Abstract: A kinetic energy recovery system (KERS) is provided. The KERS (1) comprises a first speed-up gear arrangement (12) having an input (10) connectable to a vehicle powertrain. The KERS further comprises a hydraulic variator made up of first and second bent axis motors (20,22) fluidly connected to one another, wherein at least the first motor (20) is a variable displacement motor, and the first motor (20) is connected to an output of the first speed-up gear arrangement (12). A second speed-up gear arrangement (34) has an input connected to the second motor (22). At least one flywheel (52) is connected to an output of the second speed-up gear arrangement (34), where the at least one flywheel is located in a vacuum within at least one flywheel chamber (58).

Abstract: The present disclosure is directed towards apparatuses for operating a work tool of a machine. The apparatus comprises a cylinder and a piston comprising a piston head, the piston head being mounted in the cylinder such that the piston is moveable relative to the cylinder. The apparatus comprises a gas spring arrangement for biasing the piston head away from the first cylinder end. The gas spring arrangement comprises a first gas chamber and a second gas chamber having a variable volume based upon the position of the piston head in the cylinder. A gas connection arrangement fluidly connects the first gas chamber to the second gas chamber and is configured to enable gas to flow between the first and second gas chambers if the piston moves relative to the cylinder. The disclosure is further directed towards methods of operating a machine comprising a work tool.

Abstract: The present disclosure is directed towards a power distribution system for a marine vessel. The power distribution system comprises auxiliary, first and second buses and first and second propulsors for propelling the marine vessel. A first power generation system is electrically connected to the first bus and operably connected to the first propulsor. A second power generation system is electrically connected to the second bus and operably connected to the second propulsor. The first and second buses are electrically connected to the auxiliary bus such that electrical power is transferable between the first and second power generation systems for driving the first and/or second propulsors.

Abstract: A seal testing system includes a drive system and a rotating shaft driven by the drive system. The system further includes a first seal testing subassembly including a first rotating member coupled to the rotating shaft, a first stationary member located adjacent the first rotating member, and a first test seal disposed between the rotating member and the stationary member at a first seal interface; and a second seal testing subassembly including a second rotating member coupled to the rotating shaft, a second stationary member located adjacent the second rotating member, and a second test seal disposed between the rotating member and the stationary member at a second seal interface. The system additionally includes a misalignment assembly coupled to the first and second stationary members to move the first and second stationary members the same distance to provide an equal misalignment at the first and second seal interface.

Abstract: The present disclosure is directed towards a coupling assembly (13) for a machine (10). The coupling assembled comprises a pin (27) comprising at least a first pin passageway (31) for lubricant extending between a first pin passageway inlet (32) and a first pin passageway outlet (33) for directing lubricant outside of the pin (27). The coupling assembly (13) also comprises a distribution device (28) for distributing lubricant comprising at least one distribution device inlet (45) for receiving lubricant and at least one distribution device outlet (46, 62, 47, 48). The distribution device (28) is mounted to the pin (27) and the at least one distribution device outlet (46, 62, 47, 48) is arranged to direct lubricant into the first pin passageway inlet (32).

Abstract: A heating and cooling system for a vehicle having an internal combustion engine is provided. The system comprises at least one exhaust pipe conveying exhaust gases away from the engine, and a reactor vessel located in the exhaust pipe and containing an absorbent salt and a refrigerant fluid. A condenser is in fluid communication with the reactor vessel, and receives refrigerant vapour from the reactor when exhaust gases heat the reactor vessel in the exhaust pipe. An evaporator is locatable in a cab of the vehicle and is in fluid communication with the condenser and the reactor vessel. The evaporator receives condensed refrigerant from the condenser so as to cool the air surrounding the evaporator, and returning refrigerant vapour to the reactor vessel. A method of cooling a driver environment of a vehicle having an internal combustion engine is also provided, as is a vehicle incorporating the heating and cooling system.

Abstract: A transmission for a propulsion system. The propulsion system includes a power unit, a power transfer system, and a propulsion element. The transmission incorporates a summation, a propulsion output, and a power transfer transmission system, which receives power from the power unit and/or the power transfer system of the propulsion system. The power transfer transmission system includes a propulsion output transmission and a summation transmission, where the propulsion output transmission receives power from the summation transmission and directs the power to the propulsion element. The power transfer transmission system provides for transfer of power between the power transfer system and the summation transmission. The power transfer transmission system includes a power transfer shaft and a power transfer coupler and selectively connects the power transfer shaft to a propulsion outlet shaft, such that power is transferred directly from the power transfer system to the propulsion output transmission.

Abstract: The present disclosure is directed towards a power distribution system for a marine vessel. The power distribution system comprises auxiliary, first and second buses and first and second propulsors for propelling the marine vessel. A first power generation system is electrically connected to the first bus and operably connected to the first propulsor. A second power generation system is electrically connected to the second bus and operably connected to the second propulsor. The first and second buses are electrically connected to the auxiliary bus such that electrical power is transferable between the first and second power generation systems for driving the first and/or second propulsors.

Abstract: A tire apparatus is provided, the apparatus including a tire body for attachment to a wheel rim to define a first inflatable volume. An inner chamber defines a second inflatable volume which is located within the first inflatable volume of the tire body. A first fluid communication path is provided between the first and second inflatable volumes and a second fluid communication path is provided between the first inflatable volume and the atmosphere. A first valve opens and closes the first fluid communication path, and a second valve opens and closes the second fluid communication path. The tensile strength and pressure-containing capacity of the material structure of the second inflatable volume is greater than that of the tire first inflatable volume.

