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1. 发明申请

WO1991019902A1 HYDRAULIC ROTARY RADIAL PISTON PUMPS 审中-公开
标题翻译：液压旋转径向活塞泵
公开(公告)号：WO1991019902A1
公开(公告)日：1991-12-26
申请号：PCT/GB1991000974
申请日：1991-06-17
申请人： UNIPAT AG , THOMA, Christian, Helmut , ARNOLD, George, Duncan, McRae , BLAIR, Arthur, Atholl
发明人： UNIPAT AG
IPC分类号： F04B01/10
CPC分类号： F04B1/0456 , F04B1/1074 , F04B1/1077
摘要： Two or more radial piston hydraulic pumps (12, 13) disposed within a simple housing structure, where an input shaft (5) driving through bevel gearing (8, 9, 14) serves to transmit power to the cylinder barrels (12, 13) of the hydraulic pumps (15, 16). At least one cylinder barrel (12, 13) is mounted to rotate on each respective pintle valve (10, 11) each cylinder barrel (12, 13) having a radial cylinder bores (19) each housing a piston (40) operatively connected to a slipper (42) engaging a surrounding annular track ring (43, 44). The pintle valve (10, 11) is provided with a fluid intake duct (30) positioned centrally within the housing, and where the intake duct (30) is unobstructed by any rotating or fixed components of the pump. The intake duct (30) in the end of the pintle is large in size in order to reduce the velocity of the fluid entering the pump and thereby avoid cavitation erosion of the internal pump components. The pintle valves (10, 11) are supported at both ends within the housing so as to allow the pumps to operate under high pressure without problems of hydraulic forces tending to deflect the pintle valve members.
摘要翻译：两个或更多个径向活塞液压泵（12,13）设置在简单的壳体结构内，其中通过锥齿轮传动（8,9,14）驱动的输入轴（5）用于将动力传递到气缸筒（12,13）的液压泵（15,16）。至少一个气缸筒（12,13）安装成在每个相应的枢轴阀（10,11）上旋转，每个气缸筒（12,13）具有径向气缸孔（19），每个气缸筒都容纳活塞（40）与所述环形轨道环（43,44）接合的拖鞋（42）。枢栓阀（10,11）设置有位于壳体中心的流体进入管道（30），并且其中进气管道（30）由泵的任何旋转或固定部件不被阻挡。枢栓端部的入口管道（30）尺寸较大，以便降低进入泵的流体的速度，从而避免了内部泵部件的气蚀。枢栓阀（10,11）在壳体内的两端支撑，以便允许泵在高压下运行，而不会产生倾向于使枢转阀构件偏转的液压力的问题。

2. 发明申请

WO2016187439A1 RADIAL PISTON DEVICE WITH REDUCED PRESSURE DROP 审中-公开
标题翻译：具有降低压力下降的径向活塞装置
公开(公告)号：WO2016187439A1
公开(公告)日：2016-11-24
申请号：PCT/US2016/033299
申请日：2016-05-19
申请人： EATON CORPORATION
发明人： DIVEDI, Anand Kumar , CHANDAR, Aswin , BORKAR, Kishor Ramdas , GOYAL, Dhawal
IPC分类号： F04B1/107 , F04B1/04 , F03C1/36 , F03C1/047
CPC分类号： F04B1/1074 , F03C1/0438 , F03C1/0472 , F03C1/0474 , F03C1/0476 , F04B1/0456 , F04B1/1071
摘要： A radial piston device includes a housing, a pintle attached to the housing and having a pintle shaft, a rotor rotatably mounted on the pintle shaft and having cylinders, pistons displaceably received in the cylinders, and a drive shaft coupled to the rotor and rotatably supported within the housing. The radial piston device includes mechanisms for reducing a pressure loss of hydraulic fluid flowing into the pintle shaft.
摘要翻译：径向活塞装置包括壳体，枢轴连接到壳体并具有枢轴，转子可旋转地安装在枢轴上并具有气缸，可移动地容纳在气缸中的活塞以及联接到转子并可旋转地支撑的驱动轴在房屋内。径向活塞装置包括用于减少流入枢轴的液压流体的压力损失的机构。

