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1. 发明申请

WO1996018824A1 FLUID BRAKE DEVICE 审中-公开
标题翻译：流体制动装置
公开(公告)号：WO1996018824A1
公开(公告)日：1996-06-20
申请号：PCT/JP1995002557
申请日：1995-12-13
申请人： KOMATSU LTD. , ARAI, Mitsuru , HAYASHI, Seita , KADO, Hideki , NUNOTANI, Sadao , OSHIRO, Mitsuru
发明人： KOMATSU LTD.
IPC分类号： F15B11/00
CPC分类号： F16H61/4148 , E02F9/123 , E02F9/128 , F15B11/02 , F16H61/4061 , F16H61/4157 , F16H61/423
摘要： A fluid brake device comprising a first safety valve for discharging high pressure fluid on the side of a secondary port of a fluid motor to a primary port side, a second safety valve for discharging high pressure fluid on the side of the primary port of the fluid motor to the secondary port side, and a brake valve that can be switched from a neutral position to a first or second position according to the difference in pressure between the primary port side and the secondary port side, wherein inlet sides of the first and second safety valves are caused to communicate with the primary and secondary port sides via the brake valve, whereby when the brake valve stays at the neutral position, the communication area is increased, while at the first or second position, it is reduced.
摘要翻译：一种流体制动装置，包括用于将流体马达的次级端口侧的高压流体排放到主端口的第一安全阀，用于在流体的主端口侧排出高压流体的第二安全阀电动机到副端口侧，以及制动阀，其可以根据主端口侧和副端口侧之间的压力差从中性位置切换到第一或第二位置，其中第一和第二端口的入口侧使安全阀通过制动阀与主端口侧和副端口连通，由此当制动阀保持在中立位置时，通信区域增加，而在第一或第二位置减小。

2. 发明申请

WO1996012889A1 VARIABLE-SPEED HYDRAULIC MOTOR 审中-公开
标题翻译：变速液压马达
公开(公告)号：WO1996012889A1
公开(公告)日：1996-05-02
申请号：PCT/JP1995002170
申请日：1995-10-20
申请人： KOMATSU LTD. , HAYASHI, Seita , NUNOTANI, Sadao , ARAI, Mitsuru , KADO, Hideki
发明人： KOMATSU LTD.
IPC分类号： F03C01/253
CPC分类号： F03C1/0636
摘要： A variable-speed hydraulic motor comprising a cylinder block (25), a plurality of pistons (28) and a swash plate (30) for changing the strokes of the pistons. The swash plate is swung to increase its tilt by the resultant force (F1) of thrusts of a plurality of pistons (28), while it is swung to decrease its tilt by the thrust (F) of a piston (40) for changing the tilt, and the center of swinging of the swash plate (30) is set outside the point of application of the resultant force (F1) of a plurality of pistons (28) with respect to the center of the cylinder block (25). The piston (40) has a ring-like shape and its point of application is positioned outside the point of application of the resultant force ((F1) of the thrusts of a plurality of pistons (28) with respect to the center (37) of the cylinder block (25).
摘要翻译：一种变速液压马达，包括用于改变活塞冲程的气缸体（25），多个活塞（28）和斜盘（30）。斜盘被摆动以通过多个活塞（28）的推力的合力（F1）来增加其倾斜，同时其摆动以通过活塞（40）的推力（F）减小其倾斜，以改变倾斜，并且斜盘（30）的摆动中心设定在多个活塞（28）相对于气缸体（25）的中心的合力（F1）的施加点之外。活塞（40）具有环形形状，并且其使用点位于多个活塞（28）相对于中心（37）的推力的（F1）的施加点的外侧，的气缸体（25）。

