BorgWarner has entered into an agreement with ChangAn Automobile of China to supply its triple-clutch P2 drive module and electro-hydraulic control unit for ChangAn’s new-generation hybrid transmission. The components-major expects to achieve mass production of its P2 modules on the new model of Changan in 2020.

The integrated P2 drive module and electro-hydraulic control unit is claimed to offer improved fuel economy and emissions, which provide better system efficiency and performance. Its scalable, modular design covers different torques, will be available with an optional E-motor and is compatible with high voltage PHEV, high voltage HEV and 48V systems. The lightweight S-wind motor has a compact design offers high torque density, especially suitable for P2 hybrids that are expected to become the mainstream of hybrid architectures.

BorgWarner’s P2 drive module is also available in an off-axis configuration. This design places the electric motor parallel to the main axis and connects the system via one of the company’s durable chain technologies, ensuring maximum torque transfer. The company’s P2 drive modules give OEMs the flexibility to place the electric motor where they have space in existing architectures, either on- or off-axis. By using BorgWarner’s award winning S-wind wire-forming process to create the motor, the P2 drive module produces high power and torque densities in an extremely compact package.

By placing the electric motor directly between the internal combustion engine and the transmission, BorgWarner’s on-axis P2 drive module delivers cost-effective hybridisation by being compatible with existing vehicle platforms. The innovative P2 solution offers the possibility of integrating up to three clutches, including a disconnecting clutch, which allows the system to decouple from the engine for pure electric driving, enabling customers to achieve both their individual fuel-efficiency and performance goals. In addition, BorgWarner can supply the electrohydraulic controls for actuating the wet clutches, giving customers the option to choose individual components or a complete system.

The innovative manufacturing process allows BorgWarner to produce smaller, more powerful high-voltage electric motors on a mass scale and will help drive growth in the hybrid and electric vehicle market. In addition, unlike other off-axis P2 solutions that use a belt to attach the system, BorgWarner’s off-axis drive module delivers top performance from connecting the P2 via one of its best-in-strength and durability, quiet, chain drive technologies. Moreover, the solution offers stop/start, regenerative braking and supplemental electric propulsion, and is available for 48-volt and high-voltage hybrid systems.

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