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1. (WO2017207048) LIQUID COOLING SYSTEM AND METHOD
Anmerkung: Text basiert auf automatischer optischer Zeichenerkennung (OCR). Verwenden Sie bitte aus rechtlichen Gründen die PDF-Version.

CLAIMS

Liquid cooling system (10) for cooling at least one electrical component (14), the liquid cooling system (10) comprising:

- a cooling circuit (12) having at least one supply branch (20) for supplying liquid coolant to an electrical component (14); and

- at least one deaeration line (28) to provide a connection between a high point (32) and a junction point (34) of the cooling circuit (12) to bypass a part of the cooling circuit (12);

wherein the pressure of the liquid coolant is lower in the junction point (34) than in the high point (32) during circulation of the liquid coolant in the liquid cooling system (10).

The liquid cooling system (10) according to claim 1, wherein the high point (32) is a high point (32) of the at least one supply branch (20).

The liquid cooling system (10) according to claim 1 or 2, wherein the junction point (34) is geodetically below the high point (32).

The liquid cooling system (10) according to claim 1 or 2, wherein the junction point (34) is geodetically above the high point (32).

The liquid cooling system (10) according to claim 1, wherein the liquid cooling system (10) comprises:

- a plurality of supply branches (20) for supplying liquid coolant to a plurality of electrical components (14); and

- at least one deaeration line (28) to provide a connection between each high point (32) of the supply branches (20) and at least one junction point (34) of the cooling circuit (12);

wherein the pressure of the liquid coolant is lower in the at least one junction point (34) than in the respective high point (32) connected to the junction point (34) by means of the deaeration line (28).

The liquid cooling system (10) according to claim 5, wherein the at least one junction point (34) is geodetically below the respective high point (32) connected to the junction point (34) by means of the deaeration line (28).

7. The liquid cooling system (10) according to claim 5 or 6, wherein the at least one deaeration line (28) provides a connection between each high point (32) of the supply branches (20) and one single junction point

(34) of the cooling circuit (12).

8. The liquid cooling system (10) according to any of the preceding claims, wherein the cooling circuit (12) comprises:

- an inlet flow line (18); and

- a return flow line (22);

wherein the at least one supply branch (20) provides a connection between the inlet flow line (18) and the return flow line (22).

9. The liquid cooling system (10) according to any of the preceding claims, wherein the cooling circuit (12) comprises:

- an inlet flow line (18); and

- a return flow line (22);

wherein the at least one junction point (34) is provided on the return flow line (22).

10. The liquid cooling system (10) according to any of the preceding claims, further comprising at least one electrical component (14) to be cooled.

11. The liquid cooling system (10) according to claims 8 or 9 and 10,

wherein the inlet flow line (18) is located geodetically below the at least one electrical component (14).

12. The liquid cooling system (10) according to any of the preceding claims, wherein the at least one high point (32) is a local high point.

13. The liquid cooling system (10) according to any of the preceding claims, wherein the at least one high point (32) is a geodetically highest point of the cooling circuit (12).

14. The liquid cooling system (10) according to any of the preceding claims, further comprising a valve (36) for closing the deaeration line (28).

15. Method of operating a liquid cooling system (10) for cooling at least one electrical component (14), the method comprising the steps of:

- circulating liquid coolant in a cooling circuit (12) having at least one supply branch (20) for supplying liquid coolant to an electrical component (14); and

- connecting at least one high point (32) and a junction point (34) of the cooling circuit (12) to bypass a part of the cooling circuit (12);

wherein the pressure of the liquid coolant is lower in the junction point

(34) than in the high point (32).