| 发明名称 |
Pump Device |
| 摘要 |
An object of the present invention is to provide a pump device that is capable of improving a discharge performance. A first orifice 301 that is provided on a discharge oil passage (a pipe 12) of a pump 2 and a second orifice 302 that, when a flow amount Q becomes greater than a predetermined flow amount Q1, allows pass of brake fluid are provided. |
| 申请公布号 |
US2015159638(A1) |
申请公布日期 |
2015.06.11 |
| 申请号 |
US201314402726 |
申请日期 |
2013.05.20 |
| 申请人 |
HITACHI AUTOMOTIVE SYSTEMS, LTD. |
发明人 |
Saito Masayuki;Nakazawa Chiharu;Misunou Masaki |
| 分类号 |
F04B11/00;B60T17/02 |
主分类号 |
F04B11/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A pump device comprising:
a pulsation reduction unit which reduces pulsation of brake fluid discharged from a pump, and the pulsation reduction unit having
a first orifice which is provided on a discharge oil passage of the brake fluid discharged from the pump, and through which the discharged brake fluid passes; anda second orifice which is provided parallel to the first orifice, and through which, when a flow amount of the discharged brake fluid becomes greater than a predetermined flow amount, the brake fluid passes. |
| 地址 |
Hitachinaka-shi, Ibaraki JP |
