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US20050178526A1 - Liquid cooling system, and electronic apparatus having the same therein - Google Patents

Liquid cooling system, and electronic apparatus having the same therein Download PDF

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Publication number
US20050178526A1
US20050178526A1 US10/792,719 US79271904A US2005178526A1 US 20050178526 A1 US20050178526 A1 US 20050178526A1 US 79271904 A US79271904 A US 79271904A US 2005178526 A1 US2005178526 A1 US 2005178526A1
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US
United States
Prior art keywords
cooling system
rotor
liquid coolant
circulation pump
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US10/792,719
Other languages
English (en)
Inventor
Takashi Naganawa
Rintaro Minamitani
Shigeo Ohashi
Atsuo Nishihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Assigned to HITACHI, LTD. reassignment HITACHI, LTD. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: MINAMITANI, RINTARO, NAGANAWA, TAKASHI, NISHIHARA, ATSUO, OHASHI, SHIGEO
Publication of US20050178526A1 publication Critical patent/US20050178526A1/en
Abandoned legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0673—Units comprising pumps and their driving means the pump being electrically driven the motor being of the inside-out type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D9/00—Priming; Preventing vapour lock
    • F04D9/007—Preventing loss of prime, siphon breakers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/20—Cooling means
    • H10W40/47—
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
    • G06F2200/20—Indexing scheme relating to G06F1/20
    • G06F2200/201—Cooling arrangements using cooling fluid

Definitions

  • the present invention relates to an electronic apparatus, such as, a personal computer, being so-called a desktop-type or a notebook-type, or a server, etc., and in particular, it relates to a liquid cooling system being able to cool down a heat-generation element mounted within an inside thereof, such as, a semiconductor integrated element, effectively with an aid of a liquid refrigerant or coolant, and further an electronic apparatus having such the liquid cooling system therein.
  • cooling is necessary for the heat-generation element, such as, the semiconductor IC element, being mounted within an electronic apparatus, including a personal computer, of called the desktop-type or the notebook-type, as well as, a server, etc., and in particular, the heat-generation element, such as, a CPU (Central Processing Unit), as a representative one thereof, for example.
  • the cooling is achieved generally by using a heat transfer element, being so-called a heat sink that is formed with fins thereon, as well as a fan, being provided for sending a cooling air thereto.
  • liquid cooling system of being high in the cooling efficiency thereof, which is used in the personal computer, of so-called the desktop-type or the notebook-type, and also the server, etc., as is known from the following patent documents, for example, in general, an element being so-called by a heat-receiving (or cooler) jacket is mounted on the surface of the heat-generating element, i.e., the CPU, directly, while conducting the liquid coolant within a flow passage formed within the heat-receiving jacket, so as to transmit or convey the heat generated from the CPU to the coolant flowing within the jacket mentioned above, thereby cooling down the heat-generating element with high efficiency.
  • a heat-receiving (or cooler) jacket is mounted on the surface of the heat-generating element, i.e., the CPU, directly, while conducting the liquid coolant within a flow passage formed within the heat-receiving jacket, so as to transmit or convey the heat generated from the CPU to the coolant flowing within the jacket mentioned above, thereby cooling down the heat-generating element with high efficiency.
  • a heat cycle is made up with the cooler jacket, as the heat-receiving portion thereof, and in more details thereof, it comprises a circulation pump for circulating the liquid coolant mentioned above within the cycle, so-called a radiator, being a heat-radiation portion for irradiating heat of the liquid coolant mentioned above into an outside, and further a coolant tank provided in a part of the cycle depending on the necessity thereof. And, those are connected through a tube made of a metal and/or an elastic material, such as rubber or the like.
  • the cooling system of the liquid type being high in the cooling efficiency, to be used in the personal computer, such as, of the desktop type or the notebook type, and also the server, etc.
  • a circulation pump to be provided in a part of the heat cycle thereof for driving the liquid coolant
  • a pump of the so-called centrifugal type due to the reasons that an amount of flow obtained therefrom it is large, that it is free from the deterioration due to abrasion and also small in the noises generated therefrom, since it includes only a small portion sliding therein.
