CN109964045A - Air supply device - Google Patents
Air supply device Download PDFInfo
- Publication number
- CN109964045A CN109964045A CN201780071633.3A CN201780071633A CN109964045A CN 109964045 A CN109964045 A CN 109964045A CN 201780071633 A CN201780071633 A CN 201780071633A CN 109964045 A CN109964045 A CN 109964045A
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- China
- Prior art keywords
- shell
- air supply
- supply device
- recess portion
- axial
- 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
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- 125000006850 spacer group Chemical group 0.000 claims abstract description 110
- 239000003566 sealing material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 5
- 238000011144 upstream manufacturing Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 241000278713 Theora Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004382 potting Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The air supply device of one embodiment of the present invention includes impeller, can be around the central axis rotation extended in one direction；Motor is configured at the radially inner side of impeller, rotates impeller around central axis；Lead cable, is electrically connected with motor；Motor carrier, in an axial side bearing motor for impeller；Shell configures in the position for leaning on radial outside than motor carrier, circumferentially surrounds impeller and motor；More shell ribs, they connect motor carrier and shell；And spacer, it is fixed on the axial side of shell, which has frame portion.Lead cable is drawn out to the position that radial outside is leaned on than shell from motor.The face contact of the axial side in the face and shell of the axial other side of frame portion.Frame portion has the first recess portion being recessed towards axial side from the axial other side of frame portion.First recess portion has the first opening portion in the radially inner side face of frame portion, and configures in the position be overlapped in the axial direction with lead cable.
Description
Technical field
The present invention relates to air supply devices.
Background technique
For example, as shown in Patent Document 1, there is known the pressure fan for having the shell for surrounding impeller.By such air-supply
When machine is installed on the shell of computer etc., mostly using the face of the side opposite with motor base of shell as mounting surface, the horse
The motor that motor seat bearing rotates impeller.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2002-5093 bulletin
Summary of the invention
Subject to be solved by the invention
But pressure fan as described above is installed on as mounting surface using the face of the motor base side of shell sometimes
The shell of computer etc..In this case, the lead cable being electrically connected sometimes with motor is prominent from the face of the motor base side of shell
Out, to be difficult to pressure fan being installed on shell.In addition, being unable to fully the installation essence for obtaining pressure fan relative to shell sometimes
Degree.
In view of the above problems, one of its goals is to provide a kind of air supply device, which can be with by the present invention
Motor carrier side is set easily and highly accurately to be installed on mounted member towards the state of mounted member.
Means for solving the problems
One mode of air supply device of the invention provides air supply device below, which includes impeller,
It can be around the central axis rotation extended in one direction；Motor is configured at the radially inner side of the impeller, makes the leaf
Wheel is rotated around the central axis；Lead cable is electrically connected with the motor；Motor carrier, in the axis of the impeller
To motor described in a side bearing；Shell configures in the position for leaning on radial outside than the motor carrier, circumferentially surrounds institute
State impeller and the motor；More shell ribs, they connect the motor carrier and the shell；And interval
Part is fixed on the axial side of the shell, which has frame portion, and the lead cable is drawn out to from the motor
Than the position that the shell leans on radial outside, the face of the axial side in the face and shell of the axial other side of the frame portion is connect
Touching, the frame portion have the first recess portion being recessed towards axial side from the axial other side of the frame portion, and described first is recessed
Portion is configured in the position be overlapped in the axial direction with the lead cable, and has first to open in the radially inner side face of the frame portion
Oral area.
Invention effect
According to one method of the present invention, providing can be so that the state of motor carrier side towards mounted member be held
Easily and accurately it is installed on the air supply device of mounted member.
Detailed description of the invention
Fig. 1 is the figure from the air supply device of front side first embodiment.
Fig. 2 is the figure for showing the air supply device of first embodiment, is the II-II line cross-sectional view in Fig. 1.
Fig. 3 is the figure of the air supply device of first embodiment from rear side.
Fig. 4 is the perspective view for showing the spacer of first embodiment.
Fig. 5 is the figure from the spacer of front side first embodiment.
Fig. 6 is the figure for showing the part of spacer of first embodiment, is the line VI -- VI cross-sectional view in Fig. 5.
Fig. 7 is the perspective view for showing the spacer of second embodiment.
Fig. 8 is the perspective view for showing the spacer of third embodiment.
Fig. 9 is the perspective view for showing the spacer of the 4th embodiment.
Figure 10 is the perspective view for showing the part of spacer of the 5th embodiment.
Figure 11 is the figure for showing the part of spacer of the 5th embodiment, is the XI-XI line cross-sectional view in Figure 10.
Figure 12 is the perspective view for showing the spacer of sixth embodiment.
Figure 13 is the perspective view for showing the spacer of the 7th embodiment.
Figure 14 is the perspective view for showing the spacer of the 8th embodiment.
Specific embodiment
<first embodiment>
As shown in Figure 1, the air supply device 10 of present embodiment is installed on mounted member B.Mounted member B is, for example, structure
At the plate component of a part of the shell of computer etc..As shown in Figure 1 to Figure 3, air supply device 10 have impeller 20, motor 30,
Motor carrier 40, circuit board 80, shell 50, cable guide portion 70, lead cable 81, sealing material 90, spacer 60 and
More shell ribs 51, wherein the impeller 20 can be around the central axis J rotation extended in one direction.In present embodiment
In, the direction that central axis J is extended be horizontally oriented in a direction.In addition, spacer is omitted in Fig. 3
60 diagram.
In the XYZ coordinate system shown in each figure, Z-direction is up and down direction.X-direction is the water vertical with Z-direction
Square to being the direction parallel with the direction that central axis J is extended.Y direction is and both Z-direction and X-direction
Vertical horizontal direction.In the following description, by X-direction, direction i.e. parallel with central axis J be referred to as " axial direction ",
Radial direction centered on central axis J is referred to as " radial direction ", the circumferential direction centered on central axis J is referred to as " circumferential direction ".
The direction parallel with Z-direction is known as " up and down direction ".In addition, the positive side of X-direction is known as " front side ", by X-direction
Negative side be known as " rear side ".In the present embodiment, " front side " is equivalent to the axial other side, and " rear side " is equivalent to axial side.
