阅读说明：本技术 自动变速机构的油冷却循环回路 (Oil cooling circulation loop of automatic speed change mechanism ) 是由 R.费恩尔 于 2019-09-05 设计创作，主要内容包括：本发明涉及一种用于驱动传动系中的自动变速机构或自动换挡变速机构的供油装置,该供油装置包括油底壳和热交换器,其中,该供油装置设置用于自动变速机构的至少以下运行状态：变矩器运行；使用机械挡位之一的行驶运行；缓行器运行。为了优化在不同的运行状态下的对油体积流的冷却,按照本发明建议,设置两个热交换器(11、12),分别根据自动变速机构的运行状态,油体积流能输送通过这两个热交换器。(The invention relates to an oil supply device for an automatic transmission or an automatic shifting transmission in a drive train, comprising an oil sump and a heat exchanger, wherein the oil supply device is provided for at least the following operating states of the automatic transmission: operating the torque converter; a driving operation using one of the mechanical gears; and (5) operating the retarder. In order to optimize the cooling of the oil volume flow in different operating states, according to the invention two heat exchangers (11, 12) are provided, through which the oil volume flow can be conveyed in each case as a function of the operating state of the automatic transmission.)

1. Oil supply device of an automatic transmission or of an automatic gear shift transmission in a drive train, comprising an oil sump (19) and a heat exchanger (11, 12), wherein the oil supply device is provided for at least the following operating states of the automatic transmission:

operating the torque converter;

a driving operation using one of the mechanical gears;

the operation of the retarder is carried out,

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

two heat exchangers (11, 12) are provided through which a volume flow (21a, b, c) of oil can be conveyed, depending on the operating state of the automatic transmission.

2. An oil supply device according to claim 1, characterised in that a measuring device (20) is provided for measuring the temperature of the oil circuit, by means of which the temperature of the oil volume flow (21a, b, c) can be measured in all operating states.

3. The oil cooling circuit according to claim 1, characterized in that the measuring device (20) comprises a sensor by means of which the temperature of the oil volume flow (21a, b) flowing into the first and/or second heat exchanger (11, 12) can be measured.

4. An oil cooling circuit according to claim 1, characterized in that the heat exchangers (11, 12) are designed for different oil volume flows (21a, b).

5. An oil cooling circuit according to claim 1, characterized in that the proportion of the oil volume flows (21a, b) through the first heat exchanger (11) and the second heat exchanger is designed to be 1: 2.

6. oil cooling circuit according to claim 1, characterized in that valves (5, 13, 14) are provided, by means of which the oil volume flow (21a, b) can be adjusted.

7. An oil cooling circuit according to claim 1, characterized in that a pressure regulating valve (5) is provided for regulating the oil volume flow (21d) through the torque converter (2), wherein the pressure regulating valve (5) is arranged between the torque converter (2) and the first and second heat exchangers (11, 12).

8. An oil cooling circuit according to claim 1, characterized in that a first switching valve (13) and a second switching valve (14) are provided, so that in braking operation of the retarder a volume flow (21c) of oil can be conveyed through the second heat exchanger (12) in order to discharge braking energy.

9. The oil cooling circuit according to claim 1, characterized in that the first switching valve (13) can be switched such that, in driving operation in one of the mechanical gears using the automatic transmission, a volume flow (21d) of oil from the oil sump (19) can be conveyed via the bypass line (4) through the second heat exchanger (12) and/or the first heat exchanger (11).