  • the centrifugal pump makes so-called an idling, and depending upon the case, it results into a problem that an electric motor for rotationally driving the pump burns out, or a shaft thereof fastens, etc. For this reason, in the case where applying such the pump of the centrifugal type, it is located in a lower portion of the liquid coolant in the disposition thereof.
  • an electronic apparatus installing a semiconductor element within a housing thereof, which necessitates cooling for maintaining normal operation thereof, in a part of the housing, and having a cooling system, within said housing or in a part thereof, said cooling system, comprising: a cooling jacket, being thematically connected with said semiconductor element, for transmitting heat generated therein to a liquid coolant flowing within an inside thereof; a radiator for radiating the heat transmitted into the liquid coolant within said cooling jacket into an outside of the apparatus; and a circulation pump for circulating said liquid coolant in a loop, including said cooling jacket and said radiator therein, wherein: said circulation pump is built up with a rotor formed with a plural number of blades in a centrifugal manner, a pump chamber receiving said rotor, in a rotatable manner, within an inside thereof, and an electric motor for rotationally driving said rotor, being formed together into one body, and said pump chamber is located in a lower
  • said circulation pump building up said liquid cooling system has an inlet opening passage for guiding the liquid coolant into said pump chamber, and said inlet opening passage is formed, extending from an upper portion of said pump chamber to a lower portion thereof, and further that said inlet opening passage is formed within an inside of a rotation shaft, for supporting said rotor, rotatabley, in said circulation pump.
  • an outlet of the liquid coolant, coming out from said circulation pump building up said liquid cooling system is formed at a position upper than the position of the blades of said rotor, which is disposed within said pump chamber.
  • said liquid cooling system further comprises a tank, which can supply the liquid coolant therein, always irrespective of direction of disposition thereof, and an outlet of said tank is connected to an inlet of said circulation pump.
  • a liquid cooling system for cooling a semiconductor element generating heat therefrom, comprising: a cooling jacket, being thematically connected with said semiconductor element, for transmitting heat generated therein to a liquid coolant flowing within an inside thereof; a radiator for radiating the heat transmitted into the liquid coolant within said cooling jacket into an outside of the apparatus; and a circulation pump for circulating said liquid coolant in a loop, including said cooling jacket and said radiator therein, wherein: said circulation pump is built up with a rotor formed with a plural number of blades in a centrifugal manner, a pump chamber receiving said rotor, in a rotatable manner, within an inside thereof, and an electric motor for rotationally driving said rotor, being formed together into one body, and said pump chamber is located in a lower portion of said electric motor.
  • said circulation pump building up said liquid cooling system has an inlet opening passage for guiding the liquid coolant into said pump chamber, and said inlet opening passage is formed, extending from an upper portion of said pump chamber to a lower portion thereof.
  • said inlet opening passage is formed within an inside of a rotation shaft, for supporting said rotor, rotatabley, in said circulation pump, and further that an outlet of the liquid coolant, coming out from said circulation pump building up said liquid cooling system, is formed at a position upper than the position of the blades of said rotor, which is disposed within said pump chamber.
  • said liquid cooling system further comprises a tank, which can supply the liquid coolant therein, always irrespective of direction of disposition thereof, and an outlet of said tank is connected to an inlet of said circulation pump.
  • FIGS. 1 ( a ) and 1 ( b ) are an upper view and a vertical cross-section view, in particular, for showing the detailed structure of a circulation pump in a cooling system, according to one embodiment of the present invention
  • FIG. 2 is a perspective view for showing an example of the arrangement of each part partially exploded thereof, within a personal computer of so-called the desktop type, for example;
  • FIG. 3 is a perspective view, in particular, for showing a cooling system within an electronic circuit portion, in the electronic apparatus, according to the one embodiment mentioned above;
  • FIGS. 4 ( a ) and 4 ( b ) are perspective views of a rotor in the circulation pump mentioned above, for showing the detailed structure thereof, seeing it from above and below, obliquely;
  • FIG. 5 is a vertical cross-section view for showing the structure of a circulation pump, according to other embodiment of the present invention.
