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US20120288384A1 - Heat-dissipation fan - Google Patents

Heat-dissipation fan Download PDF

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Publication number
US20120288384A1
US20120288384A1 US13/467,221 US201213467221A US2012288384A1 US 20120288384 A1 US20120288384 A1 US 20120288384A1 US 201213467221 A US201213467221 A US 201213467221A US 2012288384 A1 US2012288384 A1 US 2012288384A1
Authority
US
United States
Prior art keywords
heat
spacing
plate
ring wall
dissipation fan
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
US13/467,221
Other languages
English (en)
Inventor
Cheng-Chun Chou
Yu-Cheng Chen
Yen-Min Su
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.)
Adda Corp
Original Assignee
Adda Corp
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 Adda Corp filed Critical Adda Corp
Assigned to ADDA CORP. reassignment ADDA CORP. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHOU, CHENG-CHUN, CHEN, YU-CHENG, SU, YEN-MIN
Publication of US20120288384A1 publication Critical patent/US20120288384A1/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
    • F04D25/0613—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the electric motor being of the inside-out type, i.e. the rotor is arranged radially outside a central stator
    • F04D25/0633—Details of the magnetic circuit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
    • F04D17/08—Centrifugal pumps
    • F04D17/16—Centrifugal pumps for displacing without appreciable compression
    • F04D17/162—Double suction pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
    • F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
    • F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • the present invention is generally related to a heat-dissipation fan, which particularly relates to the heat-dissipation fan with dust exhaustion function.
  • a conventional heat-dissipation fan 10 as indicated in FIGS. 19 and 20 includes a bottom plate 11 , a ring wall 12 , a stator 13 , a circuit board 14 , a fan wheel 15 and a lid 16 .
  • the bottom plate 11 comprises a first vent 11 a
  • the ring wall 12 comprises a second vent 12 a
  • the ring wall 12 is disposed at the bottom plate 11 so as to define an accommodating slot 17 .
  • the stator 13 , the circuit board 14 and the fan wheel 15 are disposed within the accommodating slot 17 , wherein the circuit board 14 is electrically connected with the stator 13 to drive the fan wheel 15 into rotation counterclockwise.
  • the lid 16 is coupled to the ring wall 12 and comprises a third vent 16 a.
  • a rotating fan wheel of a conventional heat-dissipation fan may gather the dust within the conventional heat-dissipation fan to lead a slower rotation speed of the fan wheel or a destruction of the heat-dissipation fan.
  • the primary object of the present invention is to overcome mentioned issue of the conventional heat-dissipation fan.
  • a heat-dissipation fan in this invention includes a first plate, a second plate, a ring wall, a spacing rib, a stator, a circuit board and a fan wheel.
  • the first plate comprises a first top surface, a first bottom surface, a first aperture and a vent
  • a second plate comprises a second top surface, a second bottom surface and a second aperture.
  • the ring wall comprises an inner surface, an outer surface and a first opening, wherein the ring wall is disposed between the first plate and the second plate, and an accommodating space can be defined by the first plate, the second plate and the ring wall.
  • the spacing rib is disposed at the accommodating space.
  • a passage is formed between the spacing rib and the ring wall, the spacing rib comprises a first end portion and a second end portion, wherein the second end portion and the ring wall are spaced apart to form a second opening.
  • the passage is in communication with the vent, and the second opening is in communication with the passage and the accommodating space.
  • the stator is disposed at the accommodating space.
  • the circuit board is electrically connected with the stator and includes a forward/reverse control unit.
  • the fan wheel is coupled to the stator and comprises a hub and a plurality of blades.
  • the rotation direction of the fan wheel is controllable by the forward/reverse control unit.
  • the air inside the accommodating space may be discharged through the second opening, the passage and the vent, which may push forward the dust that is adhered to the accommodating space to be discharged. Therefore, the cleaning of the heat-dissipation fan and dust exhaustion can be achieved simultaneously.
  • the first end portion of the spacing rib and the inner surface of the ring wall are spaced apart by a first spacing
  • the second end portion of the spacing rib and the inner surface of the ring wall are spaced apart by a second spacing
  • the first spacing has a first width
  • the second spacing has a second width
  • the passage between the spacing rib and the inner surface of the ring wall is tapered from the second width to the first width so that the passage can be regarded as a pressure accumulation passage.
  • FIG. 1 is a perspective exploded diagram illustrating a heat-dissipation fan in accordance with a first embodiment of the present invention.
