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    • 3. 发明申请
    • HYDRAULIC PLANETARY PISTON MOTOR
    • 液压电动活塞马达
    • WO1996041951A1
    • 1996-12-27
    • PCT/DK1996000242
    • 1996-06-06
    • DANFOSS A/SCHRISTENSEN, RolfSORENSEN, Ole, Falck
    • DANFOSS A/S
    • F03C02/22
    • F04C14/04F03C2/08F04C2/104
    • A hydraulic planetary piston motor (1) is disclosed, having a set of gearwheels (4) comprising an internally toothed annular gear (2) and an externally toothed gearwheel (3) which mesh with one another and form working chambers (5), which chambers are connectable by way of a commutation valve to a suction port and a delivery port (15) respectively in a housing (8), the commutation valve comprising a rotary slide valve (21) which is pressed against a valve plate (19) by a pressure-applying plate (20) that is mounted with an axial extension (39) in a bore (9) in the housing (8). It is desirable for such a motor to be constructed so that it can be operated in two directions of rotation with negligible leakages in the region of the commutation valve. For that purpose, the extension (39) has a pressure face pointing perpendicular to the axial direction. Furthermore, a change-over device (38) is provided, which acts upon this pressure face with the higher of the two pressures at the ports, irrespective of the pressure direction between the two ports (15).
    • 公开了一种液压行星式活塞马达(1),其具有一组包括内齿环形齿轮(2)的齿轮(4)和彼此啮合并形成工作室(5)的外齿轮(3),所述外齿轮 腔室可以通过换向阀连接到分别在壳体(8)中的吸入口和排出口(15),换向阀包括旋转滑阀(21),该旋转滑阀通过旋转滑阀(21)压靠阀板(19) 压力施加板(20),其在壳体(8)中的孔(9)中安装有轴向延伸部(39)。 期望这样的电动机被构造成使得其可以在换向阀的区域中的可忽略的泄漏的两个旋转方向上操作。 为此,延伸部(39)具有垂直于轴向的压力面。 此外,提供了转换装置(38),其在两个端口(15)之间的压力方向上,在端口处以两个压力中较高者作用在该压力面上。
    • 4. 发明申请
    • HYDRAULIC PLANETARY PISTON MOTOR
    • 液压电动活塞马达
    • WO1996041950A1
    • 1996-12-27
    • PCT/DK1996000241
    • 1996-06-06
    • DANFOSS A/SCHRISTENSEN, RolfSORENSEN, Ole, Falck
    • DANFOSS A/S
    • F03C02/22
    • F03C2/08F04C2/104
    • A hydraulic planetary piston motor (1) is disclosed having a set of gearwheels (4) comprising an internally toothed annular gear (2) and an externally toothed gearwheel (3) which mesh with one another and form working chambers (5), which chambers are connectable by way of a commutation valve to a suction port and a delivery port (15) respectively, the commutation valve comprising a rotary slide valve (21) and a valve plate (19), the motor also having a driven shaft (7) which is in rotary connection with the rotating part of the set of gearwheels (4). It is desirable for such a motor to be of simple and robust construction. For that purpose, the driven shaft (7) passes through the rotary slide valve (21).
    • 公开了一种液压行星活塞马达(1),其具有一组齿轮(4),其包括内啮合的环形齿轮(2)和彼此啮合并形成工作室(5)的外齿轮(3) 可以通过换向阀连接到吸入口和输送口(15),换向阀包括旋转滑阀(21)和阀板(19),该马达还具有从动轴(7) 其与所述一组齿轮(4)的旋转部分旋转连接。 这样的电动机是理想的结构简单而坚固。 为此,从动轴(7)通过旋转滑阀(21)。