公开(公告)号：US10724518B2

公开(公告)日：2020-07-28

申请号：US15745488

申请日：2015-05-18

申请人： TBK Co., Ltd.

发明人： Makoto Araki ,  Hirotada Yoshitani

IPC分类号： F04C2/10 ,  F04C15/00 ,  F04C11/00 ,  F04C15/06

摘要： 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.

公开(公告)号：US20180209416A1

公开(公告)日：2018-07-26

申请号：US15745488

申请日：2015-05-18

申请人： TBK Co., Ltd.

发明人： Makoto Araki ,  Hirotada Yoshitani

IPC分类号： F04C2/10 ,  F04C15/06

摘要： 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.