3. 发明申请

WO1994001676A1 HYDROSTATIC MACHINE WITH AXIAL THRUST COMPENSATION 审中-公开
标题翻译：与轴向推力补偿的静液压机
公开(公告)号：WO1994001676A1
公开(公告)日：1994-01-20
申请号：PCT/EP1993001656
申请日：1993-06-29
申请人： J.M. VOITH GMBH , FÄHNLE, Gerhard
发明人： J.M. VOITH GMBH
IPC分类号： F04B01/10
CPC分类号： F04B1/0465 , F04B1/1074 , F04B11/005
摘要： A hydrostatic machine (radial piston machine) has a cylinder star rotationally fixed and secured against axial displacement on a shaft and having a plurality of radial bores with displacing elements (pistons and sliding blocks) that slide on the inner face of a hub ring. The bores communicate through control slots with (high/low pressure) delivery channels that open laterally into the cylinder star in order to control the hydraulic mediu flow rate. The cylinder star consists of two mutually spaced rotors whose bores have intercommunicating, in particular opposite control slots. Between both rotors is provided a housing intermediate bottom having control disks (axial disks) opposite to the rotors and provided with channels which correspond to the control slots and with delivery channels which interconnect conjugated channels belonging to both rotors.

4. 发明申请

WO2013131736A1 HYDRAULISCHE RADIALKOLBENMASCHINE 审中-公开
标题翻译：液压径向活塞机
公开(公告)号：WO2013131736A1
公开(公告)日：2013-09-12
申请号：PCT/EP2013/053166
申请日：2013-02-18
申请人： ROBERT BOSCH GMBH
发明人： FISCHER, Thomas , DONAT, Terence , KUNZE, Rudolf , LIPPERT, Lorenz , BERGMANN, Brigitte , JERCHEN, Adrian
IPC分类号： F04B1/04 , F04B1/047 , F04B1/053 , F04B1/107 , F16K27/00
CPC分类号： F04B1/1074 , F04B1/0452 , F04B1/0474 , F04B1/0536
摘要： Offenbart ist eine digital verstellbare hydraulische Radialkolbenmaschine, die ein Zentralteil hat. Einer jeweiligen Zylinder-Kolben-Einheit der Radialkolbenmaschine sind hierbei ein Niederdruckventil und zumindest ein Hochdruckventil zugeordnet. Des Weiteren ist für jede Zylinder-Kolben-Einheit ein Ventilblock vorgesehen, in dem das Nieder-und/oder das Hochdruckventil aufgenommen ist. Die Ventilblöcke sind dabei am Zentralteil montiert.
摘要翻译：公开的是具有中央部分的数字可调液压径向活塞机。径向活塞发动机，一个低压阀和至少一个高压阀的各自的液压缸 - 活塞单元在这种情况下分配的。此外，对于每个缸 - 活塞装置，一个阀块被设置，其中，所述低和/或高压阀被容纳。阀块被安装在中心部分。

5. 发明申请

WO1988010370A1 FOLDED CHANNEL RADIAL PUMP 审中-公开
标题翻译：折叠通道径向泵
公开(公告)号：WO1988010370A1
公开(公告)日：1988-12-29
申请号：PCT/US1988000305
申请日：1988-02-02
申请人： ALLIED-SIGNAL INC.
发明人： ALLIED-SIGNAL INC. , BROWN, Arthur, King, Jr.
IPC分类号： F04B01/10
CPC分类号： F04B1/0456 , F04B1/1074
摘要： The folded channel radial pump assembly (10) comprises a housing (12) having therein a stepped diameter bore (14) receiving a rotor (30). The rotor (30) is attached by way of a flexible coupling (50) with the output shaft (61) of an electric motor (60) attached to the housing (12). The rotor (30) includes one or more intake (26, 36) and exhaust (28, 38) ports, the ports (26, 28, 36, 38) being radially aligned and communicating with the stepped bore (14). The rotor (30) includes one or more pairs of radial openings (70, 72; 170, 172) disposed substantially parallel to one another and each pair connected by way of an axial passageway (74; 174), one radial opening (70, 170) of the pair being aligned axially with the respective set of intake (26, 36) and exhaust (28, 38) ports and the other radial opening (72, 172) having therein a resilient mechanism (77, 177) biasing a piston (76, 176) and follower mechanism (75, 175) outwardly into engagement with an eccentric diameter section (24, 124) of the stepped bore (14). Rotation of the rotor (30) by the motor (60) causes the follower mechanism (75, 175) and piston (76, 176) to reciprocate within the other radial opening (72, 172) and effect the movement of fluid between the intake (26, 36) and exhaust (28, 38) ports.

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