  • FIG. 6 is a vertical cross-section view for showing the structure of the circulation pump, which was shown in the above as one example thereof, but according to other embodiment of the present invention.
  • FIG. 7 is a perspective view for showing the other structure of the liquid cooling system in the electronic apparatus, according to other embodiment of the present invention.
  • FIGS. 8 ( a ) and 8 ( b ) are perspective views, including the cross-section views thereof, for showing a coolant tank to be used in the liquid cooling system, according to the other embodiment mentioned above, for storing a liquid coolant therein, corresponding to various disposition conditions thereof;
  • FIGS. 9 ( a ) and 9 ( b ) are also perspective views, including the cross-section views thereof, for showing a coolant tank to be used in the liquid cooling system, according to the other embodiment mentioned above, for storing a liquid coolant therein, corresponding to various disposition conditions thereof.
  • FIG. 2 attached herewith shows an example of the entire structure of an electronic apparatus having a liquid cooling system therein, according to one embodiment of the present invention.
  • the present invention is applied into a main part or portion of a personal computer, such as, of the desktop type, for example.
  • the main portion of the desktop type personal computer comprises a housing 100 , which is formed from a metal plate into a cubic shape thereof, for example, and on a front panel portion 101 thereof are provided various kinds of switches, including an electric power switch therein, and indicator lamps, etc. Also, within an inside thereof is disposed a driver device 102 , for driving various kinds of external information recording medium, such as, a floppy disk, a CD, and a DVD, etc., so that it positions an opening thereof on the front panel portion 101 . Also, a reference numeral 103 in the figure depicts a memory portion provided within the housing 100 mentioned above, comprising a hard disk device, for example. And also, a reference numeral 104 in the figure depicts a cover to be put on the housing 100 mentioned above.
  • an electronic circuit portion 105 While on a rear side of the housing 100 is disposed an electronic circuit portion 105 , having a liquid cooling system according to the present invention, and a reference numeral 106 in the figure depicts an electric power source portion for supplying from a commercial electric power source, a desired electric power to each of the portions, including, the driver device 102 , the memory portion 103 , and the electronic circuit portion 105 mentioned above.
  • FIG. 3 attached herewith is shown the electronic circuit portion 105 of the electronic apparatus, the brief structure of which was explained in the above; i.e., within the desktop type personal computer, in particular, mainly around a heat receiving jacket 50 for mounting thereon a heat-generation element, such as, a CPU, as a main or principle structure thereof.
  • a heat-generation element such as, a CPU
  • a chip 200 of the CPU being the heat-generation element, is mounted on the lower side surface of the heat-receiving jacket 50 mentioned above, being in contact with, directly, therefore it is not illustrated on the figure, herein.
  • this electronic circuit portion 105 comprises the above-mentioned heat-receiving (or cooling) jacket 50 for mounting the CPU thereon, a radiator portion 60 for radiating heat generated from the CPU into an outside of the apparatus, a pump 70 for building up a cooling system, and further flow passages are formed by connecting tubes (conduits) 81 , 82 . . .
  • a liquid coolant for example, a water, or a mixture of water with a so-called anti-freezing solution, such as, propylene glycol, at a predetermined ratio thereof
  • a liquid coolant for example, a water, or a mixture of water with a so-called anti-freezing solution, such as, propylene glycol, at a predetermined ratio thereof
  • this heat-receiving (or cooling) jacket 50 is a plate-like member, being made of a metal having high heat conductivity, such as cupper or the like, and being formed with a cooling passage within an inside thereof, to conduct or communicated the liquid coolant into the passage thereof, thereby removing (moving) the heat generated from the CPU into the outside.
  • FIGS. 1 ( a ) and 1 ( b ) attached herewith show an upper view of the circulation pump 70 mentioned above, and at the same time, a vertical cross-section view thereof.
  • a field coil 712 building up a D-C motor, as an electric motor for driving the pump rotationally, being molded around the periphery thereof by an insulating resin 713 in one body, and further a ring-like gutter or groove 714 is formed surrounding around the periphery of the field coil 712 , and into an inside thereof are disposed magnet electrodes of the DC motor, which will be mentioned later.
