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1. 发明申请

WO1998025773A1 TIRE CONSTRUCTION 审中-公开
标题翻译：轮胎施工
公开(公告)号：WO1998025773A1
公开(公告)日：1998-06-18
申请号：PCT/JP1997004491
申请日：1997-12-08
申请人： KOMATSU LTD. , KANAYAMA, Noboru
发明人： KOMATSU LTD.
IPC分类号： B60C07/10
CPC分类号： B60C7/12 , B60C7/08 , B60C7/102
摘要： A tire construction capable of suppressing deformation to prevent generation of heat and improve durability. Thus a tire is molded into integral construction to have a multiplicity of lugs (21), a projection (21B) is formed to extend from the top (21a) of a lug (21) toward a hollow portion (22A), and the hollow portion (22A) has a substantially U-shaped cross section in a direction perpendicular to an axis of rotation of a rim (15). Also, a projection (21A) may be formed to extend from a side of the rim (15) toward a hollow portion (22) so that the hollow portion (22) has a substantially inverted U-shaped cross section in the direction perpendicular to the axis of rotation of the rim (15).
摘要翻译：能够抑制变形以防止发热并提高耐久性的轮胎结构。因此，轮胎被模制成一体构造以具有多个凸耳（21），突起（21B）形成为从凸耳（21）的顶部（21a）向中空部分（22A）延伸，并且中空部分（22A）在与边缘（15）的旋转轴线垂直的方向上具有大致U形的横截面。此外，突起（21A）可以形成为从边缘（15）的侧面朝向中空部分（22）延伸，使得中空部分（22）在垂直于中空部分的方向上具有基本上倒U字形的横截面轮辋（15）的旋转轴线。

2. 发明申请

WO1998025774A1 TIRE CONSTRUCTION 审中-公开
标题翻译：轮胎施工
公开(公告)号：WO1998025774A1
公开(公告)日：1998-06-18
申请号：PCT/JP1997004492
申请日：1997-12-08
申请人： KOMATSU LTD. , KANAYAMA, Noboru
发明人： KOMATSU LTD.
IPC分类号： B60C07/10
CPC分类号： B60C7/12 , B60C7/08 , B60C7/10
摘要： A tire construction capable of preventing adjacent lug segments from contacting with each other, and improving durability. Thus a projection (21B) is formed to extend from the top (21a) of a lug segment (21) toward a hollow portion (22A), and the hollow portion (22A) has a substantially U-shaped cross section in a direction perpendicular to an axis of rotation of a rim (15). Also, a projection (21A) may be formed to extend from a side of the rim (15) toward a hollow portion (22) so that the hollow portion (22) has a substantially inverted U-shaped cross section.
摘要翻译：一种轮胎结构，其能够防止相邻的凸耳段彼此接触，并提高耐久性。因此，突起（21B）形成为从突出部分（21）的顶部（21a）朝向中空部分（22A）延伸，并且中空部分（22A）在垂直方向上具有基本上U形的横截面到边缘（15）的旋转轴线。此外，突起（21A）可以形成为从边缘（15）的侧面朝向中空部分（22）延伸，使得中空部分（22）具有基本上倒置的U形横截面。

