# US 12,016,160 B2 · Diversion system and cooling system applicable to cooling device

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- Number: US 12,016,160 B2
- Document ID: US12016160B2
- Status: Granted
- Kind: B2
- Application number: 16/961,585
- Filed: 2019-01-22
- Published: 2021-01-14
- Granted: 2024-06-18
- Earliest claimed: 2018-02-02
- Assignees: Alibaba Group Holding Limited
- Applicants: Alibaba Group Holding Limited
- Inventors: Yangfan Zhong
- Web page: https://patentgrep.com/patent/US12016160B2

## CPC

- H05K 7/20236: {by immersion}
- H05K 7/2079: {within rooms for removing heat from cabinets}
- B01D 29/60: integrally combined with devices for controlling the filtration
- B01D 35/027: rigidly mounted in or on tanks or reservoirs (B01D35/04 takes precedence)
- H05K 7/20272: {Accessories for moving fluid, for expanding fluid, for connecting fluid conduits, for distributing fluid, for removing gas or for preventing leakage, e.g. pumps, tanks or manifolds}
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28)

## Abstract

A diversion system and a cooling system, the diversion system comprising a storage tank and a pumping apparatus, the storage tank is used for storing a cooling medium, and the pumping apparatus comprises an inlet and an outlet. First pipeline is connected between a cooling device and the outlet of the pumping apparatus, second pipeline is connected between the storage tank and the outlet of the pumping apparatus, third pipeline is connected between the cooling device and the inlet of the pumping apparatus, fourth pipeline is connected between the storage tank and the inlet of the pumping apparatus, and first pipeline, second pipeline, third pipeline, and fourth pipeline selectively conducting or closed. When the diversion system is operating, first or second pipelines is conducting, and third or fourth pipelines is conducting; and the pumping apparatus extracts the cooling medium by one of third or fourth pipelines that is conducting, and conveys the cooling medium externally by first or second pipelines that is conducting.

## Claims

### Claim 1

A diversion system, comprising:
a storage tank and a pumping apparatus, the storage tank for storing a cooling medium, and the pumping apparatus comprising an inlet and an outlet, wherein
a first pipeline is coupled between a cooling device and the outlet of the pumping apparatus, a second pipeline is coupled between the storage tank and the outlet of the pumping apparatus, a third pipeline is coupled between the cooling device and the inlet of the pumping apparatus, a fourth pipeline is coupled between the storage tank and the inlet of the pumping apparatus, and the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline configured selectively to be conducting or be closed; and wherein:
when the diversion system is operating, one of the first or the second pipelines is conducting, and one of the third or the fourth pipelines is conducting; and
the pumping apparatus extracts the cooling medium by one of the third or the fourth pipelines that is conducting, and conveys the cooling medium externally by one of the first or the second pipelines that is conducting.

### Claim 2 (depends on 1)

The diversion system according to claim 1, configured into one of a first operating mode and a second operating mode; wherein
when the diversion system is in the first operating mode, the first pipeline and the fourth pipeline are conducting, and the second pipeline and the third pipeline are closed;
the pumping apparatus extracts cooling medium from the storage tank by the fourth pipeline, and conveys the cooling medium into the cooling device by the first pipeline; and
when the diversion system is in the second operating mode, the second pipeline and the third pipeline are conducting, and the first pipeline and the fourth pipeline are closed; and the pumping apparatus extracts the cooling medium from the cooling device by the third pipeline, and conveys the cooling medium into the storage tank by the second pipeline.

### Claim 3 (depends on 2)

The diversion system according to claim 2, further comprising a controller for controlling conducting or closing of the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline, and a measuring meter for detecting a volume of the cooling medium in the cooling device, the measuring meter in communicative connection to the controller; wherein
when the measuring meter detects the volume of the cooling medium in the cooling device is less than a first volume, the controller controls the first pipeline and the fourth pipeline to be conducting and the second pipeline and the third pipeline to be closed, so as to switch the diversion system to the first operating mode, and
when the measuring meter detects the volume of the cooling medium in the cooling device exceeds a second volume, the controller controls the second pipeline and the third pipeline to be conducting and the first pipeline and the fourth pipeline to be closed, so as to switch the diversion system to the second operating mode, wherein the second volume is greater than the first volume.

### Claim 4 (depends on 1)

The diversion system according to claim 1, further comprising a first filter in communication with the second pipeline or the fourth pipeline; and
the diversion system comprising a third operating mode, wherein when the diversion system is in the third operating mode, the second pipeline and the fourth pipeline are conducting, and the first pipeline and the third pipeline are closed; the pumping apparatus extracts the cooling medium from the storage tank by means of the fourth pipeline, and conveys the cooling medium back to the storage tank by the second pipeline; and the first filter filters the cooling medium flowing therethrough.

### Claim 5 (depends on 4)

The diversion system according to claim 4, wherein the first filter is disposed in the storage tank.

### Claim 6 (depends on 4)

The diversion system according to claim 4, further comprising a controller for controlling conducting or closing the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline, and a first detector for detecting purity of the cooling medium in the storage tank, the first detector in communicative connection to the controller; and
when the first detector detects the purity of the cooling medium in the storage tank is less than a preset value, the controller controls the second pipeline and the fourth pipeline to be conducting and the first pipeline and the third pipeline to be closed, so as to switch the diversion system to the third operating mode.

### Claim 7 (depends on 1)

The diversion system according to claim 1, further comprising a second filter provided in communication with the first pipeline or the third pipeline; and
the diversion system comprising a fourth operating mode, wherein when the diversion system is in the fourth operating mode, the first pipeline and the third pipeline are conducting, and the second pipeline and the fourth pipeline are closed; the pumping apparatus extracts the cooling medium from the cooling device by the third pipeline, and conveys the cooling medium to the cooling device by the first pipeline; and the second filter filters the cooling medium flowing therethrough.

