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公开(公告)号：US20240344278A1
公开(公告)日：2024-10-17
申请号：US18134089
申请日：2023-04-13
IPC分类号： E01C23/088 , E01C23/12
CPC分类号： E01C23/088 , E01C23/127 , E01C2301/50
摘要： A method for operating an automatic liquid spray system for dust mitigation on a work machine can include receiving, with a controller, a signal from a sensor attached to a frame of the work machine. The signal can be indicative of dust around the work machine. The controller can include a location of the sensor on the frame. The method can also include sending a signal to a dust mitigation system. The signal can be indicative of the location of the sensor such that the dust mitigation system can control a liquid control module to provide liquid to a dust mitigation valve around the location of the sensor on the frame. The method can also include opening, with the dust mitigation system, the dust mitigation valve around the location of the frame around the sensor to provide liquid around the location of the sensor.
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公开(公告)号：US20240263943A1
公开(公告)日：2024-08-08
申请号：US18465845
申请日：2023-09-12
申请人： Wirtgen GmbH
IPC分类号： G01C15/00 , E01C19/00 , E01C19/42 , E01C23/088 , G01C15/06
CPC分类号： G01C15/00 , E01C19/004 , E01C19/42 , E01C23/088 , G01C15/06
摘要： A civil engineering machine has a machine control unit configured to determine data which defines the position and/or orientation of a reference point on the civil engineering machine in relation to a reference system independent of the position and orientation of the civil engineering machine. A geometrical shape to be produced on the ground is preset in either a machine control unit or a field rover control unit. The field rover is used to determine a position of at least one identifiable point of the preset geometrical shape in the independent reference system. Curve data defining a desired curve in the independent reference system, corresponding to the preset shape, is determined at least partially on the basis of the position of the at least one identifiable point of the preset geometrical shape in the independent reference system.
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公开(公告)号：US12024010B2
公开(公告)日：2024-07-02
申请号：US17699819
申请日：2022-03-21
申请人： Wirtgen GmbH
IPC分类号： B60K11/04 , E01C23/088 , E01C23/12
CPC分类号： B60K11/04 , E01C23/088 , E01C23/127
摘要： A self-propelled earth working machine includes a traveling gear, a machine frame supported by the traveling gear, a power source accommodated on the machine frame for providing power for a travel operation and/or for an earth working operation, a working apparatus accommodated on the machine frame for earth working, and a cooling device for cooling a functional device of the earth working machine. The cooling device includes at least one heat exchanger system for transferring heat from a cooling medium to air, and a ventilator system, which is on the one hand designed and situated to produce a cooling air flow passing the heat exchanger system and which is on the other hand designed and situated to produce in the area of the power source a ventilation air flow flowing away from the power source. The heat exchanger system and a ventilation volume, in which the ventilation air flow flows away from the power source, are situated on the suction side of the ventilator system, the ventilation volume being situated downstream of the heat exchanger system relative to the cooling air flow, so that the ventilation air flow generated by the ventilator system meets the cooling air flow downstream of the heat exchanger system and upstream of the ventilator system.
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公开(公告)号：US12012701B2
公开(公告)日：2024-06-18
申请号：US17453739
申请日：2021-11-05
申请人： BOMAG GMBH
发明人： Joachim Ponstein , Jerome Beilvert
IPC分类号： E01C23/088 , E01C23/12
CPC分类号： E01C23/088 , E01C23/127 , E01C2301/30
摘要： A self-propelled ground milling machine comprising a machine frame, a drive motor, a ground milling device having a milling drum arranged inside a milling drum box and rotatable about a horizontal rotation axis transverse to a forward traveling direction of the ground milling machine, front and rear travel devices, right and left lateral outer walls, and an operator platform.
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公开(公告)号：US12006642B2
公开(公告)日：2024-06-11
申请号：US18299761
申请日：2023-04-13
发明人： Christian Berning , Dieter Simons
IPC分类号： E01C23/08 , E01C23/088 , E01C23/12 , G01B5/18
CPC分类号： E01C23/088 , E01C23/127 , G01B5/18
摘要： A method is provided for measuring the milling depth of a road milling machine, the machine being operative to mill a ground surface with a milling roller lowered to a milling depth to create a milling track, the machine including at least one side plate located to at least one side of the milling roller to engage an untreated ground surface, and the machine including a stripping plate operative to be lowered onto the milling track generated by the milling roller. The method includes measuring the milling depth of the milling track, the measuring including detecting a measurement value of a ground engaging sensor engaging the milling track.