  • this square-shaped box (i.e., the case) 710 there is formed a suction port 720 of the liquid coolant extending into a central portion thereof.
  • This suction port 720 extends a little bit while being bent downwards, at the central porting thereof.
  • an outer-ring shaft bearing 715 in an inside thereof is inserted a rotation shaft of the rotor, which will be mentioned later.
  • the rotor 30 is built up with a plural number of blades 731 , 731 . . . (in the present example, six (6) pieces thereof) formed upon a disk-like member (in the figure, on the lower surface thereof), as is apparent from FIGS. 1 ( a ) and 1 ( b ) and further FIGS. 4 ( a ) and 4 ( b ) attached herewith.
  • this rotor 730 comprises a ring-like portion 732 extending upwards from an outer edge of that disk-like member, and also on an interior wall surface of this ring-like portion 732 is attached a ring-like shaped permanent magnet 733 , being positioned (or magnetized) with the N pole and the S pole, alternately, as shown in the figure, for example.
  • a rotation shaft 734 which is made of a metal or a ceramic and formed into a cylindrical shape, penetrating through the disk-like member.
  • the rotor 730 is inserted into from the below in the figure, while fitting or inserting the rotation shaft 734 thereof into the outer-ring shaft bearing 715 of the box (i.e., the case) 710 and at the same time positioning the ring-like portion 732 thereof within the groove 714 , being ring-like in the outer configuration thereof, of the box (i.e., the case) 710 mentioned above.
  • a lower portion box (i.e., a case) 740 is attached covering over the entire thereof, so that the plural number of blades 731 , 731 . . .
  • a pump chamber 741 is defined for suppressing the liquid coolant therein, and further, this pump chamber 741 is formed to be located in the lower side of the electric motor portion for driving the pump rotationally.
  • a reference numeral 742 depicts a discharge port for the liquid coolant, which is formed in a portion of the lower box (i.e., the case) 740 mentioned above.
  • the flow passages for guiding the liquid coolant in an inside thereof are formed within an inside of the rotation shaft 734 , which supports the rotor 730 , rotatably, and further on the lower portion of this rotation shaft 734 (i.e., in an area where the blades 731 , 731 . . . are formed) are opened a plural number of penetrating holes 735 .
  • the rotor 730 when stopping the operation thereof, the rotor 730 ends the rotation thereof, and accompanying with this, the cooling liquid guided within the pump chamber 742 is accumulated within an inside of the pump, including bubbles and so on in a portion thereof.
  • the penetrating holes 736 , 736 . . . for use of babble removal are formed, respectively, on the lower surface of which the centrifugal blades 731 , 731 . . .
  • the gas moves into an outside of the pump chamber 741 , in more details, into an upper portion of the ring-like groove 714 formed in the box (i.e., the case) 710 , through the penetrating holes 736 , 736 . . . for use of bubble removal, even if the gas mixing therein is separated from the liquid coolant.
  • the circulation pump 70 having such the structure mentioned above, only the liquid coolant accumulates within the pump chamber 741 , however the gas mixing in the liquid coolant never remains within the pump chamber 741 , even when stopping.
  • the circulation pump 70 mentioned above is installed within a part of the main body of the personal computer of the desktop type shown in FIG. 2 mentioned above, and also it can perform the necessary pump operation, with certainty, even in the case if it is disposed in any position within the liquid cooling system having such the structures shown in FIG. 3 mentioned above.
  • FIG. 5 attached herewith shows other embodiment of the circulation pump 70 mentioned above, and in this embodiment, the passage, in which the suction port 720 ′ of the liquid coolant is opened, is formed covering over from a side surface of the box (i.e., the case) 710 , up to the central portion on the upper surface thereof, while being attaching on the wall surface and bent.
  • the passage in which the suction port 720 ′ of the liquid coolant is opened, is formed covering over from a side surface of the box (i.e., the case) 710 , up to the central portion on the upper surface thereof, while being attaching on the wall surface and bent.
