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HYDRAULIC CLUTCH CONTROL MECHANIZATION WITH ALL-MODE DEFAULT FOR USE IN A MULTIMODE HYBRID TRANSMISSION
HYDRAULIC CLUTCH CONTROL MECHANIZATION WITH ALL-MODE DEFAULT FOR USE IN A MULTIMODE HYBRID TRANSMISSION
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机译:全模式默认液压离合器控制机械化,用于多模式混合动力传输
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摘要
A transmission includes first, second, third, and fourth clutches, first and second shift valves, and first, second, third, and fourth trim valves. Each trim valve is operative to control fluid pressure to a respective one of the first, second, third, and fourth clutches. The transmission also includes a controller. The controller is electrically operatively connected to the first and second shift valves and the first, second, third, and fourth trim valves to selectively provide a first clutch configuration for operating in a first mode and a second clutch configuration for operating in a second mode. The transmission also includes a clutch control mechanization for selectively moving to clutch configuration to a default position in the event power to the transmission is lost.
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