CN105811660B - Rotating device - Google Patents
Rotating device Download PDFInfo
- Publication number
- CN105811660B CN105811660B CN201510623453.4A CN201510623453A CN105811660B CN 105811660 B CN105811660 B CN 105811660B CN 201510623453 A CN201510623453 A CN 201510623453A CN 105811660 B CN105811660 B CN 105811660B
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- China
- Prior art keywords
- fan
- load
- air intake
- rotating device
- rake
- Prior art date
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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
- 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
-
- 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
-
- 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
-
- 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
-
- 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
While the present invention provides a kind of increase for being able to suppress aerodynamic noise and windage loss, the rotating device of cooling performance can be improved.Rotating device (10) of the invention has motor drive shaft (18), setting in the fan (14) of a side end opposite with load for motor drive shaft (18) and the fan guard (16) of covering fan (14).Fan guard (16) have covering fan (14) radial outside cylindrical portion (42) and rake (44), close rake (44) a side end opposite with load cover (46) and be arranged cover (46) air inlet (50).The load-side end of cylindrical portion (42) is to motor (12) side opening.Fan guard (16) has auxilairy air intake (52) in cylindrical portion (42), and at least part of auxilairy air intake (52), which is located at, more leans on load-side than fan (14).
Description
This application claims the priority based on Japanese patent application filed on January 20th, 2015 the 2015-008727th.
The entire content of this Japanese application is incorporated by reference in this manual.
Technical field
The present invention relates to a kind of rotating devices.
Background technique
It has been known that there is the rotating devices that one kind is equipped with fan on the rotary shaft.In the rotating device, by fan to rotation
Rotary device main body is blown, thus cooling turn gear main body.It is previous to propose there is the rotating device recorded in such as patent document 1.
Patent document 1: Japanese Unexamined Patent Publication 2010-206991 bulletin
In order to make device miniaturization for needing to install rotating device etc., also rotating device is required to minimize.If making rotating dress
Miniaturization is set, then heat dissipation area is reduced, therefore cooling performance can reduce.
Has the method for the cooling performance of the rotating device of fan as raising, it may be considered that increase blade or the increasing of fan
Add the blade quantity of fan.But if usually increasing fan blade or increasing the blade quantity of fan, aerodynamic noise becomes
Greatly.Also, windage loss can also become larger.
Summary of the invention
The present invention is to complete in light of this situation, its purpose is to provide one kind be able to suppress aerodynamic noise and
While the increase of windage loss, the rotating device of cooling performance can be improved.
To solve the above-mentioned problems, the rotating device of one embodiment of the present invention has rotary shaft, setting is rotating
The fan of a side end opposite with load for axis and the fan guard for covering fan, wherein fan guard has covering fan
Cylindrical portion, the cover of a side end opposite with load for closing cylindrical portion and the air inlet that cover is set of radial outside
Mouthful, and the load-side end of cylindrical portion, to rotating device main body side opening, fan guard has auxilairy air intake in cylindrical portion, auxiliary
It helps at least part of air inlet to be located at and more leans on load-side than fan.
According to which, other than the air inlet of cover of fan is arranged in, air is also from setting in covering fan diameter
The auxilairy air intake of cylindrical portion outward is flowed into fan guard.The air capacity flowed into fan guard as a result, increases, from fan
The air capacity of cover supply to rotating device main body side increases.
In addition, by any combination of the above constitutive requirements or constitutive requirements of the invention or showing method, apparatus, system
The mode of phase double replacement is also used as mode of the invention effective Deng between.
In accordance with the invention it is possible to can be improved cooling while inhibiting the increase of aerodynamic noise and windage loss
Energy.
Detailed description of the invention
Fig. 1 is the perspective view of rotating device involved in embodiment.
Fig. 2 is the longitudinal section view of the rotating device of Fig. 1.
Fig. 3 is that amplification indicates the fan of Fig. 2 and the enlarged cross-sectional view on fan guard periphery.
Fig. 4 is that amplification indicates the fan of rotating device and putting for fan guard periphery involved in the variation of embodiment
Big cross-sectional view.
In figure: 10- rotating device, 12- motor, 14- fan, 16- fan guard, 18- motor drive shaft, 42- cylindrical portion, 44- incline
Inclined portion, 46- cover, 50- air inlet, 52- auxilairy air intake.
Specific embodiment
Hereinafter, identical symbol is marked to each shown in the accompanying drawings identical or same constitutive requirements, component, it is appropriate to save
Slightly repeated explanation.Also, in order to make it easy to understand, appropriate amplification, diminution indicate the size of the component in each attached drawing.Also, each
In attached drawing, a part indicated to unessential component in the explanation of embodiment is omitted.
