IP Library › Granted Patent US 12,648,113
Granted Patent B2
US 12,648,113 · App. 18/818,936 · Granted Jun 2, 2026

Electrically controlled venturi to inhibit leaks in a direct liquid cooling system

Inventors: Sandor Farkas (Round Rock, TX); Bhyrav Mutnury (Round Rock, TX)
Assignee: Dell Products L.P.
H05K7/20272F16K31/06F16L55/1003H01F7/20
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Quick Facts
Patent No.
US 12,648,113
App. No.
18/818,936
Granted
Jun 2, 2026
Kind
B2
Abstract

A liquid cooling system includes first and second coolant tubes and a coupler to couple the first coolant tube to the second coolant tube. The first coolant tube receives coolant liquid from a first element of the liquid cooling system. The second coolant tube provides the coolant liquid to a second element of the liquid cooling system. The coupler is configured to receive an electrical signal to constrict a flow of the coolant liquid.

Claims (33)

1 . A liquid cooling system, comprising:

a first coolant tube to receive coolant liquid from a first element of the liquid cooling system, wherein the coolant liquid includes ferromagnetic particles;

a second coolant tube to provide the coolant liquid to a second element of the liquid cooling system; and

a coupler to couple the first coolant tube to the second coolant tube;

wherein the coupler is configured to receive an electrical signal to constrict a flow of the coolant liquid.

2 . The liquid cooling system of claim 1 , wherein the coupler includes a wire winding around a perimeter of the coupler, the wire winding to receive the electrical signal.

3 . The liquid cooling system of claim 2 , wherein, when the coupler receives the electrical signal, the wire winding creates a magnetic field within the coupler.

4 . The liquid cooling system of claim 3 , wherein, when the coupler receives the electrical signal, the magnetic field within the coupler creates a floating obstruction of the ferromagnetic particles.

5 . The liquid cooling system of claim 4 , wherein, when the electrical signal has a first value, the floating obstruction partially obstructs a flow of the coolant liquid.

6 . The liquid cooling system of claim 5 , wherein the floating obstruction reduces a leak in the liquid cooling system.

7 . The liquid cooling system of claim 5 , wherein, when the electrical signal has a second value greater than the first value, the floating obstruction fully obstructs the flow.

8 . The liquid cooling system of claim 1 , wherein the electrical signal is received in response to a detection of a coolant liquid leak.

9 . The liquid cooling system of claim 8 , wherein the leak is at the coupler.

10 . A method, comprising:

providing, in a liquid cooling system, a first coolant tube to receive coolant liquid from a first element of the liquid cooling system, wherein the coolant liquid includes ferromagnetic particles;

providing, in the liquid cooling system, a second coolant tube to provide the coolant liquid to a second element of liquid cooling system;

providing, in the liquid cooling system, a coupler to couple the first coolant tube to the second coolant tube; and

receiving, by the coupler, an electrical signal to constrict a flow of the coolant liquid.

11 . The method of claim 10 , further comprising:

providing, in the coupler, a wire winding around a perimeter of the coupler; and

receiving, by the wire winding, the electrical signal.

12 . The method of claim 11 , wherein, when the coupler receives the electrical signal, the wire winding creates a magnetic field within the coupler.

13 . The method of claim 12 , wherein, when the coupler receives the electrical signal, the magnetic field within the coupler creates a floating obstruction of the ferromagnetic particles.

14 . The method of claim 13 , wherein, when the electrical signal has a first value, the floating obstruction partially obstructs a flow of the coolant liquid.

15 . The method of claim 14 , wherein the floating obstruction reduces a leak in the liquid cooling system.

16 . The method of claim 14 , wherein, when the electrical signal has a second value greater than the first value, the floating obstruction fully obstructs the flow.

17 . The method of claim 10 , wherein the electrical signal is received in response to a detection of a coolant liquid leak.

18 . A liquid cooling system, comprising:

a first coolant tube to receive coolant liquid from a first element of the liquid cooling system, wherein the coolant liquid includes ferromagnetic particles;

a second coolant tube to provide the coolant liquid to a second element of the liquid cooling system;

a coupler to couple the first coolant tube to the second coolant tube; and

a leak detector configured to provide an electrical signal in response to a leak of the coolant liquid;

wherein the coupler is configured to receive the electrical signal and to create a floating obstruction of the ferromagnetic particles within the coupler to constrict a flow of the coolant liquid.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 29, 2024
From: FARKAS, SANDOR; MUTNURY, BHYRAV
To: DELL PRODUCTS L.P.
Reel/Frame 068438/0850 →
Continuity (1)
Related Publication 20260068087A1 · Mar 5, 2026
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