Patents by Inventor Greg Steffens
Greg Steffens 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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Publication number: 20230311768Abstract: A refuse vehicle including a chassis, a tractive element coupled to the chassis and configured to engage a support surface to support the refuse vehicle, a refuse compartment coupled to the chassis, a lift assembly coupled to the chassis and configured to lift a refuse container to transfer refuse from the refuse container into the refuse compartment, and a light projector coupled to the chassis and positioned to emit a light onto the support surface to define a target area. The target area represents a range of positions within which the lift assembly is capable of engaging the refuse container.Type: ApplicationFiled: February 17, 2023Publication date: October 5, 2023Applicant: Oshkosh CorporationInventors: Brendan Chan, Greg Steffens, Amanda Miller, Jeff Verhagen, Jon Branson, Mitchell Murphy
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Publication number: 20230312238Abstract: A refuse vehicle including a first electric motor powered by a battery, a first hydraulic pump driven by the first electric motor, a packer actuator powered by the first hydraulic pump, a second electric motor powered by the battery, a second hydraulic pump driven by the second electric motor, a door actuator powered by the second hydraulic pump, and a lift actuator driven by the second hydraulic pump.Type: ApplicationFiled: February 17, 2023Publication date: October 5, 2023Applicant: Oshkosh CorporationInventors: Chris Mills, Greg Steffens, Chris Rukas, Jeremy Andringa, Colin Wheeler
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Publication number: 20230313588Abstract: A vehicle includes a chassis, a body coupled to the chassis and having a front surface, the body defining a recess positioned along the front surface and extending rearward from the front surface, a port coupled to the body and positioned within the recess, and a door movably coupled to the body and selectively repositionable between a closed position and an open position. In the closed position, the door extends across the recess and obstructs access to the port. In the open positon, the door permits access to the port.Type: ApplicationFiled: February 17, 2023Publication date: October 5, 2023Applicant: Oshkosh CorporationInventors: Brandon Lemke, Jon Zeamer, Michael Moore, Greg Steffens, Jeff Verhagen, McCall Groen
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Publication number: 20230312242Abstract: A refuse vehicle including an electric motor powered by a battery, a hydraulic pump driven by the electric motor, a manifold including a plurality of electrically actuated solenoid valves receiving hydraulic power from the hydraulic pump, a hydraulic actuator powered by the hydraulic pump via the manifold, and 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: determine a load applied to the hydraulic actuator, operate the manifold to provide regenerative flow of hydraulic fluid to the hydraulic actuator when the load is less than a threshold load, and operate the manifold to provide non-regenerative flow of hydraulic fluid to the hydraulic actuator when the load is greater than or equal to the threshold load.Type: ApplicationFiled: February 17, 2023Publication date: October 5, 2023Inventors: Chris Mills, Greg Steffens, Chris Rukas, Jeremy Andringa, Colin Wheeler
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Publication number: 20230312026Abstract: A vehicle including a chassis, a cab coupled to the chassis, the cab having a front face, a body coupled to the chassis, and a shroud coupled to the cab such that an internal volume is defined between the cab and the shroud, the shroud at least partially defining: a first inlet positioned along a front side of the shroud and in fluid communication with the internal volume, and a second inlet arranged such that airflow along the front face of the cab enters the internal volume through the second inlet.Type: ApplicationFiled: February 17, 2023Publication date: October 5, 2023Applicant: Oshkosh CorporationInventors: Jon Zeamer, Greg Steffens, Jeff Verhagen, Chris Goodman, Jon Branson, David Cockrel, McCall Groen, Travis Zuleger
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Publication number: 20230312239Abstract: A refuse vehicle including an electric motor powered by a battery, a hydraulic pump driven by the electric motor, a hydraulic actuator powered by the hydraulic pump, and 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: determine a load of the hydraulic actuator, and control a speed of the electric motor driving the hydraulic pump to achieve the load.Type: ApplicationFiled: February 17, 2023Publication date: October 5, 2023Inventors: Chris Mills, Greg Steffens, Chris Rukas, Jeremy Andringa, Colin Wheeler
