CN105811660A - Rotating device - Google Patents
Rotating device Download PDFInfo
- Publication number
- CN105811660A CN105811660A CN201510623453.4A CN201510623453A CN105811660A CN 105811660 A CN105811660 A CN 105811660A CN 201510623453 A CN201510623453 A CN 201510623453A CN 105811660 A CN105811660 A CN 105811660A
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- China
- Prior art keywords
- load
- fan
- rotary apparatus
- rake
- cylindrical portion
- 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.)
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Classifications
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- 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
- F04D29/68—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers
- F04D29/681—Combating cavitation, whirls, noise, vibration or the like; Balancing by influencing boundary layers especially adapted for elastic fluid pumps
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- 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
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
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- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
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- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention provides a rotating device which is capable of improving cooling performance while suppressing increasement of aerodynamic noise and airflow loss. The rotating device (10) includes a motor shaft (18), a fan (14) disposed at a side end portion, opposite to a load, of the motor shaft (18), and a fan cover (16) covering the fan (14). The fan cover (16) includes a cylindrical portion (42) and an inclined portion (44) that cover a radial outer side of the fan (14), a lid portion (46) sealing a side end portion, opposite to the load, of the inclinded portion (44), and an air inlet (50) provided at the lid portion (46). A load side end portion of the cylindrical portion (42) has an opening to a motor (12) side. The fan cover (16) has an auxiliary air inlet (52) at the cylindrical portion (42), and at least a part of the auxiliary air inlet (52) is located nearer to the load side than the fan (14).
Description
The application advocates the priority of the Japanese patent application the 2015-008727th based on application on January 20th, 2015.The full content of this Japanese publication is by with reference to being applied in this specification.
Technical field
The present invention relates to a kind of rotary apparatus.
Background technology
Known have a kind of rotary apparatus being provided with fan on the rotary shaft.In this rotary apparatus, blown to rotary apparatus main body by fan, thus cooling turn gear main body.Proposed there is the rotary apparatus recorded in such as patent documentation 1 in the past.
Patent documentation 1: Japanese Unexamined Patent Publication 2010-206991 publication
In order to make the equipment miniaturization etc. needing to install rotary apparatus, also require that rotary apparatus miniaturization.If making rotary apparatus miniaturization, then area of dissipation reduces, and therefore cooling performance can reduce.
Method as the cooling performance improving the rotary apparatus possessing fan, it may be considered that add the blade of big fan or increase the blade quantity of fan.But, if generally strengthening fan blade or increasing the blade quantity of fan, then aerodynamic noise becomes big.Further, windage loss also can become big.
Summary of the invention
The present invention completes in light of this situation, its object is to provide a kind of increase that can suppress aerodynamic noise and windage loss meanwhile, it is capable to improve cooling performance rotary apparatus.
In order to solve the problems referred to above, the rotary apparatus of one embodiment of the present invention possesses rotating shaft, is arranged on the fan of a side end contrary with load of rotating shaft and covers the fan guard of fan, wherein, fan guard has the cylindrical portion of the radial outside covering fan, closes the cap of a side end contrary with load of cylindrical portion and be arranged on the air inlet of cap, and the load-side end of cylindrical portion is to rotary apparatus main body side opening, fan guard has auxilairy air intake in cylindrical portion, remaining at least partially within than fan more by load-side of auxilairy air intake.
According to which, except being arranged on the air inlet of the cap of fan, air also flows in fan guard from the auxilairy air intake being arranged on the cylindrical portion covering fan radial outside.Thus, flowing into the air capacity in fan guard increases, and increases from fan guard supply to the air capacity of rotary apparatus main body side.
It addition, the mode that the combination in any of above constitutive requirements or the constitutive requirements of the present invention or the mode of phase double replacement between method, device, system etc. of showing also serve as the present invention is effective.
In accordance with the invention it is possible to suppress aerodynamic noise and windage loss increase meanwhile, it is capable to improve cooling performance.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the rotary apparatus involved by embodiment.