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6.发明公开公开(公告)号：US20240076840A1
公开(公告)日：2024-03-07
申请号：US18366235
申请日：2023-08-07
申请人： Wirtgen GmbH
IPC分类号： E01C23/088
CPC分类号： E01C23/088
摘要： A self-propelled earth working machine includes a machine frame, a working apparatus, at least one function apparatus, a drive system including first and second motors, a function transmission and a working transmission. The working transmission is configured to transmit torque between the drive system and the working apparatus. The working transmission connects the first motor and the second motor to the working apparatus for the transmission of torque such that the working apparatus may be driven to perform the earth working movement solely by the first motor or solely by the second motor or jointly by the first and second motors, wherein the working transmission connects the first motor to the working apparatus at a first transmission ratio and connects the second motor to the working apparatus at a second transmission ratio different from the first transmission ratio.
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公开(公告)号：US20240060250A1
公开(公告)日：2024-02-22
申请号：US17890448
申请日：2022-08-18
申请人： Wirtgen GmbH
发明人： Marcel Joisten , Stefan Abresch
IPC分类号： E01C23/088 , B02C18/16 , E01C23/12
CPC分类号： E01C23/088 , B02C18/16 , E01C23/127 , B02C2018/162
摘要： A milling attachment for a work machine includes a frame including first and second frame side walls and a frame top. The frame top includes a movable front cover portion. A first adjustable side plate has a first ground engaging portion for engaging the ground surface. A first actuator is operably associated with the first adjustable side plate for raising and lowering the first adjustable side plate relative to the first frame side wall. A first actuator extension connects the first actuator to the movable front cover portion, the first actuator extension being configured such that the movable front cover portion is moved relative to the frame when the first adjustable side plate is raised or lowered relative to the frame.
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公开(公告)号：US20230416997A1
公开(公告)日：2023-12-28
申请号：US18337548
申请日：2023-06-20
申请人： BOMAG GMBH
发明人： Rafael SCHOMAKER
IPC分类号： E01C23/088 , E01C23/12
CPC分类号： E01C23/088 , E01C23/127
摘要： A ground milling machine, in particular a road milling machine, recycler or stabilizer, for working a ground in or against a working direction, comprising a machine frame supported by travel units and having a drive motor, a milling drum rotatably mounted in a milling drum box arranged on the machine frame for removing ground material, and an extraction device for extracting dust-laden air from the milling drum box and/or a region of a conveying duct of the milled material, comprising an extraction fan and at least one extraction duct extending from the milling drum box to the extraction fan. A method for operating a dust extraction device of a ground milling machine.
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公开(公告)号：US11851832B2
公开(公告)日：2023-12-26
申请号：US17555781
申请日：2021-12-20
IPC分类号： E01C23/088 , E01C23/12 , E01C21/00
CPC分类号： E01C23/088 , E01C21/00 , E01C23/127
摘要： A machine service set position control system is used on a machine that includes a frame, traction devices connected to the frame, a power source connected to the traction devices and configured to rotate the traction devices, a drum chamber connected to the frame, a milling drum rotatably supported within the drum chamber and configured to engage with a ground surface, and a rotor drive train connected to the milling drum and configured to rotate the milling drum to mill the ground surface, the rotor drive train including a gearbox. The service set position control system is programmed to determine a position of at least the rotor drive train and selectively operate a rotor drive train actuator connected to the rotor drive train based on the determined position to move the machine into a machine service set position allowing easy access for a technician to perform service.
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公开(公告)号：US11851831B2
公开(公告)日：2023-12-26
申请号：US17444570
申请日：2021-08-06
申请人： BOMAG GMBH
发明人： Matthias Schaaf
CPC分类号： E01C23/088 , E01C23/127 , B02C21/026 , B02C2021/023 , B65G11/106 , B65G11/146 , B65G11/166
摘要： A ground milling machine, comprising a machine frame, an operator platform, a drive engine, travelling apparatuses, a milling unit, a conveying apparatus for transporting milled material from the milling unit to a discharge point with a transfer conveyor and a downstream loading conveyor, and with a material transfer apparatus arranged in a material transfer region between transfer conveyor and loading conveyor, which material transfer apparatus is configured so as to direct milled material from the transfer conveyor to the loading conveyor, the transfer conveyor and the loading conveyor each comprising a support frame, wherein the material transfer apparatus comprises a milled-material-directing transfer chute, wherein the transfer chute has a chute guide surface extending at least partially in a horizontal direction and running in an at least partially descending manner from the transfer conveyor to the loading conveyor, and wherein the transfer chute is arranged at least partially immovably with respect to the transfer conveyor, and a method of conveying milled material by means of a conveying apparatus of a ground milling machine comprising a material transfer device with a transfer chute.
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