| Oshkosh Corporation Patent applications |
| Patent application number | Title | Published |
|---|
| 20160059690 | NATURAL GAS FILLING SYSTEM FOR A VEHICLE - A natural gas filling system for a vehicle includes a piping system defining a first flow path, a receptacle, a tank, and a cooling circuit. The piping system includes a first end and a second end. The receptacle is coupled to the first end of the piping system, and the receptacle is configured to engage a natural gas filling station. The tank is in fluid communication with the receptacle and is configured to store a natural gas supply. The cooling circuit defines a second flow path and includes an expansion valve configured to reduce a pressure of a secondary fluid flow. The second flow path is in thermal communication with the first flow path such that heat transfer from the piping system into the cooling circuit cools the natural gas flowing between the receptacle and the tank. | 03-03-2016 |
| 20160023548 | REFUSE VEHICLE HAVING TAILGATE-MOUNTED CNG TANKS - A refuse vehicle includes a chassis having an engine, a body assembly defining an internal volume and coupled to the chassis, a tailgate pivotally attached to the body assembly and movable between an open position and a closed position to selectively expose the internal volume of the body assembly, a CNG fuel system including a CNG fuel tank coupled to the tailgate and moveable therewith, the engine configured to be powered by the CNG fuel system, at least one of one a non-structural conduit, a non-structural raceway, and a non-structural channel configured to contain at least one of wiring and a hydraulic line, and an impact mitigation system coupled to the tailgate. The impact mitigation system provides a protected region within which the CNG fuel tank is disposed. | 01-28-2016 |
| 20150283894 | ELECTROMECHANICAL VARIABLE TRANSMISSION - A drive train for a vehicle includes an engine having an output shaft, a first gear set, a second gear set, a first motor/generator coupled to the first gear set, a second motor/generator coupled to the second gear set and electrically coupled to the first motor/generator, a first clutch, and a second clutch. Planetary gears of both sets are rotatably supported by respective planetary gear carriers that are coupled to each other. The first clutch selectively engages the output shaft of the engine with the second motor/generator, and the second clutch and a third gear set operate to selectively engage at least one of the sun gear and the ring gear of the second gear set with the planetary gear carriers of the first and second gear sets. | 10-08-2015 |
| 20150259185 | SYSTEMS AND METHODS FOR DYNAMIC MACHINE STABILITY - A lift device includes a chassis, a lift boom, a sensor, and a controller. The chassis includes a frame, an axle pivotally coupled to the frame, and an actuator positioned to move the axle. The lift boom is rotatably coupled to the chassis and operable within a work envelope, and the sensor is positioned to monitor an orientation of the lift boom. The controller is configured to engage the actuator based on the orientation of the lift boom. Engagement of the actuator moves the axle to adjust the work envelope of the lift boom. | 09-17-2015 |
| 20150259180 | CRANE ASSEMBLY - A crane assembly includes a main body, a boom, a hoist, a sheave, a hook assembly including a hook, a cable, and a projection. The boom extends from the main body and includes a tubular main section and a tubular extension section telescopically nested within the tubular main section. The boom has a first end pivotally coupled to the main body. The hoist is coupled to at least one of the first end of the boom and the main body. The sheave is disposed at an opposing second end of the boom opposite to the main body. The cable extends from the hoist, along the length of the boom, over the sheave, and downward to the hook assembly. The projection extends outward from the boom and toward the main body. | 09-17-2015 |
| 20150246331 | Concrete mixer vehicle having vertically-positioned CNG fuel tanks - A concrete mixer vehicle includes a chassis having a frame member extending in a generally-horizontal direction, an engine coupled to the chassis, and a CNG tank coupled to the engine and configured to provide fuel thereto. The CNG tank is positioned in a generally-vertical orientation relative to the frame member. | 09-03-2015 |
| 20150232269 | CLUTCHED HYDRAULIC SYSTEM FOR A REFUSE VEHICLE - A hydraulic system for a vehicle includes a variable displacement pump configured to pressurize a fluid based on a pump stroke, a clutch, and a controller that is coupled to the variable displacement pump and the clutch. The clutch is positioned to selectively couple the variable displacement pump with an engine when engaged and selectively decouple the variable displacement pump from the engine when disengaged. The controller is configured to generate a first command signal to decrease the pump stroke and thereafter generate a second command signal to disengage the clutch. | 08-20-2015 |