3. 发明申请

WO1998005521A1 SUSPENSION DEVICE FOR EXCAVATING WORK VEHICLES AND METHOD OF CONTROLLING SAME 审中-公开
标题翻译：用于挖掘工程车辆的悬挂装置及其控制方法
公开(公告)号：WO1998005521A1
公开(公告)日：1998-02-12
申请号：PCT/JP1997002633
申请日：1997-07-29
申请人： KOMATSU LTD. , GENJI, Masaaki , KANAYAMA, Noboru
发明人： KOMATSU LTD.
IPC分类号： B60G17/005
CPC分类号： B60G21/106 , B60G17/005 , B60G2202/154 , B60G2204/82 , B60G2300/09 , B60G2400/204 , B60G2500/20 , B60G2800/012
摘要： A suspension device for excavating work vehicles and a method of controlling the same offer a comfort riding at the time of running, high-speed running stability, excellent running performance on an unlevelled ground, and excellent operability. Thus the device comprises a vehicle speed sensor (23) for detecting a vehicle speed, and a controller (24), which on the basis of a signal from the vehicle speed sensor (23) opens a communication valve (12), when the vehicle speed is lower than a predetermined value, to provide communication between a pair of front suspension cylinders (2, 3), and closes the communication valve (12), when the vehicle speed is a predetermined value or higher, to cut off communication between the pair of front suspension cylinders (2, 3).
摘要翻译：用于挖掘工作车辆的悬架装置及其控制方法在行驶时提供舒适骑行，高速行驶稳定性，在未磨平的地面上的优异的行驶性能以及优异的可操作性。因此，该装置包括用于检测车速的车速传感器（23），以及控制器（24），其基于来自车速传感器（23）的信号打开连通阀（12），当车辆速度低于预定值，以在一对前悬架气缸（2,3）之间提供连通，并且当车速为预定值或更高时关闭连通阀（12），以切断一对前悬架气缸（2,3）。

4. 发明申请

WO1998004429A1 TWO-WHEEL/FOUR-WHEEL DRIVING HYDRAULIC TRAVELLING APPARATUS OF VEHICLE AND DRIVING SWITCHING METHOD 审中-公开
标题翻译：双轮/四轮驱动液压驾驶装置车辆和驾驶开关方法
公开(公告)号：WO1998004429A1
公开(公告)日：1998-02-05
申请号：PCT/JP1997002658
申请日：1997-07-31
申请人： KOMATSU LTD. , KANAYAMA, Noboru
发明人： KOMATSU LTD.
IPC分类号： B60K23/08
CPC分类号： B60K23/08 , B60K17/356
摘要： No shock develops when a driving state of a vehicle is switched from two-wheel driving to four-wheel driving. In a driving switching method of a two-wheel/four-wheel driving hydraulic travelling apparatus comprising a variable displacement hydraulic pump (1), a rear wheel driving hydraulic circuit including a variable capacity hydraulic motor (3) for driving rear wheels on receiving a driving pressure oil from a pump through a direction change-over valve (11R), a front wheel driving hydraulic circuit including a constant capacity hydraulic motor (2) for driving front wheels on receiving the driving pressure oil through a direction change-over valve (11F), a clutch (4) for intermittently connecting an output shaft of the constant capacity hydraulic motor with the front wheels, and a communication valve (12) capable of intermittent communication between the front wheel and rear wheel driving hydraulic circuits, the front wheel and rear wheel driving hydraulic circuits communicate with each other when a switching signal (S2) to four-wheel driving is transmitted from driving switching signal transmission means (7), a discharge flow rate (QP) from the pump and an excessive flow rate generated by changing the capacity of the variable capacity hydraulic motor are caused to flow into the front wheel driving hydraulic circuit, and when a flow rate (QF) at which the revolution of the constant capacity hydraulic motor synchronizes with that of the variable capacity hydraulic motor is reached, the clutch is engaged and the driving state is switched to the four-wheel driving state.
摘要翻译：当车辆的行驶状态从两轮驾驶切换到四轮驱动时，不会产生冲击。在包括可变排量液压泵（1）的两轮/四轮驱动液压行进装置的驱动切换方法中，包括用于在接收到后轮的驱动下驱动后轮的可变容量液压马达（3）的后轮驱动液压回路从泵通过方向转换阀（11R）驱动压力油，前轮驱动液压回路，其包括用于在通过方向转换阀接收驱动压力油的情况下驱动前轮的恒量液压马达（2） 11F），用于间歇地连接恒定液压马达的输出轴与前轮的离合器（4）和能够在前轮和后轮驱动液压回路之间间歇连通的连通阀（12），前轮并且当从驱动切换信号trans发送到四轮驱动的切换信号（S2）时，后轮驱动液压回路相互连通任务装置（7），来自泵的排出流量（QP）和通过改变可变容量液压马达的容量而产生的过大的流量被流入前轮驱动液压回路中，并且当流量 QF），其中恒定液压马达的转速与可变容量液压马达的转速同步，离合器接合并将驱动状态切换到四轮驱动状态。