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Publication number: 20230312241Abstract: A refuse vehicle including an electric motor powered by a battery, a hydraulic pump driven by the electric motor, a hydraulic actuator powered by the hydraulic pump, and 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: determine a target cycle time for the hydraulic actuator, and control a speed of the electric motor to achieve the target cycle time.Type: ApplicationFiled: February 17, 2023Publication date: October 5, 2023Inventors: Chris Mills, Greg Steffens, Chris Rukas, Jeremy Andringa, Colin Wheeler
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Publication number: 20230312236Abstract: A refuse vehicle includes a chassis, a body coupled to the chassis, a cab coupled to the chassis, and a lift assembly. The lift assembly includes a positioning member, an interface member coupled to a distal end of the positioning member and configured to engage with a refuse container, an actuator coupled to the positioning member to facilitate repositioning of the interface member and one or more position sensors configured to measure a position of the interface member. The refuse vehicle also includes a return assist system configured to receive a user input to engage the interface member with the refuse container, determine an original position of the refuse container based on the position of the interface member when the user input is received, reposition, using the actuator, the interface member to empty the refuse container into the body, and return the refuse container to the original position.Type: ApplicationFiled: February 17, 2023Publication date: October 5, 2023Applicant: Oshkosh CorporationInventors: Amanda Miller, Greg Steffens, Aaron Fisher, Luke Gustafson, Mark Kolell, Chris Mills, Christopher Rukas, Ryan Wolf
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Publication number: 20230311991Abstract: A vehicle includes a chassis including a pair of longitudinal frame rails, a body, a pivot mount pivotally coupling the body to the chassis such that the body is rotatable about an axis of rotation extending laterally, and a spring mount coupling the body to the chassis. The spring mount is positioned longitudinally forward of the axis of rotation and configured to apply a biasing force to resist upward movement of the body relative to the chassis. The spring mount is positioned within 3 feet of a neutral twist axis of the chassis.Type: ApplicationFiled: February 17, 2023Publication date: October 5, 2023Applicant: Oshkosh CorporationInventors: Aaron Fisher, Chris Mills, Greg Steffens, Ryan Wolf, Eric Hutchinson, Jeff Verhagen, Jon Branson
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Patent number: 11766941Abstract: A refuse vehicle includes a chassis, an energy storage device supported by the chassis, a body assembly, and a power distribution unit. The energy storage device is configured to provide electrical power to a prime mover. Activation of the prime mover selectively drives the refuse vehicle. The body assembly is configured for storing refuse and is supported by the chassis. The power distribution unit is coupled to the energy storage device and is configured to control power transmission outward from the energy storage device, between the chassis and the body assembly. The body assembly includes a controller that communicates with the power distribution unit to adjust a flow of electrical power from the energy storage device to the body assembly.Type: GrantFiled: October 14, 2021Date of Patent: September 26, 2023Assignee: Oshkosh CorporationInventors: Emily Davis, Joshua D. Rocholl, Clinton T. Weckwerth, Vincent Hoover, Michael R. Moore, Samuel Mueller, Jeff Verhagen, Jeremy Andringa, Greg Steffens, Jeffrey Koga
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Publication number: 20230278475Abstract: A refuse vehicle includes a chassis coupled to a wheel and having a first portion and a second portion, an energy storage system supported by the chassis, a drive motor coupled to the wheel and configured to receive electrical energy from the energy storage system and provide rotational mechanical energy to the wheel, a cab supported by the first portion of the chassis, a refuse compartment supported by the second portion of the chassis, a suspension supported by the cab, a seat supported within an interior of the cab, an armrest arranged proximate to the seat and having control console with a joystick, and an armrest adjustment assembly coupled to the armrest and configured to adjust a height of the armrest relative to the seat. The suspension supports the seat and the armrest so that a position of the armrest relative to the seat is maintained.Type: ApplicationFiled: February 17, 2023Publication date: September 7, 2023Applicant: Oshkosh CorporationInventors: Greg Steffens, Andrew Rausch
