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1. 发明授权

US11465605B2 Vehicle steering control systems and methods 有权
公开(公告)号：US11465605B2
公开(公告)日：2022-10-11
申请号：US16122094
申请日：2018-09-05
申请人： Danfoss Power Solutions, Inc.
发明人： Caleb Van De Stroet
IPC分类号： B62D5/04 , B60W10/08 , B60W10/20
摘要： According to the present disclosure, a steering system and method for a machine includes a vehicle control system configured to command steering of the machine, and a steering sensor in communication with the vehicle control system. The steering sensor is configured to detect a position of a steering actuator of the machine. The vehicle control system is configured to detect an acceleration rate of the machine and to command steering of the machine based at least in part on the position of the steering actuator and the acceleration rate of the machine.

2. 外观设计

USD956837S1 Cover plate 有权
公开(公告)号：USD956837S1
公开(公告)日：2022-07-05
申请号：US29716529
申请日：2019-12-10
申请人： DANFOSS POWER SOLUTIONS INC.
设计人： Charlie Dvorak , Wondimagegn Diress , Pavol Balco , Jeffrey C. Hansell

3. 发明授权

US11274684B2 Method for determining the health status of the hydraulic circuit arrangement 有权
公开(公告)号：US11274684B2
公开(公告)日：2022-03-15
申请号：US16292949
申请日：2019-03-05
申请人： Danfoss Power Solutions, Inc.
发明人： Molli Butler , Marcus Herrera
IPC分类号： F15B19/00 , G08B21/24 , G05B19/042
摘要： The invention relates to a method (25) of determining the health status of a hydraulic circuit arrangement comprising at least one hydraulic fluid working machine (2, 3). The health status is determined (29) using at least in part an actual temperature information (12) of the hydraulic circuit arrangement (1) that is compared to an expected temperature information (24) of the hydraulic circuit arrangement (1).

4. 发明申请

US20210317638A1 HYDRAULIC ARRANGEMENT 有权
公开(公告)号：US20210317638A1
公开(公告)日：2021-10-14
申请号：US17226303
申请日：2021-04-09
申请人： Danfoss Power Solutions Inc.
发明人： Erik Westergaard , Henrik Hauge
IPC分类号： E02F9/22 , E02F9/20
摘要： The invention relates to a method (19) of operating a hydraulic arrangement (1) including a mounting base (5), a boom (3) that is pivotably arranged on the mounting base (5), and a Z-kinematics (2) that is arranged on the boom (3). The Z-kinematics (2) tilts a tool attachment device (10), that is pivotably arranged on the boom (3). The boom (3) is moved by a lifting hydraulic piston (7) that is connected to the boom (3) and to the mounting base (5). The Z-kinematics (2) is moved by at least a tilting hydraulic piston (11) that is connected to a lever of the Z-kinematics (2) and to the mounting base (5). On application of an input control command for changing the position of the lifting hydraulic piston (7), a compensation command is automatically generated and applied to the tilting hydraulic piston (11), to essentially maintain the attitude of the tool attachment device (10). The compensation command is generated based on the input control command for the lifting hydraulic piston (7), using a mathematical model of the hydraulic arrangement (1).

5. 发明授权

US11136969B2 Cradle bearing assembly of swashplate type hydraulic axial piston unit 有权
公开(公告)号：US11136969B2
公开(公告)日：2021-10-05
申请号：US16792489
申请日：2020-02-17
申请人： DANFOSS POWER SOLUTIONS INC.
发明人： Stanislav Smolka , Jaromir Tvaruzek
IPC分类号： F04B1/2085 , F16C19/50 , F16C33/30 , F16C33/58 , B33Y80/00
摘要： A bearing assembly having an inner race, an outer race, and a plurality of rollers positioned between the inner race and the outer race. A pad is attached to the inner race and a bed is attached to the outer race. A timing mechanism is slidably mounted to the pad and the bed. Preferably the pad and bed are made of plastic and the inner race is embedded within the pad and the outer race is embedded within the bed.

6. 发明申请

US20210025140A1 AUTOMATIC TOOL TILT COMMAND SYSTEM 有权
公开(公告)号：US20210025140A1
公开(公告)日：2021-01-28
申请号：US16934116
申请日：2020-07-21
申请人： DANFOSS POWER SOLUTIONS INC.
发明人： Christian S. Daley
IPC分类号： E02F9/22 , F15B13/044
摘要： Automatic tilt command system of a hydraulically driven boom moveably connected with one end to a chassis of a working machine, wherein a tiltable tool is attachable to the other end. The system further comprises a first electronic control valve for controlling a fluid flow to and from a boom lift cylinder for moving of the boom and a second electronic control valve for controlling a fluid flow to and from a tilt cylinder for tilting the tool. A control unit receives input signals with regard to moving the boom and transmits based on the received input signals actuating signals to the first electronic control valve in order to move the boom. In parallel the control unit transmits tilting signals to the second electronic control valve which are based on a predetermined fluid flow ratio defined by the fluid flow for the boom movement and the fluid flow for tool levelling, so that the tool maintains its inclination angle with respect to the horizontal.