5. 发明申请

WO1998004428A1 TRAVELLING EQUIPMENT FOR HYDRAULIC FOUR-WHEEL DRIVE VEHICLE 审中-公开
标题翻译：液压四轮驱动车辆旅行设备
公开(公告)号：WO1998004428A1
公开(公告)日：1998-02-05
申请号：PCT/JP1997002657
申请日：1997-07-31
申请人： KOMATSU LTD. , KANAYAMA, Noboru
发明人： KOMATSU LTD.
IPC分类号： B60K17/356
CPC分类号： F16H61/456 , B60K17/356 , B60K23/0808 , F16H61/4052 , F16H61/4148
摘要： A travelling equipment for hydraulic four-wheel drive vehicles which provides a stable traction and travelling speed even in travelling on a bumpy road surface, offers a long service life for hydraulic equipment, and is economical. The equipment, having a variable displacement hydraulic pump and front and rear wheel side hydraulic motors, comprises a closed center type front wheel side directional switching valve (3F) provided for the front wheel side hydraulic motor (2F), a closed center type rear wheel side directional switching valve (3R) provided for the rear wheel side hydraulic motor (2R), pump flow rate control means for controlling a pump discharge oil quantity so as to maintain differential pressures across the respective directional switching valves (3F, 3R) constant, and a communication valve (5) provided between an oil passage (4F) extending from the front wheel side directional switching valve to the front wheel side hydraulic motor and an oil passage (4R) extending from the rear wheel side directional switching valve to the rear wheel side hydraulic motor to provide communication or shut-off between these oil passages.
摘要翻译：液压四轮驱动车辆的行驶设备，即使在颠簸路面上行驶时也能提供稳定的牵引力和行驶速度，为液压设备提供长使用寿命，且经济。具有可变排量液压泵和前后轮侧液压马达的设备包括为前轮侧液压马达（2F）设置的封闭中心型前轮侧方向切换阀（3F），闭合中心型后轮为后轮侧液压马达（2R）设置的侧方切换阀（3R），用于控制泵排出油量以使各方向切换阀（3F，3R）之间的压差恒定的泵流量控制单元，以及设置在从前轮侧方向切换阀向前轮侧液压马达延伸的油路（4F）和从后轮侧方向切换阀向后延伸的油路（4R）之间的连通阀（5）车轮侧液压马达，以在这些油路之间提供通信或切断。

6. 发明申请

WO1998001331A1 TRAVELLING BRAKE CONTROL DEVICE FOR INDUSTRIAL VEHICLE AND CONTROL METHOD 审中-公开
标题翻译：用于工业车辆的行驶制动控制装置和控制方法
公开(公告)号：WO1998001331A1
公开(公告)日：1998-01-15
申请号：PCT/JP1997002366
申请日：1997-07-08
申请人： KOMATSU LTD. , KANAYAMA, Noboru , GENJI, Masaaki
发明人： KOMATSU LTD.
IPC分类号： B60T08/26
CPC分类号： B60T13/686 , B60T8/26
摘要： A travelling brake control device for industrial vehicles and a control method therefor are provided, in which rear wheels can be safely braked without locking even when fully braked at the time of high speed travelling, and the rear wheels are braked as strongly as front wheels by a brake locking operation at the time of work to ensure a stable work. Therefore, a travelling brake control device for stopping a vehicle to perform work such as excavation, and loading and for braking the vehicle by means of front and rear wheel brakes at the time of travelling and work comprises a rear wheel brake valve (12) for reducing pressure of a pressure oil in a pressure source in accordance with an operating force of a brake pedal (25) to supply the rear wheel brakes with the oil, a front wheel brake valve (11) for operating interlockingly with the rear wheel brake valve to supply the front wheel brakes with a pressure oil of higher pressure than that of the pressure oil supplied to the rear wheel brakes, and rear wheel brake booster means for supplying a high pressure oil, which is to be supplied to the front wheel brakes, as a pressure oil for the rear wheel brakes at the time of work.
摘要翻译：提供一种用于工业车辆的行驶制动控制装置及其控制方法，其中即使在高速行驶时完全制动时，后轮也可以被安全地制动，并且后轮通过在工作时制动锁定操作，确保稳定工作。因此，行驶制动控制装置具有后轮制动阀（12），该行驶制动控制装置用于在行驶和作业时通过前轮和后轮制动器停止车辆进行诸如挖掘，装载和制动车辆的工作，根据制动踏板（25）的操作力降低压力源中的压力油的压力，以向后轮制动器供油;前轮制动阀（11），其与后轮制动阀为前轮制动器提供压力高于供给到后轮制动器的压力油的压力油;以及后轮制动器升压装置，用于供给要供给到前轮制动器的高压油，作为工作时后轮制动器的压力油。