Fig. 2 is the longitudinal section of the rotary apparatus of Fig. 1.
Fig. 3 is the amplification view of the fan of enlarged representation Fig. 2 and fan guard periphery.
Fig. 4 is the amplification view of the fan of the rotary apparatus involved by the variation of enlarged representation embodiment and fan guard periphery.
In figure: 10-rotary apparatus, 12-motor, 14-fan, 16-fan guard, 18-motor drive shaft, 42-cylindrical portion, 44-rake, 46-cap, 50-air inlet, 52-auxilairy air intake.
Detailed description of the invention
Hereinafter, to the identical or equal constitutive requirements shown in each accompanying drawing, parts, mark identical symbol, suitably omit repeat specification.Further, in order to make it easy to understand, suitably amplify, reduce the size of the parts represented in each accompanying drawing.Further, in the drawings, the part represented parts unessential in the explanation of embodiment is omitted.
Fig. 1 is the axonometric chart of the rotary apparatus 10 involved by embodiment.Fig. 2 is the longitudinal section of rotary apparatus 10.Rotary apparatus 10 possess to outside provide power motor 12, for cool down motor 12 fan 14 and cover fan 14 fan guard 16.
Motor 12 possesses motor drive shaft 18, motor frame 20, motor radiating sheet the 22, the 1st bearing the 24, the 2nd bearing 26, stator core 28, stator winding 30, rotor core 32 and conductor 34.
Motor frame 20 includes housing the 36, the 1st support the 38, the 2nd support 40.Housing 36 is formed as cylindric.1st support 38 is incorporated into a side end contrary with load of housing 36, and is rotatably supported by motor drive shaft 18 via the 1st bearing 24.2nd support 40 is incorporated into the load-side end of housing 36, and is rotatably supported by motor drive shaft 18 via the 2nd bearing 26.
Stator core 28, stator winding 30, rotor core 32 and conductor 34 is accommodated in motor frame 20.Motor frame 20 is such as die casting aluminum, cast iron system or steel plate system, the weight of supporting stator core 28, stator winding 30, rotor core 32 and conductor 34, and the heat that stator core 28, stator winding 30, rotor core 32 and conductor 34 send is discharged into outside.
Motor radiating sheet 22 is arranged at the periphery of housing 36.Motor radiating sheet 22 is especially arranged on the periphery of housing 36 along the bearing of trend of motor drive shaft 18 (namely axial) in the way of extending.Motor radiating sheet 22 can form as one with housing 36, it is also possible to is incorporated into housing 36 after independently forming.By this fin, it is possible to increase the heat dispersion of motor frame 20.
Stator core 28 is fixed on the inner peripheral surface 36a of housing 36.Formed on multiple grooves of stator core 28, be wound with stator winding 30.Rotor core 32 is fixed on motor drive shaft 18.The multiple groove top castings being formed at rotor core 32 have the conductor 34 of such as aluminum.
The side contrary with load of motor drive shaft 18 highlights from the 1st support 38.A side end contrary with load at this protuberance is fixed with fan 14.Fan 14 and motor drive shaft 18 rotate together with.Fan guard 16 is shaped generally as the regulation shape of cup-shaped, and is fixed on motor frame 20 towards the state of motor 12 side with opening.Fan 14 is covered by this fan guard 16.
Fig. 3 is the amplification view of the periphery of the fan 14 of enlarged representation Fig. 2 and fan guard 16.With reference to Fig. 3 and Fig. 1, fan 14 and fan guard 16 are described in more detail.Fan guard 16 includes cylindrical portion 42, rake 44, cap 46 and multiple guide member 48.Cylindrical portion 42 is formed as the cylindrical shape with the diameter roughly the same with housing 36, and it covers the radial outside of fan 14.It addition, cylindrical portion 42 can also be formed as square tube shape or other shapes.Cylindrical portion 42 is formed the multiple auxilairy air intakes 52 circumferentially arranged.
