JP2021523039A - 噴射アセンブリで使用する封止マイクロバルブのシステムおよび方法 - Google Patents
噴射アセンブリで使用する封止マイクロバルブのシステムおよび方法 Download PDFInfo
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- JP2021523039A JP2021523039A JP2020563595A JP2020563595A JP2021523039A JP 2021523039 A JP2021523039 A JP 2021523039A JP 2020563595 A JP2020563595 A JP 2020563595A JP 2020563595 A JP2020563595 A JP 2020563595A JP 2021523039 A JP2021523039 A JP 2021523039A
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- orifice
- sealing
- sealing member
- working beam
- valve seat
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14201—Structure of print heads with piezoelectric elements
- B41J2/14282—Structure of print heads with piezoelectric elements of cantilever type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14201—Structure of print heads with piezoelectric elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14201—Structure of print heads with piezoelectric elements
- B41J2/14233—Structure of print heads with piezoelectric elements of film type, deformed by bending and disposed on a diaphragm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17596—Ink pumps, ink valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/022—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising a deformable member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/004—Actuating devices; Operating means; Releasing devices actuated by piezoelectric means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
- F16K99/0003—Constructional types of microvalves; Details of the cutting-off member
- F16K99/0005—Lift valves
- F16K99/0007—Lift valves of cantilever type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K99/0001—Microvalves
- F16K99/0034—Operating means specially adapted for microvalves
- F16K99/0042—Electric operating means therefor
- F16K99/0048—Electric operating means therefor using piezoelectric means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/05—Heads having a valve
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K99/00—Subject matter not provided for in other groups of this subclass
- F16K2099/0082—Microvalves adapted for a particular use
- F16K2099/0092—Inkjet printers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Coating Apparatus (AREA)
- Electrically Driven Valve-Operating Means (AREA)
- Micromachines (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Lift Valve (AREA)
- Fluid-Driven Valves (AREA)
- Valve Housings (AREA)
Abstract
【選択図】図1
Description
本出願は、2018年5月11日に出願された米国仮出願第62/670,280号の優先権および利益を主張し、その開示は参照によりその全体が本明細書に組み込まれる。
Claims (20)
- マイクロバルブは、
第一の表面および第二の表面を備えるオリフィスプレートであって、前記オリフィスプレートは前記第一の表面から前記第二の表面へ延在するオリフィスを備える、オリフィスプレートと、
前記オリフィスプレートに対して離間して配置される作動ビームであって、前記作動ビームはベース部および片持ち梁部を備え、前記ベース部は前記オリフィスプレートから所定の距離だけ離れ、前記片持ち梁部は前記ベース部から前記オリフィスに向かって延在し、その重なり合う部分は前記オリフィスと重なり合い、前記作動ビームは閉位置と開位置との間で移動可能である、作動ビームと、
前記片持ち梁部の前記重なり合う部分に配置される封止部材を備える封止構造と、を備え、
前記作動ビームが閉位置にある場合、前記片持ち梁部は、前記封止構造が前記オリフィスを封止して前記マイクロバルブを閉じるように配置される、マイクロバルブ。 - 前記作動ビームは圧電材料の層を備え、前記作動ビームは、前記圧電材料に印加される電気信号に応答して、前記閉位置と前記開位置との間で移動可能である、請求項1に記載のマイクロバルブ。
- 前記封止構造は、前記封止部材の表面上に配置されるストッパーを備え、前記ストッパーは、前記封止部材の表面に取り付けられる第一の部分と、前記第一の部分上に前記オリフィスプレートに近接して配置される第二の部分とを備え、前記第二の部分は前記第一の部分よりも大きな断面積を有する、請求項1に記載のマイクロバルブ。
- 前記ストッパーは、ビスフェノールAノボラックグリシジルエーテル系フォトレジストで構成される、請求項3に記載のマイクロバルブ。
- 前記封止部材、前記第一の部分、および前記第二の部分のそれぞれは実質的に円筒形である、請求項3に記載のマイクロバルブ。
