The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 27, 2021
Filed:
Aug. 26, 2019
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Tetsuya Sato, Yokohama Kanagawa, JP;
TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A liquid circulation device includes a first pipe, a first pump, a first portion, a second pipe, a second pump, a second portion, and a heater. A secondary side of the first pipe is connected to a liquid discharge head. The first pump is provided midway through the first l pipe. The first portion is provided midway through the first pipe on a secondary side of the first pump, and includes a flow channel cross-sectional area larger than the area of the first pipe. A primary side of the second pipe is connected to the head. The second pump is provided midway through the second pipe. The second portion is provided midway through the second pipe on a primary side of the second pump, and includes a flow channel cross-sectional area larger than the area of the second pipe. The heater is provided on a primary side of the head.