Each auxilairy air intake 52 is formed as it and remains at least partially within than fan 14 more by load-side (in Fig. 3 left side).In other words, from when radially observing, it is at least some of not overlapping with fan 14 that each auxilairy air intake 52 is formed as it.In the embodiment shown in Fig. 3, each auxilairy air intake 52 is formed as it and is integrally located at than fan 14 more by load-side.In other words, in the embodiment shown in Fig. 3, from when radially observing, it is not overlapping with fan 14 that each auxilairy air intake 52 is formed as its entirety.About the shape of each auxilairy air intake 52, size and number, it is possible to be set as by experiment being capable of the shape of high cooling performance, size and number.In the present embodiment, auxilairy air intake 52 is rectangular impenetrating mouth, and is provided with 8 in the circumferential.Further, the shape of each auxilairy air intake 52 and size can also be different.
Rake 44 is arranged on the side contrary with load of cylindrical portion 42.Rake 44 is formed as along with from load-side towards the tubular of the side undergauge contrary with load.More specifically, rake 44 is formed as the diameter of inner circumferential surface 44a along with diminishing from load-side towards the side contrary with load.In other words, when the longitudinal section shown in Fig. 3 is observed, rake 44 is by along with tilting relative to motor drive shaft 18 in the way of motor drive shaft 18 from load-side towards the side contrary with load.
Cap 46 is arranged on the side contrary with load of rake 44.Cap 46 is formed as discoideus, closes a side end contrary with load of rake 44.Cap 46 is formed through hole (i.e. multiple air inlets 50).If fan 14 rotates, then extraneous air sucks in fan guard 16 from each air inlet 50.
Guide member 48 is arranged in the way of corresponding with auxilairy air intake 52, and to cover the radial outside of auxilairy air intake 52 in the way of a side opening contrary with load.Specifically, guide member 48 includes rake 54 and parallel portion 56.Rake 54 is by along with tilting relative to motor drive shaft 18 in the way of cylindrical portion 42 from the side contrary with load towards load-side.The load-side end of rake 54 is incorporated into cylindrical portion 42.Parallel portion 56 is formed as and being connected with the side that load is contrary and extend in the way of parallel with cylindrical portion 42 of rake 54.In embodiments, from when radially observing, guide member 48 is formed as not overlapping with cylindrical portion 42.In other words, from when radially observing, whole guide member 48 is overlapping with auxilairy air intake 52.
Fan 14 is radial fan, and it includes being fixed on the cylindrical portion 60 of motor drive shaft 18, the multiple supports 61 extended from cylindrical portion 60 to radial outside and being arranged on multiple blades 62 of support 61.Each blade 62 is flat-shaped part, and its interarea is towards circumference.Each blade 62 has the opposed rake 64 opposed for inner peripheral surface 44a of the rake 44 with fan guard 16.The load-side end 66 of opposed rake 64 is positioned at than the load-side end 68 of the rake 44 of fan guard 16 more by the side contrary with load.Further, a side end 70 contrary with load of blade 62 more extends to radially inner side than the outermost end 72 of air inlet 50 radially.
The action of the rotary apparatus 10 of said structure is illustrated.In order to make motor drive shaft 18 rotate, electric current will be driven to supply to stator winding 30.By making this electric current flow through stator winding 30, produce magnetic flux along stator core 28.Torque is applied to rotor core 32, so that motor drive shaft 18 rotates by this magnetic flux.If motor drive shaft 18 rotates, then fan 14 also rotates together with motor drive shaft 18.By this rotation, extraneous air flows in fan guard 16 from the air inlet 50 of cap 46.Send to radial outside from air inlet 50 leaked-in air by fan 14 and collide with cylindrical portion 42 or rake 44, being accordingly changed into the axial stream towards load-side, and supplied to motor radiating sheet 22 by the gap 74 between cylindrical portion the 42 and the 1st support 38.Further, owing to flowing through gap 74 from air inlet 50 leaked-in air, thus the pressure in gap 74 becomes lower than the outside of fan guard 16, and thus the air outside fan guard 16 flows into gap 74 from auxilairy air intake 52.Identical with from air inlet 50 leaked-in air, from auxilairy air intake 52 leaked-in air by gap 74 the supply system motor radiating sheet 22.That is, motor radiating sheet 22 is cooled by the air from air inlet 50 and the air from auxilairy air intake 52.
