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公开(公告)号：US20240053766A1
公开(公告)日：2024-02-15
申请号：US18271527
申请日：2021-11-02
Applicant: Hitachi, Ltd.
Inventor： Nobuyasu KANEKAWA , Junya TAKAHASHI , Satoshi OTSUKA , Hiroyuki YAMADA
IPC: G05D1/02
CPC classification number: G05D1/0289
Abstract: The problem of ensuring safety and work efficiency for the actions of a control target is addressed in an environment in which different types of control systems coexist. A safety control server controls the actions of respective control targets in differing systems and includes an action adjustment unit that, for each control target of differing control systems, outputs to a control target an action adjustment instruction for adjusting the action of that control target when a contention occurs in which the action of that control target deviates from an assumed control result. An action plan adjustment unit, when the adjustment of the action satisfies a prescribed condition, adjusts an action plan indicating an action rule for achieving a function and avoiding a contention in a control target; and a safety rule adjustment unit adjusts a safety rule indicating an action rule for avoiding a contention in the control target.
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公开(公告)号：US20170121938A1
公开(公告)日：2017-05-04
申请号：US15300477
申请日：2014-04-09
Applicant: Hitachi, Ltd.
Inventor： Hiroyuki YAMADA , Takamasa KAI
CPC classification number: E02F9/205 , E02F3/32 , E02F9/166 , E02F9/2012 , E02F9/26 , G05D1/005 , G05D1/0276 , G05D2201/0202
Abstract: Provided is a remote control system which controls a work machine from a remote place in order to improve safety and workability and to reduce fatigue of an operator. In the remote control system which controls the work machine from a remote place, a seat where the operator sits is driven to be inclined in conjunction with the machine, so that inclination information of the machine at the time of traveling is provided to the operator to be sensible and the safety and the workability are improved. On the other hand, a large inclined vibration caused by the work of the machine is not transferred to the operator since an inclination amount of the seat is kept when the machine is not traveling, so that the fatigue of the operator is reduced.
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公开(公告)号：US20160160825A1
公开(公告)日：2016-06-09
申请号：US15041874
申请日：2016-02-11
Applicant: Hitachi, Ltd.
Inventor： Satoshi USUI , Hiroyuki YAMADA , Kenichiro TOKUO , Toru ONOSE , Masami ABE
CPC classification number: F04B49/03 , F02M59/025 , F02M59/102 , F02M59/366 , F02M59/367 , F02M59/462 , F02M63/005 , F04B7/02 , F04B17/05 , F04B19/22 , F04B49/035 , F04B49/08 , F04B53/10 , F04B53/1002 , F04B53/1017 , F04B53/1087 , F04B53/14 , F04B53/16
Abstract: A high-pressure fuel pump includes a pressurizing chamber for pressurizing fuel, an outlet valve for discharging the fuel pressurized in the pressurizing chamber to an outlet passage, a relief passage for connecting the outlet passage located downstream of the outlet valve and the pressurizing chamber with each other while bypassing the outlet valve. A relief valve device is provided in the relief passage and adapted to open when an internal pressure of the outlet passage becomes higher than that of the pressurizing chamber, thereby providing communication between the outlet passage and the pressurizing chamber. The relief valve includes a relief spring mechanism for pressing a relief valve to a relief valve seat. At least the relief spring mechanism among members of the relief valve device is provided outside the pressurizing chamber in the pump body.
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公开(公告)号：US20130280112A1
公开(公告)日：2013-10-24
申请号：US13926222
申请日：2013-06-25
Applicant: HITACHI, LTD.
