IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0788315
(2010-05-27)
|
등록번호 |
US-8291964
(2012-10-23)
|
우선권정보 |
CN-2010 1 0150184 (2010-04-19) |
발명자
/ 주소 |
- Hwang, Ching-Bai
- Lu, Jian-Zhong
|
출원인 / 주소 |
- Furui Precise Component (Kunshan) Co., Ltd.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
4 |
초록
▼
An exemplary heat sink includes elongated fins stacked together. Each of the fins includes a first dissipating portion and a second dissipating portion arranged in turn along a longitudinal axis of the fin. The first dissipating portion and the second dissipating portion of each fin are offset from
An exemplary heat sink includes elongated fins stacked together. Each of the fins includes a first dissipating portion and a second dissipating portion arranged in turn along a longitudinal axis of the fin. The first dissipating portion and the second dissipating portion of each fin are offset from each other along a stacked axis of the fins. An opening is defined in each fin between the first dissipating portion and the second dissipating portion thereof.
대표청구항
▼
1. A heat sink comprising a plurality of elongated stacked fins, each of the fins comprising a first dissipating portion and a second dissipating portion arranged in turn along a longitudinal axis of the fin, the first dissipating portion and the second dissipating portion of each fin offset from ea
1. A heat sink comprising a plurality of elongated stacked fins, each of the fins comprising a first dissipating portion and a second dissipating portion arranged in turn along a longitudinal axis of the fin, the first dissipating portion and the second dissipating portion of each fin offset from each other along a stack axis of the fins, wherein each fin further comprises two flanges respectively bending from a lateral side of the fin, each flange comprises a first portion adjoining the first dissipating portion, a second portion adjoining the second dissipating portion, and a center portion between the first portion and the second portion, an opening is defined in each fin between the first dissipating portion and the second dissipating portion thereof, and the opening is defined by edges of the center portions, the first dissipating portions and the second dissipating portions cooperatively. 2. The heat sink of claim 1, wherein the first dissipating portion and the second dissipating portion of each fin are offset from each other along the longitudinal axis of the fins, and the opening is obliquely angled relative to each of the first dissipating portion and the second dissipating portion. 3. The heat sink of claim 2, wherein an obtuse angle is defined between the opening and the first dissipating portion, and an obtuse angle is defined between the opening and the second dissipating portion. 4. The heat sink of claim 3, wherein the first dissipating portion and the second dissipating portion of each fin are parallel to each other, and the two obtuse angles are the same. 5. The heat sink of claim 3, wherein a first channel is defined between the first dissipating portions of each two neighboring fins, a second channel is defined between the second dissipating portions of each two neighboring fins, the first channel communicates with two corresponding adjacent second channels, with the communication with one of such corresponding adjacent second channels being via a corresponding opening, and the second channel communicates with two corresponding adjacent first channels, with the communication with one of such corresponding adjacent first channels being via a corresponding opening. 6. The heat sink of claim 5, wherein each first dissipating portion is aligned with a center axis of a corresponding second channel, and each second dissipating portion is aligned with a center axis of a corresponding first channel. 7. The heat sink of claim 1, wherein the center portion is located at an end of the opening, and is parallelogram-shaped. 8. The heat sink of claim 1, wherein a locking member is formed on the flange of each fin, and the locking member comprises an ear extending outwards from an outer edge of the flange, a locking hole defined in the flange and engagingly receiving the ear of a neighboring fin, and a locking tab corresponding to the locking hole formed at a junction of the main body and the flange, the locking members of the fins locking the fins together. 9. The heat sink of claim 8, wherein the locking tab of each fin is engagingly received in the locking hole of the neighboring fin. 10. A heat sink comprising a plurality of parallel fins with airflow channels formed between the fins, each fin comprising a first dissipating portion, a second dissipating portion, and an opening defined between the first dissipating portion and the second dissipating portion, the first dissipating portion of each fin aligned with the airflow channel between two corresponding second dissipating portions neighboring the first dissipating portion, the second dissipating portion of each fin aligned with the airflow channel between two corresponding first dissipating portions neighboring the second dissipating portion each fin further comprising two flanges respectively bending from a lateral side of the fin, each flange comprising a first portion adjoining the first dissipating portion, a second portion adjoining the second dissipating portion, and a center portion between the first portion and the second portion, the opening being defined by edges of the center portions, the first dissipating portions and the second dissipating portions cooperatively. 11. The heat sink of claim 10, wherein the first dissipating portion and the second dissipating portion are offset from each other along the airflow channels, an obtuse angle is defined between the opening and the first dissipating portion, and an obtuse angle is defined between the opening and the second dissipating portion. 12. The heat sink of claim 11, wherein the airflow channels comprise a plurality of first channels between the first dissipating portions and a plurality of second channels between the second dissipating portions, each first channel communicating with two corresponding adjacent second channels, with the communication with one of such corresponding adjacent second channels being via a corresponding opening, and each second channel communicating with two corresponding adjacent first channels, with the communication with one of such corresponding adjacent first channels being via a corresponding opening. 13. The heat sink of claim 10, wherein the center portion is located at an end of the opening and is parallelogram-shaped.
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