# US 2023/0056832 A1 · Variable-part liquid cooling pumping unit

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2023/0056832 A1
- Document ID: US20230056832A1
- Status: Published application
- Kind: A1
- Application number: 17/408,464
- Filed: 2021-08-22
- Published: 2023-02-23
- Earliest claimed: 2021-08-22
- Assignees: Cooler Master Co., Ltd.
- Applicants: Cooler Master Co., Ltd.
- Inventors: Shui-fa Tsai; Tsung-wei Lin
- Web page: https://patentgrep.com/patent/US20230056832A1

## CPC

- 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}
- F04D 1/00: Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps (adapted for pumping specific fluids F04D7/00; priming or boosting F04D9/00)
- F04D 13/0606: {Canned motor pumps}
- F04D 13/0673: {the motor being of the inside-out type}
- F04D 29/4293: {Details of fluid inlet or outlet}
- F04D 29/445: {especially adapted for liquid pumps}
- F04D 29/586: {specially adapted for liquid pumps}
- F28F 3/12: Elements constructed in the shape of a hollow panel, e.g. with channels {(F28D1/02, F28D1/03 take precedence)}
- G06F 1/20: Cooling means
- H10W 40/47: by flowing liquids, e.g. forced water cooling
- F28D 2021/0029: {Heat sinks}
- F28F 2250/08: Fluid driving means, e.g. pumps, fans
- G06F 2200/201: Cooling arrangements using cooling fluid
- H01M 10/613: Cooling or keeping cold
- H05K 7/14: Mounting supporting structure in casing or on frame or rack
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- F04D: NON-POSITIVE-DISPLACEMENT PUMPS (engine fuel-injection pumps F02M; ion pumps H01J41/12; electrodynamic pumps H02K44/02)
- F28F: DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION (water and air traps, air venting F16)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)
- H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- F28D: HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT (fluid heaters having heat generating means and heat transferring means F24H; furnaces F27; details of heat-exchange apparatus of general)
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY

## Abstract

A variable-part liquid cooling pumping unit comprising a water block unit having a water block set, flow guiding plate, and water block cover, and a pump unit having a pump housing assembly is provided. The pump housing assembly comprises an impeller cavity inlet, flow adjusting disc, impeller cavity, and impeller cavity outlet opening. Inlet and outlet ports are positioned on a same side of and plane as the pump housing assembly. More than one water block unit and pump unit are provided and interchangeable. During operation, working fluid is sucked via the inlet port through the impeller cavity inlet, pass the flow adjusting disc, into the impeller cavity, to a plurality of curved blades of a rotor assembly unit impeller. From there, the working fluid travels through the impeller cavity outlet opening, flow guiding plate, and water block set, before exiting through the flow guiding plate, and outlet port.

## Claims

### Claim 1

A liquid cooling pumping unit, comprising:
a water block unit comprising:
a water block set;
a water block cover assembled to the water block set; and
a flow guiding plate, assembled to and communicating with and between the water block set and water block; and
a pump unit comprising:
a chamber body mounted to and communicating with the water block cover opposite the water block set, the chamber body comprising an impeller cavity having a diameter and a flow adjusting disc opposite the mounted water block cover; and
a rotor assembly unit, assembled to the chamber body opposite the water block cover, configured to increase a pressure and a flow of a working liquid flowing through the water block unit,
wherein an inlet port and an outlet port of the liquid cooling pumping unit is positioned on a same side of and plane as the pump housing assembly, parallel to planes of the flow guiding plate and rotor assembly unit, respectively, and
wherein the flow adjusting disc is configured to decrease turbulence of the working liquid flowing into the impeller cavity.

### Claim 2 (depends on 1)

The liquid cooling pumping unit of claim 1, wherein the water block set comprises a water block base and a fin plate, the water block base having a base cavity comprising a width, including heat transfer surface features thereon, the fin plate having a longitudinal split fin opening therethrough, positioned longitudinally on the heat transfer surface features, wherein the working fluid flows through the longitudinal split fin opening and through the heat transfer surface features, and wherein the water block set is in direct or indirect contact with a heat source opposite the base cavity.

