US20150198165A1 - Electric fan - Google Patents
Electric fan Download PDFInfo
- Publication number
- US20150198165A1 US20150198165A1 US14/593,396 US201514593396A US2015198165A1 US 20150198165 A1 US20150198165 A1 US 20150198165A1 US 201514593396 A US201514593396 A US 201514593396A US 2015198165 A1 US2015198165 A1 US 2015198165A1
- Authority
- US
- United States
- Prior art keywords
- hub
- electric fan
- rotor
- impeller
- motor
- 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
Links
- 238000013016 damping Methods 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000012858 resilient material Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000013536 elastomeric material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 3
- 230000005534 acoustic noise Effects 0.000 description 2
- 208000032822 Ring chromosome 11 syndrome Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004636 vulcanized rubber Substances 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D19/00—Axial-flow pumps
- F04D19/002—Axial flow fans
-
- 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
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/325—Rotors specially for elastic fluids for axial flow pumps for axial flow fans
- F04D29/329—Details of the hub
-
- 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
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
Definitions
- This invention relates to an electric fan and in particular, to a cooling fan for a heat exchanger of a motor vehicle.
- an electric fan of the type comprising: an electric motor, including a rotor and a stator, and an axial impeller, including a central hub from which a plurality of blades extends, the huh being connected to the rotor of the motor at one or more connecting points or areas.
- the electric motor of an electric fan of this type generates considerable vibration, which is transmitted to the impeller and causes the generation of acoustic noise which is rather annoying to the human ear, particularly at low speeds.
- the present invention provides an electric fan, for a heat exchanger of a motor vehicle, comprising: an electric motor including a rotor and a stator; and an axial impeller including a central huh from which a plurality of blades extends, the hub being connected to the rotor of said motor at one or more connecting points or areas, wherein at these one or more connecting points or areas, the hub of the impeller is connected to the rotor of the electric motor by means of a respective connecting device including a resilient vibration damper.
- the hub of the impeller has a substantially bowl-like shape, with an end wall connected to an annular lateral wall which is at least approximately cylindrical, and wherein the rotor of the electric motor has a crown which extends inside the hub of the impeller, near the end wall of said hub, to which it is connected by means of a plurality of said connecting devices including respective resilient vibration dampers.
- each of these one or more connecting devices comprises an annular damping member of resilient material, positioned in a through opening of the hub and penetrated by a fastening member for fastening the hub to the rotor of the motor.
- the resilient material is an elastomeric material.
- a tubular element of essentially rigid material is interposed between each damping member and the corresponding fastening member.
- the tubular element is of a metallic material.
- the fastening member is a screw or bolt having an end head
- said rigid tubular element has at one end a flange-like formation interposed between the head of the corresponding screw or bolt and said damping member.
- the or each resilient vibration damper is in the form of a cylindrical ring, and has an outer peripheral groove that engages with an edge of said through opening of the hub of the impeller.
- FIG. 1 is a perspective front elevation view of an electric cooling fan according to the invention
- FIG. 2 is a partial, perspective view, on an enlarged scale, which shows, in particular, the hub of the impeller of FIG. 1 ;
- FIG. 3 is a partial sectional view taken along line III-III of FIG. 2 .
- an electric fan according to the present invention is indicated as a whole by 1 .
- the electric fan 1 comprises, in a known way, a substantially plate-like supporting structure or cowl 2 , having a main circular opening 3 in which an impeller, indicated as a whole by 4 , is rotatably mounted.
- the impeller 4 is connected to the rotor 8 of an electric motor which is not visible in FIGS. 1 and 2 , but is partially illustrated in FIG. 3 , where it is indicated as a whole by 5 .
- the electric motor 5 comprises a stator 6 , fastened in a known way to the supporting structure or cowl 2 , for example by means of a plurality of spokes 7 as shown in FIG. 1 .
- the electric motor 5 also comprises a rotor 8 , including an axial end surface or crown.
- the impeller 4 comprises a central hub 9 from which a plurality of curved blades 10 extends, the outermost ends of which are joined to a peripheral ring 11 ( FIG. 1 ).
- the hub 9 of the impeller 4 is connected to the rotor 8 of the electric motor 5 at one or more connecting points or areas.
- the hub 9 is connected to the crown of the rotor 8 of the motor 5 at three connecting points or areas, indicated by 12 , located at the same distance d from the axis X-X of the impeller ( FIG. 3 ).
- the hub 9 of the impeller 4 has a substantially bowl-like shape, with an end wall 9 a connected to an annular lateral wall 9 b which is at least approximately cylindrical.
