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Hydraulic Transaxle Apparatus For A Four-Wheel-Drive Vehicle and Four-Wheel-Drive Vehicle Using The Apparatus
Hydraulic Transaxle Apparatus For A Four-Wheel-Drive Vehicle and Four-Wheel-Drive Vehicle Using The Apparatus
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机译：用于四轮驱动车辆的液压驱动桥设备和使用该设备的四轮驱动车辆的液压驱动桥设备
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摘要
An articulated vehicle with a working device has a first frame having a prime mover mounted thereon and supporting a first transaxle apparatus. The first transaxle apparatus includes an input shaft receiving power from the prime mover, a pair of first axles, and a hydrostatic transmission. The hydrostatic transmission comprises a variable hydraulic pump, a first hydraulic motor fluidly connected to the hydraulic pump via a fluid passage, and a housing with a flexible port fluidly connected to the fluid passage. The second transaxle apparatus includes a pair of second axles having different lengths and a second hydraulic motor. The second hydraulic motor is fluidly connected via piping to a directionally adjustable connection portion of the flexible port. Proximal ends of the first and second frames with respect to the vehicle are coupled to each other so that the first and second frames are rotatable around a vertical axis relative to each other when steered.
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