Patents Assigned to Defensative, LLC
  • Frame assembly for a vehicle
    Patent number: 10556622
    Abstract: A frame assembly for a vehicle includes a frame having a first end and an opposing second end. The frame has a first frame rail defining a first channel and a second frame rail defining a second channel. The second frame rail is spaced from the first frame rail. The frame assembly further includes a cross member assembly coupled to the first end of the frame and extending between the first frame rail and the second frame rail. The cross member assembly has a first end plate positioned within, and releasably received by, the first channel of the first frame rail; a second end plate positioned within, and releasably received by, the second channel of the second frame rail; and a cross member extending between the first end plate and the second end plate.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: February 11, 2020
    Assignee: Oshkosh Defense, LLC
    Inventors: David Calliari, Cody Bauer, Bjoern Gillstroem, Jonathan King, Mark Chapin, Brian Koppa
  • ELECTROMECHANICAL VARIABLE TRANSMISSION
    Publication number: 20200039341
    Abstract: A drive train includes a first gear set including a sun gear, a ring gear and planetary gears coupling the sun gear to the ring gear, a second gear set including a sun gear, a ring gear and planetary gears coupling the sun gear to the ring gear, a first motor/generator coupled to the first gear set, a second motor/generator coupled to the second gear set, a first clutch that selectively engages the second motor/generator with the first gear set, and a second clutch that selectively engages the ring gear of the second gear set with the planetary gear carrier of at least one of the first gear set and the second gear set. The planetary gears of both sets are rotatably supported by respective planetary gear carriers.
    Type: Application
    Filed: October 3, 2019
    Publication date: February 6, 2020
    Applicant: Oshkosh Defense, LLC
    Inventors: Jon Morrow, Dave Steinberger, Eric Braun, Andrew Kotloski, Nader Nasr
  • Blast mat configuration
    Patent number: 10545010
    Abstract: A vehicle includes a frame, multiple tractive assemblies engaging the frame, a cabin coupled to the frame, and a blast mat. The cabin includes a seat configured to support an occupant and multiple walls at least partially defining a footwell configured to receive the feet of the occupant when the occupant is seated in the seat. The blast mat is positioned within the footwell and configured to absorb energy from an explosion, thereby reducing energy transferred into the feet of the occupant due to the explosion. The blast mat has a top surface and a bottom surface. At least a portion of the bottom surface of the blast mat engages at least one of the walls. A thickness of the blast mat is defined between the top surface and the portion of the bottom surface engaging at least one of the walls. The thickness varies throughout the blast mat.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: January 28, 2020
    Assignee: Oshkosh Defense, LLC
    Inventors: Jake Leeman, Jennifer King
  • VEHICLE DRIVE AND METHOD WITH ELECTROMECHANICAL VARIABLE TRANSMISSION
    Publication number: 20190381990
    Abstract: A vehicle drive includes a gear set, a first motor/generator coupled to the gear set, a second motor/generator at least selectively rotationally engaged with the gear set, and an engine at least selectively coupled to the gear set and at least selectively coupled to the second motor/generator. The second motor/generator is electrically coupled to the first motor/generator by an electrical power transmission system. The first motor/generator and the second motor/generator are electrically coupled without an energy storage device configured to at least one of (a) provide electrical energy to the first motor/generator or the second motor/generator to power the first motor/generator or the second motor/generator and (b) be charged by electrical energy from the first motor/generator or the second motor/generator.
    Type: Application
    Filed: August 22, 2019
    Publication date: December 19, 2019
    Applicant: Oshkosh Defense, LLC
    Inventors: Deepak Shukla, Rongjun Zhang, Nader Nasr
  • Vehicle armor systems and methods
    Patent number: 10495419
    Abstract: A vehicle includes a frame, front cabin, and an armor component. The vehicle is reconfigurable between a B-kit configuration where the armor component is coupled to the vehicle, and an A-kit configuration where the armor component is removed. The armor component is configured to be coupled to at least one of a plurality of bosses disposed on a front wall or a side wall of the vehicle. A vehicle may also include at least two frame rails, a support, and a spacer that is coupled to at least one of the frame rails and the support. The armor component may replace the spacer in the B-kit configuration. The armor component may be an underbody armor panel. The vehicle may further include a retainer to simplify the conversion between the A-kit and a B-kit configurations and a step.
