Patents by Inventor Louis A. Bafile
Louis A. Bafile has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11945704Abstract: A lift device comprises a base, a retractable lift mechanism, a work platform, a linear actuator, and a descent control mechanism. 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 linear actuator has an electric motor. The descent control mechanism is configured to reduce a speed at which the retractable lift mechanism is moved from the extended position to the retracted position.Type: GrantFiled: March 6, 2020Date of Patent: April 2, 2024Assignee: Oshkosh CorporationInventors: Louis Bafile, Eko Prasetiawan
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Publication number: 20240083729Abstract: A system for modifying a load map of a worksite includes one or more processing circuits. The one or more processing circuits include one or more memory devices coupled to one or more processors. The one or more memory devices are configured to store instructions thereon that, when executed by the one or more processors, cause the one or more processors to receive a load indication regarding a load of a work machine, generate a modified load map based on the load map and the load where the modified load map includes an acceptable zone defining an acceptable load threshold and a warning zone defining a warning load threshold, receive a location indication regarding a location of the work machine on the worksite, and provide a warning when the work machine is within or approaching the warning zone.Type: ApplicationFiled: November 21, 2023Publication date: March 14, 2024Applicant: Oshkosh CorporationInventors: Robert S. Messina, Catherine Lee, Louis A. Bafile
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Publication number: 20240059539Abstract: A fully-electric lift vehicle comprises a base, a battery arranged within the base, a drive motor powered by the battery and configured to drive a wheel, a scissor lift including a first end coupled to the base, a work platform supported on a second end of the scissor lift, and a linear actuator including a DC shunt motor powered by the battery. The scissor lift is movable between an extended position and a retracted position. The linear actuator is coupled to the scissor lift so that rotation of the DC shunt motor moves the scissor lift between the extended position and the retracted position. The DC shunt motor includes a rotor and a permanent magnet, the DC shunt motor being configured to act like a generator and reduce a speed of the rotor in response to the battery being fully discharged or a power failure.Type: ApplicationFiled: November 3, 2023Publication date: February 22, 2024Applicant: Oshkosh CorporationInventors: Louis BAFILE, Eko PRASETIAWAN
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Publication number: 20240059540Abstract: A fully-electric lift vehicle comprises a base, a battery, a scissor lift movable between an extended position and a retracted position, a work platform the scissor lift, a linear actuator including an electric motor powered by the battery, an electromagnetic brake coupled to the electric motor; and a manual release coupled to the electromagnetic brake so that, in the event of a power failure, actuation of the manual release enables the scissor lift to descend toward the retracted position. The electric motor is configured to act like a generator and reduce a descent speed of the scissor lift during the descend toward the retracted position.Type: ApplicationFiled: November 2, 2023Publication date: February 22, 2024Applicant: Oshkosh CorporationInventors: Louis BAFILE, Eko PRASETIAWAN
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Publication number: 20240034608Abstract: A fully-electric lift device includes a base; a retractable lift mechanism, a work platform, an electric linear actuator configured to selectively move the retractable lift mechanism between an extended position and a retracted position, and a controller. The linear actuator includes an electric motor. The controller is in communication with the electric motor and configured to receive a lift command, monitor a required torque for the electric motor based on the lift command, and selectively inhibit the lift command based on the required torque.Type: ApplicationFiled: October 13, 2023Publication date: February 1, 2024Applicant: Oshkosh CorporationInventors: David Lombardo, Eko Prasetiawan, Louis Bafile
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Patent number: 11858791Abstract: Systems and apparatuses include a load map interface system including one or more processing circuits comprising one or more memory devices coupled to one or more processors, the one or more memory devices configured to store instructions thereon that, when executed by the one or more processors, cause the one or more processors to: receive a load map from an external input; determine a work machine load based at least in part on a sensor array of a work machine; generate a modified load map based on the received load map and the work machine load, the modified load map including an acceptable zone defining an acceptable load threshold and a warning zone defining a warning zone threshold; determine a location of the work machine on the modified load map; and send a notification to a display indicating that the work machine is within the acceptable zone or the warning zone.Type: GrantFiled: December 9, 2021Date of Patent: January 2, 2024Assignee: Oshkosh CorporationInventors: Robert S. Messina, Catherine Lee, Louis A. Bafile
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Publication number: 20230416061Abstract: 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.Type: ApplicationFiled: September 12, 2023Publication date: December 28, 2023Applicant: Oshkosh CorporationInventors: Prabhu Shankar, Louis Bafile, Jihong Hao, Eko Prasetiawan, Scott Riley, David Lombardo
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Publication number: 20230399216Abstract: A lift vehicle comprises a base, a battery arranged within the base, a drive motor powered by the battery and configured to drive a wheel, a scissor lift including a first end coupled to the base and being movable between an extended position and a retracted position, a work platform supported by a second end of the retractable lift, and a linear actuator having a lift motor. The lift motor is powered by the battery, and the linear actuator is coupled to the retractable lift so that rotation of the rotor moves the retractable lift between the extended position and the retracted position. The lift vehicle further includes an electromagnetic brake and a centrifugal brake coupled to the lift motor.Type: ApplicationFiled: August 28, 2023Publication date: December 14, 2023Applicant: Oshkosh CorporationInventors: Louis BAFILE, Eko PRASETIAWAN
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Patent number: 11820631Abstract: 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.Type: GrantFiled: May 24, 2021Date of Patent: November 21, 2023Assignee: Oshkosh CorporationInventors: David Lombardo, Eko Prasetiawan, Louis Bafile