- the crown of the rotor 8 of the electric motor 5 extends inside the hub 9 , near the end wall 9 a of the latter, to which it is connected at the aforesaid three connecting points or areas 12 by means of devices 13 including respective resilient vibration dampers, which are described more fully below.
- each connecting device 13 comprises an annular damping member 14 made of resilient material, preferably an elastomeric material (vulcanized rubber).
- the damping member 13 is positioned in a through opening 9 c of the end wall 9 a of the hub 9 of the impeller.
- the damping member 14 essentially takes the form of a cylindrical ring, and in its axially intermediate part it has an outer peripheral groove 14 a in which the edge of the through opening 9 c of the hub 9 of the impeller 4 is engaged.
- the damping member 14 is penetrated by a corresponding member 15 for fastening the impeller to the rotor crown 8 of the electric driving motor 5 .
- the fastening member 15 is, for example, a screw or a bolt, having an end head 15 a .
- a tubular element 16 of essentially rigid material for example a metallic material.
- the rigid tubular element 16 conveniently has a flange-like end formation 16 a, interposed between the head 15 a of the screw or bolt 15 and the adjacent end of the annular damping member 14 .
- the threaded shank of the screw or bolt 15 engages in a correspondingly threaded opening in the crown of the rotor 8 .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
An electric fan, for cooling a heat exchanger of a motor vehicle, has an electric motor including a rotor and a stator, and an axial impeller including a central hub from which a plurality of blades extends. The hub is connected to the rotor at a number of connecting points. At each connecting point, the hub of the impeller is connected to the rotor by means of a respective connecting device including a resilient vibration damper.
Description
- This non-provisional patent application claims priority under 35 U.S.C. §119(a) from Utility Model Application No. TO 2014 U 000003 filed in Italy on Jan. 10, 2014, the entire contents of which are hereby incorporated by reference.
- This invention relates to an electric fan and in particular, to a cooling fan for a heat exchanger of a motor vehicle.
- More specifically, the invention proposes an electric fan of the type comprising: an electric motor, including a rotor and a stator, and an axial impeller, including a central hub from which a plurality of blades extends, the huh being connected to the rotor of the motor at one or more connecting points or areas.
- In operation, the electric motor of an electric fan of this type generates considerable vibration, which is transmitted to the impeller and causes the generation of acoustic noise which is rather annoying to the human ear, particularly at low speeds.
- Hence there is a desire for an electric fan of this type, made in such a way as to overcome the aforementioned drawback of electric fans according to the prior art.
- This is achieved by the present invention with an electric fan of the type specified above, in which, at each of the aforesaid one or more connecting points or areas, the impeller hub is connected to the rotor of the electric motor by means of a respective connecting device including a resilient vibration damper.
- Accordingly, in one aspect thereof, the present invention provides an electric fan, for a heat exchanger of a motor vehicle, comprising: an electric motor including a rotor and a stator; and an axial impeller including a central huh from which a plurality of blades extends, the hub being connected to the rotor of said motor at one or more connecting points or areas, wherein at these one or more connecting points or areas, the hub of the impeller is connected to the rotor of the electric motor by means of a respective connecting device including a resilient vibration damper.
- Preferably, the hub of the impeller has a substantially bowl-like shape, with an end wall connected to an annular lateral wall which is at least approximately cylindrical, and wherein the rotor of the electric motor has a crown which extends inside the hub of the impeller, near the end wall of said hub, to which it is connected by means of a plurality of said connecting devices including respective resilient vibration dampers.
- Preferably, each of these one or more connecting devices comprises an annular damping member of resilient material, positioned in a through opening of the hub and penetrated by a fastening member for fastening the hub to the rotor of the motor.
- Preferably, the resilient material is an elastomeric material.
- Preferably, a tubular element of essentially rigid material, is interposed between each damping member and the corresponding fastening member.
- Preferably, the tubular element is of a metallic material.
- Preferably, the fastening member is a screw or bolt having an end head, and said rigid tubular element has at one end a flange-like formation interposed between the head of the corresponding screw or bolt and said damping member.
- Preferably, the or each resilient vibration damper is in the form of a cylindrical ring, and has an outer peripheral groove that engages with an edge of said through opening of the hub of the impeller.
- A preferred embodiment of the invention will now be described, by way of example only, with reference to figures of the accompanying drawings. In the figures, identical structures, elements or parts that appear in more than one figure are generally labeled with a same reference numeral in all the figures in which they appear. Dimensions of components and features shown in the figures are generally chosen for convenience and clarity of presentation and are not necessarily shown to scale. The figures are listed below.