    Type: Grant
    Filed: April 19, 2018
    Date of Patent: December 3, 2019
    Assignee: Oshkosh Defense, LLC
    Inventors: Kris Krueger, Jake Leeman, Scott Mueller, Micah Richmond, Tim Snyder, Harold Vincent
  • VEHICLE COOLING SYSTEMS AND METHODS
    Publication number: 20190351758
    Abstract: A vehicle includes a chassis, a cab coupled to the chassis, an engine coupled to the chassis and positioned at least one of beneath or behind the cab, a cooling system coupled to the chassis, and a connecting shaft. The cooling system includes a fan positioned forward of a front of the cab such that the fan is spaced from the engine. The connecting shaft extends from the engine, past the front of the cab, and to the fan. The connecting shaft is positioned to facilitate driving the fan with the engine.
    Type: Application
    Filed: August 1, 2019
    Publication date: November 21, 2019
    Applicant: Oshkosh Defense, LLC
    Inventors: Dan Wiegand, Michael Pertile, Andrew Prust
  • MILITARY VEHICLE
    Publication number: 20190351883
    Abstract: A vehicle includes a passenger capsule having a first end and a second end, a front module coupled to the first end of the passenger capsule and including a front axle assembly, a rear module coupled to the second end of the passenger capsule and including a rear axle assembly, and a braking system. The braking system includes a pump, an actuator including a rod that extends through a brake housing to apply a biasing force to a brake and inhibit movement of the vehicle, and a line coupling the pump to the actuator. Engagement of the pump provides a pressurized fluid flow through the line that overcomes the biasing force and releases the brake.
    Type: Application
    Filed: August 1, 2019
    Publication date: November 21, 2019
    Applicant: Oshkosh Defense, LLC
    Inventors: Don Verhoff, Gary Schmiedel, Chris Yakes, Rob Messina, Brian Wilkins, Kent Schulte, Daniel R. Seffernick, Joseph Holda, Michael Peotter, David McGraw, Anthony Seefeldt, Dave Pelko, Jesse Gander, Jerry Reineking, Jesse Steinke
  • POSITION DEPENDENT DAMPER FOR A VEHICLE SUSPENSION SYSTEM
    Publication number: 20190337350
    Abstract: A damper assembly for a vehicle suspension system includes a first damper and a second damper. The second damper includes a housing having a wall that at least partially surrounds at least a portion of the first damper, the volume between the wall and the first damper defining a chamber, and the wall defines an aperture. The second damper also includes a piston positioned within the chamber, a conduit defining a flow path that includes the aperture, and a flow control device disposed along the flow path. The second damper is configured to provide a damping force that varies based on the position of the piston within the chamber.
    Type: Application
    Filed: July 15, 2019
    Publication date: November 7, 2019
    Applicant: Oshkosh Defense, LLC
    Inventors: Erik S. Ellifson, Patrick S. Dillman, Jason J. Zuleger, Aaron J. Rositch, Robert K. Sollenskog
  • GAS SPRING ASSEMBLY FOR A VEHICLE SUSPENSION SYSTEM
    Publication number: 20190337348
    Abstract: A vehicle has a vehicle body and a vehicle suspension system supporting the vehicle body. The vehicle suspension has a gas spring, and includes a cylinder, a rod, and an accumulator. The cylinder has a longitudinal axis. The rod is partially disposed within the cylinder and is movable relative to the cylinder along the longitudinal axis of the cylinder. The rod and cylinder together at least partially define a chamber having a variable volume that receives a first pressurized gas. The accumulator is in communication with the chamber and contains a second pressurized gas held at a threshold pressure creating a first spring rate opposing relative movement between the rod and cylinder when the first pressurized gas within the chamber is pressurized below the threshold pressure and a second spring rate when the first pressurized gas within the chamber is pressurized above the threshold pressure.
