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公开(公告)号：US11492239B2
公开(公告)日：2022-11-08
申请号：US16811180
申请日：2020-03-06
申请人： Oshkosh Corporation
发明人： Prabhu Shankar , Louis Bafile , Jihong Hao , Eko Prasetiawan , Scott Riley , David Lombardo
摘要： A fully electric lift device includes a base assembly, a lift assembly, a platform assembly, tractive elements, an energy storage device, and a control system. The lift assembly is coupled with the base assembly and is driven by an electric linear actuator for a lifting function. The platform assembly is positioned at a top of the lift assembly and can be raised or lowered as the lift assembly performs the lifting function. The tractive elements are rotatably coupled with the base assembly and can be driven by an electric wheel motor to perform a driving function. The control system includes a controller that operates the electric wheel motor and the electric linear actuator to perform the driving function and the lifting function using power drawn from the energy storage device. The lift assembly and the tractive elements use only electrical energy to perform the lifting and driving functions.
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公开(公告)号：US11014796B2
公开(公告)日：2021-05-25
申请号：US16811196
申请日：2020-03-06
申请人： Oshkosh Corporation
发明人： Louis Bafile , David Lombardo , Jihong Hao , Brendan Kotlanger , Paul Acuri
摘要： A lift device includes a base, a retractable lift mechanism, a work platform, and a lift controller. The retractable lift mechanism is moveable between an extended position and a retracted position. The work platform is configured to support a load and is coupled to and supported by the retractable lift mechanism. The linear actuator is configured to selectively move the retractable lift mechanism between the extended position and the retracted position. The linear actuator has an electric motor and an electromagnetic brake. The lift controller is in communication with the linear actuator and is configured to determine the load supported by the work platform based on the actuator force applied to the work platform and the height of the work platform.
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公开(公告)号：US20230286792A1
公开(公告)日：2023-09-14
申请号：US18200171
申请日：2023-05-22
申请人： Oshkosh Corporation
发明人： Louis Bafile
CPC分类号： B66F17/006 , B66F11/042 , F16H25/2472
摘要： A scissor lift includes a base, a platform configured to support a load, a lift assembly having a first end coupled to the base and a second end coupled to the platform, and a linear actuator coupled to the lift assembly and configured to extend to raise the platform relative to the base. The lift assembly includes a series of support members that are pivotally coupled to one another. The linear actuator includes a screw, a nut engaging the screw, and an electric motor configured to drive rotation of the screw relative to the nut to control extension of the linear actuator.
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公开(公告)号：US20220371864A1
公开(公告)日：2022-11-24
申请号：US17881322
申请日：2022-08-04
申请人： Oshkosh Corporation
发明人： Prabhu Shankar , Louis Bafile , Jihong Hao , Eko Prasetiawan , Scott Riley , David Lombardo
摘要： A fully electric lift device includes a base assembly, a lift assembly, a platform assembly, tractive elements, an energy storage device, and a control system. The lift assembly is coupled with the base assembly and is driven by an electric linear actuator for a lifting function. The platform assembly is positioned at a top of the lift assembly and can be raised or lowered as the lift assembly performs the lifting function. The tractive elements are rotatably coupled with the base assembly and can be driven by an electric wheel motor to perform a driving function. The control system includes a controller that operates the electric wheel motor and the electric linear actuator to perform the driving function and the lifting function using power drawn from the energy storage device. The lift assembly and the tractive elements use only electrical energy to perform the lifting and driving functions.
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公开(公告)号：US20210276850A1
公开(公告)日：2021-09-09
申请号：US17328885
申请日：2021-05-24
申请人： Oshkosh Corporation
发明人： David Lombardo , Eko Prasetiawan , Louis Bafile
摘要： A lift device comprises a base, a retractable lift mechanism, a work platform, a linear actuator, and a lift controller. The retractable lift mechanism has a first end coupled to the base and is moveable between an extended position and a retracted position. The work platform is coupled to and supported by a second end of the retractable lift mechanism. The linear actuator is configured to selectively move the retractable lift mechanism between the extended position and the retracted position. The linear actuator comprises a central screw rod, an electric motor configured to provide rotational actuation to the central screw rod, and a nut assembly configured to translate the rotational actuation of the central screw rod into linear motion. The lift controller is configured to receive a lift command from an operator, monitor at least one lift characteristic associated with the linear actuator, and selectively inhibit the lift command.