The positive side of Z-direction is known as " upside ", the negative side of Z-direction is known as " downside ".In addition, up and down direction, horizontal direction, preceding
Side, rear side, upside and downside do not limit actual positional relationship and direction merely to the title for illustrating and using.
As depicted in figs. 1 and 2, impeller 20 has in the impeller cup 21 of the tubular of rear openings and in the periphery of impeller cup 21
Multiple blades 22 that face circumferentially configures.
As shown in Fig. 2, motor 30 is configured at the radially inner side of impeller 20, rotate impeller 20 around central axis J.In more detail
Say that motor 30 is configured at the inside of impeller cup 21 in ground.In the present embodiment, when from front side, motor 30 makes impeller 20
It is rotated according to direction for example counterclockwise.In the following description, side, the i.e. the past blade 22 in circumferential direction advanced sometimes
The side that side is widdershins advanced when observing is known as " downstream side ", sometimes that the side advanced with blade 22 in circumferential direction is opposite
Side, i.e. from front side when the side deasil advanced be known as " upstream side ".Arrow DR shown in the various figures indicates leaf
The direction of the rotation of wheel 20.In addition, in the present embodiment, downstream side is equivalent to circumferential side.
As shown in Fig. 2, motor 30 has axis 31, stator 34, rotor cup 32 and rotor magnet 33.Axis 31 is with central axis
It is axially extended centered on J.Axis 31 is inserted in the radially inner side of aftermentioned stator supporting part 41.Axis 31 is by stator supporting part 41
Radially inner side face supports to rotate via bearing.Impeller cup 21 is fixedly arranged at the front end in axis 31.Stator 34 is annular in shape, edge
Circumferentially surround axis 31.Stator 34 is fixed on the outer peripheral surface of stator supporting part 41.The fixing means of stator 34 is not particularly limited, can
To be to be fitted into, be bonded, be pressed into.Stator 34 is electrically connected with circuit board 80.
Rotor cup 32 is in the tubular in rear openings, is configured at the radial outside of stator 34.The front of rotor cup 32 configures
In the radially inner side of impeller cup 21.Rotor cup 32 is fixed on impeller cup 21.In addition, rotor cup 32, impeller cup 21 and axis 31
Fixture construction is without being limited thereto.Rotor magnet 33 is fixed on the inner peripheral surface of rotor cup 32.Rotor magnet 33 is for example cylindrical.Rotor
Magnet 33 is opposed across gap radially with stator 34 in the radial outside of stator 34.
Motor carrier 40 supports motor 30 in the rear side of impeller 20.Motor carrier 40 has incorporating section 42 and stator branch
Bearing portion 41.Incorporating section 42 is in the cup-shaped in front openings.Store circuit board 80 in incorporating section 42.Incorporating section 42 is configured at motor 30
Rear side.
Incorporating section 42 has the bottom surface sections 42a that radially expands and extends from the radially outer edge of bottom surface sections 42a to front side
The canister portion 42b of cup-shaped.As shown in figure 3, bottom surface sections 42a has the bottom surface sections through hole 42c axially through bottom surface sections 42a.Bottom
Facial through hole 42c is set to the radially outer edge of bottom surface sections 42a.
As shown in Fig. 2, canister portion 42b circumferentially surrounds the rear end of stator 34, the rear end of rotor cup 32 and rotor magnet 33
Rear end radial outside.Stator supporting part 41 extends from bottom surface sections 42a to front side.Stator supporting part 41 is in central axis J
Centered on cylindrical shape.
Circuit board 80 is in the plate radially expanded.Circuit board 80 is configured at the radially inner side of canister portion 42b.Circuit board 80 is matched
It is placed in the rear side of motor 30, it is be overlapped in the axial direction with motor 30 at least part.Circuit board 80 is for example fixed on motor bearing
Portion 40.The coil of stator 34 is connected on circuit board 80.Circuit board 80 is electrically connected with motor 30 as a result,.
The configuration of shell 50 is in the position for leaning on radial outside than motor carrier 40.As shown in Figures 2 and 3, shell 50 is in edge
Axially extending square tube shape.Shell 50 circumferentially surrounds impeller 20 and motor 30 from diameter outward.In Fig. 2, after shell 50
End and the rear end of motor carrier 40 are presented axially in identical position.In Fig. 3, when along end on observation, shell 50
Shape is generally square.Shell 50 has configuration in the corner 50a of quadrangle.When along end on observation, corner 50a is substantially three
It is angular.The rear surface of corner 50a has inclined plane part 50b in the part of radially inner side, and inclined plane part 50b is with from radial outside court
It is located at front side to radially inner side.
Shell 50 has the 4th recess portion 50c being recessed towards front side from the rear side of shell 50.In the present embodiment,
A corner in the 50a of corner is arranged in four recess portion 50c.4th recess portion 50c runs through shell 50 from the radially inner side face of shell 50
To the radial outer side of shell 50.In Fig. 3, the 4th recess portion 50c runs through corner 50a along the vertical direction.
More shell ribs 51 connect motor carrier 40 and shell 50.In more detail, more shell ribs 51 will
The outer peripheral surface of incorporating section 42 and the radially inner side face of shell 50 connect.More shell ribs 51 circumferentially, equally spaced configure.
In Fig. 3, it is provided with three shell ribs 51.When along end on observation, shell rib 51 is along the direction extension relative to radial skew.
In Fig. 3, when along end on observation, shell rib 51 is in from motor carrier 40 towards the downstream inclined straight line of shell 50
Shape.
Cable guide portion 70 connects motor carrier 40 and shell 50.In more detail, cable guide portion 70 will
The outer peripheral surface of incorporating section 42 and the radially inner side face of shell 50 connect.In the present embodiment, cable guide portion 70 is more
A shell rib in root shell rib 51.Thereby, it is possible to which shell rib 51 is used as cable guide portion 70, therefore do not need in addition to set
Set cable guide portion.Therefore, the quantity that can reduce the part for connecting motor carrier 40 and shell 50, is able to suppress
The flowing of wind across motor carrier 40 and shell 50 is obstructed.Therefore, it is able to suppress the air-supply effect of air supply device 10
Rate reduces.In Fig. 3, cable guide portion 70 extends along roughly vertical direction.