  • FIG. 2 is a partial assembly diagram illustrating a heat-dissipation fan in accordance with a first embodiment of the present invention.
  • FIG. 3 is an action diagram illustrating a heat-dissipation fan in accordance with a first embodiment of the present invention.
  • FIG. 4 is an action diagram illustrating a heat-dissipation fan in accordance with a first embodiment of the present invention.
  • FIG. 5 is a perspective exploded diagram illustrating a heat-dissipation fan in accordance with a second embodiment of the present invention.
  • FIG. 6 is a partial assembly diagram illustrating a heat-dissipation fan in accordance with a second embodiment of the present invention.
  • FIG. 7 is a perspective exploded diagram illustrating a heat-dissipation fan in accordance with a third embodiment of the present invention.
  • FIG. 8 is a partial assembly diagram illustrating a heat-dissipation fan in accordance with a third embodiment of the present invention.
  • FIG. 9 is an action diagram illustrating a heat-dissipation fan in accordance with a third embodiment of the present invention.
  • FIG. 10 is a perspective exploded diagram illustrating a heat-dissipation fan in accordance with a fourth embodiment of the present invention.
  • FIG. 11 is a partial assembly diagram illustrating a heat-dissipation fan in accordance with a fourth embodiment of the present invention.
  • FIG. 12 is an action diagram illustrating a heat-dissipation fan in accordance with a fourth embodiment of the present invention.
  • FIG. 13 is a perspective exploded diagram illustrating a heat-dissipation fan in accordance with a fifth embodiment of the present invention.
  • FIG. 14 is a partial assembly diagram illustrating a heat-dissipation fan in accordance with a fifth embodiment of the present invention.
  • FIG. 15 is an action diagram illustrating a heat-dissipation fan in accordance with a fifth embodiment of the present invention.
  • FIG. 16 is an action diagram illustrating a heat-dissipation fan in accordance with a fifth embodiment of the present invention.
  • FIG. 17 is a perspective exploded diagram illustrating a heat-dissipation fan in accordance with a sixth embodiment of the present invention.
  • FIG. 18 is an action diagram illustrating a heat-dissipation fan in accordance with a sixth embodiment of the present invention.
  • FIG. 19 is a perspective exploded diagram of a conventional heat-dissipation fan.
  • FIG. 20 is a perspective assembly diagram of a conventional heat-dissipation fan.
  • a heat-dissipation fan 100 in accordance with a first preferred embodiment of the present invention includes a first plate 110 , a second plate 120 , a ring wall 130 , a spacing rib 150 , a stator 170 , a circuit board 180 and a fan wheel 190 .
  • the first plate 110 comprises a first top surface 111 , a first bottom surface 112 , a first aperture 113 and a vent 114 , wherein the first aperture 113 and the vent 114 are penetrated through the first top surface 111 and the first bottom surface 112 .
  • the first plate 110 further comprises a supporting base 115 disposed at the first aperture 113 .
  • the second plate 120 comprises a second top surface 121 , a second bottom surface 122 , and a second aperture 123 penetrated through the second top surface 121 and the second bottom surface 122 .
  • the ring wall 130 comprises an inner surface 131 , an outer surface 132 and a first opening 133 . With reference to FIG. 2 , the ring wall 130 is coupled to the first top surface 111 of the first plate 110 , and the ring wall 130 is disposed between the first plate 110 and the second plate 120 .
  • the second bottom surface 122 of the second plate 120 is coupled to the ring wall 130 and faces toward the first top surface 111 of the first plate 110 , wherein an accommodating space 140 can be defined by the first plate 110 , the second plate 120 and the ring wall 130 .
  • the spacing rib 150 is located between the first plate 110 and the second plate 120 and is disposed at the accommodating space 140 .
  • a passage 160 is formed between the spacing rib 150 and the ring wall 130 .
  • the spacing rib 150 comprises a first end portion 151 and a second end portion 152 , wherein the second end portion 152 and the ring wall 130 are spaced apart to form a second opening 161 .
  • the passage 160 is in communication with the vent 114 , and the second opening 161 is in communication with the passage 160 and the accommodating space 140 .
  • the first end portion 151 of the spacing rib 150 is in contact against the inner surface 131 of the ring wall 130 .
  • the first end portion 151 of the spacing rib 150 is formed as one piece with the inner surface 131 of the ring wall 130 .