Rotary apparatus 10 involved by embodiment from the description above, is formed in the cylindrical portion 42 of fan guard 16 and remains at least partially within than fan 14 more by the auxilairy air intake 52 of load-side.Air outside fan guard 16 flows in fan guard 16 from this auxilairy air intake 52, and collaborates with the air flowed into from air inlet 50 in fan guard 16.Therefore, compared with the situation without auxilairy air intake 52, the air capacity being supplied to motor radiating sheet 22 increases.Thus.The cooling effect of motor radiating sheet 22 is improved, it is possible to suppress the temperature in motor radiating sheet 22 even motor 12 to rise.Namely, it is not necessary to add the blade of big fan or increase the blade quantity of fan, i.e. suppressing aerodynamic noise or that windage loss (power loss) increases meanwhile, it is capable to improve cooling performance.
Further, the rotary apparatus 10 involved by embodiment, each auxilairy air intake 52 is formed as it and is integrally located at than fan 14 more by load-side.In other words, from when radially observing, it is not overlapping with fan 14 that each auxilairy air intake 52 is formed as its entirety.Thus, it is difficult to flow out outside from auxilairy air intake 52 to fan guard 16 by fan 14 to the air that radial outside is sent.It is as a result, it is possible to suppress supply to reduce to the air capacity of motor radiating sheet 22.
Further, the rotary apparatus 10 involved by embodiment, auxilairy air intake 52 is covered by the guide member 48 to a side opening contrary with load (namely in the axial direction opening).Therefore, flow into the air in fan guard 16 from auxilairy air intake 52, to approximately axially parallel direction or relative to be axially slightly tilted direction flowing.That is, flow substantially in parallel with the air from air inlet 50 becoming axially stream in cylindrical portion 42 or rake 44.Therefore, the sinuous flow that the air from the air of air inlet 50 with from auxilairy air intake 52 produces when collaborating diminishes.
Further, the rotary apparatus 10 involved by embodiment, the load-side end 66 of the opposed rake 64 of (1) blade 62 is positioned at than the load-side end 68 of the rake 44 of fan guard 16 more by the side contrary with load.Further, a side end 70 contrary with load of (2) blade 62 more extends to radially inner side than the outermost end 72 of air inlet 50.According to the simulation experiment that the present inventor etc. carries out, the air capacity flowed in fan guard 16 when confirming at least one of blade 62 and fan guard 16 satisfied (1) or (2) can increase, and cooling performance can improve.
Above, structure and action to the rotary apparatus involved by embodiment are illustrated.This embodiment is example, it will be appreciated by those skilled in the art that the combination of its each constitutive requirements can exist various variation, and this variation falls within the scope of the present invention.
(variation 1)
In embodiments, the situation that rotary apparatus 10 possesses motor 12, fan 14 and fan guard 16 is illustrated, but is not limited to this.Rotary apparatus 10 can possess such as reductor, thus replacing motor 12.In this case, fan 14 can be fixed on the end of the power shaft of reductor.
(variation 2)
In embodiments, the situation that cylindrical portion 42 is provided with the multiple auxilairy air intakes 52 circumferentially arranged is illustrated, but is not limited to this.Cylindrical portion 42 can also only arrange 1 auxilairy air intake 52.Further, multiple auxilairy air intakes 52 can not arrange in the circumferential, for instance the axial location of each auxilairy air intake 52 can also be different.
(variation 3)
In embodiments, the situation arranging guide member 48 in the way of corresponding with each auxilairy air intake 52 is illustrated, but is not limited to this.Guide member 48 can also be not provided with in a part for multiple auxilairy air intakes 52.And, it is also possible on multiple auxilairy air intakes 52, all it is not provided with guide member 48.