-
FIG. 1 is a perspective front elevation view of an electric cooling fan according to the invention; -
FIG. 2 is a partial, perspective view, on an enlarged scale, which shows, in particular, the hub of the impeller ofFIG. 1 ; and -
FIG. 3 is a partial sectional view taken along line III-III ofFIG. 2 . - In the drawings, an electric fan according to the present invention is indicated as a whole by 1. The
electric fan 1 comprises, in a known way, a substantially plate-like supporting structure orcowl 2, having a maincircular opening 3 in which an impeller, indicated as a whole by 4, is rotatably mounted. Theimpeller 4 is connected to therotor 8 of an electric motor which is not visible inFIGS. 1 and 2 , but is partially illustrated inFIG. 3 , where it is indicated as a whole by 5. - The electric motor 5 comprises a
stator 6, fastened in a known way to the supporting structure orcowl 2, for example by means of a plurality of spokes 7 as shown inFIG. 1 . The electric motor 5 also comprises arotor 8, including an axial end surface or crown. - The
impeller 4 comprises acentral hub 9 from which a plurality ofcurved blades 10 extends, the outermost ends of which are joined to a peripheral ring 11 (FIG. 1 ). Thehub 9 of theimpeller 4 is connected to therotor 8 of the electric motor 5 at one or more connecting points or areas. - In the embodiment illustrated by way of example in the drawings, the
hub 9 is connected to the crown of therotor 8 of the motor 5 at three connecting points or areas, indicated by 12, located at the same distance d from the axis X-X of the impeller (FIG. 3 ). - In the illustrated embodiment, the
hub 9 of theimpeller 4 has a substantially bowl-like shape, with anend wall 9 a connected to an annularlateral wall 9 b which is at least approximately cylindrical. The crown of therotor 8 of the electric motor 5 extends inside thehub 9, near theend wall 9 a of the latter, to which it is connected at the aforesaid three connecting points orareas 12 by means ofdevices 13 including respective resilient vibration dampers, which are described more fully below. - With particular reference to
FIG. 3 , each connectingdevice 13 comprises anannular damping member 14 made of resilient material, preferably an elastomeric material (vulcanized rubber). The dampingmember 13 is positioned in a through opening 9 c of theend wall 9 a of thehub 9 of the impeller. Thedamping member 14 essentially takes the form of a cylindrical ring, and in its axially intermediate part it has an outerperipheral groove 14 a in which the edge of the through opening 9 c of thehub 9 of theimpeller 4 is engaged. - The
damping member 14 is penetrated by acorresponding member 15 for fastening the impeller to therotor crown 8 of the electric driving motor 5. The fasteningmember 15 is, for example, a screw or a bolt, having an end head 15 a. Between theannular damping member 14 and the screw orbolt 15 there is interposed a tubular element 16 of essentially rigid material, for example a metallic material. The rigid tubular element 16 conveniently has a flange-like end formation 16 a, interposed between the head 15 a of the screw orbolt 15 and the adjacent end of theannular damping member 14. - The threaded shank of the screw or
bolt 15 engages in a correspondingly threaded opening in the crown of therotor 8. - Tests conducted by the applicant have demonstrated that the use of the solution according to the present invention provides a noticeable reduction, of the order of 10 dBA or more, in the acoustic noise generated, particularly in the range from about 100 Hz to 1 kHz.
- In the description and claims of the present application, each of the verbs “comprise”, “include”, “contain” and “have”, and variations thereof, are used in an inclusive sense, to specify the presence of the stated item or feature but do not preclude the presence of additional items or features.
- It is appreciated that certain features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, various features of the invention which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable sub-combination.
- The embodiments described above are provided by way of example only, and various other modifications will be apparent to persons skilled in the field without departing from the scope of the invention as defined by the appended claims.
Claims (8)
1. Electric fan, for a heat exchanger of a motor vehicle, comprising:
an electric motor including a rotor and a stator; and
an axial impeller including a central hub from which a plurality of blades extends, the hub being connected to the rotor of said motor at one or more connecting points or areas,
wherein at these one or more connecting points or areas, the hub of the impeller is connected to the rotor of the electric motor by means of a respective connecting device including a resilient vibration damper.