3. 发明申请

WO1995009306A1 DAMPER FOR A HYDRAULIC PILOT VALVE 审中-公开
标题翻译：液压导向阀阻尼器
公开(公告)号：WO1995009306A1
公开(公告)日：1995-04-06
申请号：PCT/JP1994001606
申请日：1994-09-28
申请人： KABUSHIKI KAISHA KOMATSU SEISAKUSHO , MOTOTANI, Masayoshi , HAYASHI, Seita , MARUYAMA, Jun
发明人： KABUSHIKI KAISHA KOMATSU SEISAKUSHO
IPC分类号： F15B13/042
CPC分类号： F15B13/042 , F15B13/0422 , F16K31/44 , Y10T137/87064 , Y10T137/87233
摘要： A damper for a hydraulic pilot valve wherein a plurality of pressure reducing valves, a rotating shaft, an operating member mounted on the rotating shaft and a manipulating member for rotating the rotating shaft are provided on a valve main body and wherein the pressure reducing valves are operated by the operating member through the rotation of the rotating shaft by means of the manipulating member, characterized in that said damper device is provided in the valve main body and imparts operating resistance to the operating member by virtue of viscous resistance of a highly viscous fluid.
摘要翻译：一种用于液压先导阀的阻尼器，其中多个减压阀，旋转轴，安装在旋转轴上的操作构件和用于旋转旋转轴的操作构件设置在阀主体上，其中减压阀为通过操作构件通过旋转轴的旋转而由操作构件操作，其特征在于，所述阻尼装置设置在阀主体中，并由于高粘性流体的粘性阻力而赋予操作构件的操作阻力。

4. 发明申请

WO1996032587A1 APPARATUS FOR CONTROLLING SWASH-PLATE PUMP AND MOTOR 审中-公开
标题翻译：控制滑板泵和电机的装置
公开(公告)号：WO1996032587A1
公开(公告)日：1996-10-17
申请号：PCT/JP1996001006
申请日：1996-04-11
申请人： KOMATSU LTD. , MORINO, Kenji , ODA, Yosuke , HAYASHI, Seita
发明人： KOMATSU LTD.
IPC分类号： F04B01/26
CPC分类号： F04B1/324 , F04B49/08
摘要： An apparatus for controlling swash-plate pumps and motors, provided with a piston (40) fitted slidably in a cylinder bore (31) formed in a housing (20), a large-diameter pressure receiving chamber (43) and a small-diameter pressure receiving chamber (44) defined on both end sides of the piston and permitting the piston to be moved in one direction and in the other by a pressure oil in these chambers, a spool (47) slidably fitted in a spool bore (45) formed in an axial core portion of the piston, a first port (58), a second port (65) and a drain port (66) which are provided between the piston and spool and adapted to be put in a communicating state and shut-off state in accordance with the relative movements of the piston and spool, a third pressure receiving chamber (54) defined on one end side of the spool and adapted to move the spool in one direction by a pressure oil therein, and a spring (74) urging the piston and spool in the other direction, the piston and a swash-plate (4) being connected together so that, when the piston is moved, a tilt angle of the swash-plate varies, the small-diameter pressure receiving chamber communicating with the swash-plate type pump or a primary port (26) of a motor, the first port communicating with the small-diameter chamber and third pressure chamber, the second port communicating with the large-diameter pressure receiving chamber, the drain port communicating with a tank (18) via the interior of the housing, the first and second ports being shut off from each other with the second port and drain port communicating with each other when the piston is moved in one direction relatively to the spool, the first and second ports communicating with each other with the second port and drain port shut off from each other when the piston is moved in the other direction relatively to the spool.
摘要翻译：一种用于控制旋转斜盘泵和电动机的装置，其具有可滑动地装配在形成在壳体（20）中的气缸孔（31）中的活塞（40），大直径压力接收室（43）和小直径压力接收室（44），其限定在活塞的两端侧，并允许活塞在一个方向上移动，另一方面通过这些腔室中的压力油移动;可滑动地装配在阀芯孔（45）中的阀芯（47）形成在活塞的轴向芯部中，设置在活塞和阀芯之间的第一端口（58），第二端口（65）和排出端口（66），并且适于处于连通状态，根据活塞和阀芯的相对运动，关闭状态;限定在阀芯的一端侧并适于通过其中的压力油在一个方向上移动阀芯的第三压力接收室（54）和弹簧（74 ）向另一个方向推动活塞和阀芯，活塞和旋转斜盘（4）进入 g连接在一起，使得当活塞移动时，斜板的倾斜角度变化，小直径受压室与旋转斜盘式泵或电动机的主端口（26）连通，第一所述第二端口与所述大直径压力接收室连通，所述排出口经由所述壳体的内部与罐（18）连通，所述第一和第二端口被关闭当活塞相对于阀芯相对于一个方向移动时，第二端口和排出端口彼此连通，第一和第二端口彼此连通，第二端口和排出端口彼此断开，彼此断开，活塞相对于阀芯沿另一个方向移动。