(variation 4)
In embodiments, the situation that guide member 48 includes rake 54 and parallel portion 56 is illustrated, but is not limited to this.Guide member 48 can not also include parallel portion 56, and only includes rake 54.
(variation 5)
In embodiments, it is illustrated being formed as not overlapping with cylindrical portion 42 situation from guide member 48 when radially observing, but is not limited to this.Such as, the parallel portion 56 of guide member 48 can extend to from overlapping with cylindrical portion 42 when radially observing.
(variation 6)
Although not having specifically mentioned in embodiments, but the rake 54 of guide member 48 can be formed as smooth tabular, and its section shape is linearly.Further, the rake 54 of guide member 48 can also be formed as the shape of bending, and its section shape is curvilinear.
(variation 7)
In embodiments, it is positioned at than fan 14 more by the situation of load-side from whole auxilairy air intake 52 when radially observing, i.e. the situation that auxilairy air intake 52 is not overlapping with fan 14 is illustrated, but is not limited to this.From when radially observing, a part for auxilairy air intake 52 can also be overlapping with fan 14.
(variation 8)
In embodiments, guide member 48 is disposed over the situation of the radial outside of auxilairy air intake 52, i.e. the situation that guide member 48 is arranged at outside auxilairy air intake 52 is illustrated, but is not limited to this.Guide member 48 can also be arranged on the inner side of auxilairy air intake 52.Fig. 4 is the amplification view of the periphery of the fan 14 of the rotary apparatus 10 involved by the variation of enlarged representation embodiment and fan guard 16.Guide member 48 is arranged at the inner side of auxilairy air intake 52.Guide member 48 includes rake 54 and parallel portion 56.It addition, identical with variation 4, guide member 48 can not also include parallel portion 56 and only include rake 54.Rake 54 is by along with tilting relative to motor drive shaft 18 in the way of motor drive shaft 18 from the side contrary with load towards load-side.A side end contrary with load of rake 54 is incorporated into cylindrical portion 42.Parallel portion 56 is formed as connecting with the load-side of rake 54 and extending in the way of parallel with cylindrical portion 42.In this variation, from when radially observing, guide member 48 is formed as not overlapping with cylindrical portion 42.It addition, from when radially observing, it is overlapping with cylindrical portion 42 that guide member 48 can also be formed as its parallel portion 56.
It is effective that the combination in any of above-mentioned embodiment and variation also serves as embodiments of the present invention.The new embodiment produced by combining has combined embodiment and the respective effect of variation concurrently.
Claims (7)
1. a rotary apparatus, it possesses rotating shaft, is arranged on the fan of a side end contrary with load of described rotating shaft and covers the fan guard of described fan, and described rotary apparatus is characterised by,
Described fan guard has the cylindrical portion of the radial outside covering described fan, closes the cap of a side end contrary with load of described cylindrical portion and be arranged on the air inlet of described cap, and the load-side end of described cylindrical portion is to rotary apparatus main body side opening
Described fan guard has auxilairy air intake in described cylindrical portion, remaining at least partially within than described fan more by load-side of described auxilairy air intake.
2. rotary apparatus according to claim 1, it is characterised in that
Described auxilairy air intake is integrally located at than described fan more by load-side.
3. rotary apparatus according to claim 1 and 2, it is characterised in that
Described rotary apparatus has the guide member of the radial outside covering described auxilairy air intake, and described guide member is to a side opening contrary with load.
4. rotary apparatus according to claim 3, it is characterised in that
Described guide member has rake, and described rake is by along with tilting in the way of described cylindrical portion from the side contrary with load towards load-side.
5. rotary apparatus according to claim 4, it is characterised in that
The side contrary with load that described guide member has with described rake is connected and the parallel portion parallel with described cylindrical portion.
