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公开(公告)号：US20220074171A1
公开(公告)日：2022-03-10
申请号：US17451914
申请日：2021-10-22
发明人： Takeya IZUMIKAWA , Takaaki MORIMOTO , Atsushi NAKAYAMA , Keiichi TSUJI , Yusuke SATO , Takashi UMEDA
摘要： A display device is provided. The display device displays an image captured by a first camera of a plurality of cameras, the captured image representing a situation around a shovel, and when a predetermined object is detected within an imaging range of a second camera that is different from the first camera, the display device displays an image representing that the predetermined object is detected outside a range of the displayed captured image of the first camera.
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公开(公告)号：US20220010530A1
公开(公告)日：2022-01-13
申请号：US17448964
申请日：2021-09-27
发明人： Takashi YAMAMOTO
IPC分类号： E02F9/22
摘要： A shovel includes a lower traveling body, an upper turning body turnably mounted on the lower traveling body, an attachment including a boom and an arm, a boom cylinder configured to drive the boom, an arm cylinder configured to drive the arm, a hydraulic pump configured to supply hydraulic oil to the boom cylinder and the arm cylinder, an input device configured to receive an input from a user, and a control device configured to control the hydraulic pump. The boom is attached to the upper turning body, and the arm is attached to a tip of the boom. When a predetermined work mode for performing hoisting work involving use of the attachment is selected in response to the input received by the input device, the control device sets a standby flow rate of the hydraulic pump to be greater than when the predetermined work mode is not selected.
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公开(公告)号：US20220010529A1
公开(公告)日：2022-01-13
申请号：US17448970
申请日：2021-09-27
发明人： Kiminori SANO , Ryuji SHIRATANI
IPC分类号： E02F9/22
摘要： A shovel includes a lower traveling structure, an upper swing structure swingably mounted on the lower traveling structure, an engine mounted on the upper swing structure, a first hydraulic pump and a second hydraulic pump each configured to be driven by the engine, a first regulator configured to control the first geometric displacement of the first hydraulic pump, a second regulator configured to control the second geometric displacement of the second hydraulic pump, and processing circuitry configured to electrically control the first and second regulators. Each of the first and second hydraulic pumps is an electrically controlled variable displacement hydraulic pump. The processing circuitry is configured to calculate the limit value of the first and second geometric displacements based on the respective discharge pressures of the first and second hydraulic pumps, and to control each of the first and second geometric displacements based on the calculated limit value.
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公开(公告)号：US20220010527A1
公开(公告)日：2022-01-13
申请号：US17448972
申请日：2021-09-27
发明人： Jitsutaka TAKEO , Manabu ITO
摘要： An excavator including a lower traveling body; an upper turning body turnably mounted to the lower traveling body; a work attachment attached to the upper turning body; an imaging device mounted to the upper turning body; a hydraulic actuator; a hydraulic pump configured to supply hydraulic oil to the hydraulic actuator; an electric motor configured to drive the hydraulic pump; an operation device of an electric type configured to operate the hydraulic actuator; and a control device configured to control the electric motor, wherein in response to determining that the operation device is not operated, the control device causes the hydraulic pump to automatically stop, and subsequently, in response to determining that an operation with respect to the operation device is started, the control device causes the hydraulic pump to be automatically activated.
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公开(公告)号：US20220002974A1
公开(公告)日：2022-01-06
申请号：US17448401
申请日：2021-09-22
发明人： Daisuke TAGAMI
摘要： A shovel includes an undercarriage, an upper slewing structure which is rotatably mounted on the undercarriage, a boom attached to the upper slewing structure, an arm attached to a tip end of the boom, an auxiliary attachment attached to a tip end of the arm, a main pump configured to supply a hydraulic oil to the auxiliary attachment and other hydraulic actuators, and a controller. The controller performs a setting related to a flow rate of the main pump at a time of a combined operation in which the auxiliary attachment and the other hydraulic actuators are operated simultaneously.
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公开(公告)号：US20210301498A1
公开(公告)日：2021-09-30
申请号：US17210770
申请日：2021-03-24
发明人： Minoru OKUYAMA , Ryou MATSUKI , Masaki MAKINO
摘要： A work machine includes an elevating cab and processing circuitry. The processing circuitry is configured to detect the position of the elevating cab and to maintain a travel speed at low speed when a traveling operation is performed while the detected position of the elevating cab is higher than a predetermined height.
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公开(公告)号：US20210148088A1
公开(公告)日：2021-05-20
申请号：US17158268
申请日：2021-01-26
发明人： Takuma SEKI
摘要： A shovel includes a lower traveling structure, an upper swing structure mounted on the lower traveling structure via a swing mechanism, an image capturing device attached to the upper swing structure to capture an image of an area surrounding the upper swing structure, and a display device. The display device is configured to display the image captured by the image capturing device such that distortion in a part of an edge of the upper surface of the upper swing structure is reduced compared with distortion in another part in the image.
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公开(公告)号：US20210087794A1
公开(公告)日：2021-03-25
申请号：US17116200
申请日：2020-12-09
发明人： Takashi YAMAMOTO
摘要： An excavator includes a lower traveling structure, an upper swing structure swingably mounted on the lower traveling structure, an attachment attached to the upper swing structure, a display device, and a hardware processor. The display device is configured to display multiple ranges including a first range and a second range lower in stability degree than the first range in the working range of the attachment such that the multiple ranges are distinguishable. The hardware processor is configured to determine a setting with respect to the multiple ranges.
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公开(公告)号：US20210010233A1
公开(公告)日：2021-01-14
申请号：US17030805
申请日：2020-09-24
发明人： Ko OGATA
摘要： A construction machine includes a cabin, an operator seat provided in the cabin, a seat right side console provided on the right side of an operator to be seated in the operator seat, and extending along a front-to-back direction of the operator seat, a right operating lever provided at the front of the seat right side console, a switch panel provided on the seat right side console, and a right armrest extending from the back side toward the front of the operator seat, and placed above the seat right side console. The switch panel is placed between the right armrest and the right operating lever.
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公开(公告)号：US20210009038A1
公开(公告)日：2021-01-14
申请号：US17036364
申请日：2020-09-29
发明人： Akira SAKAKIBARA , Nobuyuki BABA
摘要： A road machine includes a hopper, a screed, a measuring unit configured to measure an amount of pavement material inside the hopper or pavement material held in front of the screed, and a display device disposed in an operator's seat and configured to display the amount of pavement material measured by the measuring unit.
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