Title:
インクジェットヘッド用のインク循環装置
Document Type and Number:
Japanese Patent JP6826841
Kind Code:
B2
Abstract:
An ink circulation device for an ink jet head includes a first ink storage unit that stores ink to be supplied to an ink jet head, a second ink storage unit that stores ink to be returned from the ink jet head, a pump that operates according to an electric signal to transport the ink from the second ink storage unit to the first ink storage unit, a filter between the pump and the first ink storage unit, a first pressure sensor configured to detect an internal pressure of the first ink storage unit, a second pressure sensor configured to detect an internal pressure between the pump and the filter, and a drive circuit configured to generate the electric signal according to a pressure difference between the internal pressure detected by the second pressure sensor and the internal pressure detected by the first pressure sensor.
Inventors:
Kaneko Yoshiaki
Chihiro Hara
Kazuhiko Otsu
Daiki Goto
Chihiro Hara
Kazuhiko Otsu
Daiki Goto
Application Number:
JP2016166091A
Publication Date:
February 10, 2021
Filing Date:
August 26, 2016
Export Citation:
Assignee:
TOSHIBA TEC CORPORATION
International Classes:
B41J2/175; B41J2/01; B41J2/18; B41J2/19; F04B43/04
Domestic Patent References:
| JP2016150571A | ||||
| JP2016049738A | ||||
| JP55073564A | ||||
| JP2014195932A | ||||
| JP2011212896A |
Foreign References:
| CN201712257U | ||||
| US20110279495 |
Attorney, Agent or Firm:
Masanori Inoue