HEAT EXCHANGER
PROBLEM TO BE SOLVED: To provide a heat exchanger capable of controlling a volume, weight and cost while miniaturizing a cooling apparatus. SOLUTION: The heat exchanger includes: a flow channel 52 of cooling water formed to meander along the top face of an upper case 4 by a straight part 521 for pas...
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| creator | SAWAGUCHI MASA ARAKI SHINJI |
| description | PROBLEM TO BE SOLVED: To provide a heat exchanger capable of controlling a volume, weight and cost while miniaturizing a cooling apparatus. SOLUTION: The heat exchanger includes: a flow channel 52 of cooling water formed to meander along the top face of an upper case 4 by a straight part 521 for passing cooling water straightly while being disposed on the top face of an upper case 4 face-bonded with a power module 1 and the interior of the bonded upper case 4 and lower case 5, and a bending part 522 for changing the flow of cooling water from the straight part 521 to the next straight part 521; and a plurality of thin-plate heat radiating fins 3 which are erected from the bottom face of the upper case 4 of the straight part 521 toward the interior of the straight part 521 and increase a contact area to cooling water by dividing the interior of the straight part 521 to a plurality of flows of the same direction, wherein the bending part 522 has a downward turn part 523 for expanding the flow channel to the opposite direction of the heat radiating face. COPYRIGHT: (C)2009,JPO&INPIT |
| format | Patent |
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SOLUTION: The heat exchanger includes: a flow channel 52 of cooling water formed to meander along the top face of an upper case 4 by a straight part 521 for passing cooling water straightly while being disposed on the top face of an upper case 4 face-bonded with a power module 1 and the interior of the bonded upper case 4 and lower case 5, and a bending part 522 for changing the flow of cooling water from the straight part 521 to the next straight part 521; and a plurality of thin-plate heat radiating fins 3 which are erected from the bottom face of the upper case 4 of the straight part 521 toward the interior of the straight part 521 and increase a contact area to cooling water by dividing the interior of the straight part 521 to a plurality of flows of the same direction, wherein the bending part 522 has a downward turn part 523 for expanding the flow channel to the opposite direction of the heat radiating face. 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SOLUTION: The heat exchanger includes: a flow channel 52 of cooling water formed to meander along the top face of an upper case 4 by a straight part 521 for passing cooling water straightly while being disposed on the top face of an upper case 4 face-bonded with a power module 1 and the interior of the bonded upper case 4 and lower case 5, and a bending part 522 for changing the flow of cooling water from the straight part 521 to the next straight part 521; and a plurality of thin-plate heat radiating fins 3 which are erected from the bottom face of the upper case 4 of the straight part 521 toward the interior of the straight part 521 and increase a contact area to cooling water by dividing the interior of the straight part 521 to a plurality of flows of the same direction, wherein the bending part 522 has a downward turn part 523 for expanding the flow channel to the opposite direction of the heat radiating face. 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| subjects | BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS SEMICONDUCTOR DEVICES |
| title | HEAT EXCHANGER |
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