EP2383472A1 - Heat-dissipating fan - Google Patents
Heat-dissipating fan Download PDFInfo
- Publication number
- EP2383472A1 EP2383472A1 EP20110005839 EP11005839A EP2383472A1 EP 2383472 A1 EP2383472 A1 EP 2383472A1 EP 20110005839 EP20110005839 EP 20110005839 EP 11005839 A EP11005839 A EP 11005839A EP 2383472 A1 EP2383472 A1 EP 2383472A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- power line
- wire
- heat
- connection port
- housing
- 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.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 16
- 230000002708 enhancing effect Effects 0.000 description 6
- 238000004804 winding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- F04D25/0653—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump the motor having a plane air gap, e.g. disc-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
- 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
- F04D25/0693—Details or arrangements of the wiring
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
- The present invention relates to a heat-dissipating fan and, more particularly, to a heat-dissipating fan allowing easy assembly of a power line.
- Heat-dissipating fans generally include a power line for connection with an external power source for driving the heat-dissipating fans. The position for fixing the power line must be carefully arranged to avoid the power line from being loosened or being entangled in an impeller of the heat-dissipating fan. However, the power line in most of the currently available heat-dissipating fans winds in a complex manner and, thus, causes inconvenience to assembly.
-
FIG. 1 shows a conventional heat-dissipatingfan 70 including a wire-positioning mechanism 71. The wire-positioning mechanism 71 includes abottom 711, twosupport portions 712, and twostop portions 713. Apower line 72 winds through thebottom 711, thesupport portions 712, and thestop portions 713. Although thepower line 72 can be reliably positioned by the wire-positioning mechanism 71, an end of thepower line 72 must be extended from under the heat-dissipatingfan 70 to the outside and then wind through thebottom 711, thesupport portions 712, and thestop portions 713 in sequence, increasing difficulties to assembly of thepower line 72. Furthermore, the wire-positioning mechanism 71 is complex and, thus, increases the overall costs of the heat-dissipatingfan 70. -
FIGS. 2 and3 show another conventional heat-dissipating fan 8 including ahousing 81, astator seat 82, animpeller 83, and alid 84. Thehousing 81 includes acompartment 811 and achannel 812 in communication with thecompartment 811. Thestator seat 82 is mounted in thecompartment 811 and has aconnection port 821 connected to apower line 822. Theimpeller 83 is rotatably coupled to thestator seat 82 and has apermanent magnet 831. Thelid 84 includes atab 841 that extends into thechannel 812 when thelid 84 is coupled to thehousing 81. During assembly of thepower line 822, an end of thepower line 822 winds through thechannel 812 to the outside for connection with an external power source. Thetab 841 presses against and, thus, positions thepower line 822. However, theconnection port 821 does not face thechannel 812 and is spaced from thechannel 812 by a distance. After thepower line 822 is connected to theconnection port 821, thepower line 822 must wind through the distance in thecompartment 811 before thepower line 822 exits thehousing 81 via thechannel 812, increasing difficulties in winding thepower line 822 and leading to inconvenience to assembly. Furthermore, thepower line 822 is liable to be entangled into theimpeller 83 during operation of the heat-dissipatingfan 80, for thepower line 822 winds through a considerable distance in thecompartment 811 of thehousing 81. Furthermore, theconnection port 821 of thestator seat 82 is located below thepermanent magnet 831 of theimpeller 83, such that a spacing D must be preserved between a bottom edge of thepermanent magnet 831 and thestator seat 82 for receiving thepower line 822 and theconnection port 821, such as a welding point, for the purposes of assuring smooth rotation of theimpeller 83. However, the spacing D causes a limitation to the reduction in the overall axial height of the heat-dissipatingfan 80. As a result, it is difficult to achieve light, compact design of the heat-dissipatingfan 80. -
FIG. 4 shows a further conventional heat-dissipatingfan 90 including abase 91 having a peripheral wall. Ablock 92 is mounted in a wire-guidingchannel 911 formed in a corner of the peripheral wall. Apower line 93 of the heat-dissipatingfan 90 winds through a distance in thebase 91 to a position aligned with the wire-guidingchannel 911 and then exits thebase 91 via the wire-guidingchannel 911 for connection with an external power source. Theblock 92 presses against and, thus, positions thepower line 93. Although the wire-guidingchannel 911 is formed in the corner of thebase 91 to shorten the winding distance of thepower line 93 in thebase 91, the connection port of the stator of the heat-dissipatingfan 90 for driving animpeller 94 does not face the wire-guidingchannel 911. Thus, thepower line 93 still has to winds through the distance in thebase 91 before thepower line 93 reaches the wire-guidingchannel 911, increasing difficulties in winding thepower line 93 and leading to inconvenience to assembly. - Thus, a need exists for a heat-dissipating fan allowing easy assembly of a power line.