There is cable guide portion 70 cable to draw access 70a.Cable is drawn access 70a and is extended along cable guide portion 70
Extending direction extend.It is the slot being recessed from the rear surface of cable guide portion 70 to front side that cable, which draws access 70a,.Cable is drawn
Both ends open of the access 70a in the extending direction of cable guide portion 70.Cable draws opening for 40 side of motor carrier of access 70a
Mouth is connected with bottom surface sections through hole 42c.The opening that cable draws 50 side of shell of access 70a is connected with the 4th recess portion 50c.Pass through
Cable is drawn access 70a and the 4th recess portion 50c and is continuously provided, and constitutes linear along the extending direction of cable guide portion 70
The access that shape extends.
Lead cable 81 is electrically connected with motor 30.Although not shown, lead cable 81 is connect with circuit board 80, thus
It is electrically connected via circuit board 80 with motor 30.Lead cable 81 is drawn out to the position that radial outside is leaned on than shell 50 from motor 30
It sets.In the present embodiment, lead cable 81 draws access 70a and the 4th recess portion 50c via cable and is drawn out to and compares shell
50 lean on the position of radial outside.In more detail, lead cable 81 is from the inside of incorporating section 42 via bottom surface sections through hole 42c quilt
It is directed to cable to draw in access 70a, be drawn out to from the opening of the radial outside of the 4th recess portion 50c more outside by diameter than shell 50
The position of side.In Fig. 3, lead cable 81 is drawn from shell 50 to upside.As shown in Figure 1, drawn from shell 50 to upside
A part of lead cable 81 is fixed portion B1 and is fixed on mounted member B.
As shown in figure 3, lead cable 81, which is tied band 83, is fixed on cable guide portion 70.Strapping 83 is annular in shape, will draw
Line cable 81 and cable guide portion 70 are surrounded together.The rear end in contact of strapping 83 and lead cable 81 and lead cable 81 is pressed
It is pressed on the medial surface that cable draws access 70a.Thereby, it is possible to inhibit lead cable 81 to draw in access 70a from cable to fall off.Draw
Line cable 81 is, for example, to be coated more leads by flexible pipe and constituted.In the state of not applying external force, lead line
The shape in the section of cable 81 is roughly circular.Lead cable 81 is drawn from cable sometimes when being inserted in cable extraction access 70a
The medial surface stress of access 70a and deform.In addition, in the state of not applying external force, outside the section of lead cable 81
Shape may be the polygonal shapes such as rectangle, triangle.
As shown in Fig. 2, sealing material 90 is configured at the inside of incorporating section 42.In Fig. 2, sealing material 90 is filled in storage
The rear portion of the inside in portion 42.At least part of 90 covering board 80 of sealing material.In Fig. 2, circuit board 80 is embedded in close
The inside of closure material 90, sealing material 90 cover whole circuit board 80.Sealing material 90 is, for example, organosilicon etc..
Spacer 60 is the component of whole rectangular frame-shaped.When along end on observation, the shape of spacer 60 is substantially just
It is rectangular.Spacer 60 is fixed on the rear side of shell 50.As shown in figure 4, spacer 60 is with frame portion 61, opposed portion 62 and more
Spacer rib 63.
When along end on observation, 61 rectangular frame-shaped of frame portion circumferentially surrounds impeller 20 and motor 30.As shown in figure 5, frame
Portion 61 has configuration in the corner 61a of quadrangle.When along end on observation, corner 61a is general triangular.Corner 61a and shell
50 corner 50a is overlapped in the axial direction.The shape along end on observation of frame portion 61 and the shape along end on observation of shell 50 are big
It causes identical.When along end on observation, entire frame portion 61 and entire shell 50 are substantially be overlapped.As shown in Fig. 2, the front side of frame portion 61
The face contact of the rear side of face and shell 50.As shown in figure 4, frame portion 61 has the first recess portion 64.
First recess portion 64 is recessed from the front side of frame portion 61 towards rear side.First recess portion 64 is in the radially inner side face of frame portion 61
There is the second opening portion 64b with the first opening portion 64a, and in the radial outer side of frame portion 61.That is, the first recess portion 64 is from frame
Radial outer side of the radially inner side face in portion 61 through frame portion 61 to frame portion 61.In the present embodiment, the first opening portion 64a exists
Lower opening.In the present embodiment, the second opening portion 64b is in upper side opening.As shown in fig. 6, the first recess portion 64 and the 4th recessed
Portion 50c is opposed in the axial direction.As shown in figure 5, the configuration of the first recess portion 64 is in the position be overlapped in the axial direction with lead cable 81.
According to the present embodiment, motor carrier 40 is set to the rear side of impeller 20, and spacer 60 is set as and shell 50
Rear side face contact.Therefore, as shown in Fig. 2, by so that the side that the face of the rear side of spacer 60 is contacted with mounted member B
Air supply device 10 is fixed on mounted member B by formula, even if for example lead cable 81 is projected into and compares shell as shown in FIG. 6
In the case that the position of rear side is leaned in the face of 50 rear side, also lead cable can be avoided by the axial thickness of spacer 60
81 parts outstanding.Therefore, air supply device 10 easily can be installed on mounted member B across spacer 60.At this point,
Air supply device 10 is so that the state that 40 side of motor carrier is rear side towards mounted member B is installed on mounted member B.
In addition, due to being provided with first recess portion 64 be overlapped in the axial direction with lead cable 81 in frame portion 61, even if
The position that rear side is leaned on than shell 50 is projected into the position lead cable 81 be overlapped in the axial direction with frame portion 61, it also can be as Fig. 6
It is shown to avoid the part outstanding of lead cable 81 by the first recess portion 64 like that.Thereby, it is possible to make the face of the front side of frame portion 61
It is accurately contacted with the face of the rear side of shell 50.Therefore, spacer 60 can accurately be positioned relative to shell 50.Its
As a result, it is possible to improve the installation accuracy for being installed on the air supply device 10 of mounted member B across spacer 60.