Fig. 1 is the perspective view of rotating device 10 involved in embodiment.Fig. 2 is the longitudinal section view of rotating device 10.Rotation
Rotary device 10 has to the external motor 12 for providing power, the fan 14 for cooling down motor 12 and the fan for covering fan 14
Cover 16.
Motor 12 has motor drive shaft 18, motor frame 20, motor radiating piece 22, the 1st bearing 24, the 2nd bearing 26, stator iron
Core 28, stator winding 30, rotor core 32 and conductor 34.
Motor frame 20 includes shell 36, the 1st bracket 38, the 2nd bracket 40.Shell 36 is formed as cylindric.1st bracket 38
It is incorporated into a side end opposite with load for shell 36, and rotatably supports motor drive shaft 18 via the 1st bearing 24.The
2 brackets 40 are incorporated into the load-side end of shell 36, and rotatably support motor drive shaft 18 via the 2nd bearing 26.
Stator core 28, stator winding 30, rotor core 32 and conductor 34 are accommodated in motor frame 20.Motor frame
20 be, for example, die casting aluminum, cast iron system or steel plate system, supports stator core 28, stator winding 30, rotor core 32 and leads
The weight of body 34, and the heat that stator core 28, stator winding 30, rotor core 32 and conductor 34 issue is discharged into outside
Portion.
Motor radiating piece 22 is set to the periphery of shell 36.Motor radiating piece 22 is especially along the extension side of motor drive shaft 18
The periphery of shell 36 is arranged in the mode extended to (i.e. axial).Motor radiating piece 22 can be formed as one with shell 36,
Shell 36 is incorporated into after can independently forming.By the cooling fin, the heat dissipation performance of motor frame 20 can be improved.
Stator core 28 is fixed on the inner peripheral surface 36a of shell 36.It is formed on multiple slots of stator core 28 to be wound with and determine
Sub- winding 30.Rotor core 32 is fixed on motor drive shaft 18.It is formed on multiple slots of rotor core 32 and is cast with such as aluminum
Conductor 34.
The side opposite with load of motor drive shaft 18 is prominent from the 1st bracket 38.In one opposite with load of the protruding portion
Side end is fixed with fan 14.Fan 14 is rotated together with motor drive shaft 18.Fan guard 16 is shaped generally as the regulation shape of cup-shaped,
And it is fixed on motor frame 20 with the state being open towards 12 side of motor.Fan 14 is covered by the fan guard 16.
Fig. 3 is the enlarged cross-sectional view that amplification indicates the fan 14 of Fig. 2 and the periphery of fan guard 16.It is right referring to Fig. 3 and Fig. 1
Fan 14 and fan guard 16 are described in more detail.Fan guard 16 include cylindrical portion 42, rake 44, cover 46 and
Multiple guide members 48.Cylindrical portion 42 is formed to have the cylindrical shape of the diameter roughly the same with shell 36, covers fan 14
Radial outside.In addition, cylindrical portion 42 can also be formed as square tube shape or other shapes.It is formed in cylindrical portion 42 along week
To multiple auxilairy air intakes 52 of arrangement.
Each auxilairy air intake 52 is formed as its at least part and is located at than fan 14 more by load-side (left side in Fig. 3).It changes
Yan Zhi, when from radial, it is not Chong Die with fan 14 that each auxilairy air intake 52 is formed as its at least part.Shown in Fig. 3
In 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, shown in Fig. 3
Embodiment in, from when radial observation, it is integrally not Chong Die with fan 14 that each auxilairy air intake 52 is formed as it.About each auxiliary
Shape, size and the number of air inlet 52, can by test be set as can be realized shape, the size of high cooling performance with
And number.In the present embodiment, auxilairy air intake 52 is rectangular impenetrating mouth, and is provided with 8 in the circumferential.And
And the shapes and sizes of each auxilairy air intake 52 can also be different.
The side opposite with load of cylindrical portion 42 is arranged in rake 44.Rake 44 is formed as with from load-side court
To the tubular of the side undergauge opposite with load.More specifically, rake 44 be formed as the diameter of inner circumferential surface 44a with from
Load-side becomes smaller towards the side opposite with load.In other words, when longitudinal section observation shown in Fig. 3, rake 44 with
Mode from load-side towards the side opposite with load close to motor drive shaft 18 is tilted relative to motor drive shaft 18.
The side opposite with load of rake 44 is arranged in cover 46.Cover 46 is formed as disk-shaped, closes rake
44 side end opposite with load.Hole (i.e. multiple air inlets 50) is formed through in cover 46.If fan 14 rotates,
Outside air is sucked from each air inlet 50 in fan guard 16.