7. 发明申请

WO1996015394A1 METHOD OF CONTROLLING SPEED CHANGE OF HYDRAULIC DRIVE DEVICE FOR VEHICLE AND SPEED CHANGE DEVICE 审中-公开
标题翻译：控制车辆和变速装置液压驱动装置速度变化的方法
公开(公告)号：WO1996015394A1
公开(公告)日：1996-05-23
申请号：PCT/JP1995002279
申请日：1995-11-08
申请人： KOMATSU LTD. , OHKURA, Yasunori , HIRAKI, Hikosaburou , KANAYAMA, Noboru , MAKIDA, Ryutaro
发明人： KOMATSU LTD.
IPC分类号： F16H61/40
CPC分类号： F16H61/4148 , B60W10/06 , B60W10/103 , B60W30/18072 , B60W2510/0275 , B60W2520/10 , B60W2710/0644 , B60W2710/0666 , E02F9/128 , E02F9/2235 , E02F9/2246 , E02F9/2253 , E02F9/2285 , E02F9/2296 , F15B11/02 , F15B11/04 , F15B2211/20523 , F15B2211/20553 , F15B2211/253 , F15B2211/255 , F15B2211/30505 , F15B2211/3051 , F15B2211/30525 , F15B2211/30535 , F15B2211/3111 , F15B2211/31576 , F15B2211/327 , F15B2211/351 , F15B2211/50518 , F15B2211/50554 , F15B2211/50563 , F15B2211/5059 , F15B2211/5154 , F15B2211/5156 , F15B2211/5158 , F15B2211/555 , F15B2211/6052 , F15B2211/6054 , F15B2211/6309 , F15B2211/6313 , F15B2211/633 , F15B2211/6333 , F15B2211/6336 , F15B2211/6346 , F15B2211/6355 , F15B2211/6651 , F15B2211/6652 , F15B2211/6653 , F15B2211/6654 , F15B2211/6655 , F15B2211/6656 , F15B2211/7053 , F15B2211/7058 , F15B2211/71 , F15B2211/715 , F15B2211/75 , F15B2211/76 , F16H59/54 , F16H61/4017 , F16H61/4061 , F16H61/4157 , F16H61/421 , F16H61/46 , F16H2059/186 , F16H2059/6861 , F16H2059/6876
摘要： A method of controlling speed change of a hydraulic drive device for vehicles and a speed change device, which provide a favorable travelling efficiency and a favorable controllability. The method of controlling speed change comprises performing control through discriminating at least between power running and brake running from a magnitude of acceleration ( theta ) and a rotating speed of a hydraulic motor (50). At the time of power running, a change-over valve (21) may be fully opened in accordance with the rotating speed ( omega out) of the hydraulic motor (50) and the magnitude of acceleration ( theta ). Also, the speed change device comprises a detecting sensor (61a) for the magnitude of acceleration, a motor rotating speed detecting sensor (52) for detecting a vehicle speed (V), and a control device (60) for discriminating between power running and brake running on the basis of the magnitude of acceleration ( omega out) and the vehicle speed (V) for controlling.
摘要翻译：一种控制用于车辆的液压驱动装置的变速的方法和变速装置，其提供有利的行驶效率和良好的可控性。控制速度变化的方法包括通过从加速度（θ）的大小和液压马达（50）的转速来区分至少在动力运行和制动器行驶之间进行控制。在动力运行时，根据液压马达（50）的旋转速度（ω-out）和加速度（θ）的大小，转换阀（21）可以完全打开。此外，变速装置包括用于加速度的检测传感器（61a），用于检测车速（V）的电动机转速检测传感器（52），以及用于区分动力运行和基于加速度（omega out）的大小和用于控制的车速（V）来制动行驶。