5. 发明申请

WO1996012110A1 COUNTER-BALANCE VALVE 审中-公开
标题翻译：反平衡阀
公开(公告)号：WO1996012110A1
公开(公告)日：1996-04-25
申请号：PCT/JP1995002135
申请日：1995-10-18
申请人： KOMATSU LTD. , ARAI, Mitsuru , HAYASHI, Seita , NUNOTANI, Sadao , KADO, Hideki
发明人： KOMATSU LTD.
IPC分类号： F15B11/00
CPC分类号： E02F9/2267 , E02F9/2271 , F15B11/00 , F15B11/044 , F15B11/0445 , F15B13/021 , F15B13/0402 , F15B2211/30505 , F15B2211/30525 , F15B2211/50581 , F15B2211/853 , Y10T137/2554 , Y10T137/2562
摘要： A counter-balance valve having the construction wherein a valve hole having first and second pump-side ports, first and second motor-side ports and an auxiliary port, a spool fitted to the valve hole slidably in the transverse direction and establishing or cutting off communication between ports, right and left springs for holding the spool at a neutral position at which communication between ports is cut off, a left pressure receiving chamber for moving the spool to a first travelling position at which the first pump-side port communicates with the auxiliary port and the second pump-side port communicates with the second motor-side port by a pressure oil supplied, and a right pressure receiving chamber for moving the spool to a second travelling position at which the second pump-side port communicates with the auxiliary port and the first pump-side port communicates with the first motor-side port by the pressure oil supplied, are provided to a valve main body, first shaft hole communicating with the left pressure receiving chamber, a second shaft hole communicating with the right pressure receiving chamber, first and second small diameter holes allowing normally the first and second shaft holes to communicate with the first and second pump-side ports and first and second large diameter holes for allowing the first and second shaft holes to communicate with the outer peripheral surface of the spool are formed on the spool, respectively, the first and second large diameter holes are closed when the spool exists at the neutral position and at the position between the neutral position and the first and second travelling positions, and the first and second large diameter holes communicate with the auxiliary port when the spool exists at the first and second travelling positions.
摘要翻译：一种具有这样的结构的平衡阀，其中具有第一和第二泵侧端口的阀孔，第一和第二电动机侧端口和辅助端口，在横向上可滑动地安装在阀孔上的阀芯，并建立或切断端口之间的连通，用于将阀芯保持在端口之间的连通中断的中间位置的左右弹簧，用于将阀芯移动到第一泵侧端口与第一泵侧端口连通的第一行进位置的左压力接收室辅助端口和第二泵侧端口通过供应的压力油与第二电动机侧端口连通;以及右压力接收室，用于将阀芯移动到第二泵侧端口与辅助端口连通的第二行进位置端口和第一泵侧端口通过供给的压力油与第一电动机侧端口连通，设置在阀主体上，第一轴孔通道与左压力容纳室相连，与右压力接收室连通的第二轴孔，第一和第二小孔通常允许第一和第二轴孔与第一和第二泵侧端口连通，第一和第二大直径孔在阀芯上分别形成有用于允许第一和第二轴孔与阀芯的外周表面连通的直径孔，当阀芯存在于中间位置时，第一和第二大直径孔闭合，中空位置和第一和第二行进位置，并且当阀芯存在于第一和第二行进位置时，第一和第二大直径孔与辅助端口连通。

