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TWO-SPEED TRANSMISSION FOR ELECTRIC VEHICLE INCLUDING A PAIR OF MECHANICAL DIODES THAT ARE INDIVIDUALLY ENGAGED TO PROVIDE TWO GEAR RATIOS
TWO-SPEED TRANSMISSION FOR ELECTRIC VEHICLE INCLUDING A PAIR OF MECHANICAL DIODES THAT ARE INDIVIDUALLY ENGAGED TO PROVIDE TWO GEAR RATIOS
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机译:用于电动车辆的两速传输,包括一对机械二极管,它们单独接合以提供两个齿轮比
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摘要
A two-speed transmission for an electric vehicle includes a planetary gear set selectively coupling an input shaft and an output shaft. The planetary gear set is configured to provide two forward gear ratios and neutral. The planetary gear set includes at least one sun gear, at least one pinion in meshing engagement with the at least one sun gear, at least one ring gear meshingly engaged with the at least one pinion, and a carrier. The carrier supports the at least one pinion and is connected to the output shaft such that rotation of the carrier drives the output shaft. The two-speed transmission also includes one or more elements that rotatably couple the at least sun gear, the at least one pinion, the at least one ring gear, the input shaft, and the carrier with one another and/or a ground. Examples of such elements include clutches, brakes, and mechanical diodes.
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