8. 发明申请

WO1998029664A1 APPARATUS FOR RECOVERING PRESSURE OIL RETURNED FROM ACTUATORS 审中-公开
标题翻译：用于恢复从执行机构返回的压力油的装置
公开(公告)号：WO1998029664A1
公开(公告)日：1998-07-09
申请号：PCT/JP1997004844
申请日：1997-12-25
申请人： KOMATSU LTD. , ENDO, Hiroshi , YOSHIDA, Nobumi , MARUTA, Kazuhiro
发明人： KOMATSU LTD.
IPC分类号： F15B11/00
CPC分类号： E02F9/2267 , E02F9/2207 , E02F9/2217 , E02F9/2228 , E02F9/2271 , E02F9/2285 , E02F9/2292 , E02F9/2296 , F15B11/02 , F15B11/16 , F15B21/14 , F15B2211/20553 , F15B2211/20569 , F15B2211/20576 , F15B2211/212 , F15B2211/30515 , F15B2211/3111 , F15B2211/31541 , F15B2211/31576 , F15B2211/329 , F15B2211/351 , F15B2211/353 , F15B2211/40515 , F15B2211/428 , F15B2211/45 , F15B2211/613 , F15B2211/633 , F15B2211/6333 , F15B2211/6346 , F15B2211/6355 , F15B2211/7052 , F15B2211/7058 , F15B2211/71
摘要： An apparatus for recovering a pressure oil returned from actuators which comprises a plurality of recovery circuits (15, 19, 25, 27), into which a return pressure oil from a plurality of actuators flows, a main recovery circuit (36), and selection means (30, 31, 32, 33, 34, 35, 37) for selectively allowing communication between at least one of the plurality of recovery circuits and the main recovery circuit. Upon communication of at least one of the plurality of recovery circuits to the main recovery circuit, a return pressure oil from at least one actuator can be recovered. Accordingly, the apparatus can be applied as an apparatus for recovering a return pressure oil in a work machine provided with a plurality of actuators.
摘要翻译：一种用于回收从致动器返回的压力油的装置，包括多个致动器返回压力油流过的多个回收回路（15,19,25,27），主回路（36）和选择用于选择性地允许所述多个恢复电路和所述主恢复电路中的至少一个之间的通信的装置（30,31,32,33,34,35,37）。在将多个恢复电路中的至少一个通信到主恢复电路时，可以恢复来自至少一个致动器的返回压力油。因此，该装置可以用作在设置有多个致动器的作业机械中回收返回压力油的装置。

