公开(公告)号：US20250091358A1

公开(公告)日：2025-03-20

申请号：US18885232

申请日：2024-09-13

Applicant: SEIKO EPSON CORPORATION

Inventor： Masaru KOBASHI ,  Nanami HAGA ,  Yuki HIRABAYASHI ,  Tomohiro KAWASAKI

IPC: B41J2/175 ,  B41J2/18

Abstract: It includes a supply chamber; a pressure chamber that has a first flexible section; a first communication path and a second communication path, that bring the supply chamber and the pressure chamber into communication; an opening and closing section having a first shaft section and a first valve section configured to open and close the first communication path; a first seal section that forms a seal between an outer periphery of the first shaft section and an inner periphery of the second communication path; and a pressurizing section configured to pressurize the first flexible section, wherein the first seal section includes a first arm section and a second arm section, the first arm section is closer to an outer periphery of the first shaft section the further along the first arm section in the first direction D1, and the second arm section is closer to an inner periphery of the second communication path the further along the second arm section in the first direction D1.

公开(公告)号：US20240157704A1

公开(公告)日：2024-05-16

申请号：US18505763

申请日：2023-11-09

Applicant: SEIKO EPSON CORPORATION

Inventor： Nanami HAGA ,  Yuki HIRABAYASHI ,  Seiji TOJO

IPC: B41J2/175 ,  B41J2/165

CPC classification number: B41J2/17509 ,  B41J2/1652 ,  B41J2/17596 ,  B41J2002/16582

Abstract: A liquid ejecting apparatus includes: a head that ejects a liquid from a nozzle; a mounting portion on which a liquid container in which the liquid is sealed is detachably mounted; a sub-tank in which the liquid supplied from the liquid container is stored; a connection channel connected to the sub-tank and the head; an opening and closing valve positioned in the connection channel; and a control portion, in which when the liquid container is replaced, the control portion closes the opening and closing valve.

公开(公告)号：US20250091356A1

公开(公告)日：2025-03-20

申请号：US18884999

申请日：2024-09-13

Applicant: SEIKO EPSON CORPORATION

Inventor： Tomohiro KAWASAKI ,  Nanami HAGA ,  Yuki HIRABAYASHI ,  Masaru KOBASHI

IPC: B41J2/175

Abstract: A liquid storage section includes a storage body that stores ejection liquid and moisturizing liquid and a moisture permeable membrane attached to the storage body, wherein the moisture permeable membrane partitions an inside of the storage body into an ejection liquid chamber and a moisturizing liquid chamber, the ejection liquid chamber is a space in which ejection liquid is stored, the moisturizing liquid chamber is a space in which moisturizing liquid is stored, and the storage body stores ejection liquid and moisturizing liquid such that a liquid surface of ejection liquid stored in the ejection liquid chamber and a liquid surface of moisturizing liquid stored in the moisturizing liquid chamber are positioned below an upper end of the moisture permeable membrane.

公开(公告)号：US20210094312A1

公开(公告)日：2021-04-01

申请号：US17034331

申请日：2020-09-28

Applicant: SEIKO EPSON CORPORATION

Inventor： Kenji TSUKADA ,  Yuki HIRABAYASHI

IPC: B41J2/175 ,  B41J2/19

Abstract: A liquid ejecting apparatus includes a liquid ejection head that ejects a liquid, a liquid supply flow path including a liquid storage unit that stores the liquid, a supply pump sending the liquid from the liquid storage unit to the liquid ejection head, a coupling flow path coupling a first supply coupling portion and a second supply coupling portion in the liquid supply flow path, a branch flow path coupling a third supply coupling portion provided in the coupling flow path and the liquid storage unit, an opening/closing valve provided in the branch flow path, where the opening/closing valve is configured to open/close the branch flow path, and a controller, wherein the controller fills the coupling flow path and the branch flow path with the liquid with a combination of a drive of the supply pump and an opening/closing operation of the opening/closing valve.

公开(公告)号：US20170253045A1

公开(公告)日：2017-09-07

申请号：US15447350

申请日：2017-03-02

Applicant: SEIKO EPSON CORPORATION

Inventor： Yuki HIRABAYASHI ,  Kazuhiko SATO ,  Masaru KOBASHI

IPC: B41J2/165

CPC classification number: B41J2/16535 ,  B41J2/16538 ,  B41J2/16541 ,  B41J2/16544

Abstract: A liquid ejecting apparatus includes a liquid ejecting head that has a nozzle to eject a liquid and a plurality of surfaces including a nozzle surface in which the nozzle opens, a wiping unit including a first wiping unit for wiping the nozzle surface and a second wiping unit for wiping a surface different from the nozzle surface of the liquid ejecting head, a moving mechanism to relatively move the wiping unit and the liquid ejecting head, and a cleaning member including a cleaning section for cleaning the first wiping unit and the second wiping unit.