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Patent number: 11802031Abstract: 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.Type: GrantFiled: August 4, 2022Date of Patent: October 31, 2023Assignee: Oshkosh CorporationInventors: Prabhu Shankar, Louis Bafile, Jihong Hao, Eko Prasetiawan, Scott Riley, David Lombardo
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Patent number: 11787679Abstract: A lift vehicle comprises a base having a plurality of wheels, a battery arranged within the base, a drive motor powered by the battery and configured to drive at least one of the plurality of wheels and propel the base, a retractable lift including a first end coupled to the base and being movable between an extended position and a retracted position, a work platform supported by a second end of the retractable lift, and a linear actuator having a lift motor with a rotor. The lift motor is powered by the battery, and the linear actuator is coupled to the retractable lift so that rotation of the rotor moves the retractable lift between the extended position and the retracted position. The lift vehicle further includes an electromagnetic brake coupled to a first side of the lift motor.Type: GrantFiled: July 13, 2022Date of Patent: October 17, 2023Assignee: Oshkosh CorporationInventors: Louis Bafile, Eko Prasetiawan
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Publication number: 20230294970Abstract: A scissor lift includes a base, a platform, a lift assembly, and a linear actuator coupled to the lift assembly. The lift assembly includes a first support member pivotally coupled to a second support member and a third support member pivotally coupled to a fourth support member. The linear actuator includes a housing, a screw coupled to the housing, an extending member slidably coupled to the housing, and an electric motor coupled to the housing and configured to drive the screw to move the extending member relative to the housing. The housing includes a first mount coupled to the first support member and configured to rotate relative to the first support member about a first lateral axis. The extending member includes a second mount coupled to the third support member and configured to rotate relative to the third support member about a second lateral axis.Type: ApplicationFiled: May 22, 2023Publication date: September 21, 2023Applicant: Oshkosh CorporationInventor: Louis BAFILE
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Publication number: 20230286793Abstract: An electric linear actuator for a lift assembly of a scissor lift includes a housing having a first end defining an aperture and a second end opposite the first end, an extending member received within the aperture and slidably coupled to the housing, a screw coupled to the housing, and an electric motor coupled to the housing and configured to drive rotation of the screw to control movement of the extending member along an axis of extension. The housing includes a mount configured to pivotally couple the housing to the lift assembly of the scissor lift. The mount is offset from the second end of the housing along the axis of extension such that the mount is positioned between the first end and the second end of the housing.Type: ApplicationFiled: May 22, 2023Publication date: September 14, 2023Applicant: Oshkosh CorporationInventor: Louis BAFILE
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Publication number: 20230286792Abstract: 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.Type: ApplicationFiled: May 22, 2023Publication date: September 14, 2023Applicant: Oshkosh CorporationInventor: Louis Bafile
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Publication number: 20230264931Abstract: 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.Type: ApplicationFiled: February 20, 2023Publication date: August 24, 2023Applicant: Oshkosh CorporationInventors: Dale Tressler, Mark Neubauer, Prabhu Shankar, Michael Buhidar, Alex Dilello, Marcel Amsallen, Kurtis Thrush, Louis Bafile, Matthew Gilbride
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Publication number: 20220371864Abstract: 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.Type: ApplicationFiled: August 4, 2022Publication date: November 24, 2022Applicant: Oshkosh CorporationInventors: Prabhu Shankar, Louis Bafile, Jihong Hao, Eko Prasetiawan, Scott Riley, David Lombardo
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Patent number: 11492239Abstract: 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.Type: GrantFiled: March 6, 2020Date of Patent: November 8, 2022Assignee: Oshkosh CorporationInventors: Prabhu Shankar, Louis Bafile, Jihong Hao, Eko Prasetiawan, Scott Riley, David Lombardo
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Publication number: 20220348449Abstract: A lift vehicle comprises a base having a plurality of wheels, a battery arranged within the base, a drive motor powered by the battery and configured to drive at least one of the plurality of wheels and propel the base, a retractable lift including a first end coupled to the base and being movable between an extended position and a retracted position, a work platform supported by a second end of the retractable lift, and a linear actuator having a lift motor with a rotor. The lift motor is powered by the battery, and the linear actuator is coupled to the retractable lift so that rotation of the rotor moves the retractable lift between the extended position and the retracted position. The lift vehicle further includes an electromagnetic brake coupled to a first side of the lift motor.Type: ApplicationFiled: July 13, 2022Publication date: November 3, 2022Applicant: Oshkosh CorporationInventors: Louis BAFILE, Eko PRASETIAWAN
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Publication number: 20220185643Abstract: Systems and apparatuses include a load map interface system including one or more processing circuits comprising one or more memory devices coupled to one or more processors, the one or more memory devices configured to store instructions thereon that, when executed by the one or more processors, cause the one or more processors to: receive a load map from an external input; determine a work machine load based at least in part on a sensor array of a work machine; generate a modified load map based on the received load map and the work machine load, the modified load map including an acceptable zone defining an acceptable load threshold and a warning zone defining a warning zone threshold; determine a location of the work machine on the modified load map; and send a notification to a display indicating that the work machine is within the acceptable zone or the warning zone.Type: ApplicationFiled: December 9, 2021Publication date: June 16, 2022Applicant: Oshkosh CorporationInventors: Robert S. Messina, Catherine Lee, Louis A. Bafile
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Patent number: 11215495Abstract: A load sensing system measures lift cylinder pressure and platform height to estimate platform load. The system functions to prevent overload and is designed to comply with regulatory requirements. The system provides the advantages of a force-based approach using simple, lower cost pressure-based measurement components.Type: GrantFiled: January 24, 2018Date of Patent: January 4, 2022Assignee: JLG INDUSTRIES, INC.Inventors: Louis A. Bafile, James N. Smyly, Aaron A. Powers, Brendan Kotlanger