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公开(公告)号：EP1900607B1
公开(公告)日：2010-02-24
申请号：EP07015893.6
申请日：2007-08-13
发明人： Kooriyama, Masayuki
IPC分类号： B62D5/07
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公开(公告)号：EP1900607A3
公开(公告)日：2009-02-25
申请号：EP07015893.6
申请日：2007-08-13
发明人： Kooriyama, Masayuki
IPC分类号： B62D5/07
摘要： A priority flow rate control valve (4) increases a distribution ratio of pressurized oil to a power steering device (1) of a fork-lift track via a power steering oil passage (9) as a differential pressure between a power steering pressure ( PS ) in the power steering oil passage (9) and a pilot pressure ( LS ) decreases. A load signal port (24) which outputs a pressure indicative of a load exerted on the power steering device (1) and the power steering oil passage (9) are connected via two orifices (26A, 26B), and the pilot pressure ( LS ) pressure is extracted from a point between the two orifices (26A, 26B). By providing a bypass passage (31, 35) which bypasses one of the two orifices (26A, 26B) and a bypass valve (30) which opens and closes the bypass passage (26A, 26B), a response of the priority flow rate control valve (4) can be increased temporarily.
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4.发明公开Oil pressure supply circuit for industrial vehicle 有权Öldruckzufuhrschaltungfürein Industrie-Fahrzeug
公开(公告)号：EP1900607A2
公开(公告)日：2008-03-19
申请号：EP07015893.6
申请日：2007-08-13
发明人： Kooriyama, Masayuki
IPC分类号： B62D5/07
摘要： A priority flow rate control valve (4) increases a distribution ratio of pressurized oil to a power steering device (1) of a fork-lift track via a power steering oil passage (9) as a differential pressure between a power steering pressure ( PS ) in the power steering oil passage (9) and a pilot pressure ( LS ) decreases. A load signal port (24) which outputs a pressure indicative of a load exerted on the power steering device (1) and the power steering oil passage (9) are connected via two orifices (26A, 26B), and the pilot pressure ( LS ) pressure is extracted from a point between the two orifices (26A, 26B). By providing a bypass passage (31, 35) which bypasses one of the two orifices (26A, 26B) and a bypass valve (30) which opens and closes the bypass passage (26A, 26B), a response of the priority flow rate control valve (4) can be increased temporarily.
摘要翻译： 优先流量控制阀（4）通过动力转向油通道（9）增加加压油与叉车轨道的动力转向装置（1）的分配比，作为动力转向压力（PS ）和先导压力（LS）减小。 输出表示施加在动力转向装置（1）和动力转向油路（9）上的负荷的压力的负载信号端口（24）经由两个喷嘴（26A，26B）和先导压力（LS ）压力从两个孔（26A，26B）之间的点提取。 通过设置绕过两个开口（26A，26B）中的一个的旁路通道（31,35）和旁通通路（26A，26B）的旁通阀（30），优先流量控制 阀门（4）可暂时增加。
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5.发明公开
公开(公告)号：EP1724182A1
公开(公告)日：2006-11-22
申请号：EP06008565.1
申请日：2006-04-25
发明人： Kooriyama, Masayuki
摘要： A priority flow rate control valve (4) preferentially distributes oil discharged by an oil pump (3) to an oil pressure power steering device (1), and distributes surplus oil to a cargo handling control valve (10, 13, 14) of an oil pressure cargo handling device (2). The oil pump (3) increases the discharge flow rate according to the operation of the cargo handling device (2), and decreases the discharge flow rate according to operation stop of the cargo handling device (2). By providing an orifice (30) which drains the oil supplied to the cargo handling control valve (10, 13, 14) when the cargo handling device (2) is not operating, to a tank (8), the pressure of the oil supplied to the oil pressure power steering device (1) is prevented from temporarily decreasing when the cargo handling device (2) stops operating, thereby preventing the steering wheel (7) from suffering a so-called kickback.
摘要翻译： 优先流量控制阀（4）优先将由油泵（3）排出的油分配到油压动力转向装置（1），并将多余的油分配到货物处理控制阀（10,13,14） 油压货物处理装置（2）。 油泵（3）根据货物处理装置（2）的操作增加排出流量，并且根据货物处理装置（2）的操作停止来减小排出流量。 通过设置一个孔口（30），该孔口（30）在货物处理装置（2）不运行时将供应到货物处理控制阀（10,13,14）的油排出到罐（8）中，供应的油的压力 当货物处理装置（2）停止操作时，防止油压动力转向装置（1）暂时降低，从而防止方向盘（7）遭受所谓的反冲。
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