  • the first end portion 151 of the spacing rib 150 and the inner surface 131 of the ring wall 130 are spaced apart by a first spacing 162
  • the second end portion 152 of the spacing rib 150 and the inner surface 131 of the ring wall 130 are spaced apart by a second spacing 163
  • the second spacing 163 is larger than the first spacing 162
  • the first spacing 162 has a first width
  • the second spacing 163 has a second width.
  • the passage 160 between the spacing rib 150 and the inner surface 131 of the ring wall 130 is tapered from the second width to the first width so that the passage 160 can be regarded as a pressure accumulation passage.
  • the spacing rib 150 can be an arc-shaped plate.
  • the stator 170 is disposed at the accommodating space 140 , and the stator 170 is located between the first plate 110 and the second plate 120 .
  • the stator 170 and the circuit board 180 are coupled to the supporting base 115 of the first plate 110 , wherein the circuit board 180 includes a forward/reverse control unit 181 , and the forward/reverse control unit 181 can be a micro controller unit or an analog circuit.
  • the forward/reverse control unit 181 is electrically connected with the circuit board 180
  • the circuit board 180 is electrically connected with the stator 170 .
  • the fan wheel 190 is coupled to the stator 170 and can be driven to rotate by the stator 170 .
  • the fan wheel 190 comprises a hub 191 and a plurality of blades 192 .
  • the rotation direction of the fan wheel 190 is controllable by the forward/reverse control unit 181 . Therefore, the fan wheel 190 can be driven to rotate in a first direction or in a second direction opposite to the first direction, wherein the first direction can be clockwise or counterclockwise. In this embodiment, the first direction is clockwise, and the second direction is counterclockwise.
  • the rotating blades 192 of the fan wheel 190 enable the air inside the accommodating space 140 to generate airflow A 1 .
  • the air outside the heat-dissipation fan 100 may pass through the first aperture 113 of the first plate 110 and the second aperture 123 of the second plate 120 , and the air is eventually exhausted into the accommodating space 140 via airflow A 1 .
  • the air inside the accommodating space 140 may be discharged from the first opening 133 of the ring wall 130 via airflow A 1 therefore forming a gas circulation to achieve heat dissipation function.
  • the rotating blades 192 of the fan wheel 190 enable the air within the accommodating space 140 to generate airflow A 2 .
  • the air outside the heat-dissipation fan 100 may pass through the first opening 133 of the ring wall 130 and is exhausted into the accommodating space 140 via airflow A 2 .
  • the air inside the accommodating space 140 may be discharged through the second opening 161 , the passage 160 and the vent 114 via airflow A 2 , which may push forward the dust adhered to the accommodating space 140 to be discharged from the vent 114 of the heat-dissipation fan 100 as well. Accordingly, the cleaning of the heat-dissipation fan 100 and dust exhaustion can be achieved simultaneously.
  • the passage 160 between the spacing rib 150 and the inner surface 131 of the ring wall 130 is tapered from the second width to the first width so that the passage 160 can be regarded as a pressure accumulation passage.
  • a pressure difference is generated for increasing the pressure of the air that is penetrated through the vent 114 .
  • a relative large air pressure may prevent the dust from gathering around the vent 114 , and an obstruction of the vent 114 can be avoidable. It is beneficial for exhausting the dust of the heat-dissipation fan 100 .
  • a second embodiment of this invention can be referred to FIGS. 5 and 6 .
  • the difference between the second embodiment and the first embodiment is that a vent 124 is disposed at the second plate 120 , and the vent 124 is penetrated through the second top surface 121 and the second bottom surface 122 .
  • the fan wheel 190 is rotated in the first direction controlled by the forward/reverse control unit 181 , the dust within the accommodating space 140 may be discharged through the second opening 161 , the passage 160 and the vent 124 . Accordingly, the cleaning of the heat-dissipation fan 100 and dust exhaustion can be achieved simultaneously.
  • a third embodiment of this invention can be referred to FIGS. 7-9 , the difference between the third embodiment and the first embodiment is that the spacing rib 150 is formed as one piece with the first top surface 111 of the first plate 110 .
  • the ring wall 130 is coupled to the first top surface 111 of the first plate 110
  • the second plate 120 is coupled to the ring wall 130
  • the passage 160 is formed between the spacing rib 150 and the ring wall 130 .
  • the first end portion 151 of the spacing rib 150 is in contact against the inner surface 131 of the ring wall 130 .
