
基本信息:
- 专利标题: Hydraulische Steuervorrichtung
- 专利标题(英):Hydraulic control device
- 专利标题(中):液压控制装置。
- 申请号:EP88109858.6 申请日:1988-06-21
- 公开(公告)号:EP0297401A2 公开(公告)日:1989-01-04
- 发明人: Brunner, Rudolf , Feichtenbeiner, Heiner
- 申请人: HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG
- 申请人地址: Postfach 80 08 04 D-81608 München DE
- 专利权人: HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG
- 当前专利权人: HEILMEIER & WEINLEIN Fabrik für Oel-Hydraulik GmbH & Co. KG
- 当前专利权人地址: Postfach 80 08 04 D-81608 München DE
- 代理机构: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät
- 优先权: DE3722083 19870703
- 主分类号: F15B11/05
- IPC分类号: F15B11/05
In prior art hydraulic control devices with at least one a load (35) upstream directional control valve (2m, 2 '), with a pressure compensator connected to the pump line (7) and outgoing to a from the pump conduit (4) control line circuit to a load-pressure tap of the is way valve connected and first for pressure increase and second throttle bodies (14, 15), the pressure increase is over the entire operating range of the directional control valve (2, 2 ') consistently, although the maximum value of the pressure increase would be necessary only at or shortly before reaching the maximum capacity , This energy is wasted. By one for the input pressure of the second throttle point (15) provided for pressure stage (D), by means of the control member (17, 17 ') of the paths valve (2, 2') is stroke-dependent switchable, it is ensured that the maximum pressure difference between the pump line pressure P (4) and the load pressure P (3) is controlled shortly before the need for a high flow rate. Previously, the pressure difference is kept small. It results from a more efficient utilization of energy.
公开/授权文献:
- EP0297401B1 Hydraulische Steuervorrichtung 公开/授权日:1994-02-23
IPC结构图谱:
F | 机械工程;照明;加热;武器;爆破 |
--F15 | 流体压力执行机构;一般液压技术和气动技术 |
----F15B | 一般流体工作系统;流体压力执行机构,如伺服马达;不包含在其他类目中的流体压力系统的零部件 |
------F15B11/00 | 无随动作用的伺服马达系统 |
--------F15B11/02 | .系统主要具有专门用于控制输出部件的速度、驱动力或驱动速度的特征 |
----------F15B11/028 | ..用于驱动力的控制 |
------------F15B11/05 | ...专门适用于保持恒定速度的,例如压力补偿式的、负载响应式的 |