### Claim 3 (depends on 1)

The liquid cooling pumping unit of claim 1, wherein the rotor assembly unit comprises a stator assembly, an impeller having a plurality of curved blades, mounted to a shaft, and a rotor housing having a stator cavity and an impeller annular cavity opposite the stator cavity, the stator assembly drives the impeller, the stator assembly is mounted in the stator cavity, and the impeller is mounted in the impeller annular cavity opposite the plurality of curved blades, whereby when the rotor assembly unit is assembled to the chamber body, the plurality of curved blades is assembled and rotatable in the impeller cavity.

### Claim 4 (depends on 2)

The liquid cooling pumping unit of claim 2, wherein the pump housing assembly is a first pump housing assembly, and the inlet and outlet ports are integrally formed with the chamber body, and configured for mounting of at least one of a spout, or conduit, or any combination of the foregoing thereto, whereby the working fluid flows through the inlet port, into the impeller cavity and through the chamber body, water block cover, and flow guiding plate, respectively, and into, throughout and out of the water block set, and through the flow guiding plate, water block cover and outlet port, respectively.

### Claim 5 (depends on 4)

The liquid cooling pumping unit of claim 4, wherein the chamber body further comprises a water block cover surface opposite the impeller cavity, an impeller cavity inlet communicating with the inlet port and impeller cavity, an impeller cavity outlet opening communicating with the impeller cavity and water block cover, and a chamber body outlet opening communicating with the water block cover and outlet port, whereby the working fluid flows through the inlet port, into the impeller cavity via the impeller cavity inlet and through the chamber body via the impeller cavity outlet opening, and through the water block cover, and flow guiding plate, respectively, and into, throughout and out of the water block set, and through the flow guiding plate and water block cover, respectively, and through the chamber body via the chamber body outlet opening, to the outlet port.

### Claim 6 (depends on 5)

The liquid cooling pumping unit of claim 5, wherein the water block cover comprises a flow guiding plate surface having a funnel-shaped indentation therein, a chamber body surface opposite the flow guiding plate surface, a water block inlet through hole communicating with the impeller cavity outlet opening and flow guiding plate, and a water block outlet through hole communicating with the flow guiding plate and outlet port, the water block inlet through hole disposed at a narrowest end of the funnel-shaped indentation, and the water block outlet through hole disposed near to the water block inlet through hole, whereby the working fluid flows through the inlet port, into the impeller cavity, through the chamber body, and through the water block cover via the water block inlet through hole, and through the flow guiding plate, and into, throughout and out of the water block set, and through the flow guiding plate, and through the water block cover via the water block outlet through hole, and through the chamber body, to the outlet port.

### Claim 7 (depends on 6)

The liquid cooling pumping unit of claim 6, wherein the flow guiding plate comprises a water block surface, a water block cover mounting surface having a funnel-shaped outlined wall protruding therefrom, opposite the water block surface, communicating with the water block inlet through hole, a longitudinal split through hole, disposed at a widest end of the funnel-shaped outlined wall, communicating with the water block set and water block inlet through hole, and a flow guiding plate outlet, disposed near to a narrowest end of the funnel-shaped outlined wall, communicating with the water block set and water block outlet through hole, the funnel-shaped outlined wall corresponding to the funnel-shaped indentation, and the longitudinal split through hole corresponding to the longitudinal split fin opening, whereby the working fluid flows through the inlet port, into the impeller cavity, through the chamber body, and water block cover, respectively, and through the flow guiding plate via within the funnel-shaped outlined walls through the longitudinal split through hole, and into, throughout and out of the water block set, and through the flow guiding plate via the flow guiding plate outlet, and through the water block cover, and through the chamber body, to the outlet port.

### Claim 8 (depends on 7)

The liquid cooling pumping unit of claim 7, wherein the water block unit is a first water block unit and the width of the base cavity is a first width and the pump unit is a first pump unit and the diameter of the impeller cavity is a first diameter, whereby the first width is shorter than the first diameter.

