WO2006029236B1 - Fluid drop ejection system capable of removing dissolved gas from fluid - Google Patents

Fluid drop ejection system capable of removing dissolved gas from fluid

Info

Publication number
WO2006029236B1
WO2006029236B1 PCT/US2005/031926 US2005031926W WO2006029236B1 WO 2006029236 B1 WO2006029236 B1 WO 2006029236B1 US 2005031926 W US2005031926 W US 2005031926W WO 2006029236 B1 WO2006029236 B1 WO 2006029236B1
Authority
WO
WIPO (PCT)
Prior art keywords
fluid
reservoir
drop ejection
ejection head
ejection system
Prior art date
Application number
PCT/US2005/031926
Other languages
French (fr)
Other versions
WO2006029236A1 (en
Inventor
Edward R Moynihan
Original Assignee
Dimatix Inc
Edward R Moynihan
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dimatix Inc, Edward R Moynihan filed Critical Dimatix Inc
Priority to JP2007530490A priority Critical patent/JP4805933B2/en
Priority to KR1020077006238A priority patent/KR101318907B1/en
Priority to AT05808350T priority patent/ATE500972T1/en
Priority to CN200580032633XA priority patent/CN101052530B/en
Priority to DE602005026831T priority patent/DE602005026831D1/en
Priority to EP05808350A priority patent/EP1791698B1/en
Publication of WO2006029236A1 publication Critical patent/WO2006029236A1/en
Publication of WO2006029236B1 publication Critical patent/WO2006029236B1/en

Links

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
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/19—Ink jet characterised by ink handling for removing air bubbles
    • 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

Abstract

A drop ejection system includes a drop ejection head and a reservoir. An air pump produces a partial vacuum above a fluid body in the reservoir to remove dissolved air or vapor in the fluid.

Claims

AMENDED CLAIMS received by the International Bureau on 31 March 2006 (31.03.2006);What is claimed is:
1. A drop ejection system, comprising: a drop ejection head comprising a plurality of nozzles for ejecting a fluid; a first reservoir adapted to hold a fluid and have a space above the fluid; a first fluid path that connects a lower portion of the first reservoir with the drop ejection head; a second reservoir adapted to hold a fluid and have a space above the fluid; a second fluid path that connects a lower portion of the second reservoir with the first reservoir; and a controllable air pump coupled to an upper portion of the second reservoir to produce a partial vacuum in the space above the fluid in the second reservoir.
2. The drop ejection system of claim 1 , wherein the partial vacuum in the upper portion of the second reservoir enables the extraction of dissolved air or dissolved vapor from the fluid in the second reservoir.
3. The drop ejection system of claim 1, further comprising a fluid valve to shut off the second fluid path from the second reservoir to the first reservoir.
4. The drop ejection system of claim 1, further comprising a stirring device to stir the fluid in the second reservoir to assist the extraction of dissolved air from the fluid.
5. The drop ejection system of claim 1, further comprising a pump to pump the fluid from the second reservoir to the first reservoir through the second fluid path.
6. The drop ejection system of claim 1, further comprising a fluid-feeding path for providing fluid to the lower portion of the second reservoir, wherein the fluid-feeding path can be closed when the partial vacuum is generated in the upper portion of the second reservoir.
7. The drop ejection system of claim 1, wherein the drop ejection head further comprises a fluid conduit that can supply the ink received from' the' first reservoir to the nozzles.
8. The drop ejection system of claim 1, wherein the drop ejection head is movable without requiring movement of the second reservoir.
9. The drop ejection system of claim 1, further comprising a control unit that controls the air purap to produce the partial vacuum.
10. The drop ejection system of claim 9, wherein the control unit controls the air pump in response to one or more properties of the fluid.
11. The drop ejection system of claim 9, wherein Hie control unit controls the air pump in response to the idle time of the drop ejection head.
12. The drop ejection system of claim 9, wherein the control unit controls the air pump in response to the fluid filling status or the fluid level in the second reservoir.
13. The drop ejection system of claim 1 , wherein the fluid includes one of more of an ink, a dye-based ink, a pigment-based ink, a hot-melt ink, a colorant containing fluid, a paint, a polymer solution, a solvent, a colloidal suspension, and a metal containing fluid.
14. The drop ejection system of claim 1, wherein the drop ejection head comprises one or more fluid ejection actuators that can actuate the fluid ejection through the nozzles.
15. The drop ejection device of claim 14, wherein the fluid ejection actuator includes a piezoelectric transducer or a heater.
16. The drop ejection device of claim 1, wherein a surface of fluid in the first reservoir controls the meniscus pressure at the nozzles in the drop ejection head.
17. A drop ejection system, comprising: a drop ejection head comprising a plurality of nozzles for ejecting a fluid; a reservoir adapted to hold a fluid in its lower portion; a first fluid path that can supply the fluid from the lower portion of the reservoir to the drop ejection head; a first fluid valve that can shut off the fluid connection from the lower portion of the reservoir to the drop ejection head; and an air pump to produce a partial vacuum in the upper portion of the reservoir.
18. The drop ejection system of claim 17, wherein the partial vacuum in the upper portion of the reservoir enables the extraction of dissolved air or dissolved vapor from the fluid body.
19. The drop ejection system of claim 17, further comprising a stirring device to stir the fluid in the reservoir to assist the extraction of dissolved air from the fluid.
20. The drop ejection system of claim 17, further comprising a pump to pump the fluid from the reservoir to the drop ejection head along the fluid path,
21. The drop ejection system of claim 17, wherein the drop ejection head further comprises a fluid conduit that can supply the ink received from the first reservoir to the nozzles.
22. The drop ejection system of claim 17, further comprising a second fluid path for providing fluid to the reservoir, wherein the fluid-feeding path can be closed when the partial vacuum is generated in the space above the ink body in the reservoir.
23. The drop ejection system of claim 17, wherein the drop ejection head is movable without requiring the movement of the reservoir.
24. The drop ejection system of claim 17, further comprising a control unit that controls the air pump to produce the partial vacuum.
25. The drop ejection system of claim 24, wherein the control unit controls the air pump in response to one or more properties of the fluid.
26. The drop ejection system of claim 24, wherein the control unit controls the air pump in response to the idle time of the drop ejection head.
27. The drop ejection system of claim 24, wherein the control unit controls the air pump in response to the fluid filling status or the fluid level in the reservoir.
28. The drop ejection system of claim 17, wherein the fluid includes one of more of an ink, a dye-based ink, a pigment-based ink, a hot-melt ink, a colorant containing fluid, a paint, a polymer solution, a solvent, a colloidal suspension, and a metal containing fluid.
29. The drop ejection system of claim 17, wherein the drop ejection head comprises one or more fluid ejection actuators that can actuate the fluid ejection through the nozzles.
30. The drop ejection device of claim 29, wherein the fluid ejection actuator includes a piezoelectric transducer or a heater.
31. The drop ejection device of claim 17, wherein a surface of the fluid in the reservoir controls the meniscus pressure at the nozzles in the drop ejection head.
32. A method of removing dissolved gas in a fluid ejection system, comprising: providing a fluid in a second reservoir that is in fluid communication with a first reservoir; producing a partial vacuum in a space above the fluid in the second reservoir using an air pump; supplying the fluid in the second reservoir to the first reservoir, the first reservoir having a space above the fluid; and supplying the fluid in the first reservoir to a drop ejection head.
33. The method of claim 32, wherein the partial vacuum enables the extraction of dissolved air or dissolved vapor from the fluid in the second reservoir.
34. The method of claim 32, further comprising shutting off the fluid communication to oτ from the second reservoir.
35. The method of claim 32, further comprising stirring the fluid in the second reservoir.
36. The method of claim 32, wherein producing a partial vacuum is dependent of one or more properties of the fluid.
37. The method of claim 36, further comprising tracking the idle time of the drop ejection head.
38. The method of claim 36, further comprising tracking the fluid filling status or the fluid level in the second reservoir.
39. The method of claim 36, further comprising pumping the fluid from the second reservoir to the first reservoir.
40. The method of claim 32, wherein the fluid includes one of more of an ink, a dye- based ink, a pigment-based ink, a hot-melt ink, a colorant containing fluid, a paint, a polymer solution, a solvent, a colloidal suspension, and a metal containing fluid.
41. The method of claim 32, further comprising providing fluid to the second reservoir through a fluid-feeding path that can be shut off during producing a partial vacuum in a space above the fluid in the second reservoir.
42. The method of claim 32, further comprising translating the drop ejection head relative to a receiver without moving the second reservoir; and ejecting fluid drops from the fluid ejection head to form a pattern on the receiver.
43. The method of claim 32, further comprising controlling the meniscus pressure of nozzles in the drop ejection head by the fluid in the first reservoir.
44. A method of removing dissolved gas in a fluid ejection system, comprising: providing a fluid in a reservoir; sealing fluid communications to the fluid in the reservoir; producing a partial vacuum in a space above the fluid in the reservoir; supplying the fluid in the reservoir to a drop ejection head having one or more nozzles for ejecting fluids; translating the fluid ejection hoad relative to a receiver without moving the reservoir; and ejecting fluid drops from the one or more fluid ejection nozzles in the fluid ejection head.
45. The method of claim 44, wherein the partial vacuum in a space above the fluid in the reservoir enables the extraction of dissolved air or dissolved vapor from the fluids.
46. The method of claim 44, wherein the fluid in the reservoir is supplied to the drop ejection head having one or more nozzles for ejecting fluids after the partial vacuum is produced in the space above the fluid in the reservoir.
47. The method of claim 44, wherein sealing the fluid in the reservoir includes shutting off at least one valve along a fluid path connected with the reservoir.
48. The method of claim 44, wherein supplying the fluid in the reservoir to a drop ejection head includes opening a valve along a fluid path from the reservoir to the fluid ejection head; and pumping the fluid from the reservoir to the drop ejection head comprises.
49. The method of claim 44, further comprising stirring the fluid in the reservoir.
50. The method of claim 44, wherein producing a partial vacuum is dependent of one or more properties of the fluid.
51. The method of claim 50, further comprising tracking the idle time of the drop ejection head.
52. The method of claim 50, further comprising tracking the fluid filling status and the fluid level in the reservoir.
53. The method of claim 44, wherein the fluid includes one of more of an ink, a dye- based ink, a pigment-based ink, a hot- melt ink, a colorant containing fluid, a paint, a polymer solution, s solvent, a colloidal suspension, and a metal containing fluid.
54. The method of claim 44, further comprising providing nozzles in the drop ejection head for ejecting fluid; and controlling the meniscus pressure of the nozzles in the drop ejection head by the partial vacuum and the surface of the fluid in the reservoir.
Figure imgf000008_0001
PCT/US2005/031926 2004-09-07 2005-09-06 Fluid drop ejection system capable of removing dissolved gas from fluid WO2006029236A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2007530490A JP4805933B2 (en) 2004-09-07 2005-09-06 Fluid droplet ejection system capable of removing dissolved gas from fluid
KR1020077006238A KR101318907B1 (en) 2004-09-07 2005-09-06 Fluid drop ejection system capable of removing dissolved gas from fluid
AT05808350T ATE500972T1 (en) 2004-09-07 2005-09-06 LIQUID DROP EJECTION SYSTEM WITH FUNCTION TO REMOVE DISSOLVED GAS FROM THE LIQUID
CN200580032633XA CN101052530B (en) 2004-09-07 2005-09-06 Fluid drop ejection system and method for removing dissolved gas from fluid
DE602005026831T DE602005026831D1 (en) 2004-09-07 2005-09-06 LIQUID DROP EXTRACTION SYSTEM WITH FUNCTION TO REMOVE LIQUID GAS FROM THE LIQUID
EP05808350A EP1791698B1 (en) 2004-09-07 2005-09-06 Fluid drop ejection system capable of removing dissolved gas from fluid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/936,440 US7344230B2 (en) 2004-09-07 2004-09-07 Fluid drop ejection system capable of removing dissolved gas from fluid
US10/936,440 2004-09-07

