阅读说明：本技术 液力缓速器 (Hydraulic retarder ) 是由 B.戈思 J.P.维特曼 M.布卢门斯托克 D.劳克曼 于 2019-09-04 设计创作，主要内容包括：本发明涉及一种液力缓速器,所示液力缓速器具有转子和定子或者具有转子和逆向转子,转子和定子或者转子和逆向转子共同构成环状的可由工作介质填充的工作腔,以借助液力的工作腔工作介质循环传递扭矩；具有外部工作介质循环,其中设有用于从工作介质中输出热量的热交换器,其中,外部工作介质循环通过工作介质入口和工作介质出口工作介质导通地连接在工作腔上并且工作介质入口以及工作介质出口在工作腔的环外径上通入工作腔中；具有通入外部工作介质循环中的工作介质输入管路。按照本发明的液力缓速器的特征在于,芯环填充管路工作介质导通地连接在工作腔上,芯环填充管路在环外径的径向内部通入工作腔的芯环中。(The invention relates to a hydrodynamic retarder which is provided with a rotor and a stator or a rotor and a reverse rotor, wherein the rotor and the stator or the rotor and the reverse rotor jointly form an annular working cavity which can be filled with working medium, so that torque is transmitted by means of the circulation of the working medium of the hydrodynamic working cavity; the external working medium circulation is connected to the working chamber in a conducting manner via a working medium inlet and a working medium outlet, and the working medium inlet and the working medium outlet open into the working chamber on the outer diameter of the working chamber; the device is provided with a working medium input pipeline leading into the external working medium circulation. The hydrodynamic retarder according to the invention is characterized in that the working medium of the core ring filling line is connected to the working chamber in a conducting manner, and the core ring filling line opens into the core ring of the working chamber radially inside the ring outer diameter.)