More than, according to the present embodiment, obtained can so that 40 side of motor carrier towards mounted member B state
Easily and highly accurately it is installed on the air supply device 10 of mounted member B.In the present embodiment, a part of lead cable 81
It configures and leans on the position of rear side in the face of the rear side than shell 50, and be configured in the first recess portion 64.It can effectively obtain
State effect.The means that air supply device 10 is installed on mounted member B are not particularly limited.In the present embodiment, pass through by
Mounted member B is screwed into through the screw of the corner 61a of the corner 50a and spacer 60 of shell 50 and fixes air supply device 10
And it is installed on mounted member B.
In addition, being tied the case where band 83 is fixed on cable guide portion 70 in the lead cable 81 as present embodiment
Under, strapping 83 can be projected into the position that rear side is leaned on than shell 50 sometimes.In contrast, according to the present embodiment, due to can
The part outstanding of strapping 83 is avoided by spacer 60, therefore air supply device 10 easily can be installed on attached portion
Part B.
In addition, in the present embodiment, there is the first recess portion 64 first opening portion 64a and the second opening portion 64b to be used as
The opening portion of the face opening of the radially opposite sides of frame portion 61.Therefore, it is easier to avoid to be drawn out to by the first recess portion 64 and compare shell
Lead cable 81 of the body 50 by the position of radial outside.
In addition, in the present embodiment, the fourth recess portion 50c opposed with the first recess portion 64 being provided on shell 50, is drawn
Line cable 81 is drawn out to the position that radial outside is leaned on than shell 50 via the 4th recess portion 50c.Therefore, with frame portion 61 in axial direction
The position of upper overlapping, at least part of lead cable 81 are configured in the 4th recess portion 50c.Thereby, it is possible to reduce lead cable
81 are projected into the overhang than shell 50 by the part of the position of rear side.Therefore, the axial ruler of the first recess portion 64 can be reduced
Very little, the rigidity for being able to suppress spacer 60 reduces.In the present embodiment, the axial size of the first recess portion 64 is, for example, less than the
The axial size of four recess portion 50c.
In addition, in the present embodiment, due to being provided with there is the cable being connected with the 4th recess portion 50c to draw access 70a
Cable guide portion 70, therefore lead cable 81 can be appropriately guided to the 4th recess portion along desired path from motor 30
50c.Thereby, it is possible to inhibit lead cable 81 to move between 30 to the 4th recess portion 50c of motor, and it is able to suppress lead line
The configuration of cable 81 is in the position that can be interfered with spacer 60.Therefore, can be easier and accurately by air supply device 10 every
Spacer 60 be installed on mounted member B.
As shown in fig. 6, in the present embodiment, when observing along the vertical direction, the shape of the medial surface of the first recess portion 64
It is constituted when by constituting substantially rectangular three in.In the width direction vertical with both axial direction and up and down direction, the
The size of one recess portion 64 is greater than the size of the 4th recess portion 50c.The size of the width direction of first recess portion 64 is greater than
The axial size of one recess portion 64.In addition, width direction refers to the direction parallel with Y direction.It, will in explanation below
The direction parallel with Y direction is known as " width direction ".
As shown in figure 5, the downstream side 64d in the face as the downstream side in the medial surface of the first recess portion 64 relative to week
It is tilted to vertical face.Therefore, when the wind that circumferentially flows and downstream side 64d collide, easily make wind along
Downstream side 64d flows away.Thereby, it is possible to reduce the interference sound generated due to wind collides with downstream side 64d.In more detail
Ground says, downstream side 64d relative to it is in circumferential vertical imaginary plane, comprising across the downstream side of the first opening portion 64a
Imaginary plane inclination including the imaginary line of end and central axis J.Downstream side 64d is for example parallel with axial direction.Downstream side 64d
It is located at downstream side with from radially inner side towards radial outside.
As shown in figure 4, opposed portion 62 is in the cylindrical shape centered on central axis J.As shown in Fig. 2, opposed portion 62 is in frame
The radially inner side in portion 61 and the face of the rear side of motor carrier 40 are opposed in the axial direction.In Fig. 2, in opposed portion 62 and motor branch
Gap is provided between the axial direction of bearing portion 40.Therefore, even in the position lead be overlapped in the axial direction with motor carrier 40
It, also can be by between opposed portion 62 and motor carrier 40 in the case that cable 81 is projected into the position for leaning on rear side than shell 50
Axial gap avoid the protrusion of lead cable 81.The face of the rear side of opposed portion 62 is contacted with mounted member B.It is right
The axial size for setting portion 62 is, for example, less than the axial size of frame portion 61.
As shown in figure 5, more spacer ribs 63 are circumferentially arranged, opposed portion 62 and frame portion 61 are connected.
Therefore, spacer rib 63 can be used as stator blade.Thereby, it is possible to be adjusted in spacer 60 using spacer rib 63
The flowing of the wind of side.Therefore, it can be improved the air quantity characteristic of air supply device 10.
In lead cable 81 along end on observation when lead division 82 between opposed portion 62 and frame portion 61 in circumferential direction
The upper adjacent mutual gap 65 of spacer rib 63 is overlapped in the axial direction.Therefore, even if being projected into lead division 82 than shell 50
In the case where the position of rear side, lead division 82 can be also avoided by gap 65.Therefore, can be easier and accurately
Air supply device 10 is installed on mounted member B.
The week of the first gap 65a Chong Die with lead division 82 in circumferential direction in the adjacent mutual gap 65 of spacer rib 63
To size be greater than other other than the first gap 65a in the circumferential adjacent mutual gap 65 of spacer rib 63
Gap 65b.Therefore, it is easy to keep lead division 82 and the first gap 65a be overlapped in the axial direction, it is easier to keep away by the first gap 65a
Allow the protrusion of lead division 82.
The circumferential size of multiple gap 65b is for example mutually the same.That is, from adjacent with the downstream side of the first gap 65a
Spacer rib 63a circumferentially according to impeller 20 rotate direction march to it is adjacent with the upstream side of the first gap 65a between
During spacing body rib 63b, more spacer ribs 63 are circumferentially, equally spaced configured.For example, being provided between 11 in Fig. 5
Spacing body rib 63.The configuration relation of ten spacer ribs 63 with from 12 circumferentially equally spaced configured within the scope of complete cycle
The configuration relation that ten spacer ribs in the case where a spacer rib are eliminated in root spacer rib is identical.Using being gone
A spacer rib removing and be provided with the circumferential size first gap 65a bigger than gap 65b.
