Dual discharge hydraulic pump and system therefor
    41.
    发明公开
    Dual discharge hydraulic pump and system therefor 有权
    Hydraulische Pumpe mit doppeltem Auslass und System mit derselben

    公开(公告)号:EP1394416A2

    公开(公告)日:2004-03-03

    申请号:EP03077386.5

    申请日:2003-07-30

    IPC分类号: F04C2/344

    摘要: A hydraulic pump (20) comprises a housing (22), a primary discharge outlet (86), an auxiliary discharge outlet (88), a flow control valve (120), a first fluid passageway within the housing (22) passing fluid from a first discharge port (80) to the primary discharge outlet (86), a second fluid passageway within the housing (22) passing fluid from a second discharge port (82) to a common port (125) of the flow control valve (120), a third fluid passageway within the housing (22) passing fluid from a first switched port (123) of the flow control valve (120) to the auxiliary discharge outlet (88), and a fourth fluid passageway within the housing (22) connecting a second switched port (124) of the flow control valve (120) to the primary discharge outlet (86). The primary discharge outlet (86) and the auxiliary discharge outlet (88) are each adapted for connection with external lines of a hydraulic system.

    摘要翻译: 液压泵(20)包括壳体(22),主排出口(86),辅助排放出口(88),流量控制阀(120),壳体(22)内的第一流体通道, 第一排出口(80)到主排出口(86),在壳体(22)内的第二流体通道将流体从第二排出口(82)传递到流量控制阀(120)的公共端口(125) ),所述壳体(22)内的第三流体通道将流体从所述流量控制阀(120)的第一切换端口(123)传递到所述辅助排出口(88),以及在所述壳体(22)内的第四流体通道, 将流量控制阀(120)的第二切换端口(124)连接到主排出口(86)。 主排出口(86)和辅助排出口(88)各自适于与液压系统的外部管线连接。

    UMLAUFVERDRÄNGERMASCHINE MIT WENIGSTENS ZWEI AUSSENVERZAHNTEN FÖRDERZAHNRÄDERN UND GEHÄUSE FÜR EINE SOLCHE MASCHINE
    42.
    发明授权
    UMLAUFVERDRÄNGERMASCHINE MIT WENIGSTENS ZWEI AUSSENVERZAHNTEN FÖRDERZAHNRÄDERN UND GEHÄUSE FÜR EINE SOLCHE MASCHINE 有权
    至少有两个旋转位移外齿装卸设备和住房这样的机器

    公开(公告)号:EP1212533B1

    公开(公告)日:2003-12-10

    申请号:EP00972568.0

    申请日:2000-08-28

    IPC分类号: F04C2/18 F04C15/02

    CPC分类号: F04C2/14 F04C2/086 F04C15/06

    摘要: The aim of the invention is to provide a rotary displacement machine, whereby turbulence in the supply area, i.e. the area where the medium to be displaced passes from the supply channels into the displacement chambers, is prevented to a large extend and the filling of the displacement chambers is improved. Disclosed is a rotary displacement machine with at least two displacement gearwheels with external teeth for displacing a fluid and with at least one supply channel with at least one supply mouth in the area of the displacement gearwheels for supplying the fluid to the displacement gearwheels. According to the invention, at least two supply mouths are provided and each supply mouth is embodied in such a way that fluid that exits the supply mouth when the rotary displacement machine is operated in a correct manner can either only reach the teeth of only one displacement gearwheel or the teeth of such displacement gearwheels which rotate in the same direction.

    INNENLÄUFERZAHNRADÖLPUMPE MIT SAUG- UND DRUCKNIERENERWEITERUNGEN
    43.
    发明授权
    INNENLÄUFERZAHNRADÖLPUMPE MIT SAUG- UND DRUCKNIERENERWEITERUNGEN 失效
    内转子齿轮油泵吸入和排出肾EXTENSIONS

    公开(公告)号:EP0891489B1

    公开(公告)日:2003-03-12

    申请号:EP97953632.3

    申请日:1997-12-16

    IPC分类号: F04C2/10 F04C15/02

    CPC分类号: F04C15/06 F04C2/101 F04C2/102

    摘要: The invention relates to a gear pump with internal rotor designed to deliver fluids, preferably oil for gear systems, pumps or internal combustion engines. On the side opposite the reniform suction and pressure elements used to feed in and draw off the fluid to be delivered, the pump has extensions of said elements, with which the inlet and outlet channels for the fluid communicate only indirectly via the gaps between the teeth of the internal-rotor gear and via the reniform suction and pressure elements. The extension of the reniform pressure element is shorter in relation to the extension of the reniform suction element. According to an additional version of the invention, the gear pump has only an extension of the reniform pressure element but no extension of the reniform suction element. The design of the invention makes it possible to lower the cavitation, pressure pulsation and adsorbed power of the pump.

    Roller vane pump
    47.
    发明公开
    Roller vane pump 失效
    Rollenzellenpumpe

    公开(公告)号:EP1013933A2

    公开(公告)日:2000-06-28

    申请号:EP00201179.9

    申请日:1997-12-08

    IPC分类号: F04C2/344 F04C15/02

    摘要: The invention relates to a roller vane pump for operating an automatic transmission for motor vehicles. The pump is provided with a pump housing (12), a rotor (4), a cam ring (2) and roller elements (7), which define a number of pump chambers (13). Fluid is communicated between a hydraulic channel (24) and a pump chamber (13) through suction ports (11 and 16) and discharge ports (17 and 18). According to the invention a front part of a circumference (32) of a slot (6) seen in a direction of rotation of the rotor (4) is at least partly curved such that the curvature of a curved part (32a) substantially matches the curvature of a roller element (7) accommodated in said slot (6).

    摘要翻译: 滚子叶片泵具有包围具有凸轮环(2)的转子(4)和限定多个泵室(13)的滚轮元件(7)的壳体。 变速箱油通过吸油口和排气口在液压通道和泵室(13)之间连通。 狭槽(6)的圆周(32)的前部部分地弯曲,使得曲率(32a)与容纳在槽中的辊元件(7)的曲率相匹配。 还包括用于机动车辆的自动变速器的独立权利要求。

    Roller vane pump
    48.
    发明公开
    Roller vane pump 失效
    滚筒叶片泵

    公开(公告)号:EP1013932A2

    公开(公告)日:2000-06-28

    申请号:EP00201178.1

    申请日:1997-12-08

    IPC分类号: F04C2/344 F04C15/02

    摘要: The invention relates to a roller vane pump for operating an automatic transmission for motor vehicles. The pump is provided with a pump housing (12), a rotor (4), a cam ring (2) and roller elements (7), which define a number of pump chambers (13). Fluid is communicated between a hydraulic channel (24) and a pump chamber (13) through suction ports (11 and 16) and discharge ports (17 and 18). According to the invention a circumference segment (30) of the pump rotor (4) in between two subsequent slots (6) is an essentially straight line as seen in axial direction.

    摘要翻译: 本发明涉及一种用于操作机动车辆自动变速器的滚子叶片泵。 泵设置有限定多个泵室(13)的泵壳体(12),转子(4),凸轮环(2)和滚动元件(7)。 流体通过吸入口(11和16)和排出口(17和18)在液压通道(24)和泵室(13)之间连通。 根据本发明,泵转子(4)在两个相继的槽(6)之间的圆周段(30)在轴向方向上基本上是直线。