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公开(公告)号：US4456109A
公开(公告)日：1984-06-26
申请号：US301123
申请日：1981-09-11
申请人： Eric Bottomley , Malcolm C. Foster
发明人： Eric Bottomley , Malcolm C. Foster
摘要： A transmission coupling 1 for location between an electric motor 2 and a gearbox 3, comprises a rigid housing 4, an input shaft 5 rotatably supported within the housing 4, an output shaft 6 also rotatably supported within the housing 4 and connectable to the input shaft 5 by operation of a hydraulically actuated, multi-plate clutch 11, the output shaft 6 also carrying some elements of a multi-plate brake 22, other elements being carried by the housing 4, the brake 22 being spring loaded into operative position and hydraulically displaceable into a non-operative position, a constant pressure pump 31 to provide hydraulic pressure fluid to effect operation of the clutch 11 and brake 22, in accordance with the fluid volume demanded by clutch and brake operation, the pump volume output automatically being adjusted in response to such demand, and at least one control valve 35 to control the flow of the hydraulic fluid to the working circuit 39.
摘要翻译： 用于位于电动马达2和齿轮箱3之间的变速器联轴器1包括刚性壳体4，可旋转地支撑在壳体4内的输入轴5，还可旋转地支撑在壳体4内并可连接到输入轴 如图5所示，通过液压致动的多板离合器11的操作，输出轴6还承载多板制动器22的一些元件，其它元件由壳体4承载，制动器22被弹簧加载到操作位置和液压 可移动到非操作位置，恒压泵31，以根据离合器和制动器操作所需的流体体积提供液压流体以实现离合器11和制动器22的操作，泵体积输出自动调节 响应于这种需求，以及至少一个控制阀35，以控制液压流体流向工作回路39。
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公开(公告)号：US4941807A
公开(公告)日：1990-07-17
申请号：US307787
申请日：1989-02-07
申请人： Malcolm C. Foster
发明人： Malcolm C. Foster
CPC分类号： F04B23/04 , F04B49/002
摘要： An hydraulic power generating pack 1 comprises a primary pump 23 of the multi-cylinder, reciprocating ram type with a reciprocable piston 27 located in each cylinder 28 and displaceable by a crank shaft 20 rotatable by a prime mover 2 to provide a primary hydraulic fluid output 32 at a predetermined constant pressure and constant volume, and a power take off 14 to drive a secondary pump 36 of the pressure compensated variable delivery type, the output 40 of which drives a pressure intensifier 42 serving to intensify, to the required secondary pressure and volume, hydraulic fluid supplied to the intensifier 42 at a first pressure and volume.
摘要翻译： 液压发电机组1包括多气缸往复式推杆型的主泵23，其具有位于每个气缸28中的可往复运动的活塞27，并由可由原动机2旋转的曲柄轴20移动，以提供初级液压流体输出 32，其具有预定的恒定压力和恒定体积，以及动力输出14，以驱动压力补偿可变输送型的次级泵36，其输出端40驱动用于增压的增压器42至所需的二次压力， 体积，液压流体以第一压力和体积供应到增压器42。
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公开(公告)号：US4352499A
公开(公告)日：1982-10-05
申请号：US97986
申请日：1979-11-28
申请人： Malcolm C. Foster
发明人： Malcolm C. Foster
CPC分类号： F04B53/164 , F16J15/006 , Y10S277/946
摘要： A reciprocable piston hydraulic pump is provided with a piston periphery sealing means 24 comprising, at the pressure side, a seal 25 of flexible material and adapted to surround the piston periphery, a ring 27 separating the seal 25 from a moulded pressure seal, with a reservoir 28 defined between the seal 25 and the pressure seal, and spring means 29 operable on the seal 25 to urge the latter towards the pressure seal 26.
摘要翻译： 往复式活塞液压泵设置有活塞周边密封装置24，活塞周边密封装置24在压力侧包括柔性材料的密封件25并且适于包围活塞周边，将密封件25与模制的压力密封件分开的环27， 限定在密封件25和压力密封件之间的储存器28以及可在密封件25上操作以便将其推向压力密封件26的弹簧装置29。
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