2. The electric fan of claim 1 , wherein the hub of the impeller has a substantially bowl-like shape, with an end wall connected to an annular lateral wall which is at least approximately cylindrical, and wherein the rotor of the electric motor has a crown which extends inside the hub of the impeller, near the end wall of said hub, to which it is connected by means of a plurality of said connecting devices including respective resilient vibration dampers.
3. The electric fan of claim 1 , wherein each of these one or more connecting devices comprises an annular damping member of resilient material, positioned in a through opening of the hub and penetrated by a fastening member for fastening the hub to the rotor of the motor.
4. The electric fan of claim 3 , wherein each damping member is of elastomeric material.
5. The electric fan of claim 3 , wherein a tubular element of essentially rigid material, is interposed between the damping member and the corresponding fastening member.
6. The electric fan of claim 5 , wherein the tubular element is of a metallic material.
7. The electric fan of claim 5 , wherein said fastening member is a screw or bolt having an end head, and said rigid tubular element has at one end a flange-like formation interposed between the head of the corresponding screw or bolt and said damping member.
8. The electric fan of claim 3 , wherein the or each resilient vibration damper is in the form of a cylindrical ring, and has an outer peripheral groove that engages with an edge of said through opening of the hub of the impeller.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITTO2014U000003U ITTO20140003U1 (en) | 2014-01-10 | 2014-01-10 | ELECTROVENTILATORE OF COOLING, PARTICULARLY FOR A HEAT EXCHANGER OF A MOTOR VEHICLE |
ITTO2014U000003 | 2014-01-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20150198165A1 true US20150198165A1 (en) | 2015-07-16 |
Family
ID=53485090
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/593,396 Abandoned US20150198165A1 (en) | 2014-01-10 | 2015-01-09 | Electric fan |
Country Status (5)
Country | Link |
---|---|
US (1) | US20150198165A1 (en) |
JP (1) | JP2015132262A (en) |
CN (1) | CN104776064A (en) |
DE (1) | DE102015100130A1 (en) |
IT (1) | ITTO20140003U1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111263861A (en) * | 2017-12-01 | 2020-06-09 | 黑拉有限责任两合公司 | Vehicle component for attachment to a frame of a vehicle |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016044587A (en) * | 2014-08-22 | 2016-04-04 | パナソニックIpマネジメント株式会社 | Electric blower and vacuum cleaner using the same |
Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2987242A (en) * | 1957-10-29 | 1961-06-06 | Gen Electric | Resilient fan guard support |
US3756551A (en) * | 1971-10-27 | 1973-09-04 | Lord Corp | Anti-vibration support |
US3757914A (en) * | 1970-11-21 | 1973-09-11 | Dynair Ltd | Fan drives |
US4321011A (en) * | 1978-11-23 | 1982-03-23 | Aisin Seiki Kabushiki Kaisha | Fan assembly |
US4917573A (en) * | 1989-05-31 | 1990-04-17 | Deere & Company | Cooling fan isolation mount |
US5397206A (en) * | 1994-03-15 | 1995-03-14 | Chrysler Corporation | Vibration isolating fastener |
US5464323A (en) * | 1994-03-02 | 1995-11-07 | Hunter Fan Company | Vibration isolation system for fan blade |
US6328293B1 (en) * | 1998-09-18 | 2001-12-11 | Lord Corporation | Multi-linkage suspension system including outboard isolators |
US6328513B1 (en) * | 1999-05-19 | 2001-12-11 | Nichias Corporation | Vibration floating washer assembly and method of attaching the same to heat insulating plate |
US6384494B1 (en) * | 1999-05-07 | 2002-05-07 | Gate S.P.A. | Motor-driven fan, particularly for a motor vehicle heat exchanger |
US20030038548A1 (en) * | 2001-08-20 | 2003-02-27 | Sylvain Nadeau | Double stage engine cooling module suspension |
US6908284B2 (en) * | 2001-10-30 | 2005-06-21 | Robert Bosch Gmbh | Fan attachment with dynamic out-of-balance equalization |
US20050271527A1 (en) * | 2003-10-29 | 2005-12-08 | Yung Chen | Electrical insulation arrangements for electric fans, motor assemblies and controls therefor |