  • the liquid coolant upon when stopping the operation of the circulation pump 70 , the liquid coolant, which has been circulating up to that time, can easily stay in the suction port 720 ′ formed to be bent, and also in that instance, in particular, the liquid coolant flows into the rotation shaft 734 of the rotor 730 mentioned above, and at the same time, the gaseous component mixing into a portion thereof moves into an upper side of the suction port 720 ′.
  • the pump will never run idle, even when it is resumed (started), again, of the operation after the temporal stoppage thereof, since the liquid coolant fills up always within the pump chamber 741 receiving the blades 731 within the inside thereof, thereby enabling the pump operation of the liquid coolant, with certainty.
  • FIG. 6 attached herewith shows further other embodiment of the circulation pump 70 mentioned in the above.
  • a portion 743 of the lower portion box (i.e., the case) 740 building up the side wall of the pump chamber 741 mentioned above, is extended upwards; thus, the opening of the discharge port 742 to the pump chamber 741 is disposed, so that the position thereof comes to be upper than that of the centrifugal blades 731 , 731 . . . of the rotor 730 .
  • the suction port 720 ′′ for the liquid coolant are formed in one body, together with the discharge port 742 mentioned above, on the lower box (i.e., the case) 740 building up the circulation pump 70 mentioned above. Namely, as is apparent from the figure, this suction port 720 ′′, differing from the embodiment mentioned above, is attached on the side surface of the circulation pump 70 .
  • this suction port 720 ′′ reaches up to the lower surface of the lower box (i.e., the case) 740 , after bending upwards, once, and thereafter, it extends on the lower surface of the lower box (i.e., the case) up to the central portion thereof (i.e., the lower surface extending portion 721 ), and it opens directing from a lower wall surface 744 in vicinity of the central portion of the rotor 730 mentioned above, into an inside of the pump chamber 741 .
  • a rod-like rotating shaft 734 ′ is attached at the central portion of the rotor 730 , and on the other hand, on the side of the lower box (i.e., the case) 740 is attached a plate-like outer-ring shaft bearing 715 ′, into the hollow portion thereof the rod-like rotation shaft 734 ′ is inserted, thereby supporting the rotor 730 , rotatably.
  • the rotor 730 also stops the rotation thereof. And, accompanying with this, the liquid coolant guided into the pump chamber 742 accumulates within the inside of the pump, containing bubbles and so on, in a part thereof. In that instance, as was mentioned above, since the position of the discharge port 742 opening into the pump chamber 741 is arranged so that it comes to be lower than that the centrifugal blades 731 , 731 . . .
  • FIG. 7 attached herewith shows other liquid cooling system, according to further other embodiment of the present invention.
  • the numeral references being same to those shown in FIG. 3 mentioned above depict the constituent elements, which are same to those shown in the embodiment mentioned above.
  • a coolant tank 200 is further provided between the radiator 60 and the circulation pump 70 mentioned above, building up the cooling system, for the purpose of storing or accumulating the liquid coolant; e.g., the water or the mixture of the water and the anti-freezing solution, such as, propylene glycol or the like, in an inside thereof, to be circulated within the inside of the system.
  • the liquid coolant e.g., the water or the mixture of the water and the anti-freezing solution, such as, propylene glycol or the like
  • this coolant tank 200 is located horizontally, as is indicated by solid lines in the figure, or vertically, as is indicated by broken lines in the figure, for example, depending upon the restriction of the space within an inside thereof, for example, when it is disposed within the inside of the housing 100 of the desktop type personal computer shown in FIG. 2 in the above.
  • this coolant tank 200 has the structure, as shown in FIGS. 8 ( a ) and 8 ( b ) attached herewith, wherein the coolant storage space defined within the inside thereof is divided into a plural number of spaces (for example, three (3) spaces SP1, SP2 and SP3, in the present embodiment), with forming labylinth by combining partition walls 201 , 202 , 203 and 204 , each having about “L”-like cross-section shape.
  • a reference numeral 205 in the figure indicates an inlet for the liquid coolant flowing into from the radiator 60 mentioned above, and 206 an outlet for the liquid coolant flowing out into the circulation pump 70 mentioned above.