- An objective of the present invention is to provide a heat-dissipating fan avoiding difficulties and inconvenience in the assembly of the power line.
- Another objective of the present invention is to provide a heat-dissipating fan with a reduced axial height.
- The objective of the present invention is achieved with the heat-dissipating fan according to
claim 1. - In an aspect, a heat-dissipating fan according to the preferred teachings of the present invention includes a housing having a peripheral wall defining a compartment. A shaft seat is provided in the compartment. The peripheral wall includes a wire-guiding slot in communication with the compartment. A base is coupled to the housing. The base includes a layout board and a drive circuit board electrically connected to the layout board. The layout board includes a coil unit, and the drive circuit board includes a connection port electrically connected to the coil unit. The coil unit is formed on a face of the base by layout. The connection port faces and is adjacent to the wire-guiding slot of the housing. A power line includes a first end connected to the connection port and a second end extending through the wire-guiding slot. An impeller includes a hub, a shaft mounted to the hub, and a permanent magnet mounted to the hub. The shaft is coupled to the shaft seat. The permanent magnet faces the coil unit. The connection port is located on a reference line passing through the shaft seat and the wire-guiding slot. By such an arrangement, the connection port is adjacent to the wire-guiding slot and away from the rotational area of the impeller, enhancing the assembling convenience of the power line, preventing the power line from being entangled into the impeller, and reducing the axial height of the heat-dissipating fan.
- In preferred forms, a positioning member is engaged in the wire-guiding slot. The wire-guiding slot includes a first pressing surface. The positioning member includes a second pressing surface. The power line is clamped between the first and second pressing surfaces, reliably positioning the power line. The first pressing surface of the wire-guiding slot includes a first stepped portion, and the second pressing surface of the positioning member includes a second stepped portion facing and engaged with the first stepped portion, preventing the power line from being pulled off the power connection port. The wire-guiding slot is located in a corner of the peripheral wall of the housing. The housing includes a bottom wall formed inside the peripheral wall and defining the compartment. A plurality of catches is formed on the bottom wall and located in the compartment. The base is mounted in the compartment and abuts the bottom wall. The catches engage with an outer periphery of the base. The coil unit is formed on a face of the base by layout to shorten an axial length of the base.
- The present invention will become clearer in light of the following detailed description of illustrative embodiments of this invention described in connection with the drawings.
- The illustrative embodiments may best be described by reference to the accompanying drawings where:
-
FIG. 1 shows a bottom view of a conventional heat-dissipating fan. -
FIG. 2 shows an exploded, perspective view of another conventional heat-dissipating fan. -
FIG. 3 shows a cross sectional view of the heat-dissipating fan ofFIG. 2 . -
FIG. 4 shows an exploded, perspective view of a further conventional heat-dissipating fan. -
FIG. 5 shows an exploded, perspective view of a heat-dissipating fan of a first embodiment according to the preferred teachings of the present invention. -
FIG. 6 shows a top view of the heat-dissipating fan ofFIG. 5 . -
FIG. 7 shows an exploded, perspective view of a heat-dissipating fan of a second embodiment according to the preferred teachings of the present invention. -
FIG. 8 shows a top view of the heat-dissipating fan ofFIG. 7 . -
FIG. 9 shows a cross sectional view of the heat-dissipating fan ofFIG. 7 . -
FIG. 10 shows an exploded, perspective view of a heat-dissipating fan of a third embodiment according to the preferred teachings of the present invention. -
FIG. 11 shows a top view of the heat-dissipating fan ofFIG. 10 . -
FIG. 12 shows an exploded, perspective view of a heat-dissipating fan of a fourth embodiment according to the preferred teachings of the present invention. -
FIG. 13 shows a top view of the heat-dissipating fan ofFIG. 12 . -
FIG. 14 shows an enlarged, partial, cross sectional view illustrating positioning of a power line by a positioning member of a heat-dissipating fan according to the preferred teachings of the present invention. - All figures are drawn for ease of explanation of the basic teachings of the present invention only; the extensions of the figures with respect to number, position, relationship, and dimensions of the parts to form the preferred embodiments will be explained or will be within the skill of the art after the following teachings of the present invention have been read and understood. Further, the exact dimensions and dimensional proportions to conform to specific force, weight, strength, and similar requirements will likewise be within the skill of the art after the following teachings of the present invention have been read and understood.