US7786629B2 (en) * | 2005-03-09 | 2010-08-31 | Mitsuba Corporation | Electric motor mounting structure |
US8727732B2 (en) * | 2009-11-18 | 2014-05-20 | Hunter Fan Company | Fan blade mounting system |
US8814519B2 (en) * | 2008-11-03 | 2014-08-26 | Robert Bosch Gmbh | Fan, method for assembling a fan wheel and device |
US9039377B2 (en) * | 2010-08-09 | 2015-05-26 | Lowe's Companies, Inc. | Fan assemblies and methods for assembling same |
US9182008B2 (en) * | 2009-05-13 | 2015-11-10 | Robert Bosch Gmbh | Adjustment device for a rotating body and rotating body |
US9291190B2 (en) * | 2010-09-06 | 2016-03-22 | Facc Ag | Fixing device |
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GB1555429A (en) * | 1976-11-15 | 1979-11-07 | Caterpillar Tractor Co | Mouting grommet |
DE102011016204A1 (en) * | 2011-04-06 | 2012-10-11 | Man Truck & Bus Ag | Drive system of engine cooling for motor vehicles |
-
2014
- 2014-01-10 IT ITTO2014U000003U patent/ITTO20140003U1/en unknown
- 2014-12-11 CN CN201410764715.4A patent/CN104776064A/en not_active Withdrawn
-
2015
- 2015-01-07 DE DE102015100130.6A patent/DE102015100130A1/en not_active Withdrawn
- 2015-01-09 JP JP2015003060A patent/JP2015132262A/en active Pending
- 2015-01-09 US US14/593,396 patent/US20150198165A1/en not_active Abandoned
Patent Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2987242A (en) * | 1957-10-29 | 1961-06-06 | Gen Electric | Resilient fan guard support |
US3757914A (en) * | 1970-11-21 | 1973-09-11 | Dynair Ltd | Fan drives |
US3756551A (en) * | 1971-10-27 | 1973-09-04 | Lord Corp | Anti-vibration support |
US4321011A (en) * | 1978-11-23 | 1982-03-23 | Aisin Seiki Kabushiki Kaisha | Fan assembly |
US4917573A (en) * | 1989-05-31 | 1990-04-17 | Deere & Company | Cooling fan isolation mount |
US5464323A (en) * | 1994-03-02 | 1995-11-07 | Hunter Fan Company | Vibration isolation system for fan blade |
US5397206A (en) * | 1994-03-15 | 1995-03-14 | Chrysler Corporation | Vibration isolating fastener |
US6328293B1 (en) * | 1998-09-18 | 2001-12-11 | Lord Corporation | Multi-linkage suspension system including outboard isolators |
US6384494B1 (en) * | 1999-05-07 | 2002-05-07 | Gate S.P.A. | Motor-driven fan, particularly for a motor vehicle heat exchanger |
US6328513B1 (en) * | 1999-05-19 | 2001-12-11 | Nichias Corporation | Vibration floating washer assembly and method of attaching the same to heat insulating plate |
US20030038548A1 (en) * | 2001-08-20 | 2003-02-27 | Sylvain Nadeau | Double stage engine cooling module suspension |
US6908284B2 (en) * | 2001-10-30 | 2005-06-21 | Robert Bosch Gmbh | Fan attachment with dynamic out-of-balance equalization |
US20050271527A1 (en) * | 2003-10-29 | 2005-12-08 | Yung Chen | Electrical insulation arrangements for electric fans, motor assemblies and controls therefor |
US7786629B2 (en) * | 2005-03-09 | 2010-08-31 | Mitsuba Corporation | Electric motor mounting structure |
US8814519B2 (en) * | 2008-11-03 | 2014-08-26 | Robert Bosch Gmbh | Fan, method for assembling a fan wheel and device |
US9182008B2 (en) * | 2009-05-13 | 2015-11-10 | Robert Bosch Gmbh | Adjustment device for a rotating body and rotating body |
US8727732B2 (en) * | 2009-11-18 | 2014-05-20 | Hunter Fan Company | Fan blade mounting system |
US9039377B2 (en) * | 2010-08-09 | 2015-05-26 | Lowe's Companies, Inc. | Fan assemblies and methods for assembling same |
US9291190B2 (en) * | 2010-09-06 | 2016-03-22 | Facc Ag | Fixing device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111263861A (en) * | 2017-12-01 | 2020-06-09 | 黑拉有限责任两合公司 | Vehicle component for attachment to a frame of a vehicle |
Also Published As
Publication number | Publication date |
---|---|
ITTO20140003U1 (en) | 2015-07-10 |
CN104776064A (en) | 2015-07-15 |
DE102015100130A1 (en) | 2015-07-16 |
JP2015132262A (en) | 2015-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: JOHNSON ELECTRIC S.A., SWITZERLAND Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:GABBIN, GIULIANO;PROCOPIO, ERMANNO;REEL/FRAME:034735/0973 Effective date: 20141204 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |