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公开(公告)号：US20210010241A1
公开(公告)日：2021-01-14
申请号：US17036326
申请日：2020-09-29
发明人： Takashi NISHI
摘要： A shovel includes a lower traveling body, an upper swiveling body that is mounted on the lower traveling body so as to be able to swivel, a traveling actuator that drives the lower traveling body, and a control device that is provided in the upper swiveling body, wherein the control device operates the traveling actuator based on information about a target position.
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公开(公告)号：US20210002863A1
公开(公告)日：2021-01-07
申请号：US17025169
申请日：2020-09-18
发明人： Sou SAKUTA , Takeya IZUMIKAWA
摘要： A shovel includes a lower traveling body, an upper turning body turnably attached to the lower traveling body, an actuator mounted on the lower traveling body or the upper turning body, and a controller configured to set a prohibited area for an obstacle located in a work area and restrict movement of the actuator. The controller determines whether the shovel has entered the prohibited area, and slows or stops movement of the shovel in response to determining that the shovel enters the prohibited area.
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公开(公告)号：US12116751B2
公开(公告)日：2024-10-15
申请号：US17448910
申请日：2021-09-27
发明人： Ryuji Shiratani , Tomoki Kurokawa
CPC分类号： E02F3/439 , B60Q9/00 , E02F3/32 , E02F9/262 , E02F9/2235 , E02F9/2285 , E02F9/2292 , E02F9/2296
摘要： A shovel includes a lower traveling body, an upper turning body turnably mounted on the lower traveling body, an attachment attached to the upper turning body, an attachment actuator configured to move the attachment, and processing circuitry configured to assist an operator so that a level difference between two adjacent finished surfaces becomes equal to or less than a predetermined value.
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公开(公告)号：US20240287764A1
公开(公告)日：2024-08-29
申请号：US18639521
申请日：2024-04-18
发明人： Takashi YAMAMOTO
IPC分类号： E02F9/22
CPC分类号： E02F9/2221
摘要： A shovel includes a lower traveling body, an upper swing body swingably mounted on the lower traveling body, a motor mounted on the upper swing body, a hydraulic pump driven by the motor, and processing circuitry configured to control the discharge flow rate of the hydraulic pump in accordance with a flow rate control characteristic that is preset. The flow rate control characteristic is a characteristic indicating a correspondence between the displacement of the hydraulic pump and a negative control pressure. The flow rate control characteristic includes a first flow rate control characteristic adopted when the motor rotates at a first rotational speed and a second flow rate control characteristic adopted when the motor rotates at a second rotational speed lower than the first rotational speed.
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公开(公告)号：US20240271392A1
公开(公告)日：2024-08-15
申请号：US18476801
申请日：2023-09-28
CPC分类号： E02F9/225 , B62D11/04 , E02F9/02 , E02F9/2004 , E02F9/2025 , E02F9/2228 , E02F9/2235 , E02F9/2285 , E02F9/2296 , E02F9/2292
摘要： An excavator includes: a traveling lower body including left and right crawlers; a revolving upper body on the traveling lower body, to be capable of revolving; hydraulic motors to drive the crawlers; left and right traveling operation device to drive the hydraulic motors; a hydraulic pump to supply hydraulic oil to the hydraulic motors; and a detector to detect states of the traveling operation devices. The excavator causes the detector to detect whether there is a predetermined difference between amounts of operations of the left and right traveling operation devices, and upon detecting the predetermined difference between the amounts of operations of the left and right traveling operation devices, suppresses an amount of change in a command value related to a flow rate of the hydraulic oil discharged by the hydraulic pump.
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公开(公告)号：US12054919B2
公开(公告)日：2024-08-06
申请号：US17452115
申请日：2021-10-25
发明人： Keiichi Tsuji , Takaaki Morimoto , Yusuke Sato
摘要： A shovel includes a lower traveling body; an upper turning body turnably mounted on the lower traveling body; a work attachment attached to the upper turning body; a detecting part provided to the upper turning body and configured to detect a predetermined object around the shovel; and a notification part configured to provide a notification to surroundings of the shovel in response to detection of the predetermined object by the detecting part. The notification part determines whether to provide the notification to the surroundings of the shovel in response to the detection of the predetermined object by the detecting part.
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公开(公告)号：US12018460B2
公开(公告)日：2024-06-25
申请号：US17448407
申请日：2021-09-22
发明人： Kiminori Sano , Ryuji Shiratani
CPC分类号： E02F9/2246 , E02F9/2296 , E02F9/2029
摘要： An excavator may include a lower traveling body; an upper turning body pivotally installed to the lower traveling body; an engine installed in the upper turning body; a main pump driven by the engine; and a processor and a memory that stores program instructions causing the processor to control a flow rate of hydraulic oil discharged by the main pump. The program instructions can cause the processor to, when a load of the engine increases, delay a response of the main pump 14 until an actual torque of the engine rises up to a level corresponding to the load of the engine.
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公开(公告)号：US11913194B2
公开(公告)日：2024-02-27
申请号：US17030822
申请日：2020-09-24
发明人： Sou Sakuta
CPC分类号： E02F9/2033 , E02F9/2246
摘要： A shovel includes an undercarriage, an upper swing structure swingably mounted on the undercarriage, an object detector provided on the upper swing structure, and a hardware processor configured to automatically braking a drive part of the shovel according to a predetermined braking pattern, in accordance with a distance between the shovel and an object, the distance being detected by the object detector.
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公开(公告)号：US20240035257A1
公开(公告)日：2024-02-01
申请号：US18468008
申请日：2023-09-15
发明人： Takashi UMEDA
CPC分类号： E02F9/262 , E02F9/2033
摘要： An assisting device for a construction machine that provides assistance on work performed by the construction machine includes a processor; and the processor may acquire feature data which is data concerning a position of a predetermined feature existing at a construction site based on an output from a space recognition device; and associate, based on the feature data, position information with respect to the construction site with data concerning the position of the feature to generate combined data, the position information with respect to the construction site being determined in a coordinate reference system that is different from a coordinate system with respect to a shovel.
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公开(公告)号：US20240018749A1
公开(公告)日：2024-01-18
申请号：US18476727
申请日：2023-09-28
发明人： Tomoyuki FUJIKAWA
IPC分类号： E02F9/26 , G06F3/04847
CPC分类号： E02F9/26 , G06F3/04847 , E02F9/2285
摘要： A shovel includes a lower traveling body; an upper swinging body swingably mounted on the lower traveling body; an operator's cab mounted on the upper swinging body; a display device provided in the operator's cab; and a processor configured to cause the display device to display information about custom setting before a start of operation of the shovel.
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