CN101126400A - Insert for fan-motor assembly - Google Patents
Insert for fan-motor assembly Download PDFInfo
- Publication number
- CN101126400A CN101126400A CNA2007101409523A CN200710140952A CN101126400A CN 101126400 A CN101126400 A CN 101126400A CN A2007101409523 A CNA2007101409523 A CN A2007101409523A CN 200710140952 A CN200710140952 A CN 200710140952A CN 101126400 A CN101126400 A CN 101126400A
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- CN
- China
- Prior art keywords
- fan
- plug
- component according
- fan component
- unit
- 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.)
- Pending
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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
- F04D29/40—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
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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
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/08—Centrifugal pumps
- F04D17/10—Centrifugal pumps for compressing or evacuating
- F04D17/12—Multi-stage 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
- F04D29/40—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
- F04D29/4233—Fan casings with volutes extending mainly in axial or radially inward direction
Abstract
A fan assembly includes an end bracket which is coupled to a motor assembly. The end bracket includes a circumferential channel which is interrupted by an opening. A fan is provided which includes a plurality of blades. A shroud at least partially encloses the fan and defines a chamber. An insert, which may or may not be an integral part of the end bracket, is received in the chamber and includes a circumferential ramp. The circumferential ramp is configured to provide the chamber with an internal cross-sectional area which varies circumferentially so as to improve airflow efficiency.
Description
Technical field
The present invention relates generally to motor sub-assembly.Particularly, the present invention relates to be used to have the fan plug-in unit of the fan-motor assembly of guard shield, described fan plug-in unit has improved moyor and air flows feature.Particularly, the present invention relates to a kind ofly be received in the cavity that forms by fan end bracket and guard shield and be suitable for being assemblied in plug-in unit in the existing design.
Background technique
Adopt the vacuum motor of tangential bypass to be used in multiple application, for example in vacuum Effector, packaging facilities, the filled equipment of bag, blank-cutting machine and some the removal equipment exhaust.Generally include the cylinder blanket or the guard shield that are used to seal the fan that is rotated around axis that is subjected to motor driven in the design of these vacuum motors.Air is inhaled into shell via the aperture of top axle to the center of the shell that is arranged in the fan top.Along with fan is rotated, air is quickening along obtaining on the circumferential and radially outer direction.Described shell provides and is arranged on outlet relative with described aperture on the fan side.Described outlet is the cylindrical substantially opening above the radially outward edge that tangentially is arranged on shell, thereby makes and tangentially discharge by described opening along the air of described radially outward edge circumferential flow.These fan efficiencies are high and have the requirement of can being assemblied in than the less appearance profile in the equipment of thin fan-motor assembly.
For most fan design, efficient is most important Consideration.Current housing designs is not along its most effective in the enclosure route guidance air stream.Particularly, undesirable turbulent flow and dead zone are considered to be formed by uncontrolled inlet air flow path, and described uncontrolled inlet air flow path is the position of discharging described outlet from the position that air is discharged from rotary fan to air.By transmitting tangential velocity, fan produces tangible kinetic energy in air.Described air must be decelerated in a controlled manner, so that pressure is got back in described kinetic energy conversion.The sudden change of cross section can cause producing eddy current and turbulent flow, and described eddy current and turbulent flow dissipate described kinetic energy as heat, rather than it is reverted to pressure.By making air discharge fan with controlled way not, the total pressure (or vacuum) that is produced by fan-motor assembly affects adversely thus.Therefore, need manage air stream better so that obtain higher fan efficiency.In addition, this improvement should not be only applicable to novel fan component, and is the form that can be installed in the fan component that has built, and mould process is good and do not need the form of retrofiting perhaps to be MANUFACTURER.
Therefore, the plug-in unit in the fan drum of the vacuum motor of a kind of tangential bypass that be placed in employing guiding air stream and raise the efficiency of present technique field needs.
Summary of the invention
Described in preamble, a first aspect of the present invention is: the fan plug-in unit that provides a kind of implementation efficiency to improve.
Another aspect of the present invention is: a kind of fan component is provided, described fan component comprises and the joining end frame of motor sub-assembly, described end frame comprises the circumferential passageway that interrupted by opening, comprise the fan of a plurality of blades, seal described fan at least in part and limit the chamber guard shield, be received in the plug-in unit in the described chamber, described plug-in unit comprises the circumferential ramps that is accommodated in the described passage, and the passage that has along the cross sectional area that circumferentially changes in order to provide is provided wherein said circumferential ramps.