As shown in Fig. 2, the axial size of spacer rib 63 is less than the axial size of opposed portion 62.Spacer rib 63
Front end is configured in the axial direction in position identical with the front end of opposed portion 62.The backend arrangement of spacer rib 63 is than opposed portion 62
Rear end lean on front side position.In the state that air supply device 10 is installed on mounted member B, spacer rib 63 with pacified
Gap is provided between dress part B.Therefore, even if being also able to suppress spacer rib 63 in the case where spacer rib 63 is vibrated
It is contacted with mounted member B.
As shown in figure 5, spacer rib 63 is along the direction extension relative to radial skew when along end on observation.In Fig. 5
In, when along end on observation, spacer rib 63 is linearly, tilts to the upstream side with from opposed portion 62 towards frame portion 61.
As shown in figure 4, in the present embodiment, spacer rib 63 is in blade shape, have relative to axially inclined wind surface 63c.
Therefore, spacer rib 63 is functioned as stator blade, is rectified, can larger be obtained to the wind conveyed using impeller 20
The rectification effect of spacer rib 63.
Wind surface 63c is according to the following inclined inclined surface in direction: with the ora terminalis of the rear side in radial vertical section
Positioned at the ora terminalis than front side by the position in the downstream side of the direction of rotation of impeller 20.Wind surface 63c is towards front side.Wind surface 63c
Front end be connected with the rear end of wind surface 63c by plane or smooth curved surface.
The present invention is not limited to above-mentioned embodiments, can also use other structures.In the following description, sometimes through
Identical label etc. is suitably marked to structure identical with above description and is omitted the description.
The shape of opposed portion 62 is not particularly limited.Opposed portion 62 for example can be polygon tubular, or plectane
Shape, or polygon plate.The quantity of spacer rib 63 is not particularly limited.The quantity of spacer rib 63 can be less than ten
One, 11 can also be more than.In addition, circumferentially being marched to from spacer rib 63a according to the direction that impeller 20 rotates
During spacer rib 63b, more spacer ribs 63 can also be configured circumferentially at different intervals.That is, multiple gap 65b
Circumferential size can also be different from each other.The shape of spacer rib 63 is not particularly limited, and may not be stator blade plate shape.
The shape of spacer rib 63 can be identical as the shape of shell rib 51.Alternatively, it is also possible to be not provided with opposed portion 62 and spacer rib
63。
In addition, lead cable 81 can also not protrude into the position for leaning on rear side than shell 50.Alternatively, it is also possible to be not provided with tying
Band 83.Cable guide portion 70 can also be provided separately with shell rib 51.It can also be not provided with cable guide portion 70.It can not also
4th recess portion 50c is set.
<second embodiment>
In the air supply device 110 of present embodiment shown in Fig. 7, the first recess portion of the frame portion 161 in spacer 160
164 circumferential size is greater than the first recess portion 64 of first embodiment.First recess portion 164 is being provided with the first recess portion 164
Setting in the entire scope of corner 61a.The bottom surface 164c of first recess portion 164 is before being provided with the corner 61a of the first recess portion 164
Surface.Because being provided with the first recess portion 164, so that the axial size for being provided with the corner 61a of the first recess portion 164 is less than other angles
The axial size of portion 61a.According to the present embodiment, since the first recess portion 164 is bigger, even for for example being drawn
Lead cable 81 the different various shells in circumferential position, be also easy to avoid lead cable 81 by the first recess portion 164.
<third embodiment>
In the air supply device 210 of present embodiment shown in Fig. 8, spacer 260 has the second wall portion 266c and a pair
First wall portion 266a, 266b.A pair of first wall portion 266a, 266b extends to opposed from circumferential two edges of the first opening portion 64a
Portion 62.Therefore, the wind across the mutual gap 65 of spacer rib 63 adjacent in the circumferential is by a pair of first wall portion 266a, 266b
It hinders, it is not easy to enter in the first recess portion 64.Thereby, it is possible to inhibit the wind across gap 65 from the first recess portion 64 to spacer
260 radial outside leakage.Therefore, according to the present embodiment, the air supply efficiency for being able to suppress air supply device 210 reduces.
First wall portion 266a, 266b rectangular plate.The plate face of first wall portion 266a, 266b is parallel with axial direction.First
The direction that wall portion 266a, 266b is extended is parallel with the extending direction of cable guide portion 70.The front end of first wall portion 266a, 266b
With the rear end in contact of cable guide portion 70.
Second wall portion 266c extends to opposed portion 62 from the edge of the rear side of the first opening portion 64a.Second wall portion 266c is in
Rectangle tabular.The plate face of second wall portion 266c is parallel with axial direction and substantially vertical with the plate face of the first wall portion 266a, 266b.
The direction that second wall portion 266c is extended is parallel with the extending direction of cable guide portion 70.Second wall portion 266c is by a pair of first wall
The end of the rear side of portion 266a, 266b circumferentially connects each other.
According to the present embodiment, by the way that first wall portion 266a, 266b and the second wall portion 266c is arranged, by the first wall portion
266a, 266b, the second wall portion 266c and opposed portion 62 constitute cover 267.The inside of cover 267 and the inside phase of the first recess portion 64
Even.Therefore, the wind quilt cover 267 across the mutual gap 65 of spacer rib 63 adjacent in the circumferential hinders, more difficult entrance
Into the first recess portion 64.Thereby, it is possible to further suppress the wind across gap 65 from the first recess portion 64 to the radial direction of spacer 260
Outside leakage.Therefore, according to the present embodiment, the air supply efficiency that can further suppress air supply device 210 reduces.
In the present embodiment, the rear side of 267 covering cable guide portion 70 of cover, closing cable draw the rear side of access 70a
Opening.Thus, for example, potting resin etc. in access 70a can be drawn into cover 267 with cable.Thereby, it is possible to be filled out with resin
It buries between the lateral surface of lead cable 81 and the medial surface of cover 267 and the lateral surface and cable of lead cable 81 draws access
Between the medial surface of 70a, so as to further suppress the radial outside leakage of the wind direction spacer 260 across gap 65.Separately
Outside, in the present embodiment, cable guide portion 70 and the 4th recess portion 50c can also be not provided with.
