Invention Grant
US08088030B2 Electrically variable transmission with modular construction 有权
电动变速箱采用模块化结构

Electrically variable transmission with modular construction
Abstract:
An electrically-variable transmission is provided with substantially identical motor modules to simplify assembly and realize economies of scale in purchasing and testing the motor modules. First and second motor modules are packaged within a transmission casing and are operatively connecting the input member and the output member and coaxially arranged about the axis of rotation. Each motor module includes a respective motor/generator with a rotor rotatable about the axis of rotation and defining a rotor cavity. A planetary gear set is packaged within the cavity and has a first, a second and a third member. A rotor hub supports the rotor and has first and second annular end portions at opposing ends of the rotor hub, and an annular midportion connected for common rotation with the first member of the planetary gear set. A selectively engagable rotating-type clutch is packaged within the cavity and connected with the rotor hub.
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