发明名称 |
Variable displacement pump |
摘要 |
In a variable displacement pump, a relief valve is constituted by a pilot drive type relief valve obtained by adding a pilot valve to a main valve, a fluid pressure in a downstream side of a metering orifice provided in a pump discharge side passage is applied to the pilot valve, and the main valve is capable of opening and closing a downstream side passage of the metering orifice with respect to a drain passage.
|
申请公布号 |
US2001031204(A1) |
申请公布日期 |
2001.10.18 |
申请号 |
US20010835662 |
申请日期 |
2001.04.16 |
申请人 |
OBA KENZO;YOSHIDA KATSUYUKI |
发明人 |
OBA KENZO;YOSHIDA KATSUYUKI |
分类号 |
B62D5/07;F04B49/00;F04C2/344;F04C14/22;F04C14/28;F04C15/06;(IPC1-7):F04B49/00;F01C21/16;F04C29/10 |
主分类号 |
B62D5/07 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|