  • the air inside the accommodating space 140 may be discharged through the second opening 161 , the passage 160 and the vent 114 via airflow A 2 , which may push forward the dust adhered to the accommodating space 140 to be discharged from the heat-dissipation fan 100 as well. Accordingly, the cleaning of the heat-dissipation fan 100 and dust exhaustion can be achieved simultaneously.
  • a fourth embodiment of this invention can be referred to FIGS. 10 , 11 and 12 .
  • the difference between the fourth embodiment and the first embodiment is that the spacing rib 150 is formed as one piece with the second bottom surface 122 of the second plate 120 .
  • the ring wall 130 is coupled to the second bottom surface 122 of the second plate 120 , and the passage 160 is formed between the spacing rib 150 and the ring wall 130 .
  • the first end portion 151 of the spacing rib 150 is in contact against the inner surface 131 of the ring wall 130
  • the second end portion 152 and the ring wall 130 are spaced apart to form the second opening 161 .
  • the passage 160 is in communication with the vent 114 of the first plate 110 .
  • the air inside the accommodating space 140 may be discharged through the second opening 161 , the passage 160 and the vent 114 via airflow A 2 , which may push forward the dust adhered to the accommodating space 140 to be discharged from the heat-dissipation fan 100 as well. Accordingly, the cleaning of the heat-dissipation fan 100 and dust exhaustion can be achieved simultaneously.
  • a fifth embodiment of this invention can be referred to FIGS. 13-16 .
  • the heat-dissipation fan 100 further includes an active spacing rib 150 a disposed at the second opening 161 .
  • the active spacing rib 150 a comprises a pivoted portion 150 b and a swing portion 150 c in connection with the pivoted portion 150 b.
  • the pivoted portion 150 b is pivotally connected with the first top surface 111 of the first plate 110 and the second bottom surface 122 of the second plate 120 .
  • the heat-dissipation fan 100 further includes a resilient member S having a first end S 1 and a second end S 2 , wherein the resilient member S can be chosen from a leaf spring or a conventional spring.
  • the resilient member S can be a leaf spring, the first end S 1 of the resilient member S is fixed at the spacing rib 150 , and the second end S 2 is fixed at the active spacing rib 150 a.
  • the heat-dissipation fan 100 further includes a pillar P disposed between the active spacing rib 150 a and the blades 192 of the fan wheel 190 .
  • the pillar P is formed as one piece with the first top surface 111 of the first plate 110 .
  • the pillar P is formed as one piece with the second bottom surface 122 of the second plate 120 .
  • the rotating blades 192 of the fan wheel 190 enable the air within the accommodating space 140 to generate airflow A 1 .
  • the swing portion 150 c is to utilize the pivoted portion 150 b as a rotation axis and can be driven by airflow A 1 so as to swing toward the inner surface 131 of the ring wall 130 .
  • the second opening 161 can be sealed by the swing portion 150 c to prevent the air outside the heat-dissipation fan 100 from exhausting through the vent 114 , the passage 160 and the second opening 161 to the accommodating space 140 to avoid a dust obstruction in the vent 114 of the heat-dissipation fan 100 .
  • the resilient member S provides an elastic force to enable the swing portion 150 c to utilize the pivoted portion 150 b as a rotation axis and swings toward the fan wheel 190 , and the swing portion 150 c is in contact against the pillar P to prevent the swing portion 150 c of the active spacing rib 150 from colliding with the blades 192 of the fan wheel 190 to avoid a destruction of the heat-dissipation fan 100 .
  • the passage 160 communicates with the accommodating space 140 .
  • the air inside the accommodating space 140 may be discharged through the second opening 161 , the passage 160 and the vent 114 via airflow A 2 , which may push forward the dust adhered to the accommodating space 140 to be discharged from the heat-dissipation fan 100 .
  • a sixth embodiment of this invention can be referred to FIGS. 17 and 18 .
  • the difference between the sixth embodiment and the first embodiment is that a vent is not disposed at the first plate 110 .
  • the passage 160 formed between the spacing rib 150 and the ring wall 130 is in communication with an edge 116 of the first plate 110 .
  • the passage 160 comprises a vent 164 in communication with the edge 116 of the first plate 110 .
  • the air inside the accommodating space 140 may be discharged through the second opening 161 , the passage 160 and the vent 164 of the passage 160 via airflow A 2 , which may push forward the dust adhered to the accommodating space 140 to be discharged from the heat-dissipation fan 100 as well. Accordingly, the cleaning of the heat-dissipation fan 100 and dust exhaustion can be achieved simultaneously.
