# US 10,455,732 B2 · Liquid-cooled heat dissipation apparatus

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- Number: US 10,455,732 B2
- Document ID: US10455732B2
- Status: Granted
- Kind: B2
- Application number: 15/599,064
- Filed: 2017-05-18
- Published: 2017-11-23
- Granted: 2019-10-22
- Earliest claimed: 2016-05-20
- Assignees: Kuan Ding Industrial Co., Ltd.
- Applicants: Kuan Ding Industrial Co., Ltd.
- Inventors: Kuan-Da Pan
- Web page: https://patentgrep.com/patent/US10455732B2

## CPC

- H05K 7/20263: {Heat dissipaters releasing heat from coolant}
- F28D 15/00: Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls {; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies (F28D17/00, F28D19/00, F28D20/00 take precedence)}
- H05K 7/20254: {Cold plates transferring heat from heat source to coolant}
- 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}
- H10W 40/47: by flowing liquids, e.g. forced water cooling
- H10W 42/20: protecting against electromagnetic or particle radiation, e.g. light, X-rays, gamma-rays or electrons
- F28D 2021/0029: {Heat sinks}
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- 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)
- H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10

## Abstract

A liquid-cooled heat dissipation apparatus includes a water cooling module (1), a water pump set (2) and a reservoir tank (3). The water cooling module (1) includes a heat exchange unit (11) and a base (12) having a pump receiving slot (121) and a heat exchange chamber (T). The base (12) includes a water inlet channel (G1), drainage channel (G2) and first channel (G10). The water pump set (2) is arranged inside the pump receiving slot (121) and includes a rotor assembly (21) and a blade assembly (23). The blade assembly (23) is attached onto the rotor assembly (21) and includes a second channel (G20). The reservoir tank (3) is detachably stacked onto the water cooling module (1) and includes a water containing chamber (R) and a water supply channel (G3) formed thereon. Accordingly, the apparatus achieves the effects of independent reservoir, readily water supply and pipeline exhaust simultaneously.

## Claims

### Claim 1

A liquid-cooled heat dissipation apparatus, comprising:
a water cooling module (1), comprising:
a base (12) having one side formed of a pump receiving slot (121) and another side connected to a heat exchange unit (11) and a heat exchange chamber (T) formed with the heat exchange unit (11); the base (12) having a drainage channel (G2) connected to the heat exchange chamber (T) and a first channel (G10) connected to an internal of the pump receiving slot (121) and the heat exchange chamber (T);
a water pump set (2) arranged inside the pump receiving slot (121); the water pump set (2) comprising a rotor assembly (21) and a blade assembly (23) connected to the rotor assembly (21) for power transmission; the blade assembly (23) attached onto the rotor assembly (21) and forming a second channel (G20) together with the blade assembly (23) in order to connect to an internal of the pump receiving slot (121);
a reservoir tank (3) detachably stacked onto a top side of the water cooling module (1) with the pump receiving slot (121) formed thereon; the reservoir tank (3) having a water containing chamber (R) and a water supply channel (G3) connected to the water containing chamber (R); the water supply channel (G3) connected to the second channel (G20),
wherein the water cooling module (1) is disposed outside of the reservoir tank (3); and
wherein the reservoir tank (3) comprises a housing (31), a bottom shield (33), and a top shield (32); the bottom shield is disposed on a bottom side of the reservoir tank (3) and covers a top surface of the water pump set (2), so that the water pump set (2) is sandwiched between the reservoir tank (3) and the water cooling module (1).

### Claim 2 (depends on 1)

The liquid-cooled heat dissipation apparatus according to claim 1, wherein the rotor assembly (21) comprises a rotor seat (211) and a rotor sleeve (212) arranged to protrude on the rotor seat (211); one side of the rotor sleeve (212) include a sleeve hole (212a) formed thereon and a rotating axle (213) is arranged inside the rotor sleeve (212); the blade assembly (23) comprises a blade seat (231) and a blade disk (232) connected to the blade seat (231); the blade assembly (23) is attached onto the rotor sleeve (212) with the blade seat (231) and the blade disk (232) is axially connected to the rotating axle (213); the blade seat (231) includes at least one channel hole (2311) penetrating through the blade seat (231); an internal of the rotor sleeve (212) and the channel hole (2311) together form the second channel (G20).

### Claim 3 (depends on 2)

The liquid-cooled heat dissipation apparatus according to claim 2, wherein the base (12) further includes a water inlet channel (G1) connected to an internal of the pump receiving slot (121); the pump receiving slot (121) includes a fitting sleeve (1211) disposed therein; the fitting sleeve (1211) includes a sleeve hole (1211a) formed thereon and the blade disk (232) includes a blade through hole (2320) formed thereon; the blade through hole (2320) and the sleeve hole (1211a) together form a third channel (G21) connected to the second channel (G20) and the water inlet channel (G1).

### Claim 4 (depends on 2)

The liquid-cooled heat dissipation apparatus according to claim 2, wherein the reservoir tank (4) comprises a housing (41) made of a transparent material and a bottom shield (42) attached onto the housing (41); the housing (41) is a cover structure and includes a water supply opening (413) formed thereon; the water supply opening (413) is formed at any one side of an outer circumferential wall of the housing (41) and includes a sealing cap (412) for sealing the water supply opening (413).

### Claim 5 (depends on 4)

The liquid-cooled heat dissipation apparatus according to claim 4, wherein the bottom shield (42) includes a fitting sleeve (421) for the rotor sleeve (212) to be inserted therein, and the fitting sleeve (421) includes a fitting through hole (4210) to form the water supply channel (G3); the water supply channel (G3) is connected to the water containing chamber (R) and the second channel (G20).