- 前記封止構造は、前記オリフィスを取り囲むバルブシートをさらに備え、前記バルブシートは、前記オリフィスと重なり合って流体出口を画成する開口部を画成する、請求項1に記載のマイクロバルブ。
- 前記封止部材は、
前記オリフィスに面する封止部材表面であって、前記封止部材表面は前記オリフィスプレートの上面に実質的に平行であり、前記封止部材表面は、前記作動ビームが前記閉位置にある場合に前記バルブシートからある距離だけ変位される、封止部材表面と、
前記封止部材表面から前記オリフィスプレートに向かう前記距離を伸ばす第一の封止ブレードであって、前記第一の封止ブレードは、前記オリフィスの周囲全体を取り囲む、第一の封止ブレードと、を備える、請求項6に記載のマイクロバルブ。 - 前記封止部材および前記オリフィスプレートは実質的に円筒形であり、前記オリフィスは第一の直径の円筒形であり、前記封止部材は前記第一の直径よりも大きい第二の直径の円筒形である、請求項7に記載のマイクロバルブ。
- 前記第一の封止ブレードは環状であり、前記第一の直径より大きく前記第二の直径より小さい第一の外径を備える、請求項8に記載のマイクロバルブ。
- 前記バルブシートの内面と前記オリフィスの内面は、互いに実質的に位置合わせされて流体出口を形成し、前記マイクロバルブは前記流体出口の内面上に配置されるコーティングをさらに備える、請求項6に記載のマイクロバルブ。
- 前記封止部材に面する前記バルブシートの上面、または前記バルブシートに面する前記封止部材の封止部材表面のうちの少なくとも一つを覆う適合層をさらに備える、請求項6に記載のマイクロバルブ。
- 前記適合層は金を含む、請求項11に記載のマイクロバルブ。
- 噴射アセンブリは、
貫通して延在する複数のオリフィスを備えるオリフィスプレートを備えるバルブ本体と、
複数のマイクロバルブであって、前記複数のマイクロバルブのそれぞれは、
前記オリフィスプレート上に配置され、対応するオリフィスから変位されたスペーサー部材と、
作動ビームであって、前記作動ビームは、前記スペーサー部材上に配置されるベース部、および前記ベース部から前記対応するオリフィスに向かって延在する片持ち梁部を備え、その重なり合う部分は前記対応するオリフィスと重なり合い、前記作動ビームは、前記片持ち梁部が前記オリフィスに向かって曲がる閉位置と、前記片持ち梁部が前記オリフィスから離れるように曲がる開位置との間で移動するように構成される、作動ビームと、
前記重なり合う部分に取り付けられ、前記対応するオリフィスに向かって延在する封止部材を備える封止構造と、を備える、複数のマイクロバルブと、
前記複数のマイクロバルブのそれぞれに連結し、それぞれの前記複数のマイクロバルブの流体貯留部を画成する流体マニホールドと、を備える、噴射アセンブリ。 - 前記作動ビームは圧電材料の層を備え、前記作動ビームは、前記圧電材料に印加される電気信号に応答して、前記閉位置と前記開位置との間で移動可能であり、前記圧電材料の層に電気信号が印加されない場合、前記マイクロバルブは前記閉位置にある、請求項13に記載の噴射アセンブリ。
- 前記封止構造は、封止部材表面上に配置されるストッパーを備え、前記ストッパーは、前記封止部材表面に取り付けられる第一の部分と、前記第一の部分上に前記オリフィスプレートにより近接して配置される第二の部分とを備え、前記第二の部分は前記第一の部分よりも大きな断面積を有する、請求項13に記載の噴射アセンブリ。
- 前記封止構造は、前記オリフィスプレート上に、そのオリフィスに近接して配置されるバルブシートをさらに備え、前記バルブシートは、前記オリフィスと重なり合って流体出口を画成する開口部を画成する、請求項13に記載の噴射アセンブリ。
- 前記封止部材は、
前記オリフィスに面する封止部材表面であって、前記封止部材表面は前記オリフィスプレートの上面に実質的に平行であり、前記封止部材表面は、前記バルブシートからある距離だけ変位される、封止部材表面と、
前記封止部材表面から前記オリフィスプレートに向う前記距離を伸ばす第一の封止ブレードであって、前記第一の封止ブレードは、前記第一の封止ブレードの一部が、前記オリフィスの周囲にそこから少し離れて配置されるように、前記オリフィスの少なくとも一部を囲む、第一の封止ブレードと、を備える、請求項16に記載の噴射アセンブリ。 - 前記封止部材は、前記第一の封止ブレードを取り囲む第二の封止ブレードをさらに備える、請求項17に記載の噴射アセンブリ。
- マイクロバルブは、
第一の表面および第二の表面を備えるオリフィスプレートであって、前記オリフィスプレートは前記第一の表面から前記第二の表面へ延在するオリフィスを備える、オリフィスプレートと、
前記オリフィスプレートに対して離間して配置される作動ビームであって、前記作動ビームはベース部および片持ち梁部を備え、前記ベース部は前記オリフィスプレートから所定の距離だけ離れ、前記片持ち梁部は前記ベース部から前記オリフィスに向かって延在し、その重なり合う部分は前記オリフィスと重なり合い、前記作動ビームは閉位置と開位置との間で移動可能である、作動ビームと、
前記作動ビーム上に配置される封止構造であって、前記封止構造は、
前記オリフィスを取り囲むバルブシートであって、前記バルブシートは前記オリフィスを取り囲んで流体出口を画成する開口部を画成する、バルブシートと、
前記片持ち梁部の前記重なり合う部分に配置される封止構造と、
前記封止部材の封止部材表面から前記オリフィスプレートに向かう距離を伸ばす第一の封止ブレードであって、前記第一の封止ブレードは前記オリフィスの周囲全体を取り囲み、前記オリフィスを封止して前記マイクロバルブを閉じるために、前記封止ブレードは、前記閉位置で前記バルブシートに接触するように構成される、第一の封止ブレードと、を備える、封止構造と、を備える、マイクロバルブ。 - 前記封止部材は、前記第一の封止ブレードを取り囲む第二の封止ブレードをさらに備え、前記第二の封止ブレードは前記第一の外径よりも大きいが前記第二の直径よりも小さい第二の外径を有し、前記第一の封止ブレードと前記第二の封止ブレードとの間に環状間隙が形成される、請求項19に記載のマイクロバルブ。
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CA3099839A1 (en) | 2019-11-14 |
BR112020022988A2 (pt) | 2021-02-02 |
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WO2019215674A1 (en) | 2019-11-14 |
US11479041B2 (en) | 2022-10-25 |
JP2024056759A (ja) | 2024-04-23 |
EP3790738A1 (en) | 2021-03-17 |
TWI805758B (zh) | 2023-06-21 |
JP7431751B2 (ja) | 2024-02-15 |
US20190346051A1 (en) | 2019-11-14 |
TW202003267A (zh) | 2020-01-16 |
KR20210020905A (ko) | 2021-02-24 |
CN116394655A (zh) | 2023-07-07 |
AU2019265877A1 (en) | 2020-11-26 |
CN112368149A (zh) | 2021-02-12 |
CN112368149B (zh) | 2023-01-13 |
AU2019265877B2 (en) | 2024-10-03 |
MX2020012074A (es) | 2021-03-09 |
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