- Where used in the various figures of the drawings, the same numerals designate the same or similar parts. Furthermore, when the terms "first", "second", "third", "inner", "outer", "end", "radial", "axial", "height", and similar terms are used herein, it should be understood that these terms have reference only to the structure shown in the drawings as it would appear to a person viewing the drawings and are utilized only to facilitate describing the invention.
- A heat-dissipating fan of a first embodiment according to the preferred teachings of the present invention is shown in
FIGS. 5 and6 and designated 1. The heating-dissipatingfan 1 includes ahousing 10, abase 20, apower line 30, and animpeller 40. Thehousing 10 includes aperipheral wall 11 defining acompartment 12. Ashaft seat 13 is provided in thecompartment 12. Thehousing 10 further includes anair inlet 14 and anair outlet 15 both in communication with thecompartment 12. Thehousing 10 shown inFIGS. 5 and6 is of a type for a blower fan. However, thehousing 10 can be of a type for an axial flow fan. Theperipheral wall 11 includes a wire-guidingslot 16 in communication with thecompartment 12. Preferably, the wire-guidingslot 16 is located in a corner of theperipheral wall 11 of thehousing 10. A reference line L passes through theshaft seat 13 and the wire-guidingslot 16. Thehousing 10 further includes abottom wall 111 formed inside theperipheral wall 11 and defining thecompartment 12. A plurality ofcatches 112 is formed on thebottom wall 111 and located in thecompartment 12. - The
base 20 is mounted in thecompartment 12 and preferably coupled to theshaft seat 13. Thebase 20 abuts thebottom wall 111, and thecatches 112 engage with an outer periphery of the base 20 to fix the base 20 in place. Thebase 20 includes acoil unit 21 and aconnection port 22 electrically connected to thecoil unit 21. Preferably, thecoil unit 21 is formed on a face of the base 20 by layout or other suitable provisions to reduce an axial height of thebase 20. Preferably, theconnection port 22 includes one or more connections. Theconnection port 22 faces the wire-guidingslot 16 of thehousing 10. Furthermore, theconnection port 22 is located on the reference line L. Namely, theshaft seat 13, the wire-guidingslot 16, and theconnection port 22 are located on the reference line L, shortening the distance between theconnection port 22 and the wire-guidingslot 16. - An end of the
power line 30 is connected to theconnection port 22 of thebase 20. The other end of thepower line 30 is extended beyond thehousing 10 via the wire-guidingslot 16 for connection with an external power source. Thus, thepower line 30 can supply electric current to thecoil unit 21 of thebase 20 for driving theimpeller 40. A positioningmember 17 is engaged in the wire-guidingslot 16. In the preferred form shown inFIGS. 5 and6 , the wire-guidingslot 16 includes a firstpressing surface 161, and the positioningmember 17 includes a secondpressing surface 171. After thepower line 30 is extended through the wire-guidingslot 16, the positioningmember 17 is engaged in the wire-guidingslot 16 so that thepower line 30 is clamped between the first and secondpressing surfaces power line 30. Thus, undesired disengagement of the end of thepower line 30 from theconnection port 22 is avoided. In a preferred form shown inFIG. 14 , the firstpressing surface 161 of the wire-guidingslot 16 includes a first stepped portion 162, and the secondpressing surface 171 of the positioningmember 17 includes a second stepped portion 172 engaged with the first stepped portion 162. Thus, when thepower line 30 is clamped between the first and secondpressing surfaces power line 30 has a bend at the first and second stepped portions 162 and 172 to provide an anti-pulling effect. Thus, disengagement of the end of thepower line 30 from theconnection port 22 resulting from pulling thepower line 30 can be avoided. Thepower line 30 can be fixed in the wire-guidingslot 16 such as by glue or fasteners without using thepositioning member 17. - The
impeller 40 includes ahub 41. Ashaft 411 and apermanent magnet 412 are mounted to thehub 41. Theshaft 411 is coupled to theshaft seat 13, so that theimpeller 40 is rotatable in thecompartment 12 of thehousing 10 about an axis. Thepermanent magnet 412 is aligned with thecoil unit 21. - In use, the
