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    • 2. 发明授权
    • System for controlling the traction power of a utility vehicle
    • 用于控制多用途车的牵引力的系统
    • US06298939B1
    • 2001-10-09
    • US09261794
    • 1999-03-03
    • Richard HeindlGunther GrogerTheodor BoslRobert Honzek
    • Richard HeindlGunther GrogerTheodor BoslRobert Honzek
    • B60K1700
    • F16H61/4043F16H61/4017
    • A system operated by what is referred to as a clutch pedal, which adjusts the traction power of an infinitely variable, hydrostatic-mechanical transmission. The transmission contains at least one pump (1) and at least one motor (2), arranged in a hydraulic circuit. In order to reduce the traction power, pressure is leaked between the two sides of the motor (2) by reducing the pressure at the control parts (14a) of two proportional valves (14, 15) in respective lines bridging the motor (2). The control parts (14a) of the proportional valves (14, 15) are connected via a shift valve (19) to an intermediate valve (24), the closing force of which is reduced as the clutch pedal (26) is opened by means of a closing spring (36).
    • 由称为离合器踏板操作的系统,其调节无级变速的静力 - 机械变速器的牵引功率。 传动装置包括布置在液压回路中的至少一个泵(1)和至少一个马达(2)。 为了减小牵引力,通过减小桥接马达(2)的各个线路中的两个比例阀(14,15)的控制部分(14a)处的压力,在马达(2)的两侧之间泄漏压力, 。 比例阀(14,15)的控制部分(14a)经由换档阀(19)连接到中间阀(24),当中的离合器踏板(26)以装置打开 的闭合弹簧(36)。
    • 3. 发明申请
    • Axial piston pump or motor of the swashplate or bent axis type
    • 旋转活塞泵或斜盘式电机或弯轴型
    • US20070289441A1
    • 2007-12-20
    • US11755077
    • 2007-05-30
    • Konrad GuggemosGunther GrogerRichard HeindlHerbert Leonhart
    • Konrad GuggemosGunther GrogerRichard HeindlHerbert Leonhart
    • F04B1/20
    • F04B1/2042F03C1/0655F04B1/2021
    • An axial piston machine, in particular an axial piston pump, of the swashplate or bent axis type, is described, wherein a fixed control plate (12), which comprises at least one control passage (12a) consisting of a plurality of control passage sections (12b, 12c) separated from each other by bridges (12d), is arranged between a cylinder drum, rotatable in both directions of rotation, and a fixed housing. The object of the invention is to design the control plate of an axial piston machine in such a way that damage by cavitation to the structural parts is prevented over the entire extent of the control passages for the supply and removal of the operating fluid. For this purpose the at least one control passage (12a) in the region at least of one bridge (12d) is provided with a pressure balance opening (13) connecting the surfaces of the control plate (12) with one another.
    • 描述了一种具有旋转斜盘或弯曲轴型的轴向活塞机,特别是轴向柱塞泵,其中固定控制板(12)包括至少一个控制通道(12a),该控制通道由多个控制通道 通过桥(12d)彼此分离的部分(12b,12c)布置在可沿两个旋转方向旋转的气缸滚筒和固定壳体之间。 本发明的目的是设计一种轴向活塞机械的控制板,使得在控制通道的整个程度上防止对结构部件的空化的损坏以供给和移除工作流体。 为此目的,在至少一个桥(12d)的区域中的至少一个控制通道(12a)设置有将控制板(12)的表面彼此连接的压力平衡开口(13)。