、前記圧電素子を格納する筐体と、前記筐体の前記ダイアフラム方向の開口部を封止し前記圧電素子の一方の端面が固着される薄板部材と、前記筐体の前記ダイアフラムとは反対方向の開口部を封止し前記圧電素子の他方の端面に固着される蓋部材と、を有し、
前記圧電素子ユニットと前記ノズルユニットとを装着するとき、前記ダイアフラムと前記薄板部材とが密接されることを特徴とする流体噴射装置。 The fluid ejection device according to claim 1,
The nozzle unit includes the diaphragm;
The piezoelectric element unit includes a housing that houses the piezoelectric element, a thin plate member that seals the opening in the diaphragm direction of the housing, and one end face of the piezoelectric element is fixed, and the housing A lid member that seals an opening in a direction opposite to the diaphragm and is fixed to the other end face of the piezoelectric element;
The fluid ejecting apparatus according to claim 1, wherein when the piezoelectric element unit and the nozzle unit are mounted, the diaphragm and the thin plate member are in close contact with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008227981A JP5277802B2 (en) | 2008-09-05 | 2008-09-05 | Fluid ejection device and surgical scalpel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008227981A JP5277802B2 (en) | 2008-09-05 | 2008-09-05 | Fluid ejection device and surgical scalpel |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013106893A Division JP2013163044A (en) | 2013-05-21 | 2013-05-21 | Fluid jet device and surgical scalpel |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2010059902A JP2010059902A (en) | 2010-03-18 |
| JP2010059902A5 true JP2010059902A5 (en) | 2011-10-06 |
| JP5277802B2 JP5277802B2 (en) | 2013-08-28 |
Family
ID=42186961
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008227981A Expired - Fee Related JP5277802B2 (en) | 2008-09-05 | 2008-09-05 | Fluid ejection device and surgical scalpel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5277802B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602142B (en) | 2011-01-18 | 2016-03-02 | 精工爱普生株式会社 | Liquid injection apparatus |
| JP5870565B2 (en) * | 2011-09-08 | 2016-03-01 | セイコーエプソン株式会社 | Liquid ejector |
| US9321071B2 (en) * | 2012-09-28 | 2016-04-26 | Amastan Technologies Llc | High frequency uniform droplet maker and method |
| JP6229286B2 (en) | 2013-03-29 | 2017-11-15 | セイコーエプソン株式会社 | Liquid ejector, medical equipment |
| JP2016174867A (en) * | 2015-03-23 | 2016-10-06 | セイコーエプソン株式会社 | Nozzle unit for liquid jetting device, actuator unit for liquid jetting device, and handpiece for liquid jetting device |
| JP2016176457A (en) | 2015-03-23 | 2016-10-06 | セイコーエプソン株式会社 | Actuator unit for liquid injection device and hand piece for liquid injection device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03149370A (en) * | 1989-11-07 | 1991-06-25 | Toshiba Corp | Piezoelectric vibrator and piezoelectric type pump therewith |
| JPH08261157A (en) * | 1995-03-28 | 1996-10-08 | Kawasumi Lab Inc | Liquid transfer feed pump |
| JP2001271757A (en) * | 2000-03-27 | 2001-10-05 | Seiko Epson Corp | Piezoelectric pump |
| JP2005098263A (en) * | 2003-09-26 | 2005-04-14 | Seiko Epson Corp | Pump |
| 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
- 2008-09-05 JP JP2008227981A patent/JP5277802B2/en not_active Expired - Fee Related
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