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    • 1. 发明申请
    • CONTROL APPARATUS FOR A HYDROSTATIC AUXILIARY POWER STEERING ARRANGEMENT
    • 液压辅助动力转向装置的控制装置
    • WO1996017765A1
    • 1996-06-13
    • PCT/DK1995000487
    • 1995-12-05
    • DANFOSS A/SARBJERG, Niels
    • DANFOSS A/S
    • B62O05/083
    • B62D5/093B62D5/083
    • A control apparatus for a hydrostatic auxiliary power steering arrangement, in particular for vehicles, has a metering motor (10) and two coaxial rotary slide valves (16, 17) forming between them a directional valve (14). The directional valve (14) is opened by rotating the inner rotary slide valve (17) by means of a steering element (57), so that fluid under pressure is allowed to pass through the metering motor (10) to a steering motor (8) and the metering motor (10) adjusts the outer rotary slide valve (16) in dependence on the amount of fluid flowing through the inner rotary slide valve (17). To avoid abrupt changes in the rotational speed of the inner rotary slide valve, and therefore to prevent acceleration forces that are too high being exerted on the steered item and possibly on the person controlling the steering, the inner rotary slide valve (17) is connected to a damping arrangement (70) counteracting its rotational movement.
    • 用于静液压辅助动力转向装置的控制装置,特别是用于车辆的控制装置具有计量马达(10)和两个在其间形成方向阀(14)的同轴旋转滑阀(16,17)。 方向阀(14)通过转动元件(57)旋转内旋转滑阀(17)而打开,使得压力下的流体允许通过计量马达(10)到转向马达(8) ),并且计量马达(10)根据流经内旋转滑阀(17)的流体量调节外旋转滑阀(16)。 为了避免内旋转滑阀的旋转速度的突然变化,因此为了防止对转向部件施加过大的加速力以及可能地控制转向的人,内部旋转滑阀(17)被连接 涉及抵消其旋转运动的阻尼装置(70)。
    • 2. 发明申请
    • DEVICE FOR CONTROLLING THE PRESSURE TO BE SUPPLIED TO A HYDROSTATIC STEERING UNIT
    • 用于控制提供给静止转向单元的压力的装置
    • WO1995016599A1
    • 1995-06-22
    • PCT/DK1994000466
    • 1994-12-14
    • DANFOSS A/SARBJERG, Niels
    • DANFOSS A/S
    • B62D05/083
    • B62D5/083B62D5/093
    • In a device for controlling the pressure to be supplied to a hydrostatic steering unit (1) by means of a control signal (s), thereis a rotary slide valve arrangement, one slide valve element of which is rotatable by means of a steering means (5) and the other slide valve element of which is corrected by means of a measuring motor (16). Together with a series throttle (AV), a control throttle (AS) forms a series circuit independent of the intake path of the steering motor (4), which circuit is connected between a pressure source (CF) and the tank (6). The control throttle (AS) has a closing characteristic that extends substantially across the entire working range of the angle of rotation of the slide valve elements. The control signal (s) is tapped between the series throttle (AV) and the control throttle (AS). This provides a pressure control that is independent of load.
    • 在用于通过控制信号控制供给到静液压转向装置(1)的压力的装置中,具有旋转滑阀装置,其一个滑阀元件可借助于转向装置( 5),另一个滑阀元件借助于测量马达(16)进行校正。 与节流阀(AV)一起,控制油门(AS)形成独立于转向电动机(4)的进气路径的串联回路,该回路连接在压力源(CF)和油箱(6)之间。 控制节流阀(AS)具有基本上在滑阀元件的旋转角度的整个工作范围内延伸的闭合特性。 控制信号在序列节气门(AV)和控制节流阀(AS)之间分接。 这提供了独立于负载的压力控制。
    • 3. 发明申请
    • HYDRAULIC STEERING DEVICE AND METHOD FOR STEERING A VEHICLE
    • 液压转向装置及转向车辆的方法
    • WO1997021582A1
    • 1997-06-19
    • PCT/DK1996000519
    • 1996-12-10
    • DANFOSS A/SROM, Holger, KrogsgårdARBJERG, Niels
    • DANFOSS A/S
    • B62D05/097
    • B62D5/093B62D5/32Y10T137/86662
    • A hydraulic steering device (1), in particular for vehicles, is disclosed, having a housing in which two sliders are arranged to move relative to one another and together form at least one adjustable throttle (A1-A6, Ad), a restoring device for restoring the two sliders to their neutral position being provided, one of the two sliders being driveable and the other of the two sliders being in operative connection with a measuring device (7). In such a steering device it is desirable to improve the correlation between steering torque and flow amplification; in particular it is desirable to linearize the relationship better. For that purpose the measuring device (7) is arranged in a flow path (8) closed in itself, and operates as a pump, whilst an open flow path (9) runs past the closed flow path (8) from an inlet connection arrangement (P, T) to an outlet connection arrangement (A, B).