  • the air outside the heat-dissipation fan 100 may be exhausted through the first aperture 113 of the first plate 110 and the second aperture 123 of the second plate 120 .
  • the air inside the accommodating space 140 may be discharged from the first opening 133 of the ring wall 130 therefore forming a gas circulation for achieving heat dissipation function.
  • the air inside the accommodating space 140 may be discharged through the second opening 161 , the passage 160 and the vent 114 , 124 , 164 .
  • the dust adhered to the accommodating space 140 can be discharged from the heat-dissipation fan 100 as well. Accordingly, the cleaning of the heat-dissipation fan 100 and dust exhaustion can be achieved simultaneously.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
US13/467,221 2011-05-12 2012-05-09 Heat-dissipation fan Abandoned US20120288384A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW100116616A TWI487841B (zh) 2011-05-12 2011-05-12 散熱風扇
TW100116616 2011-05-12

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130039751A1 (en) * 2011-08-11 2013-02-14 Quanta Computer Inc. Centrifugal fan
US20140099197A1 (en) * 2012-10-08 2014-04-10 Wen-Cheng Chen Centrifugal fan with ancillary airflow opening
CN105545785A (zh) * 2014-12-24 2016-05-04 大连尚能科技发展有限公司 一种冷却器风扇自动除尘方法
CN106351853A (zh) * 2015-07-21 2017-01-25 台达电子工业股份有限公司 具活动导流板的散热风扇
US20230127566A1 (en) * 2020-03-27 2023-04-27 Sony Interactive Entertainment Inc. Electronic apparatus
US12075593B2 (en) 2020-03-27 2024-08-27 Sony Interactive Entertainment Inc. Electronic apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105660904B (zh) * 2016-04-21 2023-05-02 云南韵和机械科技有限公司 一种普洱茶自动压饼机

Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1382846A (en) * 1919-07-24 1921-06-28 Carle J Merrill Separator
US1383984A (en) * 1920-11-16 1921-07-05 William G Clark Adjustable air-separator
US1384380A (en) * 1920-02-28 1921-07-12 Bourdon Charles Gas-purifier
US1439412A (en) * 1919-04-19 1922-12-19 Joseph E Case Dust collector
US1838117A (en) * 1928-07-19 1931-12-29 Simms Frederick Richard Dust separator
US2219377A (en) * 1937-07-24 1940-10-29 American Blower Corp Air handling and dust collecting mechanism
US2289474A (en) * 1937-05-18 1942-07-14 American Blower Corp Apparatus for dust collection
US2325221A (en) * 1936-12-28 1943-07-27 Walter H Bretzlaff Segregated pressure fan
US3450333A (en) * 1966-01-28 1969-06-17 Casper Nihot Installations for sucking off and separation of waste products of working machines and centrifugal air pumps for use with it
US3796511A (en) * 1972-06-15 1974-03-12 Frigidraulic Inc Blower
US4588351A (en) * 1984-09-21 1986-05-13 General Motors Corporation Centrifugal-type air blower bleed-off arrangement
US4971518A (en) * 1988-04-30 1990-11-20 Asea Brown Boveri Ltd. Radial fan with integrated dust separator
US5000769A (en) * 1989-04-14 1991-03-19 Brevet System for ventilating a rail traction motor and for dynamically purifying the ventilation air
US6132170A (en) * 1998-12-14 2000-10-17 Sunonwealth Electric Machine Industry Co., Ltd. Miniature heat dissipating fans with minimized thickness
US20030142476A1 (en) * 2002-01-29 2003-07-31 Kabushiki Kaisha Toshiba Centrifugal blower unit having swirl chamber, and electronic apparatus equipped with centrifugal blower unit
US20080030949A1 (en) * 2006-08-01 2008-02-07 Asustek Computer Inc. Fluid-providing module and electronic device using the same
US20110097195A1 (en) * 2009-10-23 2011-04-28 Alex Horng Heat Dissipating Fan
US8702401B2 (en) * 2011-02-15 2014-04-22 Sunonwealth Electric Machine Industry Co., Ltd. Cooling fan and housing thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4493611B2 (ja) * 2005-12-13 2010-06-30 富士通株式会社 電子機器