Publications (2)

Publication Number Publication Date
WO2006029236A1 WO2006029236A1 (en) 2006-03-16
WO2006029236B1 true WO2006029236B1 (en) 2006-05-18

Family

ID=35559373

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/031926 WO2006029236A1 (en) 2004-09-07 2005-09-06 Fluid drop ejection system capable of removing dissolved gas from fluid

Country Status (8)

Country Link
US (1) US7344230B2 (en)
EP (1) EP1791698B1 (en)
JP (1) JP4805933B2 (en)
KR (1) KR101318907B1 (en)
CN (1) CN101052530B (en)
AT (1) ATE500972T1 (en)
DE (1) DE602005026831D1 (en)
WO (1) WO2006029236A1 (en)

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Also Published As

Publication number Publication date
JP4805933B2 (en) 2011-11-02
KR101318907B1 (en) 2013-10-17
US7344230B2 (en) 2008-03-18
CN101052530B (en) 2010-06-16
ATE500972T1 (en) 2011-03-15
JP2008512272A (en) 2008-04-24
CN101052530A (en) 2007-10-10
DE602005026831D1 (en) 2011-04-21
KR20070057840A (en) 2007-06-07
EP1791698A1 (en) 2007-06-06
EP1791698B1 (en) 2011-03-09
WO2006029236A1 (en) 2006-03-16
US20060050112A1 (en) 2006-03-09

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