    Type: Application
    Filed: July 18, 2019
    Publication date: November 7, 2019
    Applicant: Oshkosh Defense, LLC
    Inventors: Roy Venton-Walters, Aaron J. Rositch, Jesse L. Knoble, Erik S. Ellifson, Mark L. Steckling
  • DAMPER ASSEMBLY
    Publication number: 20190338823
    Abstract: A damper assembly includes an outer cylinder, an inner cylinder, a plunger, a passage, and a piston. The inner cylinder is positioned at least partially within the outer cylinder and has a cap attached to one end thereof. The plunger is positioned radially inward from the inner cylinder and coupled to a rod. The plunger, the cap, and an interior of the inner cylinder at least partially define a first chamber. The passage extends through the rod and is fluidly coupled with the first chamber. The piston is coupled to the inner cylinder and extends radially outward toward the outer cylinder. The piston, an exterior surface of the inner cylinder, and the outer cylinder at least partially define a second chamber. The plunger is configured to move relative to the inner cylinder, and the piston is configured to move relative to the outer cylinder.
    Type: Application
    Filed: July 19, 2019
    Publication date: November 7, 2019
    Applicant: Oshkosh Defense, LLC
    Inventors: Erik Ellifson, Darin Rosenboom
  • Load dependent damper for a vehicle suspension system
    Patent number: 10464389
    Abstract: A valve assembly includes a housing, a flow controller, and a piston. The housing defines an inlet port, an outlet port, a flow path extending between the inlet port and the outlet port, and a pilot chamber configured to be in fluid communication with a pilot. The flow controller is positioned along the flow path. The piston is positioned to separate the pilot chamber from the flow path. The piston includes a first end in fluid communication with the pilot chamber and an opposing second end positioned to engage the flow controller with a pilot force that varies based on a pressure at the pilot.
    Type: Grant
    Filed: June 5, 2017
    Date of Patent: November 5, 2019
    Assignee: Oshkosh Defense, LLC
    Inventors: Jason J. Zuleger, Robert K. Sollenskog
  • Electromechanical variable transmission
    Patent number: 10457134
    Abstract: A drive train includes a shaft, a first gear set including a sun gear, a ring gear and planetary gears coupling the sun gear to the ring gear, a second gear set including a sun gear, a ring gear and planetary gears coupling the sun gear to the ring gear, a first motor/generator coupled to the first gear set, a second motor/generator coupled to the second gear set, a first clutch that selectively engages the shaft with the second motor/generator and the first gear set, and a second clutch and a third gear set that cooperate to selectively engage the ring gear of the second gear set with the planetary gear carrier of at least one of the first gear set and the second gear set. The planetary gears of both sets are rotatably supported by respective planetary gear carriers.
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: October 29, 2019
    Assignee: Oshkosh Defense, LLC
    Inventors: Jon Morrow, Dave Steinberger, Eric Braun, Andrew Kotloski, Nader Nasr
  • APPARATUS AND METHOD FOR FIREARM OPERATIONS
    Publication number: 20190316864
    Abstract: A compensator device for manipulating and reducing the effects of firearm muzzle lift and a lower receiver for manipulating environmental effects on firearms and firearm operators.
    Type: Application
    Filed: March 18, 2019
    Publication date: October 17, 2019
    Applicant: Minuteman Defense, LLC
    Inventors: Scott D. Shane, Kris W. Kobach, Beverly J. Shane
  • LIMITING SYSTEM FOR A VEHICLE SUSPENSION COMPONENT
    Publication number: 20190316650
    Abstract: The damper assembly includes a tubular member, a rod, a primary piston, a secondary piston, and a resilient member. The tubular member includes a sidewall and a cap positioned at an end of the sidewall. The sidewall and the cap define an inner volume. The sidewall includes a shoulder separating the tubular member into a first portion and a second portion. The resilient member is disposed between the secondary piston and the cap and thereby is positioned to bias the secondary piston into engagement with the shoulder.