6. 发明申请

WO1996011336A1 HYDRAULIC MOTOR EQUIPPED WITH BRAKE DEVICE 审中-公开
标题翻译：配有制动装置的液压马达
公开(公告)号：WO1996011336A1
公开(公告)日：1996-04-18
申请号：PCT/JP1995002068
申请日：1995-10-09
申请人： KOMATSU LTD. , HAYASHI, Seita , ARAI, Mitsuru , NUNOTANI, Sadao
发明人： KOMATSU LTD.
IPC分类号： F03C01/22
CPC分类号： F16D59/02 , F04B49/02 , F16D55/40 , F16D2055/0058
摘要： A hydraulic motor including a motor housing (22) formed by coupling a motor case (20) and an end cover (21), a cylinder block (23) rotatably fitted into the motor housing (22) through a shaft (24), a plurality of cylinder holes (25) formed in parallel with the shaft (24) in the cylinder block (23) and in a spaced-apart relation in a circumferential direction, a piston (26) slidably fitted into each cylinder hole (25), and a swash plate (28) for guiding the piston in the circumferential direction when the piston (26) is caused to slide, which motor is further equipped with a brake device which comprises a ring-like brake member (31) on a stationary side so disposed on the inner peripheral surface of the motor case (20) as to be movable in the axial direction, a ring-like brake member (36) on a rotation side so disposed on the outer peripheral surface of the cylinder block (23) as to be movable in the axial direction, a spring member (38) for bringing both ring-like brake members (31, 36) into pressure contact with the inner surface (21a) of the end cover (21), a brake piston (42) movably fitted into the cylinder hole (25) of the end cover (21) in the axial direction to thereby define an oil chamber (42), and moved by a pressure oil supplied to the oil chamber (42) to thereby compress the spring member (38) and to release the pressure contact of both ring-like brake members (31, 36), and an oil path so defined in the end cover (21) as to communicate with the oil chamber.
摘要翻译：一种液压马达，其包括通过联接马达壳体（20）和端盖（21）形成的马达壳体（22），通过轴（24）可旋转地装配到马达壳体（22）中的气缸体（23）在气缸体（23）中与所述轴（24）平行地形成并且沿圆周方向间隔开的多个气缸孔（25），可滑动地嵌合到每个气缸孔（25）中的活塞（26）以及用于当活塞（26）滑动时沿圆周方向引导活塞的旋转斜盘（28），该马达还配备有制动装置，该制动装置包括位于固定侧的环状制动构件（31）在所述电动机壳体（20）的内周面上沿轴向移动的旋转侧的环状制动部件（36）设置在所述气缸体（23）的外周面上，可沿轴向移动的弹簧构件（38），用于使两个环形制动构件（31,36 ）与端盖（21）的内表面（21a）压力接触，制动活塞（42）沿轴向可移动地装配到端盖（21）的气缸孔（25）中，从而限定油并且通过供给到油室（42）的压力油移动，从而压缩弹簧部件（38）并且释放两个环状的制动部件（31,36）的压力接触以及油以限定在端盖21中与油室连通的路径。

7. 发明申请

WO1994012922A1 COUPLING FOR MANIPULATION LEVER DEVICE 审中-公开
标题翻译：用于操纵杆装置的联接
公开(公告)号：WO1994012922A1
公开(公告)日：1994-06-09
申请号：PCT/JP1993001752
申请日：1993-12-01
申请人： KABUSHIKI KAISHA KOMATSU SEISAKUSHO , HAYASHI, Seita;
发明人： KABUSHIKI KAISHA KOMATSU SEISAKUSHO
IPC分类号： G05G09/047
CPC分类号： F16D3/52 , F16D3/04 , G05G9/047 , Y10T403/54 , Y10T403/7016 , Y10T403/7098
摘要： A coupling for a manipulation lever device for connecting a shaft (23) that is rotated by a lever (20) supported on a valve main body (10) to a rotating shaft (25a) of a rotating angle sensor (25) mounted on the valve main body, comprising a fitting recessed portion (40) formed in the shaft, a coupling (41) adapted to be fitted into the fitting recessed portion, and a projection (42) provided on the rotating shaft so as to be fitted into a square hole (45) of the coupling, wherein the coupling is constituted by a pair of first pieces (43) confronting each other and a pair of wave-shaped second pieces (44) confronting each other so as to be formed into a shape having therein a square hole, wherein the pair of first pieces are fitted into the fitting recessed portion of the shaft, and wherein the projection is fitted into between the pair of second pieces, whereby even if the interference of a fitting portion between the square hole of the coupling and the projection is made large, the deformation of the coupling is made small, thereby making it possible to fit the coupling into the fitting recessed portion without any gap.
摘要翻译：一种用于连接由支撑在阀主体（10）上的杠杆（20）旋转的轴（23）与旋转角传感器（25）的旋转轴（25a）连接的操纵杆装置的联接器阀主体，包括形成在轴中的配合凹部（40），适于装配到配合凹部中的联接件（41）和设置在旋转轴上的凸起（42），以装配到方形孔（45），其中，所述联接件由彼此面对的一对第一部件（43）和彼此面对的一对波形第二部件（44）构成，以形成为具有其中有一个方孔，其中一对第一片嵌入到轴的嵌合凹入部分中，并且其中突起装配在一对第二片之间，由此即使在一个第二片的方孔之间的装配部分的干涉耦合和投影大，d 联接器的形状变小，从而使得可以将连接件配合到配合凹部中而没有任何间隙。