Inventor： Satoshi USUI , Hiroyuki YAMADA , Kenichiro TOKUO , Toru ONOSE , Masami ABE
IPC: F04B53/06
CPC classification number: F02M59/46 , F02M59/025 , F02M59/102 , F02M59/366 , F02M59/367 , F02M59/462 , F02M63/005 , F04B7/02 , F04B19/22 , F04B49/03 , F04B49/08 , F04B53/10 , F04B53/1002 , F04B53/1017 , F04B53/1087 , F04B53/14 , F04B53/16
Abstract: A high-pressure fuel pump includes a pressurizing chamber for pressurizing fuel, an outlet valve for discharging the fuel pressurized in the pressurizing chamber to an outlet passage, a relief passage for connecting the outlet passage located downstream of the outlet valve and the pressurizing chamber with each other while bypassing the outlet valve. A relief valve device is provided in the relief passage and adapted to open when an internal pressure of the outlet passage becomes higher than that of the pressurizing chamber, thereby providing communication between the outlet passage and the pressurizing chamber. The relief valve includes a relief spring mechanism for pressing a relief valve to a relief valve seat. At least the relief spring mechanism among members of the relief valve device is provided outside the pressurizing chamber in the pump body.
Abstract translation: 高压燃料泵包括用于对燃料加压的加压室，用于将在加压室中加压的燃料排出到出口通道的出口阀，用于将位于出口阀下游的出口通道与加压室连接的排放通道， 彼此绕过出口阀。 安全阀装置设置在排泄通道中，适于在出口通道的内部压力高于加压室的压力时打开，从而在出口通道和加压室之间提供连通。 安全阀包括用于将安全阀按压到安全阀座的释放弹簧机构。 至少安全阀装置的构件之间的释放弹簧机构设置在泵体内的加压室的外部。
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公开(公告)号：US20180189165A1
公开(公告)日：2018-07-05
申请号：US15740242
申请日：2015-10-26
Applicant: HITACHI, LTD.
Inventor： Hiroyuki YAMADA , Hirokazu TANIYAMA , Masashi NAKAOKA , Masatoshi YOSHIDA , Yuki SHIMIZU
CPC classification number: G06F11/362 , G06F9/44536 , G06F11/00 , G06F11/28 , G06F11/3664
Abstract: In testing a component-set whole process which includes a plurality of components and in which the order of execution of the plurality of components is defined, a computer system exports, to a storage resource, an input package for at least one component to be executed. Each of the plurality of components is a module of a significant process as a set of one or more processing steps and independent of any other components. Each input package includes an input value of a component that corresponds to the input package. The computer system imports an exported input package of a component to be debugged into the component to be debugged in order to execute the component to be debugged, without executing a component the order of which precedes the order N (where N is a natural number) of the component to be debugged.
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Patent Agency Ranking
公开(公告)号：US20250046211A1
公开(公告)日：2025-02-06
申请号：US18718531
申请日：2022-11-15
Applicant: HITACHI, LTD.
Inventor： Hiroyuki YAMADA , Yuto IMANISHI , Go SAKAYORI
IPC: G09B19/00 , G06Q10/0639 , G06V40/20
Abstract: The present disclosure provides a behavior assistance device which improves the autonomy and skill level of a person in question and assists in the behavior of the person in question, so as to prevent a degradation in overall efficiency even when the assistance for the behavior of the person in question is no longer available. A behavior assistance device, which assists in the behavior of a person in question according to the surrounding environment of the person in question, comprises a learning unit, a prediction unit, and a behavior assistance unit. The learning unit learns environmental information pertaining to the environment and behavioral information pertaining to the behavior of the person in question for the environment, and generates a behavior model of the person in question. The prediction unit generates a prediction behavior of the person in question on the basis of the behavior model and the environmental information. The behavior assistance unit generates behavior assistance information for the person in question according to a matching degree between an optimal behavior of the person in question based on the environmental information and the prediction behavior of the person in question.
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公开(公告)号：US20180203873A1
公开(公告)日：2018-07-19
申请号：US15743584
申请日：2016-01-27
Applicant: HITACHI, LTD.