9. 发明申请

WO1998024984A1 WORKING MACHINE WITH A BREAKER 审中-公开
标题翻译：工作机器与断路器
公开(公告)号：WO1998024984A1
公开(公告)日：1998-06-11
申请号：PCT/JP1996003596
申请日：1996-12-06
申请人： KOMATSU LTD. , KOMATSU ZENOAH CO. , NOJIRI, Mikio
发明人： KOMATSU LTD. , KOMATSU ZENOAH CO.
IPC分类号： E02F03/36
CPC分类号： E02F3/369 , B25D17/28 , E02F3/325 , E02F3/3604 , E02F3/966
摘要： A working machine with a breaker comprising a vehicle body (2) with a running unit (1), a boom (4) vertically swingably mounted on the vehicle body, an arm (6) longitudinally swingably mounted on the boom, a breaker main body (12) mounted longitudinally swingably relative to the arm and having a chisel (22) removably mounted thereon, a bucket (15) longitudinally swingably mounted on a leading end portion of the breaker main body, a bucket link (13) longitudinally swingably mounted on the leading end portion of the breaker main body, a push link (17) connected to the bucket line and the bucket, a cylinder (20) for the bucket mounted between the arm and the bucket link, a breaker swing locking means (11) for locking the breaker main body such that it does not swing relative to the arm or releasing the locking, and a bucket swing locking means (21) for locking the bucket such that it does not swing relative to the breaker main body or releasing the locking.
摘要翻译：一种具有断路器的工作机，包括具有行进单元（1）的车身（2），可垂直摆动地安装在车体上的悬臂（4），纵向可摆动地安装在起重臂上的臂（6），断路器主体（12），其相对于所述臂纵向可摆动地安装，并且具有可移除地安装在其上的凿子（22），纵向可摆动地安装在所述断路器主体的前端部上的铲斗（15），纵向可摆动地安装在断路器主体的前端部分，连接到铲斗线和铲斗的推连杆（17），安装在臂和铲斗连杆之间的用于铲斗的桶（20），断路器摆动锁定装置（11）用于锁定断路器本体，使得其不相对于臂摆动或释放锁定;以及铲斗摆动锁定装置（21），用于锁定铲斗，使得其不相对于断路器主体摆动或释放锁定。

10. 发明申请

WO1998017913A1 HYDRAULIC PUMP/MOTOR APPARATUS 审中-公开
标题翻译：液压泵/电机设备
公开(公告)号：WO1998017913A1
公开(公告)日：1998-04-30
申请号：PCT/JP1997003857
申请日：1997-10-23
申请人： KOMATSU LTD. , MARUTA, Kazuhiro , ISHIZAKI, Naoki , ENDO, Hiroshi , YOSHIDA, Nobumi
发明人： KOMATSU LTD.
IPC分类号： F04B01/24
CPC分类号： F04B1/24 , F04B1/303 , G10L2015/223
摘要： A plurality of chambers (18 and 19) whose capacities are increased and reduced by the reciprocal motions of pistons (16 and 17) are provided. A cylinder block (5) which is provided in a housing (3) and is rotatable together with a shaft (4) along a valve plate (8) and whose rotation causes the respective pistons to perform contraction motions from the top dead centers to the bottom dead centers and perform expansion motions from the bottom dead centers to the top dead centers, a 1st kidney port (30) and a 4th kidney port (41) which are provided in the valve plate (8) in a region on one of the sides (left or right) of the straight line (X) connecting the top dead center and the bottom dead center and a 3rd kidney port (40) and a 2nd kidney port (31) which are provided in the valve plate (8) in a region on the other side (right or left ) of the straight line (X) are included in a hydraulic pump/motor apparatus. Some of the chambers are successively made to communicate with the 1st kidney port and the 2nd kidney port by the rotation of the cylinder block to constitute a 1st pump/motor of the hydraulic pump/motor and the other of the chambers are successively made to communicate with the 3rd kidney port and the 4th kideny port by the rotation of the cylinder block to constitute a 2nd pump/motor.
摘要翻译：提供了通过活塞（16和17）的往复运动来增加和减小容量的多个腔室（18和19）。一种气缸体（5），其设置在壳体（3）中并且沿着阀板（8）与轴（4）一起旋转，并且其旋转使各活塞从上死点到第下死点，并从下死点到上死点进行膨胀运动，第一肾口（30）和第四肾口（41），其设置在阀板（8）中的一个连接上止点和下死点的直线（X）的侧面（左侧或右侧）和设置在阀板（8）中的第三肾口（40）和第二肾口（31）直线（X）的另一侧（右侧或左侧）的区域被包括在液压泵/电动机装置中。一些腔室依次通过气缸体的旋转而与第一肾口和第二肾口连通，构成液压泵/马达的第一泵/马达，并且另一个腔室依次进行连通通过气缸体的旋转与第三肾口和第四个小腿口组成第二个泵/马达。

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