<the 4th embodiment>
In the air supply device 310 of present embodiment shown in Fig. 9, spacer 360 has spacer rib 363.Spacer
Rib 363 configures between spacer rib 63a and the circumferential direction of spacer rib 63b.It in the present embodiment, include spacer rib 363
With 12 spacer ribs including more spacer ribs 63 of first embodiment circumferentially within the scope of complete cycle at equal intervals
Ground configuration.Although not shown, a part of spacer rib 363 is be overlapped in the axial direction with lead cable 81.
The spacer rib 363 be overlapped in the axial direction with lead cable 81 have from the end of the front side of spacer rib 363 to
Second recess portion 363c of rear side recess.Second recess portion 363c is be overlapped in the axial direction with lead cable 81.Therefore, even if in lead line
It, also can be in the position be overlapped in the axial direction with lead cable 81 in the case that cable 81 is projected into the position for leaning on rear side than shell 50
Configuration space part rib 363 and the protrusion that lead cable 81 can be avoided by the second recess portion 363c.Thereby, it is possible to increase
Add the quantity of spacer rib and improve rectification effect, and spacer 360 can accurately be positioned relative to shell 50.The
Two recess portion 363c are set to the radial inner end of spacer rib 363.
In the present embodiment, opposed portion 362 has the third recess portion being recessed towards rear side from the front side of opposed portion 362
362a.Although not shown, third recess portion 362a is be overlapped in the axial direction with lead cable 81.Therefore, though with opposed portion
The 362 position lead cables 81 being overlapped in the axial direction are projected into the position that rear side is leaned on than shell 50, also can be by third recess portion
362a avoids the protrusion of lead cable 81.Thereby, it is possible to accurately position spacer 360 relative to shell 50.
Third recess portion 362a extends radially through the wall portion of opposed portion 362.Connect in the peripheral part of the rear side of third recess portion 362a
It is connected to spacer rib 363.Third recess portion 362a is connected with the second recess portion 363c.
<the 5th embodiment>
In the air supply device 410 of present embodiment shown in Fig. 10, spacer 460 has protrusion 468.Protrusion 468 from
The medial surface of first recess portion 64 is prominent.Therefore, as shown in figure 11, can make the lead cable 81 being inserted into the first recess portion 64 with
Protrusion 468 is close to, so that wind be inhibited to leak between the lateral surface of lead cable 81 and the medial surface of the first recess portion 64.As a result,
The air supply efficiency for being able to suppress air supply device 410 reduces.
As shown in Figure 10, protrusion 468 has first part 468a and a pair of of second part 468b.First part 468a is from
The side forward towards front side in the medial surface of one recess portion 64 is prominent.First part 468a extends in the direction of the width.First
It is another that part 468a from the width direction one end in the face towards front side in the medial surface of the first recess portion 64 extends to width direction
End.
A pair of of second part 468b is from the face towards width direction two sides in the medial surface of the first recess portion 64 respectively along width
It is prominent to spend direction.Second part 468b extends from the width direction both ends of first part 468a to front side.Second part 468b from
The rear end in the face towards width direction in the medial surface of the first recess portion 64 extends to front end.As shown in figure 11, first part
468a and a pair of second part 468b are contacted with lead cable 81.
In the present embodiment, the face contact towards front side in the medial surface of lead cable 81 and the first recess portion 64.Cause
This, is able to suppress wind and leaks between the lateral surface of lead cable 81 and the medial surface of the first recess portion 64.Therefore, it is able to suppress and send
The air supply efficiency of wind apparatus 410 reduces.In the present embodiment, the direction in the medial surface of lead cable 81 and the first recess portion 64
The face contact of width direction.Thereby, it is possible to inhibit wind between the lateral surface of lead cable 81 and the medial surface of the first recess portion 64
Leakage reduces so as to further suppress the air supply efficiency of air supply device 410.
<sixth embodiment>
In the air supply device 510 of the present embodiment shown in Figure 12, the first recess portion 564 of the frame portion 561 of spacer 560
Shape it is different from the first recess portion 64 of first embodiment.When observing along the vertical direction, the medial surface of the first recess portion 564 is in
It is protruded to rear side semicircular arc-shaped.That is, the medial surface of the first recess portion 564 is in the shape along the lateral surface of lead cable 81.By
This, can reduce or eliminate the gap between the lateral surface of lead cable 81 and the medial surface of the first recess portion 564, so as to press down
Wind processed leaks between the lateral surface of lead cable 81 and the medial surface of the first recess portion 564.Therefore, it is able to suppress air supply device
510 air supply efficiency reduces.
<the 7th embodiment>
In the air supply device 610 of the present embodiment shown in Figure 13, the frame portion 661 of spacer 660 has third wall portion
668.Third wall portion 668 and the first opening portion 64a are opposed across gap.The radially inner side face of third wall portion 668 is the first recess portion
A part of 664 medial surface.Therefore, the wind in the first recess portion 664 is entered by third wall portion 668 from the first opening portion 64a
Stop, so as to inhibit the radial outside of wind direction spacer 660 to leak.Thereby, it is possible to inhibit the air-supply of air supply device 610 to imitate
Rate reduces.In the present embodiment, the radially inner side face of third wall portion 668 constitutes the court in the medial surface of the first recess portion 664
To the face of downside.
In the first recess portion 664, the second opening portion 64b in first embodiment is closed by third wall portion 668.Third wall
The radial outer side in portion 668 is vertical with up and down direction, constitutes a part of the radial outer side of frame portion 661.Third wall portion 668
Front end configured in the axial direction in position identical with the front end of the first recess portion 664.In addition, the front end of third wall portion 668 can also
The position of rear side is leaned in the front end than the first recess portion 664 to configure.In addition, it is real that third wall portion 668 encloses first in Figure 13
The entire second opening portion 64b in mode is applied, but not limited to this.Third wall portion 668 can also be closed in first embodiment
A part of second opening portion 64b.