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Publication number: 20230278425Abstract: A refuse vehicle includes a controller having a processor and at least one memory. The controller is in communication with a control console on a first side of a cab and a control console on a second side of a cab. The controller is configured to detect a presence of an operator in a seat on the first side or a seat on the second side based on a signal from a camera, a weight sensor, or an ignition, and in response to detecting the presence of an operator on the first side of the cab, enable a vehicle operator interface of the control console on the first side and disable a vehicle operator interface of the control console on the second side.Type: ApplicationFiled: February 17, 2023Publication date: September 7, 2023Inventors: Amanda Miller, Greg Steffens, Andrew Rausch
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Publication number: 20230211705Abstract: A vehicle includes a chassis, a cab coupled to the chassis, a body coupled to the chassis, a cowl coupled to at least one of the body or the cab and extending above the cab, and a heat exchanger coupled to the cab and positioned at least partially within the cowl such that the heat exchanger extends above the cab.Type: ApplicationFiled: June 28, 2022Publication date: July 6, 2023Applicant: Oshkosh CorporationInventors: Jon Zeamer, Greg Steffens, Jeff Verhagen, Chris Goodman, Jon Branson, McCall Groen, Jon Pandolfini, Ryan Wolf, Sam Mueller, Kevin Pennau, Jeremy Andringa, Colin Wheeler, David Palmer, David Cockrell, Travis Zuleger
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Publication number: 20230192401Abstract: A refuse vehicle includes a chassis, a cab coupled to the chassis, a body coupled to the chassis, the body including a refuse compartment configured to store refuse, a lift assembly configured to transfer refuse from a refuse container into the refuse compartment, a cowl coupled to at least one of the body or the cab and extending above the cab, and a heat exchanger positioned at least partially within the cowl such that the heat exchanger extends above the cab.Type: ApplicationFiled: February 17, 2023Publication date: June 22, 2023Applicant: Oshkosh CorporationInventors: Jon Zeamer, Greg Steffens, Jeff Verhagen, Chris Goodman, Jon Branson, McCall Groen, Jon Pandolfini, Ryan Wolf, Sam Mueller, Kevin Pennau, Jeremy Andringa, Colin Wheeler, David Palmer, David Cockrell, Travis Zuleger
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Publication number: 20230191887Abstract: A refuse vehicle includes a chassis coupled to a wheel, an energy storage system supported by the chassis, a drive motor coupled to the wheel and configured to receive electrical energy from the energy storage system and provide rotational mechanical energy to the wheel, a cab supported by a first portion of the chassis, a refuse compartment supported by a second portion of the chassis, a seat supported within an interior of the cab and including a seat support and a backrest, a control console arranged within the interior of the cab and including a joystick, and a suspension coupled between the cab and the seat and configured to allow the seat to move relative to the cab. The suspension supports the seat and the control console so that a position of the control console relative to the seat is maintained.Type: ApplicationFiled: February 17, 2023Publication date: June 22, 2023Inventors: Andrew Rausch, Ryan Wolf, Jon Zeamer, Jeremy Andringa, Greg Steffens, Jon Branson, Jeff Verhagen, Mitchell Murphy
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Publication number: 20230150584Abstract: A vehicle includes a chassis coupled to a wheel and having a first portion and a second portion, and a cab supported by the first portion of the chassis. The cab includes a tunnel configured to receive at least partially receive the first portion of the chassis and a seat supported within an interior of the cab and having a seat support and a backrest. An uppermost surface of the tunnel is arranged at a tunnel height that is lower than a support height of the seat support. The vehicle further includes a body supported by the second portion of the chassis. The first portion of the chassis includes a frame extension or an inward-offset frame rail configuration and the second portion of the chassis comprises a first frame rail and a second frame rail.Type: ApplicationFiled: November 15, 2022Publication date: May 18, 2023Applicant: Oshkosh CorporationInventors: Jon Zeamer, Greg Steffens, Jon Branson, Jeremy Andringa, Ryan Wolf, Sam Mueller, Amanda Haberlein, Jeff Verhagen, Travis Zuleger, Josh Gentner
