Volvo Truck Corporation

Volvo Lastvagnar Ab

Volvo Technology Corporation

Martin West

Per I Persson

Richard Sebestyen

Jonas Storm

Göran Haraldsson

John Simonsson

A hybrid energy system is provided in a vehicle including an autonomous power supply and being connectable to an external power supply infrastructure along the route of the vehicle, and which vehicle is arranged to operate in an autonomous power supply mode and/or in an external power supply mode. The system includes a first high voltage circuit including a first traction motor connected to an energy storage system by a first power converter for propelling the vehicle; a second high voltage circuit including a second traction motor connectable to an external power supply by a second power converter for propelling the vehicle; and where the first high voltage circuit and the second high voltage circuit are connectable by a third power converter between the first and the second power converters. A method for operating the hybrid energy system is also provided.

Hybrid vehicle

A turbo compound transmission, such as in a heavy duty or medium duty diesel engine, includes a turbo compound turbine to be driven by exhaust gases from an internal combustion engine, and a coupling including a first rotor including a mechanical input drive adapted to be driven by the turbine, and a second rotor including a mechanical output drive. A brake is arranged to brake and limit the rotation of the turbine. The coupling is arranged to decouple when braking with the brake, subjecting the coupling to a torque above a predetermined torque limit. A method for controlling a turbo compound transmission is also disclosed.

Turbo compound transmission and a method for controlling a turbo compound transmission

An electromagnetic, continuously variable transmission power split turbo compound includes a turbo compound turbine driven by exhaust gases from an internal combustion engine, and a power split device comprising a magnetic gear arrangement. The magnetic gear arrangement includes a high speed rotor comprising a first quantity of permanent magnets, a low speed rotor comprising a second quantity of permanent magnets, and a plural pole rotor between the high speed rotor and the low speed rotor. A first rotor of the high speed rotor, the low speed rotor, and the plural pole rotor includes a mechanical input drive adapted to be driven by the turbine. A second rotor of the high speed rotor, the low speed rotor, and the plural pole rotor includes a mechanical output drive. A third rotor of the high speed rotor, the low speed rotor, and the plural pole rotor is unconnected to a mechanical drive and includes a controlling rotor for controlling a ratio of input drive angular velocity to output drive angular velocity.

Electromagnetic, continuously variable transmission power split turbo compound and engine and vehicle comprising such a turbo compound

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Göteborg, Sweden

Martin West