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:
Jul. 28, 2020
Filed:
May. 18, 2015
Tbk Co., Ltd., Machida-shi, Tokyo, JP;
Makoto Araki, Isehara, JP;
Hirotada Yoshitani, Yamato, JP;
TBK CO., LTD., Machida-shi, Tokyo, JP;
Abstract
A gear pump according to the present invention is configured such that a first pump chamber comprises a first intake space into which a fluid is taken in and a first discharge space from which the fluid is discharged, in accordance with rotation of an internal gear and external gears, a second pump chamber comprises a second intake space into which the fluid is taken in and a second discharge space from which the fluid is discharged, in accordance with rotation of the internal gear and the external gears, the first intake space and the second intake space are provided to be symmetrical about a rotational center of the internal gear, and the first discharge space and the second discharge space are provided to be symmetrical about the rotational center of the internal gear.