### Claim 8 (depends on 7)

The diversion system according to claim 7, further comprising a controller for controlling conducting or closing of the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline, and a second detector for detecting purity of the cooling medium in the cooling device, the second detector in communicative connection to the controller; wherein
when the second detector detects the purity of the cooling medium in the cooling device is less than a preset value, the controller controls the first pipeline and the third pipeline to be conducting and the second pipeline and the fourth pipeline to be closed, so as to switch the diversion system to the fourth operating mode.

### Claim 9 (depends on 1)

The diversion system according to claim 1, wherein the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline are provided with a valve; and the valve can be opened or closed so that a corresponding pipeline in the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline is conducting or closed.

### Claim 10 (depends on 1)

The diversion system according to claim 1, wherein the first pipeline and the second pipeline are connected to a first common pipeline by a three-way connector, and both the first pipeline and the second pipeline are connected to the outlet of the pumping apparatus by the first common pipeline.

### Claim 11 (depends on 1)

The diversion system according to claim 1, wherein the third pipeline and the fourth pipeline are connected to a second common pipeline by a three-way connector, and both the third pipeline and the fourth pipeline are connected to the inlet of the pumping apparatus by the second common pipeline.

### Claim 12 (depends on 1)

The diversion system according to claim 1, wherein the first pipeline and the third pipeline are connected to a third common pipeline by means of a three-way connector, and both the first pipeline and the third pipeline are connected to the cooling device by the third common pipeline.

### Claim 13

A diversion system applicable to a cooling device, the diversion system comprising:
a storage tank and a pumping apparatus, the storage tank for storing a cooling medium, and the pumping apparatus comprising an inlet and an outlet;
a first pipeline connected between the cooling device and the outlet of the pumping apparatus, a second pipeline connected between the storage tank and the outlet of the pumping apparatus, a third pipeline connected between the cooling device and the inlet of the pumping apparatus, a fourth pipeline connected between the storage tank and the inlet of the pumping apparatus, and the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline selectively conducting or closed; wherein
when the diversion system is operating, at least two of the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline are conducting.

### Claim 14

A cooling system comprising a first storage tank, a second storage tank and a pumping apparatus, the first storage tank and the second storage tank for storing a cooling medium, the first storage tank communicating with the second storage tank by the pumping apparatus, and the cooling system is configured to operate in one of a first mode and a second mode; wherein
in the first mode, the cooling medium in the first storage tank is introduced into the second storage tank by the pumping apparatus; in the second mode, the cooling medium in the second storage tank is introduced into the first storage tank by the pumping apparatus; and in the first mode and the second mode, direction of the cooling medium flowing through the pumping apparatus are the same.

### Claim 15 (depends on 14)

The cooling system of claim 14, wherein
in the first mode, the first pipeline and the fourth pipeline are conducting, and the second pipeline and the third pipeline are closed;
the pumping apparatus extracts cooling medium from the storage tank by the fourth pipeline, and conveys the cooling medium into the cooling device by the first pipeline; and
in the second mode, the second pipeline and the third pipeline are conducting, and the first pipeline and the fourth pipeline are closed; and the pumping apparatus extracts the cooling medium from the cooling device by the third pipeline, and conveys the cooling medium into the storage tank by the second pipeline.

### Claim 16 (depends on 15)

The cooling system according to claim 15, further comprising a controller for controlling conducting or closing of the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline, and a measuring meter for detecting a volume of the cooling medium in the cooling device, the measuring meter in communicative connection to the controller; wherein
when the measuring meter detects the volume of the cooling medium in the cooling device is less than a first volume, the controller controls the first pipeline and the fourth pipeline to be conducting and the second pipeline and the third pipeline to be closed, so as to switch the diversion system to the first mode, and
when the measuring meter detects the volume of the cooling medium in the cooling device exceeds a second volume, the controller controls the second pipeline and the third pipeline to be conducting and the first pipeline and the fourth pipeline to be closed, so as to switch the cooling system to the second mode, wherein the second volume is greater than the first volume.

### Claim 17 (depends on 15)

The cooling system according to claim 15, further comprising a first filter in communication with the second pipeline or the fourth pipeline; and
configured to operate in a third mode, wherein when the cooling system is in the third mode, the second pipeline and the fourth pipeline are conducting, and the first pipeline and the third pipeline are closed; the pumping apparatus extracts the cooling medium from the storage tank by means of the fourth pipeline, and conveys the cooling medium back to the storage tank by the second pipeline; and the first filter filters the cooling medium flowing therethrough.

### Claim 18 (depends on 17)

The cooling system according to claim 17, wherein the first filter is disposed in the storage tank.

### Claim 19 (depends on 17)

The cooling system according to claim 17, further comprising a controller for controlling conducting or closing the first pipeline, the second pipeline, the third pipeline, and the fourth pipeline, and a first detector for detecting purity of the cooling medium in the storage tank, the first detector in communicative connection to the controller; and
when the first detector detects the purity of the cooling medium in the storage tank is less than a preset value, the controller controls the second pipeline and the fourth pipeline to be conducting and the first pipeline and the third pipeline to be closed, so as to switch the cooling system to the third mode.

### Claim 20 (depends on 15)

The cooling system according to claim 15, further comprising a second filter in communication with the first pipeline or the third pipeline; and
configured to operate in a fourth mode, wherein when in the fourth mode, the first pipeline and the third pipeline are conducting, and the second pipeline and the fourth pipeline are closed; the pumping apparatus extracts the cooling medium from the cooling device by the third pipeline, and conveys the cooling medium to the cooling device by the first pipeline; and the second filter filters the cooling medium flowing therethrough.