    • 公开了一种液压转向装置(1),特别是用于车辆的液压转向装置(1),其具有壳体,其中两个滑块布置成相对于彼此移动并且一起形成至少一个可调节节流阀(A1-A6,Ad),恢复装置 为了将两个滑动件恢复到其中立位置,两个滑块中的一个滑块可驱动,并且两个滑块中的另一个与测量装置(7)操作连接。 在这种转向装置中,期望改善转向转矩和流量放大之间的相关性; 特别是希望更好地线性化关系。 为此,测量装置(7)被布置在其自身闭合的流动路径(8)中,并且作为泵操作,同时开放流动路径(9)从入口连接装置 (P,T)连接到出口连接装置(A,B)。
    • 4. 发明申请
    • HYDRAULIC CONTROL VALVE
    • 液压控制阀
    • WO1997037137A1
    • 1997-10-09
    • PCT/DK1997000138
    • 1997-03-26
    • DANFOSS A/S
    • DANFOSS A/SCOLLINS, DavidJORGENSEN, HelgeMABIT, XavierCHRISTENSEN, Carsten
    • F15B13/02
    • F15B13/0402F15B13/0416Y10T137/86879Y10T137/87185
    • A hydraulic control valve for controlling flow between a pump, a hydraulic device, and a vessel containing hydraulic fluid. The control valve has an elongated valve slide which is slidably mounted in an elongated valve housing. The valve has three positions, a central neutral position, a float position axially offset in one direction from the neutral position and a constant pressure position axially offset in the opposite direction from the neutral position. In the neutral position, flow of hydraulic fluid to the hydraulic device is inhibited. In the float position, connection is such that a raised device, such as a hydraulically operated bucket, is lowered slowly by gravity until it rests on the ground or another object. In the constant pressure position, the valve connects pump pressure to the load sensing circuit to facilitate, for example, shaking of a bucket of a piece of earth moving equipment.
    • 一种用于控制泵,液压装置和含有液压流体的容器之间的流动的液压控制阀。 控制阀具有细长的阀滑动件,其可滑动地安装在细长的阀壳体中。 阀具有三个位置,中心中立位置,从中立位置沿一个方向轴向偏移的浮子位置和在与中立位置相反的方向轴向偏移的恒定位置。 在中立位置,液压流体流向液压装置被阻止。 在浮动位置,连接使得诸如液压操作的铲斗之类的升高的装置通过重力被缓慢地降低,直到其搁置在地面或另一物体上。 在恒压位置,阀将泵压力连接到负载感测电路,以便于例如震动一块土方机械的铲斗。
    • 7. 发明申请
    • PUMP OR MOTOR
    • 泵或电机
    • WO1997021031A1
    • 1997-06-12
    • PCT/DK1996000511
    • 1996-12-05
    • DANFOSS A/SKLAUSEN, Jorn, HolgerJORGENSEN, TageMADSEN, Ingvard, MosbyFROSLEV, Peter
    • DANFOSS A/S
    • F04C02/10
    • F04C2/082F04C2/102F05C2225/04
    • The invention concerns a corrosion proof pump or motor with an inner, outside toothed tooth wheel rotating around a first centre, whereby the inner tooth wheel engages an outer, inside toothed tooth wheel rotating around a second centre which is displaced in relation to the first centre, whereby both the inner and the outer tooth wheels rotate between side plates, and the outer tooth wheel rotates in an outer bearing which is at the same time a distance piece between the side plates. The pump or motor is especially suited for media with a low viscosity, in that the side plates and/or the outer bearing and/or at least one of the tooth wheels consist of a binding material containing reinforcement and/or wear resistance improving and/or friction reducing materials.
    • 本发明涉及一种防腐泵或电动机,其具有围绕第一中心旋转的内外齿齿轮,由此内齿轮接合围绕相对于第一中心移位的第二中心旋转的外齿内齿齿轮 由此内齿轮和外齿轮两者在侧板之间旋转,并且外齿轮在外侧轴承中旋转,外轴承同时是侧板之间的距离片。 泵或马达特别适合于具有低粘度的介质,因为侧板和/或外部轴承和/或至少一个齿轮由包含增强和/或耐磨性改进的/ 或减摩材料。