coil unit 21 interacts with thepermanent magnet 412 to drive theimpeller 40 to rotate. Air currents are driven by theimpeller 40 into thecompartment 12 via theair inlet 14 and then exit thehousing 10 via theair outlet 15 to proceed with heat dissipation. Thus, the heat-dissipatingfan 1 according to the preferred teachings of the present invention can be mounted in differing electronic devices or equipment and provide desired heat-dissipating effect. - Since the
connection port 22 faces the wire-guidingslot 16 of thehousing 10 and since theconnection port 22 is located on the reference line L, theconnection port 22 is close to the wire-guidingslot 16. Namely, the distance between theconnection port 22 and the wire-guidingslot 16 can be shortened. After the end of thepower line 30 is connected to theconnection port 22, the other end of thepower line 30 can extend beyond thehousing 10 directly through the wire-guidingslot 16 without the need of winding thepower line 30 inside thehousing 10. Thus, thepower line 30 can be straight extended through the wire-guidingslot 16, enhancing assembling convenience and reliably preventing thepower line 30 from being entangled into theimpeller 40 during operation of the heat-dissipatingfan 1 according to the preferred teachings of the present invention. -
FIGS. 7-9 show a heat-dissipatingfan 2 of a second embodiment according to the preferred teachings of the present invention. The heat-dissipatingfan 2 includes ahousing 10, abase 20a, apower line 30, and animpeller 40. Thehousing 10, thepower line 30, and theimpeller 40 of the second embodiment are substantially the same as those of the first embodiment and, thus, not described in detail to avoid redundancy. - The
base 20a includes acoil unit 21 and aconnection port 22 electrically connected to thecoil unit 21. Theconnection port 22 is located outside of a rotational area of thepermanent magnet 412. Specifically, theconnection port 22 is intermediate an outer periphery of thepermanent magnet 412 and an inner peripheral face of theperipheral wall 11 of thehousing 10. - Since the
connection port 22 faces the wire-guidingslot 16 of thehousing 10 and since theconnection port 22 is located on the reference line L, the assembling convenience of thepower line 30 is enhanced. Furthermore, thepower line 30 is prevented from being entangled into theimpeller 40 during operation of the heat-dissipatingfan 2. Furthermore, a spacing D (FIG. 9 ) between thepermanent magnet 412 of theimpeller 40 and thebase 20a can be shortened, for theconnection port 22 and thepower line 30 are not located in the spacing D. Thus, the overall axial height of the heat-dissipatingfan 2 along the axis can be reduced, allowing light, compact design of the heat-dissipatingfan 2. -
FIGS. 10 and11 show a heat-dissipatingfan 3 of a third embodiment according to the preferred teachings of the present invention. The heat-dissipatingfan 3 includes ahousing 10, abase 20b, apower line 30, and animpeller 40. Thehousing 10, thepower line 30, and theimpeller 40 of the third embodiment are substantially the same as those of the first embodiment and, thus, not described in detail to avoid redundancy. - The
base 20b includes acoil unit 21 and aconnection port 22 electrically connected to thecoil unit 21. Specifically, anextension 23 extends radially outward from an outer periphery of the base 20b towards the wire-guidingslot 16. Theconnection port 22 is formed on a face of theextension 23. Theextension 23 and theconnection port 22 are located on the reference line L. - Since the
connection port 22 faces the wire-guidingslot 16 of thehousing 10 and since theconnection port 22 is located on the reference line L, the assembling convenience of thepower line 30 is enhanced. Furthermore, thepower line 30 is prevented from being entangled into theimpeller 40 during operation of the heat-dissipatingfan 3. Furthermore, by providing theextension 23 of thebase 20b, theconnection port 22 is located outside of the rotational area of thepermanent magnet 412 of theimpeller 40. Further, theconnection port 22 is closer to the wire-guidingslot 16, so that straight insertion of the other end of thepower line 30 through the wire-guidingslot 16 is easier, further enhancing the assembling convenience of thepower line 30. -
