Title:
LIQUID EJECTION HEAD AND LIQUID EJECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/116833
Kind Code:
A1
Abstract:
The present invention efficiently circulates a liquid in the vicinity of a nozzle. This liquid ejection head is provided with: a flow path formation part including a nozzle plate to which a first nozzle and a second nozzle are provided, a first pressure chamber and a second pressure chamber to which a liquid is supplied, a first connection path which connects the first nozzle and the first pressure chamber to each other, a second connection path which connects the second nozzle and the second pressure chamber to each other, and a circulation liquid chamber which is located between the first connection path and the second connection path; and a pressure generation part which causes a pressure change in each of the first pressure chamber and the second pressure chamber, wherein the nozzle plate includes a first circulation path which connects the first connection path and the circulation liquid chamber to each other, and a second circulation path which connects the second connection path and the circulation liquid chamber to each other.
Inventors:
TSUKAHARA KATSUTOMO (JP)
FUKUZAWA YUMA (JP)
FUKUZAWA YUMA (JP)
Application Number:
PCT/JP2017/043810
Publication Date:
June 28, 2018
Filing Date:
December 06, 2017
Export Citation:
Assignee:
SEIKO EPSON CORP (JP)
International Classes:
B41J2/14; B41J2/18
Foreign References:
| JP2016124146A | 2016-07-11 | |||
| JP2011051155A | 2011-03-17 | |||
| JP2015134507A | 2015-07-27 | |||
| JP2016147442A | 2016-08-18 | |||
| US20130257994A1 | 2013-10-03 |
Attorney, Agent or Firm:
WATANABE Kazuaki et al. (JP)
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