JPS5587866A - Feed pressure equalizer of ink jet plotter - Google Patents
Feed pressure equalizer of ink jet plotterInfo
- Publication number
- JPS5587866A JPS5587866A JP16300778A JP16300778A JPS5587866A JP S5587866 A JPS5587866 A JP S5587866A JP 16300778 A JP16300778 A JP 16300778A JP 16300778 A JP16300778 A JP 16300778A JP S5587866 A JPS5587866 A JP S5587866A
- Authority
- JP
- Japan
- Prior art keywords
- outlet
- pulsation
- ink
- inlet
- pressure
- 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.)
- Pending
Links
Landscapes
- Ink Jet (AREA)
Abstract
PURPOSE: To mitigate pulsation from an inlet with air and equalize the fluctuation in discharge pressure, by setting a barrier between the inlet and outlet of liquid with a height lower than the liquid level kept in an air chamber for partially shutting off the liquid flow.
CONSTITUTION: As a pump 2 is driven, ink 14 is pressure fed in a head 5 through an accumulator 3 and three-way valve 4 to form ink drops 16 for jet plotting. The discharge pressure of the pump 2 necessarily includes pulsation constituent at this moment. As the pressure enters an air chamber 13 from an inlet 9, the pulsation is mitigated with air in the chamber 13 and flows out from an outlet 10, without being transmitted directly to the outlet 10 because of a barrier 11 shown in the figure. Accordingly the ink 14 flowing through the outlet 10 does not include pulsation, and this equalized pressure transmitted to the head 5 can stabilize injection of the ink and plotting of images.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16300778A JPS5587866A (en) | 1978-12-25 | 1978-12-25 | Feed pressure equalizer of ink jet plotter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16300778A JPS5587866A (en) | 1978-12-25 | 1978-12-25 | Feed pressure equalizer of ink jet plotter |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5587866A true JPS5587866A (en) | 1980-07-03 |
Family
ID=15765416
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16300778A Pending JPS5587866A (en) | 1978-12-25 | 1978-12-25 | Feed pressure equalizer of ink jet plotter |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5587866A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002172797A (en) * | 2000-12-04 | 2002-06-18 | Brother Ind Ltd | Ink jet printer |
-
1978
- 1978-12-25 JP JP16300778A patent/JPS5587866A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002172797A (en) * | 2000-12-04 | 2002-06-18 | Brother Ind Ltd | Ink jet printer |
JP4734710B2 (en) * | 2000-12-04 | 2011-07-27 | ブラザー工業株式会社 | Inkjet printer |
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