FIGS. 12 and13 show a heat-dissipatingfan 4 of a fourth embodiment according to the preferred teachings of the present invention. The heat-dissipatingfan 4 includes ahousing 10, abase 20c, apower line 30, and animpeller 40. Thehousing 10, thepower line 30, and theimpeller 40 of the fourth embodiment are substantially the same as those of the first embodiment and, thus, not described in detail to avoid redundancy. - The
base 20c includes acoil unit 21 and aconnection port 22 electrically connected to thecoil unit 21. Specifically, thebase 20c includes alayout board 24 and adrive circuit board 25 electrically connected to thelayout board 24. Theconnection port 22 is formed on a face of thedrive circuit board 25. Theconnection port 22 is located on the reference line L. Furthermore, theconnection port 22 is adjacent to and faces the wire-guidingslot 16. Thedrive circuit board 25 can include a drive circuit consisting of a plurality of electric elements. Thedrive circuit board 25 can activate thecoil unit 21 to drive theimpeller 40 to rotate. - Since the
connection port 22 faces the wire-guidingslot 16 of thehousing 10 and since theconnection port 22 is located on the reference line L, the assembling convenience of thepower line 30 is enhanced. Furthermore, theconnection port 22 is adjacent to the wire-guidingslot 16 due to provision of thedrive circuit board 25, further enhancing the assembling convenience of thepower line 30. Furthermore, the electric elements on thedrive circuit board 25 are located outside of the rotational area of thepermanent magnet 412 of theimpeller 40, so that thepower line 30 is far away from the rotational area of theimpeller 40. Further, theconnection port 22 is closer to the wire-guidingslot 16, so that straight insertion of the other end of thepower line 30 through the wire-guidingslot 16 is easier, further enhancing the assembling convenience of thepower line 30. The overall axial height of the heat-dissipatingfan 4 along the axis can be reduced while preventing thepower line 30 from being entangled into theimpeller 40 during operation of the heat-dissipatingfan 4. - In the preferred forms shown in
FIGS. 5-14 , alid 18 having an air-guiding opening is mounted to thehousing 10 for smoothly guiding air currents into thecompartment 12 of thehousing 10. - Thus since the invention disclosed herein may be embodied in other specific forms without departing from the spirit or general characteristics thereof, some of which forms have been indicated, the embodiments described herein are to be considered in all respects illustrative and not restrictive. The scope of the invention is to be indicated by the appended claims, rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are intended to be embraced therein.
Claims (1)
- A heat-dissipating fan (4) comprising, in combination:a housing (10), a base (20c), a power line (30) and an impeller (40),the housing (10) includes a peripheral wall (11) defining a compartment (12), with a shaft seat (13) provided in the compartment (12), with the peripheral wall (11) including a wire-guiding slot (16) in communication with the compartment (12),the base (20c) is coupled to the housing (10) and includes a coil unit (21),the power line (30) includes a second end extending through the wire-guiding slot (16), andthe impeller (40) includes a hub (41), a shaft (411) mounted to the hub (41), and a permanent magnet (412) mounted to the hub (41), with the shaft (411) coupled to the shaft seat (13), with the permanent magnet (412) facing the coil unit (21),wherein the heat-dissipating fan (1, 2) is characterized in that the base (20c) further includes a layout board (24) and a drive circuit board (25) electrically connected to the layout board (24), with the layout board (24) including the coil unit (21), with the drive circuit board (25) including a connection port (22) electrically connected to the coil unit (21), with the connection port (22) facing and adjacent to the wire-guiding slot (16) of the housing (10), with the power line (30) including a first end connected to the connection port (22) located on a reference line (L) passing through the shaft seat (13) and the wire-guiding slot (16), with the coil unit (21) formed on a face of the base (20c) by layout.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11005839.3A EP2383472B1 (en) | 2009-08-10 | 2009-08-10 | Heat-dissipating fan |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09010289A EP2295814B1 (en) | 2009-08-10 | 2009-08-10 | Heat-dissipating fan |