Guide member 48 is arranged in a manner of corresponding with auxilairy air intake 52, and with to a side opening opposite with load
Mode cover the radial outside of auxilairy air intake 52.Specifically, guide member 48 includes rake 54 and parallel portion 56.Incline
Inclined portion 54 by with from the side opposite with load towards load-side close to cylindrical portion 42 in a manner of relative to motor drive shaft 18 tilt.
The load-side end of rake 54 is incorporated into cylindrical portion 42.Parallel portion 56 is formed as the side opposite with load with rake 54
It connects and is extended in the mode parallel with cylindrical portion 42.When in embodiments, from radial, guide member 48 is formed as not
It is Chong Die with cylindrical portion 42.When in other words, from radial, entire guide member 48 is Chong Die with auxilairy air intake 52.
Fan 14 is radial fan comprising is fixed on the cylindrical portion 60, outside from cylindrical portion 60 to diameter of motor drive shaft 18
Multiple supporting parts 61 of side extension and multiple blades 62 that supporting part 61 is set.Each blade 62 is flat-shaped part, master
Facing towards circumferential direction.Each blade 62 has the opposed rake 64 opposed with the inner peripheral surface 44a of rake 44 of fan guard 16.It is opposed
The load-side end 66 of rake 64 is located at than the load-side end 68 of the rake 44 of fan guard 16 more by opposite with load
Side.Also, a side end 70 opposite with load for blade 62 than air inlet 50 radially outermost side end 72 more to
Radially inner side extends.
The movement of the rotating device 10 of above structure is illustrated.In order to rotate motor drive shaft 18, driving current is supplied
To stator winding 30.By making the electric current flow through stator winding 30, magnetic flux is generated along stator core 28.Pass through the magnetic flux
It measures to rotor core 32 and applies torque, so that motor drive shaft 18 be made to rotate.If motor drive shaft 18 rotate, fan 14 also with motor drive shaft 18
It rotates together with.By the rotation, outside air flows into fan guard 16 from the air inlet 50 of cover 46.It is flowed into from air inlet 50
Air is sent out to radial outside by fan 14 and is collided with cylindrical portion 42 or rake 44, and the axis towards load-side is accordingly changed into
Xiang Liu, and pass through the supply of gap 74 between cylindrical portion 42 and the 1st bracket 38 to motor radiating piece 22.Also, due to from air inlet
The air that mouth 50 flows into flow through gap 74, thus the pressure in gap 74 becomes lower than the outside of fan guard 16, thus fan guard 16
External air flows into gap 74 from auxilairy air intake 52.It is identical as the air flowed into from air inlet 50, from auxilairy air intake 52
The air of inflow passes through 74 the supply system motor radiating piece 22 of gap.That is, motor radiating piece 22 passes through the air from air inlet 50
It is cooled with the air from auxilairy air intake 52.
Rotating device 10 involved in embodiment from the description above is formed in the cylindrical portion 42 of fan guard 16
At least part is located at the auxilairy air intake 52 that load-side is more leaned on than fan 14.Air outside fan guard 16 is from the additional-air inlet
Mouth 52 flows into fan guards 16, and collaborates with the air flowed into fan guard 16 from air inlet 50.Therefore, with do not have assist into
The case where port 52, is compared, and the air capacity for being supplied to motor radiating piece 22 increases.Thus.The cooling effect of motor radiating piece 22 obtains
To raising, the temperature being able to suppress in the even motor 12 of motor radiating piece 22 rises.That is, without the blade or the increasing that increase fan
Add the blade quantity of fan, that is, while inhibiting aerodynamic noise or windage loss (power loss) increases, can be improved
Cooling performance.
Also, rotating device 10 according to involved in embodiment, each auxilairy air intake 52 are formed as it and are integrally located at ratio
Fan 14 more leans on load-side.In other words, from when radial observation, each auxilairy air intake 52 be formed as its integrally not with 14 weight of fan
It is folded.It is difficult to flow out outside from auxilairy air intake 52 to fan guard 16 to the air that radial outside is sent out by fan 14 as a result,.Its
As a result, it is possible to inhibit to supply to the air capacity reduction of motor radiating piece 22.
Also, rotating device 10 according to involved in embodiment, auxilairy air intake 52 is by the side opposite with load
The guide member 48 of opening (being open in the axial direction) covers.Therefore, the air in fan guard 16 is flowed into from auxilairy air intake 52,
To with approximately axially parallel direction or relative to the direction flowing being axially slightly tilted.That is, in cylindrical portion 42 or inclination
The air from air inlet 50 that portion 44 becomes axially flowing flows substantially in parallel.Therefore, air from air inlet 50 and come
The sinuous flow generated when collaborating from the air of auxilairy air intake 52 becomes smaller.
