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    • 83. 发明公开
    • 유압 구동 차량
    • 液压驱动车
    • KR1020050096102A
    • 2005-10-05
    • KR1020057011984
    • 2002-12-27
    • 히다찌 겐끼 가부시키가이샤
    • 다쯔노유끼히로이찌무라가즈히로사따께히데또시
    • F16H61/42
    • A hydraulically driven vehicle comprising a hydraulic pump (11), a variable displacement traveling hydraulic motor (5) being driven with pressure oil from the hydraulic pump (11), motor displacement control means (17, 18) for altering the displacement of the hydraulic motor (5) depending on the driving pressure thereof, an operating member (22) for commanding forward travel and reverse travel of the vehicle, means (12) for controlling the flow of pressure oil from the hydraulic pump (11) to the hydraulic motor (5), means (41A, 41B) for detecting operation of the operating member (22) to the side reverse to the advancing direction of the vehicle, and means (25A, 25B) operating to prevent the generation of cavitation of the hydraulic motor (5) when reverse operation of the operating member (22) is detected by the reverse operation detecting means (41A, 41B).
    • 一种液压驱动车辆,包括液压泵(11),用液压泵(11)的压力油驱动的可变排量行驶液压马达(5),用于改变液压泵的位移的马达位移控制装置(17,18) 马达(5)根据其驱动压力,用于控制车辆的前进行驶和后退行驶的操作构件(22),用于控制从液压泵(11)到液压马达(11)的压力油流动的装置 (5),用于检测操作构件(22)向与车辆前进方向相反的一侧的操作的装置(41A,41B),以及用于防止产生液压马达气穴的装置(25A,25B) (5)当由反向操作检测装置(41A,41B)检测到操作构件(22)的反向操作时。
    • 84. 发明公开
    • 동일한 펌프로부터 토출된 유량을 사용하는 정유압트랜스미션
    • 使用从相同泵排出的流量的静电传输,具有电源离合器
    • KR1020040103228A
    • 2004-12-08
    • KR1020030035165
    • 2003-05-31
    • 동양물산기업 주식회사
    • 남상일강영선김태영곽희성김대철한종규
    • F16H61/42
    • F16H61/0025F16H61/0009F16H61/0267F16H61/4035
    • PURPOSE: A hydrostatic transmission using flow discharged from a same pump is provided to use flow from the main pump for driving the hydrostatic transmission pump, and to operate the PTO(power take-off) clutch with part of flow by integrally connecting the PTO clutch with the hydrostatic transmission. CONSTITUTION: A main pump(2) drives by receiving power from an engine, and an integrated hydrostatic transmission(50) inputs flow from the main pump. The hydrostatic transmission is composed of a selection valve(53) selectively controlling the passage to stream flow from the main pump through an oil filter(51) to a PTO clutch cylinder(52), a pilot line(54a) of a third relief valve(54) regulating hydraulic pressure by switching the passage with the selection valve in filling flow, a fourth relief valve(55) inputting flow drained from the third relief valve with hydraulic pressure applied to the pilot line, a hydrostatic transmission pump(56) operating the hydrostatic transmission by inputting flow according to hydraulic pressure of a pilot line(55a), and a hydrostatic transmission motor(57).
    • 目的:使用从同一个泵排出的流量的静液压变速器用于使用来自主泵的流量来驱动静液压传动泵,并通过将PTO离合器连接在一起而使部分流动操作PTO(动力输出)离合器 与静液压传动。 构成:主泵(2)通过从发动机接收动力来驱动,并且集成静液压传动(50)从主泵输入流量。 静液压传动由选择阀(53)组成,选择阀控制通道,从主泵流过油过滤器(51)到PTO离合器缸(52),第三泄压阀的先导管线(54a) (54)通过在所述选择阀的充填流中切换所述通道来调节液压;第四安全阀(55),其输入从所述第三安全阀排出的液压,施加到所述先导管线;液压传动泵(56),其操作 通过根据先导管线(55a)的液压输入流量的静液压传动装置和静液压传动马达(57)。
    • 88. 发明授权
    • 유압식 자동변속 자전거
    • KR102308011B1
    • 2021-10-01
    • KR1020180114815
    • 2018-09-27
    • B62M19/00F16H61/42F04C2/324B62M25/00F04C2/08F04B17/03
    • 본발명의유압식자동변속자전거는다양한구성및 다양한방식으로제작, 작동하는유압식자동변속기를포함함으로써기존의기계식체인기어를사용하지않고도사용자가자전거주행중 변속이가능하다는이점을제공한다. 따라서사용자는기존의기계식체인기어의마모, 부식등으로인한오작동을방지할수 있고, 체인기어의탈착으로인한사고도방지할수 있으며, 주행중 체인기어에옷이말려들어가는불편함도피할수 있다. 특히본 발명의유압식자동변속자전거는유압펌프를포함하는유압식자동변속기를포함한다. 또한상기유압식자동변속기는유압펌프의구동부의모든부분또는상당한부분이상기유압식자동변속기의하우징또는커버내부에내장되도록구성할수 있다. 따라서상기유압식자동변속자전거는외부환경에의한상기구동부의기계적마모및 부식을최소화할수 있음은물론이물질이구동부에유입되어발생하는오작동을원천적으로방지할수 있다. 또한상기유압식자동변속기의구동부의대부분또는모든부분이상기하우징또는커버내부에내장되므로사용자는주행중 자신의옷과구동부의접촉을미연에방지할수 있다. 또한상기유압식자동변속기는유압펌프에서배출되는가압유체에의하여구동되는유압모터도포함하며, 상기유압모터의구동부의모든부분또는상당한부분역시상기유압식자동변속기의하우징에내장되도록구성할수도있다.