EP11005839.3A EP2383472B1 (en) | 2009-08-10 | 2009-08-10 | Heat-dissipating fan |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09010289.8 Division | 2009-08-10 | ||
EP09010289A Division EP2295814B1 (en) | 2009-08-10 | 2009-08-10 | Heat-dissipating fan |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2383472A1 true EP2383472A1 (en) | 2011-11-02 |
EP2383472B1 EP2383472B1 (en) | 2015-10-07 |
Family
ID=41279378
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09010289A Active EP2295814B1 (en) | 2009-08-10 | 2009-08-10 | Heat-dissipating fan |
EP11005839.3A Active EP2383472B1 (en) | 2009-08-10 | 2009-08-10 | Heat-dissipating fan |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09010289A Active EP2295814B1 (en) | 2009-08-10 | 2009-08-10 | Heat-dissipating fan |
Country Status (2)
Country | Link |
---|---|
EP (2) | EP2295814B1 (en) |
AT (1) | ATE550551T1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017104076A1 (en) | 2016-02-26 | 2017-08-31 | Kongsberg Automotive Inc. | Blower unit for a vehicle seat |
CN111278264B (en) * | 2020-03-24 | 2022-05-13 | Oppo广东移动通信有限公司 | Heat dissipation assembly of electronic equipment and electronic equipment |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5895969A (en) * | 1981-12-03 | 1983-06-07 | Canon Inc | Motor using printed board |
US4658162A (en) * | 1984-07-23 | 1987-04-14 | Asahi Kasei Kogyo Kabushiki Kaisha | Printed coil unit for small size actuator |
DE29615089U1 (en) * | 1996-08-29 | 1996-10-17 | Lee Richard | Brushless DC fan |
DE19859079A1 (en) * | 1998-12-02 | 2000-06-29 | Sunonwealth Electr Mach Ind Co | Miniature electric heat extraction fan e.g. for notebook computer, has flat housing containing fan wheel with fan blades projecting into central air intake provided by housing cover plate |
US6351044B1 (en) * | 1998-01-22 | 2002-02-26 | Matsushita Electric Industrial Co., Ltd. | Cooling apparatus for an electronic device integrally formed with a circuit board |
US20020024264A1 (en) * | 2000-06-21 | 2002-02-28 | Minebea Co., Ltd. | Blower |
US6375418B1 (en) * | 1999-11-29 | 2002-04-23 | Sanyo Denki Co., Ltd. | Heat sink-equipped cooling apparatus |
US20030063974A1 (en) * | 2001-10-01 | 2003-04-03 | Hsieh Hsin-Mao | Blade for a cooling fan |
US20080152489A1 (en) * | 2006-12-26 | 2008-06-26 | Sunonwealth Electric Machine Industry Co., Ltd. | Heat dissipating fan with wire retaining device |
-
2009
- 2009-08-10 EP EP09010289A patent/EP2295814B1/en active Active
- 2009-08-10 AT AT09010289T patent/ATE550551T1/en active
- 2009-08-10 EP EP11005839.3A patent/EP2383472B1/en active Active
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5895969A (en) * | 1981-12-03 | 1983-06-07 | Canon Inc | Motor using printed board |
US4658162A (en) * | 1984-07-23 | 1987-04-14 | Asahi Kasei Kogyo Kabushiki Kaisha | Printed coil unit for small size actuator |
DE29615089U1 (en) * | 1996-08-29 | 1996-10-17 | Lee Richard | Brushless DC fan |
US6351044B1 (en) * | 1998-01-22 | 2002-02-26 | Matsushita Electric Industrial Co., Ltd. | Cooling apparatus for an electronic device integrally formed with a circuit board |
DE19859079A1 (en) * | 1998-12-02 | 2000-06-29 | Sunonwealth Electr Mach Ind Co | Miniature electric heat extraction fan e.g. for notebook computer, has flat housing containing fan wheel with fan blades projecting into central air intake provided by housing cover plate |
US6375418B1 (en) * | 1999-11-29 | 2002-04-23 | Sanyo Denki Co., Ltd. | Heat sink-equipped cooling apparatus |
US20020024264A1 (en) * | 2000-06-21 | 2002-02-28 | Minebea Co., Ltd. | Blower |
US20030063974A1 (en) * | 2001-10-01 | 2003-04-03 | Hsieh Hsin-Mao | Blade for a cooling fan |
US20080152489A1 (en) * | 2006-12-26 | 2008-06-26 | Sunonwealth Electric Machine Industry Co., Ltd. | Heat dissipating fan with wire retaining device |
Also Published As
Publication number | Publication date |
---|---|
EP2383472B1 (en) | 2015-10-07 |
ATE550551T1 (en) | 2012-04-15 |
EP2295814A1 (en) | 2011-03-16 |
EP2295814B1 (en) | 2012-03-21 |
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