### Claim 9 (depends on 8)

The liquid cooling pumping unit of claim 8, wherein the water block unit is a second water block unit and the width of the base cavity is a second width and the pump unit is a second pump unit and the diameter of the impeller cavity is a second diameter, whereby the second width is longer than the first width and equal to or longer than the second diameter or the second diameter is longer than the first diameter and the second width is shorter than the second diameter, and the second water block unit is interchangeable with the first water block unit, whereby the first pump unit is mounted thereto or the second pump unit is interchangeable with the first pump unit and mounted to the first water block unit, whereby the working fluid flows through the inlet port, into the impeller cavity and through the chamber body, water block cover, and flow guiding plate, respectively, and into, throughout and out of the water block set, and through the flow guiding plate, water block cover, and chamber body, to the outlet port.

### Claim 10 (depends on 4)

The liquid cooling pumping unit of claim 4, wherein the pump housing assembly is a second pump housing assembly, and the inlet and outlet ports are integrally formed with the water block cover and configured for mounting of at least one of a spout, or conduit, or any combination of the foregoing thereto, the second pump housing assembly is interchangeable with the first pump housing assembly, whereby the working fluid flows through the inlet port, into the impeller cavity and through the chamber body, water block cover, and flow guiding plate, respectively, and into, throughout and out of the water block set, and through the flow guiding plate, to the outlet port.

### Claim 11 (depends on 10)

The liquid cooling pumping unit of claim 10, wherein the chamber body further comprises a water block cover surface opposite the impeller cavity, an impeller cavity inlet opening communicating with the water block cover and impeller cavity, and an impeller cavity outlet opening communicating with the impeller cavity and water block cover, whereby the working fluid flows through the inlet port, into the impeller cavity via the impeller cavity inlet opening and through the chamber body via the impeller cavity outlet opening, and through the water block cover, and flow guiding plate, respectively, and into, throughout and out of the water block set, and through the flow guiding plate, to the outlet port.

### Claim 12 (depends on 11)

The liquid cooling pumping unit of claim 11, wherein the water block cover comprises a flow guiding plate surface having a diversion indentation and a funnel-shaped indentation therein, respectively, a chamber body surface opposite the flow guiding plate surface, a cover diversion opening communicating with the impeller cavity inlet opening via corresponding shouldered indentations and annular wall protrusions, and inlet port, and a water block inlet through hole communicating with the impeller cavity outlet opening via corresponding shouldered indentations and annular wall protrusions, and flow guiding plate, the cover diversion opening disposed at a centric end of the diversion indentation near to the inlet port, and the water block inlet through hole is disposed at a narrowest end of the funnel-shaped indentation near to the outlet port, whereby the working fluid flows through the inlet port, into the impeller cavity via the cover diversion opening, through the chamber body, and through the water block cover via the water block inlet through hole, and through the flow guiding plate, and into, throughout and out of the water block set, and through the flow guiding plate, to the outlet port.

### Claim 13 (depends on 12)

The liquid cooling pumping unit of claim 12, wherein the flow guiding plate comprises a water block surface, a water block cover mounting surface having a diversion outlined wall and a funnel-shaped outlined wall protruding therefrom, respectively, opposite the water block surface, communicating with the cover diversion opening and water block inlet through hole, respectively, a longitudinal split through hole, disposed at a widest end of the funnel-shaped outlined wall, communicating with the water block set and water block inlet through hole, and a flow guiding plate outlet, disposed near to a narrowest end of the funnel-shaped outlined wall, communicating with the water block set and outlet port, the diversion outlined wall corresponding to the diversion indentation, the funnel-shaped outlined wall corresponding to the funnel-shaped indentation, and the longitudinal split through hole corresponding to the longitudinal split fin opening, whereby the working fluid flows through the inlet port, into the impeller cavity via the diversion outlined wall, through the chamber body, and water block cover, respectively, and through the flow guiding plate via within the funnel-shaped outlined walls through the longitudinal split through hole, and into, throughout and out of the water block set, and through the flow guiding plate via the flow guiding plate outlet, to the outlet port.

### Claim 14 (depends on 10)

The liquid cooling pumping unit of claim 10, wherein the pump housing assembly is a third pump housing assembly, whereby the inlet and outlet ports are integrally formed with the water block cover and configured for mounting of at least one of a spout, or conduit, or any combination of the foregoing thereto, and the third, second and first pump housing assemblies are interchangeable, whereby the working fluid flows through the inlet port, into the impeller cavity and through the chamber body, water block cover, and flow guiding plate, respectively, and into, throughout and out of the water block set, and through the flow guiding plate, to the outlet port.

