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.)

1. A hydrodynamic retarder (1) having a rotor (2) and a stator (3) or having a rotor (2) and a counter-rotor (3) which together form an annular working chamber (4) which can be filled with a working medium in order to transmit torque by means of a hydrodynamic working chamber working medium circuit (5);

the hydrodynamic retarder comprises an external working medium circuit (6), in which a heat exchanger (7) for removing heat from the working medium is arranged, wherein the external working medium circuit (6) is connected to the working chamber (4) in a working medium conducting manner via a working medium inlet (8) and a working medium outlet (9), and the working medium inlet (8) and the working medium outlet (9) open into the working chamber (4) at the outer diameter (D) of the working chamber (4).

The hydrodynamic retarder is provided with a working medium input pipeline (10) communicated into an external working medium circulation (6);

it is characterized in that the preparation method is characterized in that,

the working medium of the core ring filling pipeline (11) is connected to the working cavity (4) in a conducting manner, and the core ring filling pipeline is communicated into the core ring (12) of the working cavity (4) at the radial inner part of the outer diameter (D) of the annular surface.

2. A hydrodynamic retarder (1) according to claim 1, characterized in that the working medium inlet line (10) is connected to a working medium pressure line (17) and in particular to a tank line (18) by means of a reversing valve (16).

3. A hydrodynamic retarder (1) according to one of claims 1 or 2, characterized in that the core ring filling line (11) branches off from the working medium feed line (10).

4. A hydrodynamic retarder (2) according to claim 3, characterized in that a throttle device (14) for generating a predetermined pressure difference in the working medium feed line (10) is arranged after the branching point (13) of the core ring filling line (11) in the flow direction of the working medium flowing into the working chamber (4) via the working medium feed line (10).

5. A hydrodynamic retarder (1) according to claim 3 or 4, characterized in that a throttle device (15) for generating a preset pressure difference is arranged in the core ring filling line (11).

6. A hydrodynamic retarder (1) according to one of claims 2-5, characterized in that the reversing valve (16) is designed as an 3/2 reversing valve.

7. A hydrodynamic retarder (1) according to claim 1 or 2, characterized in that the core ring filling line (11) is designed in parallel with and independent of the working medium feed line (10).

8. A hydrodynamic retarder (1) according to claims 2 and 7, characterized in that the core ring filling line (11) and the working medium inlet line (10) are connected to different outlets of a directional valve (16).

9. A hydrodynamic retarder (1) according to claim 8, characterized in that the reversing valve (16) is designed as an 4/2 reversing valve.

10. A hydrodynamic retarder (1) according to one of claims 2-9, characterized in that a working medium can be passed through the working medium inlet line (10) in two opposite directions for selectively leading working medium into and out of the external working medium circulation (6).

11. A hydrodynamic retarder (1) according to any of claims 1, characterized in that in the external working medium circulation (6) at least one reversing valve (19, 20) is arranged in front of and behind the heat exchanger (7), respectively, in the flow direction of the working medium, in order to decouple the heat exchanger (7) from the external working medium circulation (6).