8. 发明申请

WO1996030651A1 DRIVING DEVICE FOR A HYDRAULIC MOTOR 审中-公开
标题翻译：液压马达驱动装置
公开(公告)号：WO1996030651A1
公开(公告)日：1996-10-03
申请号：PCT/JP1996000764
申请日：1996-03-22
申请人： KOMATSU LTD. , HAYASHI, Seita , NUNOTANI, Sadao , AKASAKA, Tosiyuki
发明人： KOMATSU LTD.
IPC分类号： F15B11/00
CPC分类号： E02F9/128 , E02F9/123 , E02F9/2285 , F15B11/0445 , F15B11/05 , F15B13/0402 , F15B2211/30505 , F15B2211/40515 , F15B2211/46 , F15B2211/50518 , F15B2211/5153 , F15B2211/67 , F15B2211/7058
摘要： A driving device for a hydraulic motor comprising a directional control valve (21) for supplying pressure oil discharged from a hydraulic pump (20) to a first port (25) or a second port (26) of a hydraulic motor (24) and returning oil returning from the second port or the first port to a tank (27) and a pilot pressure supplying valve (40) for controlling the directional control valve (21) wherein the directional control valve is of a pilot pressure selection type in which the valve is positioned, respectively, at a neutral position A by means of springs (32, 33), at a first position B by virtue of a pressure to a first pressure receiving portion (34), and at a second position C by virtue of a pressure to a second pressure receiving portion (35), wherein when the directional control valve is at the neutral position, the discharged pressure oil is supplied to the first and second ports via check valves (36, 37), when at the first position, the discharged pressure oil is supplied to the first port, while pressure oil at the second port is discharged therefrom into the tank, and when at the second position, the discharged pressure oil is supplied to the second port, while pressure oil at the second port is discharged therefrom into the tank, wherein the pilot pressure supplying valve is positioned at a neutral position F by means of springs (50, 51), and is switched to a first position G and a second position H by first and second drive means (52, 53), respectively, so as to supply pilot pressure to the first and second pressure receiving portions, and wherein when the pilot pressure supplying valve is positioned at the neutral position, the first and second pressure receiving portions communicate with the tank, when at the first position, the first port communicates with the first pressure receiving portion, while the second pressure receiving portion communicates with the tank and when at the second position, the second port communicates with the second pressure receiving portion, while the first pressure receiving portion communicates with the tank.
摘要翻译：一种用于液压马达的驱动装置，包括用于将从液压泵（20）排出的压力油提供给液压马达（24）的第一端口（25）或第二端口（26）的方向控制阀（21）从第二端口或第一端口返回到罐（27）和用于控制方向控制阀（21）的先导压力供应阀（40）的油，其中方向控制阀是先导压力选择型，其中阀通过弹簧（32,33）分别在中间位置A处，在第一位置B处由于对第一压力接收部分（34）的压力而定位，并且在第二位置C处借助于压力传递到第二压力接收部分（35），其中当所述方向控制阀处于中间位置时，排出的压力油通过止回阀（36,37）供应到第一和第二端口，当在第一位置时，排出的压力油被供给到f 第一端口，而第二端口处的压力油从其排出到罐中，并且当在第二位置时，排出的压力油被供给到第二端口，同时第二端口处的压力油从其排出到罐中，其中先导压力供给阀通过弹簧（50,51）位于中立位置F，并分别通过第一和第二驱动装置（52,53）切换到第一位置G和第二位置H，因此用于向第一和第二压力接收部分供给先导压力，并且其中当先导压力供给阀位于中间位置时，第一和第二压力接收部分与罐连通，当处于第一位置时，第一端口与第一压力接收部分连通，而第二压力接收部分与罐连通，并且当在第二位置时，第二端口与第二压力接收部而第一压力接收部分与罐连通。