    Type: Application
    Filed: June 28, 2019
    Publication date: October 17, 2019
    Applicant: Oshkosh Defense, LLC
    Inventors: Patrick S. Dillman, Erik S. Ellifson, Aaron J. Rositch
  • SUSPENSION ELEMENT
    Publication number: 20190308480
    Abstract: A suspension element includes a main body having an internal volume configured to contain a liquid therein, a tubular element extending at least partially within the main body, the tubular element having an internal volume that defines a first fluid chamber configured to contain a compressible gas therein, a first piston separating the internal volume of the main body into a second fluid chamber and a third fluid chamber, a second piston positioned to separate the first fluid chamber from the second fluid chamber, and a flow control element disposed along a flow path between the second fluid chamber and the third fluid chamber. Movement of the tubular element generates a flow of the liquid through the flow control element to produce a damping force and changes the pressure of the compressible gas to produce a spring force.
    Type: Application
    Filed: June 24, 2019
    Publication date: October 10, 2019
    Applicant: Oshkosh Defense, LLC
    Inventors: Patrick S. Dillman, Robert K. Sollenskog, Erik Ellifson, Aaron J. Rositch
  • Military vehicle
    Patent number: 10434995
    Abstract: A vehicle includes a passenger capsule having a first end and a second end, a front module coupled to the first end of the passenger capsule and including a front axle assembly, an engine coupled to the front module, a rear module coupled to the second end of the passenger capsule and including a rear axle assembly, and a transaxle coupled to the rear module and the engine. The transaxle includes a transfercase component and a differential component contained at least partially within a housing that defines a structural component of the rear module. The rear axle assembly includes at least one of an upper control arm, a lower control arm, a spring, and a damper that is directly coupled to the transaxle.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: October 8, 2019
    Assignee: Oshkosh Defense, LLC
    Inventors: Don Verhoff, Gary Schmiedel, Chris Yakes, Rob Messina, Brian Wilkins, Kent Schulte, Daniel R. Seffernick, Joseph Holda, Michael Peotter, David McGraw, Anthony Seefeldt, Dave Pelko, Jesse Gander, Jerry Reineking, Jesse Steinke
  • METHODS, SYSTEMS, AND VEHICLES WITH ELECTROMECHANICAL VARIABLE TRANSMISSION
    Publication number: 20190291711
    Abstract: A method of operating a first electric machine and a second electric machine in a vehicle drive includes operating the vehicle drive in a first operating mode by operating the first electric machine to regulate electrical power at a bus to maintain a first voltage on the bus and operating the second electric machine to consume electrical power from the bus. The method includes operating the vehicle drive in a second operating mode by operating the first electric machine to consume electrical power from the bus and operating the second electric machine to regulate electrical power at the bus to maintain a second voltage on the bus. A sum of the electrical power regulated by the first electric machine, the electrical power losses, and the electrical power consumed by the second electric machine is zero in the first operating mode and in the second operating mode.
    Type: Application
    Filed: June 7, 2019
    Publication date: September 26, 2019
    Applicant: Oshkosh Defense, LLC
    Inventors: Deepak Shukla, Rongjun Zhang, Nader Nasr
  • Gas spring assembly for a vehicle suspension system
    Patent number: 10421332
    Abstract: A gas spring for a vehicle suspension system includes a cylinder, a rod disposed within the cylinder, the rod and the cylinder at least partially defining a chamber, and an accumulator in communication with the chamber. The rod and the cylinder are configured such that a relative movement therebetween changes the volume of the chamber. Gas in the chamber and the accumulator are configured to cooperate to at least partially provide a spring rate that varies based on at least one of a deflection and a spring force associated with at least one of the rod and the cylinder.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: September 24, 2019
    Assignee: Oshkosh Defense, LLC
    Inventors: Roy Venton-Walters, Aaron J. Rositch, Jesse L Knoble, Erik S. Ellifson, Mark L. Steckling
  • Vehicle
    Patent number: D864031
    Type: Grant
    Filed: April 28, 2017
    Date of Patent: October 22, 2019
    Assignee: Oshkosh Defense, LLC
    Inventors: Jesse Gander, Devon Palmer, McCall Groen
  • Windshield mountable video camera
    Patent number: D866639
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: November 12, 2019
    Assignee: Zone Defense, LLC
    Inventor: Yang Zhen Fang