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1. 发明授权

US4211080A Hydraulic power packs 失效
标题翻译：液压动力单元
公开(公告)号：US4211080A
公开(公告)日：1980-07-08
申请号：US963766
申请日：1978-11-27
申请人： Gordon D. White
发明人： Gordon D. White
IPC分类号： F04B49/00 , F15B1/26 , F15B21/04 , F15B15/18
CPC分类号： F15B1/26 , F15B21/042 , Y10S60/912 , Y10S60/916
摘要： A hydraulic power pack having a prime mover, at least one hydraulic pump, a reservoir and associated valving and hydraulic circuitry, in which each of the components is mounted on one of two parts of a frame. The two parts of the frame are hinged together at one side, thereby enabling the frame to be opened to allow access to the components for maintenance.
摘要翻译：具有原动机，至少一个液压泵，储存器和相关联的阀门和液压回路的液压动力单元，其中每个部件安装在框架的两个部件之一上。框架的两个部分在一侧铰接在一起，从而使框架能够被打开以允许进入组件进行维护。

2. 发明授权

US4218886A Hydraulic power packs 失效
标题翻译：液压动力单元
公开(公告)号：US4218886A
公开(公告)日：1980-08-26
申请号：US963788
申请日：1978-11-27
申请人： Gordon D. White
发明人： Gordon D. White
IPC分类号： F04B49/00 , F15B1/26 , F15B21/04 , F15B13/09
CPC分类号： F15B1/26 , F15B21/042 , Y10S60/912 , Y10S60/916
摘要： A hydraulic power pack having a prime mover driving a plurality of hydraulic pumps, a hydraulic circuit including a reservoir connected to an inlet of said pumps, an outlet circuit from said pumps, one or more pressure relief valves in the outlet circuit and a plurality of external connectors on the outlet circuit. The connectors and the relief valves are arranged so that different hydraulic flow and pressure characteristics may be obtained from each connector. Each connector has a flow and a return line, the latter being connected to the reservoir. Valves provided in the hydraulic circuit are responsive to zero flow in the return line of each connector and are adapted to divert the hydraulic flow directly to the reservoir without restriction.
摘要翻译：具有驱动多个液压泵的原动机的液压动力组件，包括连接到所述泵的入口的储存器的液压回路，所述泵的出口回路，出口回路中的一个或多个压力释放阀以及多个出口电路上的外部连接器。连接器和安全阀被布置成使得可以从每个连接器获得不同的液压流量和压力特性。每个连接器具有流动和返回管线，后者连接到储存器。设置在液压回路中的阀响应于每个连接器的返回管线中的零流动，并且适于将液压流直接转移到储存器而不受限制。

3. 发明授权

US4218885A Hydraulic power packs 失效
标题翻译：液压动力单元
公开(公告)号：US4218885A
公开(公告)日：1980-08-26
申请号：US963765
申请日：1978-11-27
申请人： Gordon D. White
发明人： Gordon D. White
IPC分类号： F04B49/00 , F15B1/26 , F15B21/04
CPC分类号： F15B1/26 , F15B21/042 , Y10S60/912 , Y10S60/916
摘要： A hydraulic power pack having a framework, a prime mover driving a hydraulic pump, a hydraulic circuit including a reservoir and flow and return connectors. The power pack also includes an oil cooling system comprising a thermostatically operated valve and an oil cooler in the hydraulic circuit. The valve diverts flow of fluid to the oil cooler when the temperature of the fluid rises above a predetermined limit, before returning the fluid to the reservoir. The oil cooler has a pair of heat exchangers mounted at the respective outlets of a double acting centrifugal fan directly coupled to and driven by the prime mover.
摘要翻译：具有框架的液压动力组件，驱动液压泵的原动机，包括储存器的液压回路以及回流连接器。动力组件还包括一个油冷却系统，其包括在液压回路中的恒温操作阀和油冷却器。在将流体返回到储存器之前，当流体的温度升高到预定极限以上时，阀将流体流向油冷却器。油冷却器具有一对热交换器，其安装在双作用离心风扇的出口处，直接联接到原动机并由原动机驱动。

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