发明名称 |
REGELBARE VERDRÄNGERPUMPE. |
摘要 |
<p>A variable discharge pump (3) comprises a piston (4) reciprocable within a cylinder (2), a displaceable inlet valve (5) adapted to control admission of lower pressure hydraulic fluid (9) to the swept volume areal (10) of the piston (4) and cylinder (2), a displaceable outlet valve (7) adapted to control delivery of higher pressure fluid (9) from the swept volume area (10), and means (13, 13A, 26-28, 29-44) to control the position of the inlet valve (5) so as to control the volume of fluid (9) delivered by the pump (3) in accordance with demand.</p> |
申请公布号 |
DE69004800(D1) |
申请公布日期 |
1994.01.05 |
申请号 |
DE1990604800 |
申请日期 |
1990.06.11 |
申请人 |
ER FLUID DEVELOPMENTS LTD., BROUGH BRADWELL, SHEFFIELD, GB |
发明人 |
STANGROOM, JAMES, EDWARD, BROUGH BRADWELL SHEFFIELD S30 2HG, GB |
分类号 |
F04B13/02;F04B13/00;F04B49/00;F04B49/24;(IPC1-7):F04B49/00 |
主分类号 |
F04B13/02 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|