公开(公告)号：US20220274420A1

公开(公告)日：2022-09-01

申请号：US17638781

申请日：2020-08-28

Applicant: KYOCERA CORPORATION

Inventor： Daisuke HOZUMI ,  Hiroyuki SUGIMOTO

IPC: B41J2/175 ,  B41J2/18

Abstract: A circulation device includes first and second valves, first and second pressure measuring portions, a detection unit, and a controller. The first valve controls the flow rate of a liquid from a storage to a droplet discharge unit. The second valve controls the flow rate of the liquid from the droplet discharge unit to the storage. The first pressure measuring portion measures the fluid pressure of the liquid flowing between the first valve and the droplet discharge unit as a supply pressure. The second pressure measuring portion measures the fluid pressure of the liquid flowing between the second valve and the droplet discharge unit as a recovery pressure. The detection unit detects information related to the droplet discharge unit. The controller controls the first and second valves in accordance with the information detected by the detection unit and adjusts the supply pressure and the recovery pressure.

公开(公告)号：US20250074063A1

公开(公告)日：2025-03-06

申请号：US18580610

申请日：2022-07-15

Applicant: KYOCERA CORPORATION

Inventor： Takuya TSUTSUMI ,  Ryota IMANISHI ,  Tatsumi UWAI ,  Masaya KIMACHI ,  Taku SATO ,  Hiroyuki SUGIMOTO

IPC: B41J2/165

Abstract: A liquid ejection device includes a liquid ejection head, a standby portion, a hold portion, and an operation portion. The liquid ejection head includes a nozzle surface. The standby portion supports a wiping cartridge. The hold portion holds the wiping cartridge. The operation portion moves the hold portion relatively to the standby portion and the liquid ejection head from a position at which the hold portion holds the wiping cartridge that is not held by the hold portion and that is supported by the standby portion to a position at which the wiping cartridge held by the hold portion comes into contact with the nozzle surface.

公开(公告)号：US20220274419A1

公开(公告)日：2022-09-01

申请号：US17638776

申请日：2020-08-28

Applicant: KYOCERA CORPORATION

Inventor： Daisuke HOZUMI ,  Hiroyuki SUGIMOTO

IPC: B41J2/175 ,  B41J2/18

Abstract: A circulation device according to an aspect includes a storage unit for storing liquid and a liquid droplet discharge unit for discharging liquid, and controls circulation of liquid flowing through a channel communicating the storage unit and the liquid droplet discharge unit with each other. Such a circulation device includes a robotic portion, a first pressure portion, a second pressure portion, a first valve portion, and a second valve portion. The robotic portion is mounted with the liquid droplet discharge unit. The first pressure portion feeds the liquid stored in the storage unit to the liquid droplet discharge unit through a first channel communicating the storage unit and the liquid droplet discharge unit with each other. The second pressure portion feeds the liquid recovered in the liquid droplet discharge unit to the storage unit through a second channel communicating the storage unit and the liquid droplet discharge unit with each other. The first valve portion is interposed between the first pressure portion and the liquid droplet discharge unit. The second valve portion is interposed between the second pressure portion and the liquid droplet discharge unit.