### Claim 6 (depends on 2)

The liquid-cooled heat dissipation apparatus according to claim 2, wherein the housing (31) is a hollow tubular member having openings formed at two ends thereof; one opening end of the hollow tubular member is attached onto the bottom shield (33) and another opening end thereof is a water supply opening (310) and is attached with the top shield (32) for sealing thereof; the bottom shield (33) includes a fitting sleeve (331) for the rotor sleeve (212) to be mounted therein; the fitting sleeve (331) includes a fitting through hole (3310) and uses a fastening member (332) penetrating through the fitting through hole (3310) in order to fasten the rotor assembly (21); the fastening member (332) includes a fitting through hole (3320) to form the water supply channel (G3); the water supply channel (G3) is connected to the water containing chamber (R) and the second channel (G20).

### Claim 7 (depends on 2)

The liquid-cooled heat dissipation apparatus according to claim 2, wherein the blade seat (231) includes an axle receiving slot (2310) for the rotating axle (213) to penetrate therethrough in order to axially connect to the blade disk (232); an inner circumferential wall of the axle receiving slot (2310) includes at least one inner ratchet portion (2312).

### Claim 8 (depends on 1)

The liquid-cooled heat dissipation apparatus according to claim 1, wherein the rotor assembly (21) comprises a rotor seat (211) and a rotor sleeve (212) arranged to protrude on the rotor seat (211); one side of the rotor sleeve (212) include a sleeve hole (212a) formed thereon and a rotating axle (213) is arranged inside the rotor sleeve (212); the blade assembly (23) comprises a blade seat (231) and a blade disk (232) connected to the blade seat (231); the blade assembly (23) is mounted onto the rotor sleeve (212) with the blade seat (231) and the blade disk (232) is axially connected to the rotating axle (213); a gap is formed between the blade seat (231) and the rotor sleeve (212) in order to form the second channel (G20′).

### Claim 9 (depends on 8)

The liquid-cooled heat dissipation apparatus according to claim 8, wherein the reservoir tank (4) comprises a housing (41) made of a transparent material and a bottom shield (42) attached onto the housing (41); the housing (41) is a cover structure and includes a water supply opening (413) formed thereon; the water supply opening (413) is formed at any one side of an outer circumferential wall of the housing (41) and includes a sealing cap (412) for sealing the water supply opening (413).

### Claim 10 (depends on 9)

The liquid-cooled heat dissipation apparatus according to claim 9, wherein the bottom shield (42) includes a fitting sleeve (421) for the rotor sleeve (212) to be inserted therein, and the fitting sleeve (421) includes a fitting through hole (4210) to form the water supply channel (G3); the water supply channel (G3) is connected to the water containing chamber (R) and the second channel (G20′).

### Claim 11 (depends on 8)

The liquid-cooled heat dissipation apparatus according to claim 8, wherein the reservoir tank (3) comprises a housing (31) made of a transparent material and a bottom shield (33) and a top shield (32) attached onto the housing (31); the housing (31) is a hollow tubular member having openings formed at two ends thereof; one opening end of the hollow tubular member is attached onto the bottom shield (33) and another opening end thereof is a water supply opening (310) and is attached with the top shield (32) for sealing thereof; the bottom shield (33) includes a fitting sleeve (331) for the rotor sleeve (212) to be mounted therein; the fitting sleeve (331) includes a fitting through hole (3310) and uses a fastening member (332) penetrating through the fitting through hole (3310) in order to fasten the rotor assembly (21); the fastening member (332) includes a fitting through hole (3320) to form the water supply channel (G3); the water supply channel (G3) is connected to the water containing chamber (R) and the second channel (G20′).

### Claim 12 (depends on 8)

The liquid-cooled heat dissipation apparatus according to claim 8, wherein the blade seat (231) includes an axle receiving slot (2310) for the rotating axle (213) to penetrate therethrough in order to axially connect to the blade disk (232); an inner circumferential wall of the axle receiving slot (2310) includes at least one inner ratchet portion (2312).

### Claim 13 (depends on 1)

The liquid-cooled heat dissipation apparatus according to claim 1, wherein the heat exchange unit (11) is a metal plate; the metal plate includes a plurality of fins (111) formed at one side corresponding to the base (12) and arranged spaced apart from each other in parallel; the base (12) includes a cavity (1211b) formed at one side corresponding to the heat exchange unit (11) in order to form the heat exchange chamber (T).

### Claim 14 (depends on 1)

The liquid-cooled heat dissipation apparatus according to claim 1, wherein the heat exchange unit (11) comprises a metal plate and a carrier seat (112) attached onto the metal plate and the base (12) respectively; the metal plate includes an indented slot (110) formed at one side corresponding to the base (12), and a bottom surface of the indented slot (110) includes a plurality of fins (111) formed thereon and arranged spaced apart from each other in parallel; the base (12) includes a cavity (1211b) formed at one side corresponding to the heat exchange unit (11); the carrier seat (112) includes a channel hole (1121) penetrating through the carrier seat (112), and the channel hole (1121) is connected to the cavity (1211b) to form the heat exchange chamber (T).

### Claim 15 (depends on 1)

The liquid-cooled heat dissipation apparatus according to claim 1, wherein the reservoir tank (5) comprises a housing (51), a top cap (52) and a passive blade wheel (53); the top cap (52) is made of a transparent material, and the top cap (52) is attached to one end of the housing (51) correspondingly; the passive blade wheel (53) is installed on top of the water supply channel (G3) and is formed inside the water containing chamber (R).

### Claim 16 (depends on 15)

The liquid-cooled heat dissipation apparatus according to claim 15, wherein the housing (51) includes a water inlet channel (G1) formed on one side thereof and connected to the water containing chamber (R).