Cooling apparatus by boiling and cooling refrigerant
A cooling apparatus for cooling a heating body such as a CPU by boiling and condensing refrigerant has a tank having a heating body mounting portion on which the CPU is mounted; a porous metallic sintered body arranged in the tank; and refrigerant contained in the tank. The tank has a pair of faced...
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| creator | TANAKA HIROSHI TERAO TADAYOSHI KOBAYASHI KAZUO MATSUMOTO TATSUHITO KAWAGUCHI KIYOSHI |
| description | A cooling apparatus for cooling a heating body such as a CPU by boiling and condensing refrigerant has a tank having a heating body mounting portion on which the CPU is mounted; a porous metallic sintered body arranged in the tank; and refrigerant contained in the tank. The tank has a pair of faced walls including a heat-receiving wall and a radiation wall. The porous metallic sintered body is arranged along the heat-receiving wall, and transports the refrigerant collected at the bottom of the tank to an adjacent portion of the heating body mounting portion by using a capillary action. Since the refrigerant is boiled at such a wide adjacent portion, a superheat degree of the heating body mounting portion can decrease. Furthermore, since the refrigerant collected at the bottom of the tank is transported to the adjacent portion by the capillary action, an area of the radiation wall soaked in the refrigerant becomes small. As a result, a condensation area for condensing the vapor refrigerant becomes large, and then the supercool degree of the radiation wall can decrease. In this way, a cooling capacity of the cooling apparatus can increase. |
| format | Patent |
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The tank has a pair of faced walls including a heat-receiving wall and a radiation wall. The porous metallic sintered body is arranged along the heat-receiving wall, and transports the refrigerant collected at the bottom of the tank to an adjacent portion of the heating body mounting portion by using a capillary action. Since the refrigerant is boiled at such a wide adjacent portion, a superheat degree of the heating body mounting portion can decrease. Furthermore, since the refrigerant collected at the bottom of the tank is transported to the adjacent portion by the capillary action, an area of the radiation wall soaked in the refrigerant becomes small. As a result, a condensation area for condensing the vapor refrigerant becomes large, and then the supercool degree of the radiation wall can decrease. In this way, a cooling capacity of the cooling apparatus can increase.</description><edition>7</edition><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; BLASTING ; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ; ELECTRICITY ; HEAT EXCHANGE IN GENERAL ; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; SEMICONDUCTOR DEVICES ; WEAPONS</subject><creationdate>2001</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20010508&DB=EPODOC&CC=US&NR=6227287B1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,777,882,25545,76296</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20010508&DB=EPODOC&CC=US&NR=6227287B1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TANAKA HIROSHI</creatorcontrib><creatorcontrib>TERAO TADAYOSHI</creatorcontrib><creatorcontrib>KOBAYASHI KAZUO</creatorcontrib><creatorcontrib>MATSUMOTO TATSUHITO</creatorcontrib><creatorcontrib>KAWAGUCHI KIYOSHI</creatorcontrib><title>Cooling apparatus by boiling and cooling refrigerant</title><description>A cooling apparatus for cooling a heating body such as a CPU by boiling and condensing refrigerant has a tank having a heating body mounting portion on which the CPU is mounted; a porous metallic sintered body arranged in the tank; and refrigerant contained in the tank. 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| subjects | BASIC ELECTRIC ELEMENTS BLASTING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY HEAT EXCHANGE IN GENERAL HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT HEATING LIGHTING MECHANICAL ENGINEERING SEMICONDUCTOR DEVICES WEAPONS |
| title | Cooling apparatus by boiling and cooling refrigerant |
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