IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0001509
(2004-12-01)
|
등록번호 |
US-7571759
(2009-08-25)
|
우선권정보 |
JP-2003-404940(2003-12-03); JP-2004-125461(2004-04-21); JP-2004-252886(2004-08-31) |
발명자
/ 주소 |
- Inagaki, Mitsuharu
- Shirai, Motohiro
|
출원인 / 주소 |
|
대리인 / 주소 |
Harness, Dickey & Pierce, PLC
|
인용정보 |
피인용 횟수 :
12 인용 특허 :
6 |
초록
▼
A stacked type cooler 1 for cooling a plurality of electronic components 6 from two surfaces of each component includes a plurality of cooling tubes 2 having a flat shape and coolant flow passage 21 for allowing a coolant to flow, and a connecting pipe 3 for communicating these cooling tubes 2. The
A stacked type cooler 1 for cooling a plurality of electronic components 6 from two surfaces of each component includes a plurality of cooling tubes 2 having a flat shape and coolant flow passage 21 for allowing a coolant to flow, and a connecting pipe 3 for communicating these cooling tubes 2. The plurality of cooling tubes 2 is arranged and stacked in such a fashion as to interpose the electronic components 6 between the cooling tubes. The plurality of cooling tubes 2 includes an outside cooling tube 2b and an inside cooling tube 2a. The inside cooling tube 2a includes at least a first coolant flow passage 211 facing a first tube wall 231 constituting a first main surface 221 of the inside cooling tube 2a and a second coolant flow passage 212 facing a second tube wall 232 constituting a second main surface 222 on the opposite side to the first main surface 221. The coolant flow passage 21 is formed into two or more stages in a direction of thickness of the inside cooling tube 2a.
대표청구항
▼
The invention claimed is: 1. A stacked type cooler for cooling a plurality of electronic components from two surfaces of each component, including a plurality of cooling tubes having a flat shape and coolant flow passages for allowing a coolant to flow, and a connecting pipe for connecting said plu
The invention claimed is: 1. A stacked type cooler for cooling a plurality of electronic components from two surfaces of each component, including a plurality of cooling tubes having a flat shape and coolant flow passages for allowing a coolant to flow, and a connecting pipe for connecting said plurality of cooling tubes, wherein: said plurality of cooling tubes are arranged and stacked in such a fashion as to interpose said electronic components between said cooling tubes and include two outside cooling tubes arranged at both ends in a stacking direction and a plurality of inside cooling tubes arranged between said two outside cooling tubes; each of said inside cooling tubes includes at least a first coolant flow passage facing a first tube wall having a first main surface in contact with one of said electronic components and a second coolant flow passage facing a second tube wall having a second main surface in contact with another one of said electronic components on the opposite side to said first main surface, and said coolant flow passages are formed in two or more stages in a direction of thickness of said inside cooling tube; each of said inside cooling tubes has an inner fin for partitioning said coolant flow passages into a plurality of zones in a direction intersecting at right angles to the direction of thickness of said inside cooling tube; each of said inside cooling tubes includes a pair of outer shell plates constituting said first tube wall and said second tube wall, an intermediate plate interposed between said pair of outer shell plates and said inner fin has a corrugation shape and is interposed between said intermediate plate and said outer shell plate, and said first coolant flow passage and said second coolant flow passage are formed between said intermediate plate and said outer shell plates, respectively; each of the first and second coolant flow passages have an upper stream side inner fin disposed at an upper stream side of the coolant flow and a lower stream side inner fin disposed at a lower side of the coolant flow; and a gap is formed between the upper stream side inner fin and the lower stream side inner fin in a coolant flow direction. 2. The stacked type cooler as defined in claim 1, wherein said coolant flow passages of the two or more stages disposed in said inside cooling tube are partitioned from each other by an intermediate wall arranged between said first and second tube walls. 3. The stacked type cooler as defined in claim 1, wherein said inner fin is formed in an entire area in which at least one of said electronic components is in contact with said cooling tube. 4. The stacked type cooler as defined in claim 1, wherein said outer shell plate has a core material made of a metal material and has, on an outer surface thereof, a bare surface exposing the metal material constituting said core material. 5. The stacked type cooler as defined in claim 1, wherein said outer shell plate is formed of a brazing sheet having a sacrificial anode material on an inner surface of said core material. 6. The stacked type cooler as defined in claim 5, wherein said outer shell plate has a three-layered structure in which a brazing material is further arranged on said sacrificial anode material arranged on the inner surface of said core material. 7. The stacked type cooler as defined in claim 1, wherein said outer shell plate is formed of a brazing sheet having a brazing material on the inner surface of said core material. 8. The stacked type cooler as defined in claim 1, wherein said inner fin is made of a material that is potentially baser than the core material of said outer shell plate. 9. The stacked type cooler as defined in claim 8, wherein said inner fin is formed of a brazing sheet having a brazing material arranged on both surfaces of said core material. 