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Mazda Has Come Up With An All-wheel Drive Hybrid Based On A Rotary Motor

Mazda Has Come Up With An All-wheel Drive Hybrid Based On A Rotary Motor
Mazda Has Come Up With An All-wheel Drive Hybrid Based On A Rotary Motor

Video: Mazda Has Come Up With An All-wheel Drive Hybrid Based On A Rotary Motor

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Mazd has registered a new hybrid powertrain scheme with the Japanese Patent Office. It is built around a Wankel rotary piston engine (RPD). The schemes from the documents were published by the Japanese portal Super.Asurada.

Rotary engine behind the front axle of the hybrid powertrain
Rotary engine behind the front axle of the hybrid powertrain
Diagram of a hybrid power plant: 3 - rotary engine, 5 - 48-volt starter-generator, 4c - gearbox, 10 - electric motors in the front wheels
Diagram of a hybrid power plant: 3 - rotary engine, 5 - 48-volt starter-generator, 4c - gearbox, 10 - electric motors in the front wheels
V-shaped piston engine behind the front axle of the hybrid power plant
V-shaped piston engine behind the front axle of the hybrid power plant
  • Rotary engine with 34 hp 48-volt starter-generator. (200 Nm) is installed between the front axle and the passenger compartment. It transmits all traction to the rear axle through an unnamed gearbox, and each front wheel has a built-in 23-horsepower (200 Nm) 120-volt electric motor.

  • The front electric motors are powered by a supercapacitor and lithium-ion battery system located under the bonnet. The capacitors are charged by recuperation, transferring excess energy to the battery bank. In addition, a 48-volt battery with a capacity of 3.5 kWh is installed in the center of the car bottom.
  • The creators note that the new hybrid setup is more efficient and lighter than other all-wheel drive hybrids. Including due to the reduction in the length and weight of high-voltage wires. The main unit can be a standard internal combustion engine, but the developers consider a rotary motor more preferable due to its compact size and low weight.

It is not yet known which Mazd models will receive such a unit. The rotary engine will appear on the MX-30 electric crossover: it will be installed to charge the traction battery and increase the range.

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