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Publication number: 20230150763Abstract: A refuse vehicle includes a chassis coupled a wheel, a motor configured to drive the wheel, a body assembly coupled to the chassis and defining a refuse compartment, a lift assembly, and a vehicle control system having a sensor integrated into the body assembly and a controller in communication with the lift assembly and the sensor. The controller includes a processor and at least one memory and is configured to receive sensor data from the sensor, the sensor data indicating a potential event, receive control data indicating a state the lift assembly, and compare the sensor data to the control data to determine if the potential event is a false event associated with the state of the lift assembly or an actual event.Type: ApplicationFiled: November 15, 2022Publication date: May 18, 2023Applicant: Oshkosh CorporationInventors: Amanda Haberlein, Brendan Chan, Jon Zeamer, Greg Steffens, James Tebbe, Jeremy Andringa, Jon Branson, Ryan Wolf, Sam Mueller, Ben Fischer, Jeff Verhagen
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Publication number: 20220118854Abstract: A refuse vehicle includes a chassis, an energy storage device supported by the chassis, a body assembly, and a power distribution unit. The energy storage device is configured to provide electrical power to a prime mover. Activation of the prime mover selectively drives the refuse vehicle. The body assembly is configured for storing refuse and is supported by the chassis. The power distribution unit is coupled to the energy storage device and is configured to control power transmission outward from the energy storage device, between the chassis and the body assembly. The body assembly includes a controller that communicates with the power distribution unit to adjust a flow of electrical power from the energy storage device to the body assembly.Type: ApplicationFiled: October 14, 2021Publication date: April 21, 2022Applicant: Oshkosh CorporationInventors: Emily Davis, Joshua D. Rocholl, Clinton T. Weckwerth, Vincent Hoover, Michael R. Moore, Samuel Mueller, Jeff Verhagen, Jeremy Andringa, Greg Steffens, Jeffrey Koga
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Publication number: 20220072736Abstract: A concrete mixer vehicle includes a chassis, a cab coupled to the chassis, a drum assembly coupled to the chassis, and a module coupled to the chassis and positioned rearward of the drum assembly. The module includes a prime mover, a cooling system, and a hood. The hood has a first end positioned proximate the drum assembly, an opposing second end positioned proximate a rear end of the chassis, and a top surface. The hood defines an internal cavity within which the prime mover and the cooling system are disposed. The first end defines an inlet airflow cavity. The inlet airflow cavity has a bottom surface and an air inlet positioned between the top surface and the bottom surface. The air inlet connects the inlet airflow cavity to the internal cavity.Type: ApplicationFiled: October 19, 2021Publication date: March 10, 2022Applicant: Oshkosh CorporationInventors: Greg Steffens, Jesse Steinke, Yanming Hou, Neil Bjornstad, Jeremy Andringa, Eric Wall, Connor Hietpas, Jesse Gander, Doug Schmidt, Dale Fasana, Jon Zeamer, Robert Wesley Holliday
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Patent number: 11187138Abstract: An engine module for a mixer vehicle includes an engine, a cooling system, and a hood. The cooling system includes a radiator fluidly coupled to the engine and a fan assembly. The fan assembly includes a fan. The hood includes a housing and a door. The housing has a first end configured to be positioned proximate a mixer drum assembly and a second end configured to be positioned proximate a rear end of a chassis of the mixer vehicle. The housing defines an internal cavity within which the engine and the cooling system is disposed. The first end defines an inlet airflow cavity having a bottom surface and an air inlet. The second end defines an opening. The door is pivotally coupled to the second end and positioned to selectively enclose the opening.Type: GrantFiled: March 9, 2020Date of Patent: November 30, 2021Assignee: Oshkosh CorporationInventors: Greg Steffens, Jeremy Andringa, Connor Hietpas, Jesse Gander