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公开(公告)号：EP4455491A1
公开(公告)日：2024-10-30
申请号：EP23784549.0
申请日：2023-02-21
申请人： Komatsu Ltd.
发明人： NAITO, Shinichi
IPC分类号： F15B21/041 , G01N21/17
摘要： A transmission (1) provided with a housing (2) including a tank (10), an oil supply channel (3) attached to the housing (2), and a visualization sensor (4). The tank (10) has a strainer (13) disposed inside a second space (12) that communicates with a first space (11), and a partition wall (14) disposed between the first space (11) and the second space (12) and extending downward from above. The visualization sensor (4) recognizes segments (S 1, S2) located downward of the partition wall (14).
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2.发明公开
公开(公告)号：EP4350084A1
公开(公告)日：2024-04-10
申请号：EP22828075.6
申请日：2022-04-28
申请人： Komatsu Ltd.
发明人： SHIBATA, Sosuke
摘要： A headlight (21, 22) irradiates the front of a machine body (2) with light. A work implement (3) has a part located in front of the machine body (2). A controller (30) adjusts reflected light that is reflected by the work implement (3) by emission of the light from the headlight (21, 22), on the basis of work implement information regarding at least one of an attitude of the work implement (3) and an attitude change of the work implement (3) to perform antiglare.
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公开(公告)号：EP4317608A1
公开(公告)日：2024-02-07
申请号：EP22804547.2
申请日：2022-05-09
申请人： Komatsu Ltd.
摘要： In a work machine driven by an operator to perform cycle work for repeating a series of work modes, a display device displays, for each of the work modes, an actual value relating to driving evaluation of the work machine and a target value relating to driving evaluation set for each of the work modes.
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公开(公告)号：EP4290020A1
公开(公告)日：2023-12-13
申请号：EP22779690.1
申请日：2022-02-24
申请人： Komatsu Ltd.
发明人： IWANAGA Yoshihiro , NOYORI Takahiro
摘要： A route search unit searches for a series having elements of a position and posture of a vehicle, which is a route for moving from an initial position to a target position of the vehicle, based on a first restriction condition representing a position of an obstacle. A restriction condition generation unit generates a second restriction condition in which a penalty value increases according to a deviation distance from the route. A track search unit searches for a series having elements of a position, posture, speed, and steering angle of the vehicle, which is a track for moving from the initial position to the target position of the vehicle, based on the second restriction condition.
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公开(公告)号：EP4230808A1
公开(公告)日：2023-08-23
申请号：EP21900342.3
申请日：2021-11-01
申请人： Komatsu Ltd.
摘要： A work vehicle includes a power source, a travel device that includes a clutch capable of adjusting a degree of engagement between the power source and a transmission, and travels on a basis of power transmitted from the power source, working equipment, a drive device that operates the working equipment on a basis of power transmitted from the power source, and a control device that outputs a control command for controlling the degree of engagement of the clutch on a basis of a state of the working equipment.
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公开(公告)号：EP4194616A1
公开(公告)日：2023-06-14
申请号：EP21897760.1
申请日：2021-11-12
申请人： Komatsu Ltd.
发明人： YOKOTA Yuji , OHKI Shinjirou , KOBAYASHI Takaya
IPC分类号： E02F9/16 , B62D33/067
摘要： This cab support structure includes a mount device provided on a vehicle body frame; and a connecting mechanism that connects a cab provided above the vehicle body frame via the mount device to the vehicle body frame to be rotatable between a seated position and a tilt position, wherein the connecting mechanism includes a connecting shaft that is connected to the mount device and extends in a horizontal direction, a displacement allowing member connected to the vehicle body frame, and an interlocking member that is connected to the cab and is rotatable in interlock with rotation of the cab, wherein the displacement allowing member has a displacement allowing hole that allows displacement of the connecting shaft in a vertical direction and allows rotation of the connecting shaft between the seated position and the tilt position, and wherein the interlocking member has a displacement allowing portion that allows displacement of the connecting shaft in the vertical direction at the seated position, and a displacement restricting portion that restricts downward displacement of the connecting shaft at the tilt position.
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公开(公告)号：EP4166727A1
公开(公告)日：2023-04-19
申请号：EP21874865.5
申请日：2021-07-19
申请人： Komatsu Ltd.
发明人： OKABE, Kazuyoshi , KITAO, Shinichi , TAKENO, Akira
摘要： This wheel loader (1) comprises a vehicle body (1), a rearward detecting section (71), and a controller (26). The vehicle body (1) includes a vehicle body frame (2), front tires (4), rear tires (7), and a work implement (3) disposed in front of the vehicle body frame (2). The rearward detecting section (71) detects an obstacle (S) when traveling in reverse due to the driving of the vehicle body frame (2), the front tires (4), and the rear tires (7). The controller (26) determines to validate or invalidate a first control according to the detection of an obstacle (S), the state of traveling in reverse, and the state of scooping work by the work implement (3), and validates the first control based on the scooping work state while the first control is invalidated.
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公开(公告)号：EP4053345A1
公开(公告)日：2022-09-07
申请号：EP20900895.2
申请日：2020-12-02
申请人： Komatsu Ltd.
发明人： YAMAWAKI, Shota
摘要： A boom (15) is attached to a machine main body. A bucket (14) is attached to the boom (15). A boom cylinder (18) is attached to the machine main body and drives the boom (15). A bucket cylinder (19) is attached to the machine main body and drives the bucket (14) with respect to the boom (15). A controller (50) calculates a mass (M2) of a load within the bucket (14) based on boom cylinder force (F boom ) and bucket cylinder force (Fbucket).
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公开(公告)号：EP4030001A1
公开(公告)日：2022-07-20
申请号：EP20905427.9
申请日：2020-12-02
申请人： Komatsu Ltd.
发明人： YAMAWAKI, Shota
摘要： A load in a bucket is accurately weighed. A work machine includes a work implement, an input receiving unit, and a controller. The work implement includes a bucket. The input receiving unit receives a weighing start input for starting to weigh the load in the bucket. When the input receiving unit receives the weighing start input, the controller determines whether an automatic weighing start condition is satisfied or not. The automatic weighing start condition includes a condition that the work implement is not performing an excavation work. When the automatic weighing start condition is satisfied, the controller controls an operation of the work implement to weigh the load in the bucket.
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公开(公告)号：EP4026956A1
公开(公告)日：2022-07-13
申请号：EP20902473.6
申请日：2020-12-02
申请人： Komatsu Ltd.
发明人： YAMAWAKI, Shota , TAKENAKA, Yuita
摘要： A running wheel (4) is attached to a machine main body. A boom (15) is attached to the machine main body. A bucket (14) is attached to the boom (15). A boom cylinder (18) is attached to the machine main body and drives the boom (15). A controller (50) calculates a mass (M2) of a load within the bucket (14) based on boom cylinder force (F boom ) of the boom cylinder (18) and a ground acceleration (ax, ay) of a wheel loader (1).
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