JP2007270631A (ja) * 2006-03-30 2007-10-18 Japan Servo Co Ltd 遠心ファン
US20100071877A1 (en) * 2008-09-19 2010-03-25 Nitin Goel Reducing accumulation of dust particles on a heat dissipating arrangement
TWM350977U (en) * 2008-10-01 2009-02-11 Inventec Corp Fan device capable of electrostatic dust removal
TWI402425B (zh) * 2008-10-01 2013-07-21 Pegatron Corp 離心式風扇
TWM366611U (en) * 2009-05-04 2009-10-11 Wistron Corp Centrifugal fan housing, centrifugal fan, and electronic device having the centrifugal fan
TWI365254B (en) * 2009-09-08 2012-06-01 Sunonwealth Electr Mach Ind Co Dissipating fan comprises a frame, a stator, a fan

Patent Citations (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1439412A (en) * 1919-04-19 1922-12-19 Joseph E Case Dust collector
US1382846A (en) * 1919-07-24 1921-06-28 Carle J Merrill Separator
US1384380A (en) * 1920-02-28 1921-07-12 Bourdon Charles Gas-purifier
US1383984A (en) * 1920-11-16 1921-07-05 William G Clark Adjustable air-separator
US1838117A (en) * 1928-07-19 1931-12-29 Simms Frederick Richard Dust separator
US2325221A (en) * 1936-12-28 1943-07-27 Walter H Bretzlaff Segregated pressure fan
US2289474A (en) * 1937-05-18 1942-07-14 American Blower Corp Apparatus for dust collection
US2219377A (en) * 1937-07-24 1940-10-29 American Blower Corp Air handling and dust collecting mechanism
US3450333A (en) * 1966-01-28 1969-06-17 Casper Nihot Installations for sucking off and separation of waste products of working machines and centrifugal air pumps for use with it
US3796511A (en) * 1972-06-15 1974-03-12 Frigidraulic Inc Blower
US4588351A (en) * 1984-09-21 1986-05-13 General Motors Corporation Centrifugal-type air blower bleed-off arrangement
US4971518A (en) * 1988-04-30 1990-11-20 Asea Brown Boveri Ltd. Radial fan with integrated dust separator
US5000769A (en) * 1989-04-14 1991-03-19 Brevet System for ventilating a rail traction motor and for dynamically purifying the ventilation air
US6132170A (en) * 1998-12-14 2000-10-17 Sunonwealth Electric Machine Industry Co., Ltd. Miniature heat dissipating fans with minimized thickness
US20030142476A1 (en) * 2002-01-29 2003-07-31 Kabushiki Kaisha Toshiba Centrifugal blower unit having swirl chamber, and electronic apparatus equipped with centrifugal blower unit
US20080030949A1 (en) * 2006-08-01 2008-02-07 Asustek Computer Inc. Fluid-providing module and electronic device using the same
US20110097195A1 (en) * 2009-10-23 2011-04-28 Alex Horng Heat Dissipating Fan
US8702401B2 (en) * 2011-02-15 2014-04-22 Sunonwealth Electric Machine Industry Co., Ltd. Cooling fan and housing thereof

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130039751A1 (en) * 2011-08-11 2013-02-14 Quanta Computer Inc. Centrifugal fan
US8961123B2 (en) * 2011-08-11 2015-02-24 Quanta Computer Inc. Centrifugal fan
US20140099197A1 (en) * 2012-10-08 2014-04-10 Wen-Cheng Chen Centrifugal fan with ancillary airflow opening
US9518584B2 (en) * 2012-10-08 2016-12-13 Foxconn Technology Co., Ltd. Centrifugal fan with ancillary airflow opening
CN105545785A (zh) * 2014-12-24 2016-05-04 大连尚能科技发展有限公司 一种冷却器风扇自动除尘方法
CN106351853A (zh) * 2015-07-21 2017-01-25 台达电子工业股份有限公司 具活动导流板的散热风扇
US20170023024A1 (en) * 2015-07-21 2017-01-26 Delta Electronics, Inc. Cooling fan with moving baffle
US10190602B2 (en) * 2015-07-21 2019-01-29 Delta Electronics, Inc. Cooling fan with moving baffle
US20230127566A1 (en) * 2020-03-27 2023-04-27 Sony Interactive Entertainment Inc. Electronic apparatus
US12075593B2 (en) 2020-03-27 2024-08-27 Sony Interactive Entertainment Inc. Electronic apparatus
US12324124B2 (en) * 2020-03-27 2025-06-03 Sony Interactive Entertainment Inc. Electronic apparatus

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