9. 发明申请

WO1994005028A1 LEVER COMMANDER FOR MULTI-WAY OPERATION JOY STICK CONTROLLER 审中-公开
标题翻译：多方位操作控制器的杠杆控制器
公开(公告)号：WO1994005028A1
公开(公告)日：1994-03-03
申请号：PCT/JP1993001129
申请日：1993-08-10
申请人： KABUSHIKI KAISHA KOMATSU SEISAKUSHO , HAYASHI, Seita; , MARUYAMA, Jun;
发明人： KABUSHIKI KAISHA KOMATSU SEISAKUSHO
IPC分类号： H01H25/04
CPC分类号： G05G9/04785
摘要： A lever comprises a housing; a lever member mounted in the housing through a mounting mechanism with its one end projecting from the housing, and selectively operated manually in a first direction of the operation so as to generate a first instruction signal, and in a second direction of operation which crosses the first direction so as to generate a second instruction signal; an instruction signal generator which detects the amounts of operations in the first and second directions, and generates the first and second instruction signals according to the directions and amounts of the operation; a first operational amount transmission mechanism which so supports the lever member as to swing in the second direction, and transmits the operational amount of the lever member to the instruction signal generating means when the lever member is operated in the first direction; and a second operational amount transmission mechanism which so supports the lever member as to swing in the first direction, and transmits the operation amount of the lever member to the instruction signal generating means when the lever member is operated in the second direction.
摘要翻译：杠杆包括壳体; 杠杆构件，其通过安装机构安装在所述壳体中，所述安装机构的一端从所述壳体突出，并且在所述操作的第一方向上选择性地手动操作，以便产生第一指令信号，并且在穿过所述操作的第二方向第一方向，以产生第二指令信号; 指示信号发生器，其检测第一和第二方向的操作量，并根据操作的方向和量产生第一和第二指令信号; 第一操作量传递机构，其使所述杆构件沿所述第二方向摆动，并且当所述杆构件沿所述第一方向操作时，将所述杆构件的操作量传递到所述指示信号生成单元; 以及第二操作量传递机构，其使所述杆构件沿所述第一方向摆动，并且当所述杆构件在所述第二方向上操作时，将所述杆构件的操作量传递到所述指示信号生成单元。

10. 发明申请

WO1996037718A1 CAPACITY CONTROL DEVICE FOR A HYDRAULIC MOTOR FOR A HYDRAULICALLY DRIVEN VEHICLE 审中-公开
标题翻译：用于液压驱动车辆液压马达的容量控制装置
公开(公告)号：WO1996037718A1
公开(公告)日：1996-11-28
申请号：PCT/JP1996001375
申请日：1996-05-23
申请人： KOMATSU LTD. , AKASAKA, Tosiyuki , NUNOTANI, Sadao , HAYASHI, Seita
发明人： KOMATSU LTD.
IPC分类号： F16H61/42
CPC分类号： F16H61/465 , F16H61/423 , F16H61/46
摘要： A capacity control device for a hydraulic motor for a hydraulically driven vehicle comprising a hydraulic pump (2) that is driven by an engine (1), a variable capacity type hydraulic motor (5) that is rotated by pressure oil discharged from the hydraulic pump to thereby drive a running body, a capacity control section for controlling capacity of the variable capacity type hydraulic motor in such a manner that the capacity is decreased when the number of revolutions of the engine increases while the capacity is increased when the number of revolutions of the engine decreases and operation speed control means for increasing the operation speed when the capacity control section operates between a maximum capacity position and an intermediate capacity position and decreasing the operation speed when the capacity control section operates between the intermediate capacity position and a minimum capacity position.
摘要翻译：一种用于液压驱动车辆的液压马达的容量控制装置，包括由发动机（1）驱动的液压泵（2），由液压泵排出的压力油旋转的可变容量型液压马达（5）从而驱动行驶体，容量控制部，其以这样的方式控制可变容量型液压马达的容量，使得当发动机的转数增加时发动机的转数随着转速的增加而增加发动机减速和运转速度控制装置，用于当容量控制部分在最大容量位置和中间容量位置之间操作时增加操作速度，并且当容量控制部分在中间容量位置和最小容量位置之间操作时降低操作速度。

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