| 20150210313 | STEERING CONTROL SYSTEM FOR A TOWED AXLE - A trailer includes a chassis having a hitch, an axle having a tractive element rotatably coupled to the chassis, and an actuator coupled to the chassis and positioned to steer the tractive element in response to an input, the input varying based on at least one of a speed, a transmission gear, and a steering mode of a tractor vehicle. | 07-30-2015 |
| 20150191069 | LOAD DEPENDENT DAMPER FOR A VEHICLE SUSPENSION SYSTEM - A damper assembly for a vehicle suspension system includes a damper and a manifold. The damper includes a tubular sidewall that defines an inner damper volume and a plunger separating the inner damper volume into a first chamber and a second chamber. The damper defines a first opening in fluid communication with the first chamber and a second opening in fluid communication with the second chamber. The manifold includes a housing having a pilot and defining a flow path between an inlet port and an outlet port, a flow controller coupled to the housing and positioned along the flow path, and a piston including a pilot end coupled to the pilot and an interface end that engages the flow controller with a pilot force. The inlet port is in fluid communication with at least one of the first opening and the second opening of the damper. | 07-09-2015 |
| 20150151651 | VARIABLE POSITION SEAT MOUNTING SYSTEM - A vehicle includes a chassis defining a longitudinal axis, a cab coupled to the chassis and including a cab wall extending laterally across the longitudinal axis, a rail disposed along the cab wall, and a seat bracket coupling a seat to the rail. The rail includes a plurality of discrete interface points that define a first mounting location and a second mounting location. The seat bracket and the seat are selectively repositionable along the rail into the first mounting location or the second mounting location. | 06-04-2015 |
| 20150033962 | EJECTOR TRACK FOR REFUSE VEHICLE - An ejector for a refuse vehicle including a structural frame, a first shoe, and a second shoe. The structural frame includes a first side plate offset from a second side plate, and the distance between the first side plate and the second side plate defines a side plate spacing. The first shoe is coupled to the first side plate and includes a first surface configured to interface with a first ejector track. The second shoe is coupled to the second side plate and includes a second surface configured to interface with the second ejector track. A lateral spacing between the first surface and the second surface is less than or equal to the side plate spacing such that loading imparted on the structural frame is transmitted directly into the first ejector track and the second ejector track. | 02-05-2015 |
| 20150028529 | VALVE FOR A VEHICLE SUSPENSION SYSTEM - A valve assembly for a suspension system includes a housing including a first port, a second port, and a third port, the housing defining a first flow path extending between the third port and the first port and a second flow path extending between the third port and the second port. The valve assembly further includes a first check valve having a first crack pressure positioned within the housing along the first flow path and a second check valve having a second crack pressure positioned within the housing along the second flow path. A difference between the first crack pressure and the second crack pressure provides a corresponding difference in pressures at the first port and the second port. | 01-29-2015 |
| 20140271066 | INDEPENDENT LOAD SENSING FOR A VEHICLE HYDRAULIC SYSTEM - A hydraulic system for a vehicle includes a first hydraulic circuit, a second hydraulic circuit, and a main actuator. The first hydraulic circuit includes a first pump having a flow outlet; a first pressure line having a pump end coupled to the flow outlet of the first pump; and a first load sensing line having a pump end coupled to the first pump and a pressure end coupled to the first pressure line. The second hydraulic circuit includes a second pump having a flow outlet; a second pressure line having a pump end coupled to the flow outlet of the second pump; and a second load sensing line having a pump end coupled to the second pump and a pressure end coupled to the second pressure line. The main actuator is coupled to the first pressure line and the second pressure line and is configured to oppose a load force. The first load sensing line is separate from the second load sensing line such that the first pump and the second pump respond independently to the load force. | 09-18-2014 |