Inventor： Hiroki YUZAWA , Yuki SHIMIZU , Daisuke MIYAZAKI , Hiroyuki YAMADA
IPC: G06F17/30
CPC classification number: G06F16/176 , G06F3/0604 , G06F3/0631 , G06F3/067 , G06F16/13 , G06F16/183 , G06F16/185
Abstract: The storage management computer according to the present invention can relatively easily configure a file sharing system for a file system. The storage management computer is provided with a calculation unit that includes at least a microprocessor and a communication interface circuit which communicates with a storage system, and the storage system is provided with a plurality of first pools for storing file data, and a plurality of second pools for storing block data corresponding to the file data. The calculation unit selects, from among the plurality of first pools, a predetermined first pool associated with one of the plurality of second pools, then selects a predetermined file system associated with the selected predetermined first pool, and configures a file sharing system for the selected predetermined file system.
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公开(公告)号：US20180073945A1
公开(公告)日：2018-03-15
申请号：US15564479
申请日：2016-03-09
Applicant: Hitachi, Ltd.
Inventor： Takamasa KAI , Hiroyuki YAMADA , Saku EGAWA
CPC classification number: G01L1/2287 , E02F9/20 , E02F9/2221 , E02F9/26 , G01G3/1408 , G01G19/083 , G01L1/2218 , G01L5/0061 , G01N3/24
Abstract: External force acting on a hydraulic excavator bucket is calculated precisely. An external force measurement system for a work machine includes a hydraulic cylinder for driving a front unit of the work machine and a plurality of strain gauges for sensing strain amounts of a cylinder rod of the hydraulic cylinder. The plurality of strain gauges are formed of at least two sets of strain gauges. The at least two sets of strain gauges are arranged to oppose each other as viewed in an axial direction of the cylinder rod. The external force measurement system includes a load calculation section that is configured to calculate a load acting on the hydraulic cylinder based on difference between the strain amounts of the strain gauges arranged to oppose each other in each set.
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公开(公告)号：US20130160583A1
公开(公告)日：2013-06-27
申请号：US13709240
申请日：2012-12-10
Applicant: Hitachi, Ltd.
Inventor： Takamasa KAI , Isao HAYASE , Hiroyuki YAMADA
IPC: F16H25/12
CPC classification number: F16H25/2261 , Y10T74/18576
Abstract: Disclosed is a roller screw including a screw shaft and a nut cage with the screw shaft inserted therein, the roller screw being adapted to convert a rotary motion of either the screw shaft or the cage into a rectilinear or linear motion of the other; the roller screw further including: a plurality of rollers, each formed to roll along a flank surface la of the screw shaft; and plurality of roller bearings, each formed to support one of the rollers so as to allow the roller to rotate. At least one of the roller bearings is retained in the case so as to move forward and backward in an axial direction of rotation of the corresponding roller supported by the roller bearing.
Abstract translation: 公开了一种滚子丝杠，其包括螺杆轴和螺母保持器，螺杆轴插入其中，滚子螺杆适于将螺杆轴或保持架的旋转运动转换为彼此的直线或直线运动; 所述滚子丝杠还包括：多个辊，每个辊被形成为沿着所述螺杆轴的侧面1a滚动; 和多个滚子轴承，每个滚子轴承各自形成为支撑一个辊，以允许辊旋转。 至少一个滚子轴承保持在壳体中，以便在由滚子轴承支撑的相应滚子的轴向旋转方向上前后移动。
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10.发明公开公开(公告)号：US20240231381A1
公开(公告)日：2024-07-11
申请号：US18558414
申请日：2022-03-07
Applicant: Hitachi, Ltd
Inventor： Hiroyuki YAMADA
IPC: G05D1/622 , G05D105/05 , G05D105/28
CPC classification number: G05D1/637 , G05D2105/05 , G05D2105/28
Abstract: A system for presenting information to a human to avoid dangers such as collisions, without hindering the respective movement of the human and an autonomous machine. The human-machine cooperative control system manages each movable region so that the human and the autonomous machine do not collide. The system comprises a moving body position measurement unit comprising at least sensor for measuring the position of moving bodies, including a human and a machine; a moving body motion prediction unit for predicting future motion of a subject moving body on the basis of a moving body position; an exclusive management unit for planning a movable region for each moving body on the basis of a planned route for the unmanned machine and a moving body predicted motion obtained from the moving body motion prediction unit; and an information presentation unit for presenting information about the movable region for the human.
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