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公开(公告)号：US11802031B2
公开(公告)日：2023-10-31
申请号：US17881322
申请日：2022-08-04
申请人： Oshkosh Corporation
发明人： Prabhu Shankar , Louis Bafile , Jihong Hao , Eko Prasetiawan , Scott Riley , David Lombardo
CPC分类号： B66F3/44 , B66F11/048 , B60S9/21
摘要： A fully electric lift device includes a base assembly, a lift assembly, a platform assembly, tractive elements, an energy storage device, and a control system. The lift assembly is coupled with the base assembly and is driven by an electric linear actuator for a lifting function. The platform assembly is positioned at a top of the lift assembly and can be raised or lowered as the lift assembly performs the lifting function. The tractive elements are rotatably coupled with the base assembly and can be driven by an electric wheel motor to perform a driving function. The control system includes a controller that operates the electric wheel motor and the electric linear actuator to perform the driving function and the lifting function using power drawn from the energy storage device. The lift assembly and the tractive elements use only electrical energy to perform the lifting and driving functions.
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公开(公告)号：US20230264931A1
公开(公告)日：2023-08-24
申请号：US18111673
申请日：2023-02-20
申请人： Oshkosh Corporation
发明人： Dale Tressler , Mark Neubauer , Prabhu Shankar , Michael Buhidar , Alex Dilello , Marcel Amsallen , Kurtis Thrush , Louis Bafile , Matthew Gilbride
CPC分类号： B66F9/0655 , B66F9/12 , B66F9/22
摘要： A lift vehicle includes a chassis, an implement, a lift arm coupling the implement to the chassis, a load sensor, a tilt sensor, and a controller. The lift arm includes an actuator configured to selectively extend the lift arm and a length sensor configured to provide data relating to a length of the lift arm. The load sensor can provide data relating to a load at the implement. The tilt sensor can provide data relating to an angular orientation of the chassis relative to a reference plane. The controller can receive data from the length sensor, the load sensor, and the tilt sensor. The controller can determine, based on the data from the load sensor and the tilt sensor, an operating envelope for the lift arm. The operating envelope can include a maximum extension of the lift arm. The controller can selectively limit an operation of the lift arm such that the lift arm operates within the operating envelope.
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公开(公告)号：US11148922B2
公开(公告)日：2021-10-19
申请号：US16811659
申请日：2020-03-06
申请人： Oshkosh Corporation
发明人： David Lombardo , Eko Prasetiawan , Louis Bafile
摘要： A lift device comprises a base, a retractable lift mechanism, a work platform, a linear actuator, and a lift controller. The base has a plurality of wheels. The retractable lift mechanism has a first end coupled to the base and is moveable between an extended position and a retracted position. The work platform is configured to support a load. The work platform is coupled to and supported by a second end of the retractable lift mechanism. The linear actuator is configured to selectively move the retractable lift mechanism between the extended position and the retracted position. The lift controller is configured to monitor at least one lift characteristic associated with the linear actuator and to determine whether an actuator failure has been detected based on the at least one lift characteristic associated with the linear actuator.
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公开(公告)号：US12054372B2
公开(公告)日：2024-08-06
申请号：US18200171
申请日：2023-05-22
申请人： Oshkosh Corporation
发明人： Eko Prasetiawan , Louis Bafile , Prabhu Shankar
CPC分类号： B66F17/006 , B66F11/042 , F16H2025/2081 , F16H25/2204 , F16H25/2472
摘要： A scissor lift includes a base, a platform configured to support a load, a lift assembly having a first end coupled to the base and a second end coupled to the platform, and a linear actuator coupled to the lift assembly and configured to extend to raise the platform relative to the base. The lift assembly includes a series of support members that are pivotally coupled to one another. The linear actuator includes a screw, a nut engaging the screw, and an electric motor configured to drive rotation of the screw relative to the nut to control extension of the linear actuator.
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公开(公告)号：US20230416061A1
公开(公告)日：2023-12-28
申请号：US18244996
申请日：2023-09-12
申请人： Oshkosh Corporation
发明人： Prabhu Shankar , Louis Bafile , Jihong Hao , Eko Prasetiawan , Scott Riley , David Lombardo
CPC分类号： B66F3/44 , B66F11/048 , B60S9/21
摘要： A fully electric lift device includes a base assembly, a lift assembly, a platform assembly, tractive elements, an energy storage device, and a control system. The lift assembly is coupled with the base assembly and is driven by an electric linear actuator for a lifting function. The platform assembly is positioned at a top of the lift assembly and can be raised or lowered as the lift assembly performs the lifting function. The tractive elements are rotatably coupled with the base assembly and can be driven by an electric wheel motor to perform a driving function. The control system includes a controller that operates the electric wheel motor and the electric linear actuator to perform the driving function and the lifting function using power drawn from the energy storage device. The lift assembly and the tractive elements use only electrical energy to perform the lifting and driving functions.
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