6. the rotary apparatus according to any one in claim 1 to 5, it is characterised in that
Described fan guard has the rake being arranged between described cylindrical portion and described cap and tilting relative to described rotating shaft, described fan has the opposed rake opposed with the described rake of described fan guard, and the load side end portion of described opposed rake is positioned at than the load-side end of the described rake of described fan guard more by the side contrary with load.
7. the rotary apparatus according to any one in claim 1～6, it is characterised in that
A side end contrary with load of described fan more extends to radially inner side than the outermost end of described air inlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015008727A JP6376981B2 (en) | 2015-01-20 | 2015-01-20 | Rotating device |
| JP2015-008727 | 2015-01-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105811660A true CN105811660A (en) | 2016-07-27 |
| CN105811660B CN105811660B (en) | 2019-02-19 |
Family
ID=56293700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510623453.4A Active CN105811660B (en) | 2015-01-20 | 2015-09-25 | Rotating device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6376981B2 (en) |
| CN (1) | CN105811660B (en) |
| DE (1) | DE102015121695A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959382A (en) * | 2016-10-17 | 2018-04-24 | 马勒国际有限公司 | generator for internal combustion engine |
| CN110274003A (en) * | 2018-03-16 | 2019-09-24 | 住友重机械齿轮箱株式会社 | Geared system |
| CN110319180A (en) * | 2018-03-29 | 2019-10-11 | 住友重机械齿轮箱株式会社 | Deceleration device |
| CN113615057A (en) * | 2019-03-29 | 2021-11-05 | 本田技研工业株式会社 | Motor device, electric power unit, and work machine |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3055070B1 (en) * | 2016-08-11 | 2018-09-07 | Alstom Transport Technologies | ELECTRIC MOTOR COMPRISING A DEVICE OF HIGH ACOUSTICAL ATTENUATION |
| FR3055071B1 (en) * | 2016-08-11 | 2018-09-07 | Alstom Transport Technologies | ELECTRIC MOTOR COMPRISING AN ACOUSTICAL ATTENUATION DEVICE |
| US10690232B2 (en) | 2018-05-31 | 2020-06-23 | Abb Schweiz Ag | Machine and gearbox system and cooling therefor |
| CN110690782B (en) * | 2019-11-04 | 2021-10-26 | 安阳工学院 | Vibration-damping air-cooling woodworking electric spindle |
| EP3961874A1 (en) * | 2020-08-26 | 2022-03-02 | Siemens Aktiengesellschaft | Electrodynamic rotary machine with internal ventilation |
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| JP5312101B2 (en) | 2009-03-04 | 2013-10-09 | 住友重機械工業株式会社 | Motor with motor fin |
| JP2011205745A (en) * | 2010-03-24 | 2011-10-13 | Mitsubishi Electric Corp | Electric motor and cooling fan for electric motor |
| TWI493171B (en) | 2013-06-27 | 2015-07-21 | Univ China Medical | System and method for analyzing tissue cells by using hyperspectral image |
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2015
- 2015-01-20 JP JP2015008727A patent/JP6376981B2/en active Active
- 2015-09-25 CN CN201510623453.4A patent/CN105811660B/en active Active
- 2015-12-14 DE DE102015121695.7A patent/DE102015121695A1/en not_active Ceased
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| CN107959382B (en) * | 2016-10-17 | 2021-02-12 | 马勒国际有限公司 | Generator for internal combustion engine |
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| CN110319180A (en) * | 2018-03-29 | 2019-10-11 | 住友重机械齿轮箱株式会社 | Deceleration device |
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| CN113615057A (en) * | 2019-03-29 | 2021-11-05 | 本田技研工业株式会社 | Motor device, electric power unit, and work machine |
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| CN113615057B (en) * | 2019-03-29 | 2024-05-07 | 本田技研工业株式会社 | Motor device, electric power unit, and working machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105811660B (en) | 2019-02-19 |
| JP2016135026A (en) | 2016-07-25 |
| JP6376981B2 (en) | 2018-08-22 |
| DE102015121695A1 (en) | 2016-07-21 |
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