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[CN 201820622668.3] Hydraulic Machine Title: Hydraulic Machine Application Number: CN 201820622668.3 Applicant: Voith Patent Co., Ltd. Application Date: 2018-4-27 Patent Type: Utility Model The utility model relates to a hydraulic machine, especially a hydraulic reducer, which has a vane rotor and a vane stator. The rotor and the stator form an annular working space, which can be filled with working medium, in order to form a hydraulic circulating fluid therein to transmit working torque. In this case, the rotor is driven about the axis of rotation by a drive shaft of the hydraulic machine, which is mounted in the gear housing via two bearings. In order to simplify the construction and improve the assembly, it is proposed that the drive shaft is constructed in multiple parts, the drive shaft comprises a main shaft part with a first bearing, a bearing seat with a second bearing and a central bolt, and the central bolt has a bearing point for a torque-proof coupling of the pump. In such a structure, the connector can be omitted.
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