US 12,257,850 B2
Circulation device
Daisuke Hozumi, Kirishima (JP); and Hiroyuki Sugimoto, Kirishima (JP)
Assigned to KYOCERA CORPORATION, Kyoto (JP)
Appl. No. 17/638,776
Filed by KYOCERA CORPORATION, Kyoto (JP)
PCT Filed Aug. 28, 2020, PCT No. PCT/JP2020/032777
§ 371(c)(1), (2) Date Feb. 25, 2022,
PCT Pub. No. WO2021/040034, PCT Pub. Date Mar. 4, 2021.
Claims priority of application No. 2019-159116 (JP), filed on Aug. 30, 2019.
Prior Publication US 2022/0274419 A1, Sep. 1, 2022
Int. Cl. B41J 2/175 (2006.01); B41J 2/18 (2006.01)
CPC B41J 2/17596 (2013.01) [B41J 2/18 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A circulation device for controlling liquid circulation, the circulation device comprising:
a storage unit configured to store a liquid;
a liquid droplet discharge unit configured to discharge the liquid;
a robotic portion mounted with the liquid droplet discharge unit;
a first pressure portion configured to feed the liquid stored in the storage unit to the liquid droplet discharge unit through a first channel;
a second pressure portion configured to feed the liquid recovered in the liquid droplet discharge unit to the storage unit through a second channel;
a first valve portion interposed between the first pressure portion and the liquid droplet discharge unit; and
a second valve portion interposed between the second pressure portion and the liquid droplet discharge unit.