Also, rotating device 10 according to involved in embodiment, the load side end of the opposed rake 64 of (1) blade 62
Portion 66 is located at the load-side end 68 than the rake 44 of fan guard 16 more by the side opposite with load.Also, (2) blade 62
A side end 70 opposite with load than air inlet 50 outermost side end 72 more to radially inner side extend.People according to the present invention
The simulated experiment of equal progress, confirms blade 62 and when fan guard 16 meets at least one of (1) or (2) flows into fan guard 16
Air capacity will increase, cooling performance can improve.
More than, the structure and movement of rotating device involved in embodiment are illustrated.The embodiment is
Example, it will be appreciated by those skilled in the art that the combination of its each constitutive requirements may exist various modifications example, and this deformation
Example also belongs to the scope of the present invention.
(variation 1)
In embodiments, the case where having motor 12, fan 14 and fan guard 16 to rotating device 10 is said
Bright, but it is not limited to this.Rotating device 10 can have such as speed reducer, thus instead of motor 12.In this case, fan 14 can
It is fixed on the end of the input shaft of speed reducer.
(variation 2)
In embodiments, to being provided with the multiple auxilairy air intakes 52 the case where progress circumferentially arranged in cylindrical portion 42
Explanation, but it is not limited to this.1 auxilairy air intake 52 can also be only set in cylindrical portion 42.Also, multiple auxilairy air intakes
52 can not arrange in the circumferential, such as the axial position of each auxilairy air intake 52 can also be different.
(variation 3)
In embodiments, to guide member 48 the case where progress is arranged in a manner of corresponding with each auxilairy air intake 52
Explanation, but it is not limited to this.Guide member 48 can also be not provided in a part of multiple auxilairy air intakes 52.Also,
Guide member 48 can also be not provided on multiple auxilairy air intakes 52.
(variation 4)
In embodiments, rake 54 and parallel portion 56, which are illustrated, to be included the case where to guide member 48, but simultaneously
It is without being limited thereto.Guide member 48 can not also include parallel portion 56, and only include rake 54.
(variation 5)
Guide member 48 is formed as the case where progress not Chong Die with cylindrical portion 42 when in embodiments, to from radial
Explanation, but it is not limited to this.For example, the parallel portion 56 of guide member 48 can be extended to from when radial observation and cylindrical portion 42
Overlapping.
(variation 6)
Although the rake 54 of guide member 48 can be formed as flat plate in embodiments without specifically mentioned
Shape, and its section shape is linearly.Also, the rake 54 of guide member 48 can also be formed as curved shape, and its
Section shape is curvilinear.
(variation 7)
Entire auxilairy air intake 52 is located at the feelings that load-side is more leaned on than fan 14 when in embodiments, to from radial
Condition, that is, it is not Chong Die with fan 14 to auxilairy air intake 52 the case where be illustrated, but it is not limited to this.When from radial,
A part of auxilairy air intake 52 can also be Chong Die with fan 14.
(variation 8)
In embodiments, the case where radial outside of auxilairy air intake 52 being disposed over to guide member 48, that is, right
Guide member 48 is set to the case where 52 outside of auxilairy air intake and is illustrated, and but it is not limited to this.Guide member 48 can also
The inside of auxilairy air intake 52 is arranged in.Fig. 4 is that amplification indicates rotating device 10 involved in the variation of embodiment
The enlarged cross-sectional view on the periphery of fan 14 and fan guard 16.Guide member 48 is set to the inside of auxilairy air intake 52.Guide portion
Part 48 includes rake 54 and parallel portion 56.In addition, identical as variation 4, guide member 48 can not also include parallel portion 56
And only include rake 54.Rake 54 by with from the side opposite with load towards load-side close to motor drive shaft 18 in a manner of
It is tilted relative to motor drive shaft 18.A side end opposite with load for rake 54 is incorporated into cylindrical portion 42.The formation of parallel portion 56
To connect with the load-side of rake 54 and being extended in the mode parallel with cylindrical portion 42.In this variation, from radial sight
When examining, guide member 48 is formed as not Chong Die with cylindrical portion 42.In addition, guide member 48 can also be formed when from radial
It is Chong Die with cylindrical portion 42 for its parallel portion 56.
Any combination of above embodiment and variation is also used as embodiments of the present invention effective.It is produced by combination
Raw new embodiment has both combined embodiment and the respective effect of variation.