<the 8th embodiment>
In the air supply device 710 of the present embodiment shown in Figure 14, spacer 760 has the radial outside from frame portion 61
The edge of the second opening portion 64b in face prominent wall portion 769 outstanding.Therefore, assembler can be to protrude wall portion 769 as mark
Note easily grasps the position of the first recess portion 64, can easily grasp installation direction of the spacer 760 relative to shell 50.By
This, can easily assemble air supply device 710.In addition, by making control used when installing spacer 760 to shell 50
The shape of tool is the shape that can be interfered with prominent wall portion 769 other than according to being correctly oriented, and being able to suppress will be spaced
Part 760 is fixed on shell 50 according to the direction of mistake.
In the present embodiment, prominent wall portion 769 has the first prominent wall portion 769a and the prominent wall portion 769b of a pair second.
The edge of first prominent wall portion 769a from the rear side in the edge of the second opening portion 64b is upwardly projecting.First prominent wall portion
769a extends in the direction of the width.A pair second protrudes wall portion 769b from the width direction two in the edge of the second opening portion 64b
The edge difference of side is upwardly projecting.The width direction of the rear end of the prominent wall portion 769b of a pair second and the first prominent wall portion 769a
Both ends are separately connected.
Prominent wall portion 769 has the 5th recess portion 769c being recessed to rear side.5th recess portion 769c is by the first prominent wall portion
769a and the prominent wall portion 769b of a pair second are constituted.5th recess portion 769c is connect with the first recess portion 64.The inside of first recess portion 64
The medial surface of face and the 5th recess portion 769c are continuous and connect smoothly.It is made of as a result, the first recess portion 64 and the 5th recess portion 769c
Extend in the up-down direction and extension recess portion that the size of up and down direction is than the first recess portion 64 bigger.5th recess portion 769c configuration
In the position be overlapped in the axial direction with lead cable 81.
In the present embodiment, for example, in the position be overlapped in the axial direction with the 5th recess portion 769c, lead cable 81 is prominent
To the position for leaning on rear side than shell 50.It therefore, can be by lead cable 81 along by the first recess portion 64 and the 5th recess portion 769c structure
At extension recess portion be drawn out to than shell 50 lean on radial outside position.As a result, with phase the case where being not provided with prominent wall portion 769
Than that lead cable 81 can be made not allow flexible.Therefore, it is able to suppress the deterioration of lead cable 81.
In addition, being connect by the 5th recess portion 769c with the first recess portion 64, the wind across gap 65 is not easy from the first recess portion
64 are discharged via the 5th recess portion 769c to the radial outside of spacer 760.Therefore, it is able to suppress across the wind direction interval in gap 65
The radial outside of part 760 leaks.Therefore, according to the present embodiment, the air supply efficiency for being able to suppress air supply device 710 reduces.
In the present embodiment, the third recess portion 762a of opposed portion 762 is circumferentially.Third recess portion 762a from than with phase
Extend adjacent to the part position on the upstream side of the opposed portion 762 of the spacer rib 763b connection of the upstream side of the first gap 65a
To downstream side.In the direction of the width, the position at the both ends of third recess portion 762a and the position at the both ends of the first recess portion 64 are big
It causes identical.In the present embodiment, spacer rib 763b has second recess portion 763c identical with the second above-mentioned recess portion 363c.
The mounted member B for being equipped with the air supply device of above-mentioned each embodiment is not particularly limited.Above-mentioned each reality
The air supply device for applying mode can be installed on any part.In addition, the purposes of the air supply device of above-mentioned each embodiment does not have
It is particularly limited to.Above-mentioned each structure can be appropriately combined in mutual reconcilable range.
Label declaration
10,110,210,310,410,510,610,710: air supply device；20: impeller；22: blade；30: motor；40: horse
Up to supporting part；50: shell；50c: the four recess portion；51: shell rib；60,160,260,360,460,560,660,760: interval
Part；61,161,561,661: frame portion；62,362,762: opposed portion；63,63a, 63b, 363,763b: spacer rib；63c: by
Wind face；64,164,564,664: the first recess portion；64a: the first opening portion；64b: the second opening portion；65,65b: gap；65a: the
One gap；70: cable guide portion；70a: cable draws access；81: lead cable；82: lead division；266a: the first wall portion；
266c: the second wall portion；362a, 762a: third recess portion；363c, 763c: the second recess portion；468: protrusion；668: third wall portion；
769: prominent wall portion；J: central axis.
Claims (19)
1. a kind of air supply device, includes
Impeller, can be around the central axis rotation extended in one direction；
Motor is configured at the radially inner side of the impeller, rotates the impeller around the central axis；
Lead cable is electrically connected with the motor；
Motor carrier, the motor described in an axial side bearing for the impeller；
Shell configures in the position for leaning on radial outside than the motor carrier, circumferentially surrounds the impeller and the horse
It reaches；
More shell ribs, they connect the motor carrier and the shell；And
Spacer is fixed on the axial side of the shell, which has frame portion,
The lead cable is drawn out to the position that radial outside is leaned on than the shell from the motor,
The face contact of the axial side in the face and shell of the axial other side of the frame portion,
The frame portion has the first recess portion being recessed towards axial side from the axial other side of the frame portion,
First recess arrangement is and inside in the diameter of the frame portion in the position be overlapped in the axial direction with the lead cable
Side has the first opening portion.
2. air supply device according to claim 1, wherein
The spacer includes
Opposed portion, the face in the axial side of the radially inner side and motor carrier of the frame portion are opposed in the axial direction；
And
More spacer ribs, they are circumferentially arranged, and the opposed portion and the frame portion are connected.
3. air supply device according to claim 2, wherein
In the lead cable along end on observation when lead division between the opposed portion and the frame portion in circumferential direction
The upper adjacent mutual gap of the spacer rib is overlapped in the axial direction.
4. air supply device according to claim 3, wherein
The circumferential direction in first gap Chong Die with the lead division in circumferential direction in the adjacent mutual gap of the spacer rib
Size is greater than other gaps other than first gap in the circumferential adjacent mutual gap of the spacer rib.
5. according to air supply device described in any one in claim 2 to 4, wherein
The spacer rib is in blade shape, is had relative to axially inclined wind surface.