  • reference numerals 206 and 207 indicate portions of the partition walls 202 and 204 , each having the “L”-like cross-section; thus, an opening portion that is formed at the position in the vicinity of an outer periphery of the tank.
  • the liquid cooling system being applicable into the electronic apparatus, such as, the personal computers, of so-called the desktop-type and the notebook-type, and further the server, etc., easily, and having a high cooling efficiency with using the pump suitable for small-sizing thereof, and also the electronic apparatus having such therein, thereby enabling to dissolve the problems at the time of starting mentioned above, in particular, even when applying the centrifugal pump therein.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Theoretical Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Human Computer Interaction (AREA)
  • General Physics & Mathematics (AREA)
  • Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
US10/792,719 2004-02-16 2004-03-05 Liquid cooling system, and electronic apparatus having the same therein Abandoned US20050178526A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004037920A JP2005229020A (ja) 2004-02-16 2004-02-16 液冷システム及びそれを備えた電子機器
JP2004-037920 2004-02-16

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US20050178526A1 true US20050178526A1 (en) 2005-08-18

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US (1) US20050178526A1 (zh)
EP (1) EP1571533A2 (zh)
JP (1) JP2005229020A (zh)
KR (1) KR20050081817A (zh)
CN (1) CN1658119A (zh)
TW (1) TW200529729A (zh)

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US20080075611A1 (en) * 2006-09-21 2008-03-27 Foxconn Technology Co., Ltd. Miniature liquid cooling device having an integral pump therein
US20120106083A1 (en) * 2010-10-28 2012-05-03 Asetek, A/S Liquid cooling system for an electronic system
WO2012170802A3 (en) * 2011-06-08 2013-04-25 Coda Automotive, Inc. Cooling system with anomaly detection
US20140216695A1 (en) * 2013-02-05 2014-08-07 Bor-bin Tsai Water-cooling module
US20140255225A1 (en) * 2013-03-08 2014-09-11 Everheart Systems Inc. Flow thru mechanical blood pump bearings
CN104421166A (zh) * 2013-08-30 2015-03-18 刘讯岐 超高效液冷电机泵
US20180128153A1 (en) * 2015-05-21 2018-05-10 Brightron Co., Ltd Cooling fan using surface cooling effect for rotating fan blade part
CN109696008A (zh) * 2019-01-31 2019-04-30 深圳市研派科技有限公司 一种流体冷却装置
US20190174653A1 (en) * 2017-12-06 2019-06-06 Auras Technology Co., Ltd. Liquid-cooling heat dissipating module
US10568998B2 (en) 2010-10-07 2020-02-25 Everheart Systems Inc. High efficiency blood pump
CN112302953A (zh) * 2019-07-25 2021-02-02 台达电子工业股份有限公司 帮浦机构、帮浦系统以及帮浦机构的制造方法
US20230115143A1 (en) * 2021-10-08 2023-04-13 Auras Technology Co., Ltd. Heat dissipation device
US12492705B2 (en) * 2023-09-22 2025-12-09 Sunonwealth Electric Machine Industry Co., Ltd. Water pump structure and rotor thereof

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US7228888B2 (en) * 2005-10-13 2007-06-12 International Business Machines Corporation Rotatable liquid reservoir for computer cooling
CN105338782B (zh) * 2014-05-27 2019-03-26 展讯通信（上海）有限公司 一种散热装置
CN106053888B (zh) * 2016-05-14 2018-11-06 刘洋 一种具有散热功能的智能仪表
US10543036B2 (en) * 2017-06-13 2020-01-28 Covidien Lp Systems and methods of cooling surgical instruments
JP7181443B2 (ja) * 2018-02-14 2022-12-01 日本電産サンキョー株式会社 冷却装置
US10746084B2 (en) * 2018-12-13 2020-08-18 General Electric Company Liquid driven thermal module and thermal management system
CN119225496B (zh) * 2024-12-03 2025-02-28 成都天瀚智能科技有限公司 一种用于mxm显卡的水冷装置及加固笔记本

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TW200529729A (en) 2005-09-01
CN1658119A (zh) 2005-08-24

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