阅读说明：本技术 液力机械、尤其是液力变矩器 (Hydraulic machine, in particular a torque converter ) 是由 P.戈雷茨基 于 2018-04-24 设计创作，主要内容包括：本发明涉及一种液力机械、尤其是液力变矩器,-所述液力机械具有能够以工作介质填充的工作空间,在所述工作空间中布置有至少一个安装有叶片的泵轮和安装有叶片的涡轮,以便从泵轮(2)向涡轮(3)液力地传递扭矩和/或驱动功率,-所述液力机械具有用于将工作介质输入工作空间(1)中的工作介质输入器件(4)和用于从工作空间(1)输出工作介质的工作介质排出器件(5),-所述液力机械具有调节阀(6),所述调节阀设置在工作介质输入器件中或者设置在从工作介质输入器件分支的、用于工作介质的旁路中,其中,借助所述调节阀能够通过调节用于流动通过所述调节阀的工作介质的流动横截面改变流入工作空间中的工作介质量,按照本发明的液力机械的特征在于,所述调节阀这样在工作介质输入器件和/或在工作介质排出器件上连接和操作,使得能够与工作介质输入器件中的工作介质压力相关地并且与工作介质排出器件中的工作介质压力相关地变化地调节所述调节阀的流动横截面。(The invention relates to a hydrodynamic machine, in particular a hydrodynamic torque converter, having a working space which can be filled with a working medium and in which at least one vane-mounted impeller and a vane-mounted turbine are arranged in order to transmit torque and/or drive power hydrodynamically from the impeller (2) to the turbine (3), having a working medium supply means (4) for supplying working medium into the working space (1) and a working medium discharge means (5) for discharging working medium from the working space (1), having a control valve (6) which is arranged in the working medium supply means or in a bypass for working medium which branches off from the working medium supply means, wherein the flow cross section of the working medium flowing through the control valve can be adjusted by means of the control valve to vary the inflow to the working medium The amount of working medium in the space is characterized in that the control valve is connected and operated to the working medium supply and/or to the working medium discharge in such a way that the flow cross section of the control valve can be variably adjusted as a function of the working medium pressure in the working medium supply and as a function of the working medium pressure in the working medium discharge.)

1. A hydrodynamic machine, in particular a hydrodynamic torque converter,

1.1 said hydraulic machine has a working space (1) which can be filled with a working medium, in which working space at least one vane-mounted impeller (2) and a vane-mounted turbine wheel (3) are arranged in order to transmit torque and/or drive power hydraulically from the impeller (2) to the turbine wheel (3),

1.2 said hydraulic machine having working medium inlet means (4) for feeding working medium into the working space (1) and working medium outlet means (5) for discharging working medium from the working space (1),

1.3 the hydraulic machine has a control valve (6) which is arranged in a working medium supply device (4) or in a bypass (7) for the working medium which branches off from the working medium supply device (4), wherein the amount of working medium flowing into the working space (1) can be varied by means of the control valve (6) by adjusting the flow cross section for the working medium flowing through the control valve,

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

1.4 the control valve (6) is connected to and actuated on the working medium supply (4) and/or on the working medium discharge (5) in such a way that the flow cross section of the control valve (6) can be variably adjusted as a function of the working medium pressure in the working medium supply (4) and as a function of the working medium pressure in the working medium discharge (5).

2. Hydrodynamic machine according to claim 1, characterized in that the control valve (6) has a valve body (9) which is prestressed by means of a prestressing element (8) and which interacts with a valve seat (10) for limiting and adjusting the flow cross section, wherein the prestressing of the prestressing element (8) can be varied, in particular manually.

3. Hydrodynamic machine, according to claim 1 or 2, characterized in that the control valve (6) is arranged in a bypass (7) and has a valve body (9) which is prestressed by means of a prestressing element (8) and which interacts with a valve seat (10) for limiting and adjusting the flow cross section, wherein the prestressing element acts on the valve body (9) in the closing direction of the control valve (6), and the valve body (9) is force-loaded against the prestressing force of the prestressing element (8) as a function of the working medium pressure in the working medium supply means (4) and the working medium discharge means (5).

4. Hydraulic machine according to claim 3, characterised in that the regulating valve (6) has a first working medium connection (11), a second working medium connection (12) and a working medium outflow (13), wherein the first working medium interface (11) is connected in a conducting manner to a working medium input device (4), the second working medium interface (12) is connected in a working medium conducting manner to the working medium discharge device (5), the first working medium connection (11) is connected in a flow-through manner to a working medium outlet (13) by means of a working fluid of a flow cross section, and the first working medium connection (11) and the second working medium connection (12) are each connected in a fluid-conducting manner to a respective or common active surface (14, 15) on the valve body (9), in order to apply a pressure to the valve body (9) counter to the pretensioning force of the pretensioning element (8).

5. A hydraulic machine as claimed in claim 3 or 4, characterized in that the regulating valve (6) is designed as a piston valve.

6. Hydraulic machine according to one of claims 3 to 5, characterised in that the pretensioning element (8) is designed as a pressure spring.

7. Hydraulic machine according to claims 4, 5 and 6, characterised in that the pressure spring acts on a first side of the valve body (9) designed as a piston and that the common active surfaces or active surfaces (14, 15) are arranged on the side of the valve body (9) opposite to the first side.

8. Hydrodynamic machine according to one of claims 4 to 7, characterized in that an orifice plate (16) is provided in the working medium outflow (13).

9. A hydrodynamic machine as claimed in one of claims 1 to 8, characterized in that the hydrodynamic machine is designed as a hydrodynamic torque converter which has at least one stator (17) fitted with blades in the working space (1) in addition to at least one pump impeller (2) and turbine impeller (3).

10. Hydrodynamic machine, according to claim 9, characterized in that the hydrodynamic torque converter is designed as a regulating torque converter with a regulating element, by means of which the torque ratio of the torques present on the pump wheel (2) and the turbine wheel (3) can be changed, wherein the regulating element is formed by blades of the pump wheel (2) and/or of the stator wheel (17) which can be adjusted relative to the flow of the working medium in the working space (1).

11. A drive train with a hydraulic machine according to one of claims 1 to 10, having a working medium supply with a working medium pump (18), wherein the working medium pump (18) is connected in a pressure-side fluid-conducting manner to a working medium inlet means (4) for supplying the hydraulic machine with a pressurized working medium, having a working medium reservoir (19), to which the working medium pump (18) is connected at least indirectly on the suction side, wherein a bypass (7) opens directly or indirectly into the working medium reservoir (19) via a control valve (6).

12. A drive train according to claim 11, wherein a hydrodynamic machine is arranged in a hydrodynamic power branch, which is connected in parallel with a purely mechanical power branch in the direction of the drive power flow, wherein a superposition transmission configured as a planetary gear (111) is provided, which comprises a ring gear (112), a sun gear (113) and a planet carrier (114) with a plurality of planet gears (115), which superposition the drive power transmitted via the hydrodynamic power branch and the purely mechanical power branch and inputs it into the output shaft (106).

13. A drive train according to claim 11 or 12, characterized in that the drive train further has a drive device (102) rotating at a constant rotational speed, and a work machine (103) rotating at a varying rotational speed and being at least indirectly connected with the output shaft (106).