6. air supply device according to claim 2, wherein
A part of the spacer rib and the lead cable are be overlapped in the axial direction,
The spacer rib be overlapped in the axial direction with the lead cable has from the axial other side of the spacer rib
End the second recess portion that side is recessed in the axial direction,
Second recess portion and the lead cable are be overlapped in the axial direction.
7. according to air supply device described in any one in claim 2 to 6, wherein
The opposed portion has the third recess portion being recessed towards axial side from the axial other side of the opposed portion,
The third recess portion and the lead cable are be overlapped in the axial direction.
8. according to air supply device described in any one in claim 2 to 7, wherein
The spacer has the first wall portion of a pair that the opposed portion is extended to from circumferential two edges of first opening portion.
9. according to claim 1 to air supply device described in any one in 8, wherein
The spacer has from the medial surface protrusion outstanding of first recess portion.
10. according to claim 1 to air supply device described in any one in 9, wherein
First recess portion has the second opening portion in the radial outer side of the frame portion.
11. air supply device according to claim 10, wherein
The spacer has the edge highlighted wall outstanding of second opening portion from the radial outer side of the frame portion
Portion.
12. according to claim 1 to air supply device described in any one in 10, wherein
The frame portion has with first opening portion across the opposed third wall portion in gap,
The radially inner side face of the third wall portion is a part of the medial surface of first recess portion.
13. according to claim 1 to air supply device described in any one in 12, wherein
A part configuration of the lead cable leans on the position of axial side in the face of the axial side than the shell, and matches
It sets in first recess portion.
14. air supply device according to claim 13, wherein
The face contact of the axial other side of direction in the medial surface of the lead cable and first recess portion.
15. according to claim 1 to air supply device described in any one in 14, wherein
The shell has the 4th recess portion being recessed towards the axial other side from the axial side of the shell,
4th recess portion runs through the radial outer side of the shell to the shell from the radially inner side face of the shell,
First recess portion and the 4th recess portion are opposed in the axial direction,
The lead cable is drawn out to the position that radial outside is leaned on than the shell from the motor via the 4th recess portion.
16. air supply device according to claim 15, wherein
The air supply device also has cable guide portion, which has connect the motor carrier with the shell
Come,
There is the cable guide portion cable to draw access, which draws access and prolong along what the cable guide portion was extended
Direction extension is stretched, in the both ends open of the extending direction of the cable guide portion,
The opening that the cable draws the shell side of access is connected with the 4th recess portion,
The lead cable draws access via the cable and the 4th recess portion is drawn out to than the shell by radial outside
Position.
17. air supply device according to claim 16, wherein
The cable guide portion is a shell rib in the more shell ribs.
18. according to claim 1 to air supply device described in any one in 17, wherein
The medial surface of first recess portion is in the shape along the lateral surface of the lead cable.
19. according to claim 1 to air supply device described in any one in 18, wherein
The face of circumferential side in the medial surface of first recess portion is tilted relative to circumferential vertical face.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016227191 | 2016-11-22 | ||
| JP2016-227191 | 2016-11-22 | ||
| PCT/JP2017/041399 WO2018097048A1 (en) | 2016-11-22 | 2017-11-17 | Air blowing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109964045A true CN109964045A (en) | 2019-07-02 |
| CN109964045B CN109964045B (en) | 2021-05-25 |
Family
ID=62195154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780071633.3A Active CN109964045B (en) | 2016-11-22 | 2017-11-17 | Air supply device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6924205B2 (en) |
| CN (1) | CN109964045B (en) |
| WO (1) | WO2018097048A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7179609B2 (en) * | 2018-12-27 | 2022-11-29 | ミネベアミツミ株式会社 | axial fan |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09317696A (en) * | 1996-05-27 | 1997-12-09 | Toshiba Corp | Stator blade structure of axial flow compressor |
| US7011504B2 (en) * | 2003-04-04 | 2006-03-14 | Nidec America Corporation | Fan, fan guard and related method |
| CN200975371Y (en) * | 2006-10-31 | 2007-11-14 | 东莞动利电子有限公司 | Low-windage heat radiating fun structural |
| CN101205932A (en) * | 2006-12-21 | 2008-06-25 | 鸿富锦精密工业（深圳）有限公司 | Fan |
| CN203118971U (en) * | 2012-12-07 | 2013-08-07 | 葛少强 | Photovoltaic wiring box |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5407324A (en) * | 1993-12-30 | 1995-04-18 | Compaq Computer Corporation | Side-vented axial fan and associated fabrication methods |
| JPH1054386A (en) * | 1996-08-09 | 1998-02-24 | Sanyo Denki Co Ltd | Fan |
| JP4716065B2 (en) * | 2000-06-21 | 2011-07-06 | ミネベア株式会社 | Axial blower |
| JP5378009B2 (en) * | 2009-03-04 | 2013-12-25 | 山洋電気株式会社 | Electric blower |
| DE202012103921U1 (en) * | 2012-10-12 | 2014-01-16 | Ebm-Papst St. Georgen Gmbh & Co. Kg | Mounting element for mounting a fan housing and fan housing |
-
2017
- 2017-11-17 JP JP2018552541A patent/JP6924205B2/en active Active
- 2017-11-17 CN CN201780071633.3A patent/CN109964045B/en active Active
- 2017-11-17 WO PCT/JP2017/041399 patent/WO2018097048A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09317696A (en) * | 1996-05-27 | 1997-12-09 | Toshiba Corp | Stator blade structure of axial flow compressor |
| US7011504B2 (en) * | 2003-04-04 | 2006-03-14 | Nidec America Corporation | Fan, fan guard and related method |
| CN200975371Y (en) * | 2006-10-31 | 2007-11-14 | 东莞动利电子有限公司 | Low-windage heat radiating fun structural |
| CN101205932A (en) * | 2006-12-21 | 2008-06-25 | 鸿富锦精密工业（深圳）有限公司 | Fan |
| CN203118971U (en) * | 2012-12-07 | 2013-08-07 | 葛少强 | Photovoltaic wiring box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109964045B (en) | 2021-05-25 |
| WO2018097048A1 (en) | 2018-05-31 |
| JPWO2018097048A1 (en) | 2019-10-17 |
| JP6924205B2 (en) | 2021-08-25 |
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