# US 2012/0075798 A1 · Heat dissipating apparatus

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- Number: US 2012/0075798 A1
- Document ID: US20120075798A1
- Status: Published application
- Kind: A1
- Application number: 13/238,753
- Filed: 2011-09-21
- Published: 2012-03-29
- Earliest claimed: 2010-09-27
- Assignees: Asus Technology Pte Ltd.
- Inventors: Chien-Lung CHANG; Hai-Wei CONG
- Web page: https://patentgrep.com/patent/US20120075798A1

## CPC

- F28D 15/02: in which the medium condenses and evaporates, e.g. heat pipes {(heat pipes used in solar heat collectors F24S10/95; in radiators F28D1/0226; in nuclear reactors G21C15/257)}
- G06F 1/20: Cooling means
- G06F 2200/201: Cooling arrangements using cooling fluid
- 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)
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)

## Abstract

A heat dissipating apparatus comprises a first heat sink, a second heat sink and a fixing unit. The first heat sink comprises a connecting portion. The second heat sink comprises a connecting unit which is inserted into the connecting portion. The fixing unit includes an end portion exposed outside the connecting portion and a body accommodated in the connecting portion.

## Claims

### Claim 1

A heat dissipating apparatus, comprising:
a first heat sink having a connecting portion;
a second heat sink having a connecting unit inserted into the connecting portion; and
a fixing unit having an end portion and a body, wherein the body is accommodated in the connecting portion, and the end portion is exposed outside the connecting portion.

### Claim 2 (depends on 1)

The heat dissipating apparatus according to claim 1, the material of the fixing unit is phenolic resin, unsaturated polyester resin (UPR), epoxy resin, silicone grease, wood or metal.

### Claim 3 (depends on 1)

The heat dissipating apparatus according to claim 1, wherein a surface of the body of the fixing unit is a slope.

### Claim 4 (depends on 1)

The heat dissipating apparatus according to claim 1, wherein the connecting unit of the second heat sink comprises a bending portion.

### Claim 5 (depends on 1)

The heat dissipating apparatus according to claim 1, further comprising:
a fan coupled to the first heat sink or the second heat sink.

### Claim 6 (depends on 1)

The heat dissipating apparatus according to claim 1, wherein the body of the fixing unit further comprises:
an accommodation space;
an elastic element disposed in the accommodation space; and
a fastening element connected to one end of the elastic element and abutted against the connecting unit.

### Claim 7 (depends on 6)

The heat dissipating apparatus according to claim 6, wherein the elastic element is an extension spring, a compression spring, a clip or a flexible sleeve.

### Claim 8 (depends on 1)

The heat dissipating apparatus according to claim 1, wherein the first heat sink and the second heat sink comprise a plurality of fins.

### Claim 9

An electronic device, comprising:
an electronic component; and
a heat dissipating apparatus disposed cooperating with the electronic component, comprising:
a first heat sink having a connecting portion;
a second heat sink having a connecting unit inserted into the connecting portion; and
a fixing unit having an end portion and a body, wherein the body is accommodated in the connecting portion, and the end portion is exposed outside the connecting portion.

### Claim 10 (depends on 9)

The heat dissipating apparatus according to claim 9, wherein the electronic component is a graphic card or a motherboard.

### Claim 11

A heat dissipating apparatus, comprising:
a first heat sink having at least a connecting portion;
a second heat sink having a connecting unit inserted to the connecting portion and exposed outside the first heat sink; and
a fixing unit having an end portion and a body, wherein the body is accommodated in the connecting portion, and the end portion is exposed outside the connecting portion.