10. The stacked type cooler as defined in claim 1, wherein said intermediate plate includes a brazing sheet having a core material and a brazing material arranged on both surfaces of said core material, and inner surfaces of said pair of outer shell plates at the end portions are bonded to both surfaces of said intermediate plate at end portions thereof. 11. The stacked type cooler as defined in claim 1, wherein said intermediate plate is made of a material that is potentially baser than the core material of said outer shell plate, and inner surfaces of said pair of outer shell plates at end portions are mutually bonded. 12. The stacked type cooler as defined in claim 1, wherein said inner fin is constituted by offset fins that are formed by dividing said inner fin into a plurality of segments in a longitudinal direction and arranging a large number of corrugated segments while the positions of crests thereof are arranged in a zigzag shape. 13. The stacked type cooler as defined in claim 1, wherein a flow passage width of said inner fin is smaller than a height hf of said inner fin. 14. The stacked type cooler as defined in claim 1, wherein a flow passage width of said inner fin is not greater than 1.5 mm. 15. The stacked type cooler as defined in claim 1, wherein a height of said inner fin is within a range of 1 to 5 mm. 16. The stacked type cooler as defined in claim 1, wherein a thickness of said inner fin is smaller than a thickness of said first and second tube walls. 17. The stacked type cooler as defined in claim 1, wherein a thickness of said inner fin is within a range of 0.03 to 1.0 mm. 18. The stacked type cooler as defined in claim 1, wherein a thickness of said first and second tube walls is within a range of 0.1 to 5.0 mm. 19. The stacked type cooler as defined in claim 1, wherein said connecting pipe is a bellows tube capable of extension and contraction in a communication direction and is so constituted as to be capable of changing a gap between said cooling tubes. 20. The stacked type cooler as defined in claim 1, wherein said outside cooling tube has said coolant flow passage formed in one stage in a direction of thickness of said cooling tube, and the coolant flow passage formed in said outside cooling tube and the first coolant flow passage formed in said inside cooling tube have mutually the same sectional area. 21. The stacked type cooler as defined in claim 1, wherein a thickness of an outside tube wall of said outside cooling tube on which said electronic component is not arranged and is not in contact is greater than a thickness of other tube walls. 22. The stacked type cooler as defined in claim 21, wherein said outside tube wall has a thickness of at least 1 mm. 23. The stacked type cooler as defined in claim 1, wherein a cooling capacity on a side of said first coolant flow passage and a cooling capacity on a side of said second coolant flow passage are different. 24. The stacked type cooler as defined in claim 23, wherein the cooling capacity on the side of said first coolant flow passage and the cooling on the side of said second coolant flow passage are made different by making a flow rate of the coolant of said first coolant flow passage different from a flow rate of the coolant of said second coolant flow passage. 25. The stacked type cooler as defined in claim 1, which further includes a cylindrical connecting pipe for connecting the inlet side of the coolant of said cooling tubes adjacent to each other, and wherein an insertion hole into which said cylinder portion of said connecting pipe is inserted is formed in said cooling tube, an intermediate wall arranged in said coolant flow passage divides said coolant flow passage into a first coolant flow passage and a second coolant flow passage aligned with each other in the stacking direction of said cooling tubes, an intermediate wall hole for communicating said first coolant flow passage with said second coolant flow passage is formed in said intermediate wall at a position facing said insertion hole and an inner diameter (D1) of said cylinder portion and an inner diameter (D2) of said intermediate wall hole are different. 26. The stacked type cooler as defined in claim 25, wherein the inner diameter (D2) of said intermediate wall hole is greater than the inner diameter (D1) of said cylinder portion. 27. The stacked type cooler as defined in claim 1, which further includes a cylindrical connecting pipe for connecting an inlet side of the coolant in said cooling tubes adjacent to each other, and wherein an insertion hole, into which said cylinder portion of said connecting pipe is inserted, is formed in said cooling tube, an intermediate wall arranged in said coolant flow passage divides said coolant flow passage into a first coolant flow passage and a second coolant flow passage aligned with each other in the stacking direction of said cooling tubes, an intermediate wall hole for communicating said first coolant flow passage with said second coolant flow passage is formed in said intermediate wall at a position facing said insertion hole, said cylinder portion protrudes from said insertion hole into said coolant flow passage, and a projection length (L1) of said cylinder portion on the side of said first coolant flow passage is different from a projection length (L2) of said cylinder portion on the side of said second coolant flow passage. 28. The stacked type cooler as defined in claim 1, wherein heat exchange performance of said fin inside said first coolant flow passage is different from heat exchange performance of said fin inside said second coolant flow passage. 29. The stacked type cooler as defined in claim 1, wherein one of the electronic components is disposed in a position corresponding to the upper stream side inner fin and another one of the electronic components is disposed in a position corresponding to the lower stream side inner fin.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.