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US 2025/0346104 A1Published application
Electric axle with two-speed high ratio coaxial reducer and separate high speed reducer
AssigneeSchaeffler Technologies AG & Co. KG
InventorBenedikt Neubauer
Life of this patent
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Abstract
An electric beam axle includes an electric motor, a high-speed reducer, a shiftable reducer, and a differential. The shiftable reducer includes a planetary gearset and the differential at least one of a spur or bevel gear differential. The electric motor, high-speed reducer, shiftable reducer and rolling differential are aligned coaxially providing a radially compact electric beam axle.
Claims19
An electric beam axle for a hybrid or electric vehicle, the electric beam axle comprising:
- an electric motor;
- a planetary ratio reducer coupled to the electric motor;
- a shiftable high ratio reducer driven by the planetary ratio reducer;
- and
- a differential driven by the shiftable high ratio reducer and connectable to a first vehicle wheel and a second vehicle wheel.
2 more elements
A gear train for an electric vehicle comprising:
- a planetary ratio reducer having an input shaft for receiving rotational energy from an electric motor;
- a shiftable high ratio reducer driven by the planetary ratio reducer;
- and
- a differential driven by the shiftable high ratio reducer and connectable to a first vehicle wheel and a second vehicle wheel.
1 more element
Dependencies are inferred from the claim text.