7. 发明申请

US20190170247A1 High Ambient Temperature Propulsion Speed Control Of A Self-Propelled Agricultural Product Applicator 审中-公开
公开(公告)号：US20190170247A1
公开(公告)日：2019-06-06
申请号：US15833089
申请日：2017-12-06
申请人： CNH Industrial America LLC , Danfoss Power Solutions Inc.
发明人： David J. Hafvenstein , Simon L. Nielsen
IPC分类号： F16H61/42 , F16H39/02 , F16H61/47
CPC分类号： F16H61/42 , A01C23/00 , A01M21/04 , B60Y2300/184 , F16H39/02 , F16H59/72 , F16H61/4192 , F16H61/47 , F16H2061/1216 , F16H2061/124
摘要： A system, apparatus and method are provided for limiting operating speed at high temperatures of a self-propelled, agricultural product applicator having a hydraulic drive system including a pump supplying pressurized hydraulic fluid to a variable-displacement hydraulic motor operatively connected for propelling the applicator. A temperature sensor detects a temperature of the pressurized hydraulic fluid in the hydraulic system. A propel controller is operatively connected between the temperature sensor and the propulsion motor and configured for limiting displacement of the propulsion motor according to one or more predetermined de-rated conditions resulting in reduced motor speed, in accordance with a predetermined schedule, when predetermined motor de-rating activation temperature limits of the hydraulic fluid are detected by the temperature sensor. The controller is further configured for providing a de-rated condition warning signal prior to limiting displacement of the propulsion motor.

8. 发明授权

US10066671B2 Bearing arrangement 有权
公开(公告)号：US10066671B2
公开(公告)日：2018-09-04
申请号：US14884925
申请日：2015-10-16
申请人： Danfoss Power Solutions, Inc.
发明人： Stephen Frantz
IPC分类号： F16C33/78 , F16C35/07 , F16C35/063 , F16C3/06 , F16C23/04 , F16C23/08 , F16C33/58 , F16C19/46 , F16C19/54
CPC分类号： F16C35/07 , F16C3/06 , F16C3/18 , F16C9/02 , F16C19/06 , F16C19/46 , F16C19/54 , F16C23/04 , F16C23/08 , F16C33/586 , F16C35/063
摘要： A bearing arrangement includes a shaft with an outer circumferential supporting surface, and a mounting device with an inner circumferential supporting surface. The mounting device supports the shaft in a rotatable manner using a bearing structure. At least one tiltable sleeve member is arranged between at least one of the supporting surfaces and the bearing structure.

9. 发明授权

US09951771B2 Selectable flow hydraulic gear pump 有权
公开(公告)号：US09951771B2
公开(公告)日：2018-04-24
申请号：US14195226
申请日：2014-03-03
申请人： DANFOSS POWER SOLUTIONS INC.
发明人： Wallace K. Snead , Thomas G. Modica , Alfred J. Permann
IPC分类号： F04C2/14 , F04C11/00 , F04C14/02 , F04C14/24 , F04B49/03 , F04C15/00 , F04C15/06
CPC分类号： F04C2/14 , F04B49/03 , F04C11/001 , F04C14/02 , F04C14/24 , F04C15/0057 , F04C15/06
摘要： A selective flow hydraulic gear pump has an integral unit with a front pump section and a rear pump section. The front pump section has a pumping gear set, gear plate, and bearing plate housing. The rear pump section has a pumping gear set, gear plate, and cover housing. The integral unit has an inlet port common to both the bearing plate housing and the cover housing. Check valves and solenoid operated control valves are contained within the bearing plate housing and the cover housing and are associated with a first fluid conduit. A second fluid conduit is in communication with and extends between the bearing plate housing an outlet port in the cover housing.

10. 发明授权

US09879667B2 Variable load sense spring setting for axial piston open circuit pump 有权
公开(公告)号：US09879667B2
公开(公告)日：2018-01-30
申请号：US14633653
申请日：2015-02-27
申请人： DANFOSS POWER SOLUTIONS INC.
发明人： Abhijit Das
IPC分类号： G06F17/11 , F04B49/06 , F04B1/26
CPC分类号： F04B49/065 , F04B1/26 , G06F17/11
摘要： A variable load sense spring setting for an axial piston open circuit having three subsystems. A backstepping control applied to the first and second subsystems to determine an operator control input and a load sense spool effective open area control input that stabilize the first and second subsystems. The calculating a feasible load sense area from the third subsystem and the control inputs.

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