### Claim 15 (depends on 14)

The liquid cooling pumping unit of claim 14, wherein the chamber body further comprises a water block cover surface opposite the impeller cavity, an impeller cavity inlet opening communicating with the water block cover and impeller cavity, and an impeller cavity outlet opening communicating with the impeller cavity and water block cover, whereby the working fluid flows through the inlet port, into the impeller cavity via the impeller cavity inlet opening and through the chamber body via the impeller cavity outlet opening, and through the water block cover, and flow guiding plate, respectively, and into, throughout and out of the water block set, and through the flow guiding plate, to the outlet port.

### Claim 16 (depends on 15)

The liquid cooling pumping unit of claim 15, wherein the water block cover comprises a flow guiding plate surface having a diversion indentation and a funnel-shaped indentation therein, respectively, a chamber body surface opposite the flow guiding plate surface, a cover diversion opening communicating with the impeller cavity inlet opening via corresponding shouldered protrusions and annular walls, respectively, and the inlet port, and a water block inlet through hole communicating with the impeller cavity outlet opening via corresponding shouldered protrusions and annular walls, respectively, and flow guiding plate, the cover diversion opening disposed at a centric end of the diversion indentation near to the inlet port, and the water block inlet through hole is disposed at a narrowest end of the funnel-shaped indentation near to the outlet port, whereby the working fluid flows through the inlet port, into the impeller cavity via the cover diversion opening, through the chamber body, and through the water block cover via the water block inlet through hole, and through the flow guiding plate, and into, throughout and out of the water block set, and through the flow guiding plate, to the outlet port.

### Claim 17 (depends on 16)

The liquid cooling pumping unit of claim 16, wherein the flow guiding plate comprises a water block surface, a water block cover mounting surface having a diversion outlined wall and a funnel-shaped outlined wall protruding therefrom, respectively, opposite the water block surface, communicating with the cover diversion opening and water block inlet through hole, respectively, a longitudinal split through hole, disposed at a widest end of the funnel-shaped outlined wall, communicating with the water block set and water block inlet through hole, and a flow guiding plate outlet, disposed near to a narrowest end of the funnel-shaped outlined wall, communicating with the water block set and outlet port, the diversion outlined wall corresponding to the diversion indentation, the funnel-shaped outlined wall corresponding to the funnel-shaped indentation, and the longitudinal split through hole corresponding to the longitudinal split fin opening, whereby the working fluid flows through the inlet port, into the impeller cavity via the diversion outlined wall, through the chamber body, and water block cover, respectively, and through the flow guiding plate via within the funnel-shaped outlined walls through the longitudinal split through hole, and into, throughout and out of the water block set, and through the flow guiding plate via the flow guiding plate outlet, to the outlet port.

### Claim 18 (depends on 17)

The liquid cooling pumping unit of claim 17, wherein the water block unit is a third water block unit and the width of the base cavity is a third width and the pump unit is a third pump unit and the diameter of the impeller cavity is a third diameter, whereby the third width is shorter than the third diameter.

### Claim 19 (depends on 18)

The liquid cooling pumping unit of claim 18, wherein the water block unit is a fourth water block unit and the width of the base cavity is a fourth width and the pump unit is a fourth pump unit and the diameter of the impeller cavity is a fourth diameter, whereby the fourth width is longer than the third width and equal to or longer than the fourth diameter or the fourth diameter is longer than the third diameter and the fourth width is shorter than the fourth diameter, and the fourth water block unit is interchangeable with the first water block unit, whereby the first pump unit is mounted thereto or the fourth pump unit is interchangeable with the first pump unit and mounted to the first water block unit, whereby the working fluid flows through the inlet port, into the impeller cavity and through the chamber body, water block cover, and flow guiding plate, respectively, and into, throughout and out of the water block set, and through the flow guiding plate, to the outlet port.

### Claim 20 (depends on 1)

The liquid cooling pumping unit of claim 1, wherein the chamber body, water block cover, flow guiding plate, and rotor assembly unit comprises at least one of a metal, plastic, or metal coated material, or any combination of the foregoing, and the water block set comprises at least one of an aluminum, copper, aluminum-alloy, or copper-alloy material, or any combination of the foregoing.