Claims (7)
1. a kind of rotating device has the fan of rotary shaft, the side end opposite with load that the rotary shaft is arranged in
And the fan guard of the covering fan, the rotating device are characterized in that,
The fan guard has the cylindrical portion for the radial outside for covering the fan, closes the opposite with load of the cylindrical portion
The cover of one side end and the air inlet that the cover is set, and the load-side end of the cylindrical portion is to rotating device
Main body side opening,
Auxilairy air intake of the fan guard with the opening of face on the periphery of the cylindrical part, at least the one of the auxilairy air intake
Part, which is located at, more leans on load-side than the fan,
As the auxilairy air intake of the fan guard, at least there is the 1st auxilairy air intake that is circumferentially arranged successively, the 2nd
Auxilairy air intake and the 3rd auxilairy air intake,
1st auxilairy air intake in the circumferential direction between the 2nd auxilairy air intake at a distance from less than the 2nd auxilairy air intake and the 3rd assist
The distance in circumferential direction between air inlet.
2. rotating device according to claim 1, which is characterized in that
The auxilairy air intake, which is integrally located at, more leans on load-side than the fan.
3. rotating device according to claim 1 or 2, which is characterized in that
The rotating device has a guide member for the radial outside for covering the auxilairy air intake, the guide member to it is negative
Carry an opposite side opening.
4. rotating device according to claim 3, which is characterized in that
The guide member have rake, the rake with from the side opposite with load towards load-side close to institute
The mode for stating cylindrical portion tilts.
5. rotating device according to claim 4, which is characterized in that
There is the guide member side opposite with loading with the rake connect and with the cylindrical portion parallel put down
Row portion.
6. rotating device according to claim 1 or 2, which is characterized in that
The fan guard, which has, to be arranged between the cylindrical portion and the cover and relative to the inclined inclination of rotary shaft
Portion, the fan have the opposed rake opposed with the rake of the fan guard, the load of the opposed rake
The side opposite with load is more leaned on positioned at the load-side end than the rake of the fan guard in side end.
7. rotating device according to claim 1 or 2, which is characterized in that
A side end opposite with load for the fan more extends to radially inner side than the outermost side end of the air inlet.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-008727 | 2015-01-20 | ||
| JP2015008727A JP6376981B2 (en) | 2015-01-20 | 2015-01-20 | Rotating device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105811660A CN105811660A (en) | 2016-07-27 |
| CN105811660B true 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) |
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| FR3055071B1 (en) * | 2016-08-11 | 2018-09-07 | Alstom Transport Technologies | ELECTRIC MOTOR COMPRISING AN ACOUSTICAL ATTENUATION DEVICE |
| FR3055070B1 (en) * | 2016-08-11 | 2018-09-07 | Alstom Transport Technologies | ELECTRIC MOTOR COMPRISING A DEVICE OF HIGH ACOUSTICAL ATTENUATION |
| EP3309935B1 (en) * | 2016-10-17 | 2019-10-09 | Mahle International GmbH | Dynamo for an internal combustion engine |
| JP2019157811A (en) * | 2018-03-16 | 2019-09-19 | 住友重機械ギヤボックス株式会社 | Gear device |
| JP6941073B2 (en) * | 2018-03-29 | 2021-09-29 | 住友重機械ギヤボックス株式会社 | Decelerator |
| US10690232B2 (en) * | 2018-05-31 | 2020-06-23 | Abb Schweiz Ag | Machine and gearbox system and cooling therefor |
| EP3952072B1 (en) | 2019-03-29 | 2023-10-04 | Honda Motor Co., Ltd. | Motor apparatus, electric power unit and working machine |
| 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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| CN1926748A (en) * | 2004-03-24 | 2007-03-07 | 大金工业株式会社 | Cooling device of motor |
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| JP2000328957A (en) * | 1999-05-21 | 2000-11-28 | Honda Motor Co Ltd | Engine power generator |
| US6239521B1 (en) * | 2000-01-25 | 2001-05-29 | Wy Peron Lee | Motor cover arrangement |
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| JP2011205745A (en) * | 2010-03-24 | 2011-10-13 | Mitsubishi Electric Corp | Electric motor and cooling fan for electric motor |
| JP5993216B2 (en) * | 2012-06-04 | 2016-09-14 | 株式会社日立産機システム | Rotating electric machine |
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- 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1926748A (en) * | 2004-03-24 | 2007-03-07 | 大金工业株式会社 | Cooling device of motor |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102015121695A1 (en) | 2016-07-21 |
| JP2016135026A (en) | 2016-07-25 |
| JP6376981B2 (en) | 2018-08-22 |
| CN105811660A (en) | 2016-07-27 |
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