| 20140269146 | CONCRETE MIXING DRUM DRIVE SYSTEM - A mixing drum system is disclosed. The mixing drum system includes a mixing drum connected to a frame, wherein the mixing drum is configured to rotate about a first axis with respect to the frame. The mixing drum system further includes a motor connected to the frame and having an output shaft, wherein the output shaft is configured to rotate about a second axis that is displaced from the first axis. The mixing drum system includes a first wheel connected to the output shaft of the motor, and a second wheel connected to the mixing drum. The mixing drum system includes a belt wrapped around the first wheel and the second wheel. The motor is configured to rotate the first wheel, which drives the belt, and the belt is configured to rotate the second wheel, which rotates the mixing drum with respect to the frame. | 09-18-2014 |
| 20140269145 | CHARGE HOPPER ASSEMBLY - A concrete mixer includes a chassis, a cab coupled to the chassis, and a mixing drum rotatably coupled to the chassis and defining an opening. The concrete mixer also includes a charge hopper assembly positioned at the opening of the mixing drum. The charge hopper assembly includes a latch, an actuator coupled to the latch and positioned to move the latch between a first position and a second position, and a sensor positioned on the latch and configured to indicate the orientation of the latch and the charge hopper assembly. | 09-18-2014 |
| 20140265203 | LOAD DEPENDENT DAMPER FOR A VEHICLE SUSPENSION SYSTEM - A damper assembly for a vehicle suspension system includes a damper and a valve block coupled to the damper. The damper includes a tubular sidewall having an inner surface that defines an inner damper volume and a plunger separating the inner damper volume into a compression chamber and an extension chamber. The valve block includes a housing having a spring pilot and defining a flow path between an inlet port and an outlet port. The inlet port is in fluid communication with at least one of the compression chamber and the extension chamber. The damper assembly further includes a flow controller coupled to the housing and positioned along the flow path and a piston having a pilot end coupled to the spring pilot and an interface end that engages the flow controller with a pilot force that varies based on a pressure at the spring pilot. | 09-18-2014 |
| 20140257621 | TERRAIN CLASSIFICATION SYSTEM FOR A VEHICLE - A terrain classification system for a vehicle includes a sensor positioned to scan a surrounding terrain, the sensor providing a sensor signal representative of returns from scanning the surrounding terrain. The terrain classification system also includes a processing circuit configured to receive the sensor signal, classify the surrounding terrain using the sensor signal, evaluate a library of acoustic data to determine an expected acoustic signature that corresponds to the classified surrounding terrain, and create an acoustic cost map with the expected acoustic signature. | 09-11-2014 |
| 20140255136 | CARRIER ADJUSTABLE HEADBOARD - An adjustable headboard for a carrier vehicle includes a hoop with a first frame member having a proximal end and a distal end, a second frame member having a proximal end and a distal end, and a connecting member extending between the distal end of the first frame member and the distal end of the second frame member. The hoop is moveable between a first position and a second position. The adjustable headboard further includes a stationary base with a first receiving channel and a second receiving channel and a retainer coupled to the hoop to secure the hoop in the first position and the second position. | 09-11-2014 |
| 20140251742 | LIMITING SYSTEM FOR A VEHICLE SUSPENSION COMPONENT - A damper assembly is disclosed that includes a tubular member, a rod, a primary piston, a secondary piston, and a seal. The tubular member includes a sidewall and a cap positioned at an end of the sidewall. The sidewall and the cap defining an inner volume. The rod extends within the inner volume of the tubular member. The primary piston defines a contact surface and is positioned within the inner volume and coupled to an end of the rod. The secondary piston defines a central aperture and a channel. Engagement of the primary piston and the secondary piston forms a flow conduit between the channel and the contact surface. The seal is disposed between an outer surface of the secondary piston and the sidewall such that a flow path is formed through the central aperture and the flow conduit. | 09-11-2014 |