Abstract: A kinetic energy recovery system (KERS) is provided. The KERS (1) comprises a first speed-up gear arrangement (12) having an input (10) connectable to a vehicle powertrain. The KERS further comprises a hydraulic variator made up of first and second bent axis motors (20,22) fluidly connected to one another, wherein at least the first motor (20) is a variable displacement motor, and the first motor (20) is connected to an output of the first speed-up gear arrangement (12). A second speed-up gear arrangement (34) has an input connected to the second motor (22). At least one flywheel (52) is connected to an output of the second speed-up gear arrangement (34), where the at least one flywheel is located in a vacuum within at least one flywheel chamber (58).

Abstract: The present disclosure is directed towards a transmission system for a propulsion system. The propulsion system comprises at least one power unit, a power transfer system and at least one propulsion element. The transmission system comprises summation, propulsion output and power transfer transmissions. The summation transmission is configured to receive power from the at least one power unit and/or power transfer system. The propulsion output transmission comprises a first propulsion output shaft and is configured to receive power from the summation transmission and direct the power to the at least one propulsion element. The power transfer transmission is operably connected to the summation transmission and is configured to transfer power between the summation transmission and the power transfer system.

Abstract: A cooling system for a vehicle cab where the vehicle has an internal combustion engine is provided. The system comprises a cooling chamber having an ambient air intake, and first and second pairs of sorption vessels. Each pair of sorption vessels comprises a first sorption vessel containing a sorption solution which is located in the cooling chamber and is in fluid communication with a second sorption vessel located outside the cooling chamber. The system further comprises first and second cooling circuits, each circuit containing a coolant and being in heat exchange contact with a respective one of the second sorption vessels. A first control valve selectively directs coolant from the first or the second cooling circuit towards the cab. An exhaust passage conveys exhaust gases away from the engine, and the exhaust passage has at least one exhaust aperture in communication with the cooling chamber.

Abstract: A propulsion system for providing a power output is disclosed. The propulsion system may have a transmission configured to provide the power output. The propulsion system may also have at least one first energy conversion machine. Further, the propulsion system may have at least one power unit. The power unit may be operable to selectively drive at least one of the transmission and the at least one first energy conversion machine. The propulsion system may also have at least one second energy conversion machine. The second energy conversion machine may be operable to selectively drive or be driven by the transmission. In addition, the propulsion system may have a power transfer arrangement for transferring power between the first and second energy conversion machines.

Abstract: The present disclosure relates to a heating system for an exhaust gas treatment system. The heating system comprises a first heating element comprising a receiving surface for receiving a reductant fluid and a second heating element, which may surround the first heating element. The second heating element may be a thermochemincal or thermophysical device. In a first mode of operation the second heating element is arranged to receive thermal energy from engine exhaust gas. In second mode of operation the second heating element transfers thermal energy to heat the first heating element.

Abstract: A heating and cooling system for a vehicle having an internal combustion engine is provided. The system comprises at least one exhaust pipe conveying exhaust gases away from the engine, and a reactor vessel located in the exhaust pipe and containing an absorbent salt and a refrigerant fluid. A condenser is in fluid communication with the reactor vessel, and receives refrigerant vapour from the reactor when exhaust gases heat the reactor vessel in the exhaust pipe. An evaporator is locatable in a cab of the vehicle and is in fluid communication with the condenser and the reactor vessel. The evaporator receives condensed refrigerant from the condenser so as to cool the air surrounding the evaporator, and returning refrigerant vapour to the reactor vessel. A method of cooling a driver environment of a vehicle having an internal combustion engine is also provided, as is a vehicle incorporating the heating and cooling system.

Abstract: The present disclosure relates to a heating system for an exhaust gas treatment system. The heating system comprises a first heating element comprising a receiving surface for receiving a reductant fluid and a second heating element, which may surround the first heating element. The second heating element may be a thermochemincal or thermophysical device. In a first mode of operation the second heating element is arranged to receive thermal energy from engine exhaust gas. In second mode of operation the second heating element transfers thermal energy to heat the first heating element.

Abstract: A tyre apparatus is provided, the apparatus including a tyre body for attachment to a wheel rim to define a first inflatable volume. An inner chamber defines a second inflatable volume which is located within the first inflatable volume of the tyre body. A first fluid communication path is provided between the first and second inflatable volumes and a second fluid communication path is provided between the first inflatable volume and the atmosphere. A first valve opens and closes the first fluid communication path, and a second valve opens and closes the second fluid communication path. The tensile strength and pressure-containing capacity of the material structure of the second inflatable volume is greater than that of the tyre first inflatable volume.

Abstract: A propulsion system for providing a power output is disclosed. The propulsion system may have a transmission configured to provide the power output. The propulsion system may also have at least one first energy conversion machine. Further, the propulsion system may have at least one power unit. The power unit may be operable to selectively drive at least one of the transmission and the at least one first energy conversion machine. The propulsion system may also have at least one second energy conversion machine. The second energy conversion machine may be operable to selectively drive or be driven by the transmission. In addition, the propulsion system may have a power transfer arrangement for transferring power between the first and second energy conversion machines.

Abstract: A system for controlling slip of vehicle drive members is disclosed. The system includes a power train including a plurality of drive members and a hydraulic transmission configured to supply torque to at least one of the drive members. A magnitude of the torque is related to fluid flow in the hydraulic transmission. The system further includes a controller configured to control the fluid flow in the hydraulic transmission. The controller is configured to receive a signal indicative of a steering command and a signal indicative of a parameter related to pressure in the hydraulic transmission. The controller is further configured to control slip of the at least one drive member based on the signal indicative of a steering command and the signal indicative of a parameter related to pressure.

Abstract: A hydraulic energy recovery device for a hydraulic system is disclosed. The hydraulic energy recovery device has a first impeller configured to receive a flow of pressurized liquid, and a second impeller configured to pressurize a flow of liquid. The hydraulic energy recovery device also has a common shaft connecting the first and second impellers.