| 20140246265 | HYDRAULIC MOTOR DRIVEN RACK AND PINION STEERING ASSEMBLY - A rack and pinion steering apparatus for a heavy-duty vehicle includes a housing, a gear rack slidably coupled to the housing and including a plurality of rack gear teeth, and a pinion gear including a plurality of pinion gear teeth in meshing engagement with the plurality of rack gear teeth. The apparatus also includes a hydraulic motor including an output shaft coupled to and configured to rotate the pinion gear and a limiter coupled to the housing and configured to reduce an output steering force of the gear rack. | 09-04-2014 |
| 20140131969 | CO-AXIAL SWAY BAR FOR A SUSPENSION SYSTEM - A suspension system for a heavy duty truck or trailer is disclosed as having a frame and including a first swing arm having a first elongated portion and a first mounting member having a central axis and coupled to the first elongated portion. The suspension assembly also includes a second swing arm including a second elongated portion and a second mounting member having a central axis and coupled to the second elongated portion. The second mounting member is coaxially aligned with the first mounting member to define an axis of rotation for the first swing arm and the second swing arm. The suspension assembly finally includes a connecter coupled to at least one of the first mounting member and the second mounting member and a sway bar having a central axis, wherein the sway bar is coupled to the first swing arm and the second swing arm and positioned such that the central axis of the sway bar is coaxially aligned with the axis of rotation for the first swing arm and the second swing arm. | 05-15-2014 |
| 20130249183 | POSITION DEPENDENT DAMPER FOR A VEHICLE SUSPENSION SYSTEM - A damper assembly for a vehicle suspension system includes a primary damper and a secondary damper. The secondary damper is coupled to the primary damper and includes a housing and an annular piston. The housing includes a sidewall that partially surrounds the primary damper, and the volume between the sidewall and the primary damper defines a damping chamber. The sidewall defines a plurality of apertures. The annular piston is positioned within the damping chamber and slidably coupled to the sidewall. The primary damper provides a base damping force and the secondary damper provides a supplemental damping force that varies based on the position of the annular piston along the housing. | 09-26-2013 |
| 20130249175 | VALVE FOR A VEHICLE SUSPENSION SYSTEM - A valve assembly for a suspension system includes a housing having a control port, a first accessory port, and a second accessory port. The housing defines a first flow path extending between the control port and the first accessory port and a second flow path extending between the control port and the second accessory port. The valve assembly also includes a first check valve having a first crack pressure positioned within the housing along the first flow path and a second check valve having a second crack pressure positioned within the housing along the second flow path. A difference between the first crack pressure and the second crack pressure provides a corresponding difference in pressures at the first accessory port and the second accessory port. | 09-26-2013 |
| 20130196806 | ELECTROMECHANICAL VARIABLE TRANSMISSION - A vehicle drive includes a first gear set and a second gear set both having a sun gear, a ring gear and planetary gears which couple the sun gear to the ring gear. The planetary gears of both sets are rotatably supported by respective planetary gear carriers which are coupled to each other. The vehicle drive also includes an engine, a first clutch which selectively engages the engine to the ring gear of the first gear set, a first motor/generator coupled to the sun gear of the first gear set and a second motor/generator coupled to the sun gear of the second gear set and electrically coupled to the first motor/generator, a second clutch which selectively engages the engine to the second motor/generator, and a third clutch and a third gear set which operate to selectively engage the ring gear of the second gear set to the planetary gear carriers. | 08-01-2013 |
| 20130039767 | BLADE ASSEMBLY FOR A MOBILE WIND TURBINE - A folding blade assembly for a mobile wind turbine system is disclosed that includes a hub configured to be coupled to a generator and a blade coupled to the hub with a movable joint. The movable joint includes a first member coupled to the hub and including an aperture, a second member coupled to the blade and including an aperture, and a pin extending through the apertures of the first and second members such that the second member is movable relative to the first member about the pin. The movable joint further includes a lock coupled to the first member and the second member and having an engaged position and a disengaged position, where the second member is movable relative to the first member when the lock is in the disengaged position. | 02-14-2013 |