Another aspect of the present invention is achieved by a kind of fan component, described fan component comprises: end frame and cylindrical substantially and have a plug-in unit of central axis, wherein said plug-in unit comprises the circumferential ramps that is provided with respect to described axis spirality orientation, links with described end frame and limits betwixt the guard shield of chamber and the fan that optionally is rotated under the effect of axle, described fan is set at described indoor and produce along described circumferential ramps air pressurized stream.
Description of drawings
Also can more fully understand purpose of the present invention, technology and structure in conjunction with the accompanying drawings by the reference following detailed, wherein:
Fig. 1 is the perspective view of fan/motor sub-assembly of making of theory according to the present invention;
Fig. 2 is the partial sectional view of fan/motor sub-assembly of making of theory according to the present invention;
Fig. 3 is the end frame made of theory according to the present invention and the decomposition view of plug-in unit;
Fig. 4 is the top orthogonal view of this end frame;
Fig. 5 is the top orthogonal view that the end frame of plug-in unit is installed;
Fig. 5 A is the top orthogonal view of plug-in unit;
Fig. 6 is the perspective view of plug-in unit, there is shown the downside of described plug-in unit; With
Fig. 7 is the perspective view that the end frame of plug-in unit is installed.
Embodiment
Generally use the use that combines of fan plug-in unit that the theory according to the present invention of drawing reference numeral 80 expression makes and the general motor/fan assembly that uses drawing reference numeral 10 expressions in the accompanying drawings.Since plug-in unit 80 can with uses that combine of multiple other motor/fan assembly with like configurations, therefore only the parts of motor/fan assembly are carried out generality explanation, and those parts directly related with plug-in unit 80 are not described.
Shown in Fig. 1 and Fig. 2 the best, motor/fan assembly 10 of the present invention comprises motor sub-component 11 and fan sub-component 12.Be to be appreciated that except general use drawing reference numeral 21 motor sub-component 11 can have any suitable conventional configurations expression and the fan end bracket that be described in more detail below.In a particular embodiment, motor sub-component 11 comprises shell 13.Can carry the bearing 14 of concentric locating in the shell 13, receiving axes 15 in described bearing.Axle 15 supportings are positioned at armature 16 and the commutator 17 above it.Axle also carries cooling fan 18 on 15, and described cooling fan is positioned on the end of the axle 15 relative with fan sub-component 12.Cooling fan 18 is provided at flow air stream above the internal motor parts, thereby promotes heat radiation.This motor sub-component also comprises a plurality of field coils 19 and a plurality of brush 20.As in related domain knownly, thereby these motor parts interact and cause optionally rotation of axle 15.As being described ground hereinafter, axle 15 drive fan sub-component workpieces.
In one embodiment, end frame 21 is set at above the end of the motor sub-component 11 relative with described shell 13.End frame 21 can be rounded substantially and be configured to make fan part can be coupled to above the motor sub-component 11.In addition, thereby end frame 21 makes the air stream that is produced by the fan sub-component can not be subjected to air or from the pollution of other material of motor sub-component 11 by sealing around axle 15, and then motor sub-component 11 and fan sub-component 12 are separated.Can be provided with a plurality of hangers 22 or notch 23 above the end frame 21, relevant device can fastenedly firmly and by calibration reach by the selected position of final application manufacturer by described hanger or notch.End frame 21 comprises the outward flange 24 that limits its radially-outer surface.Outward flange 24 can be provided with the shoulder 25 of protuberance, and the shoulder of described protuberance radially stretches out and circumferentially center on outward flange 24 from outward flange 24.Shoulder 25 is configured to backstop, and guard shield 26 rims are fixed and lean against above the described shoulder.In this manner, guard shield 26 is received in around the outward flange 24, thereby forms gas tight seal substantially.As hereinafter describing ground in more detail, formed first Room 27 that receives the fan part of some of them work with the guard shield 26 of end frame 21 mating reactions.
Further be provided with inner panel 28 on the end frame 21, described inner panel is roughly rounded and radially extend towards first Room 27.The radially outward edge of inner panel 28 ends at from inner panel 28 vertically extending inward flanges 29 places.Inward flange 29 also extends beyond inner panel 28 and provides as the shoulder that can prop up bearing plug-in 80 30 described in hereinafter.Inward flange 29 provides two roughly relative sidewalls of circumferential passageway 31 together with outward flange 24.Passage 31 circular in configuration have the cross section that roughly takes the shape of the letter U, and lower surface 32 and sidewall are limited by flange 24 and 29.The edge 33 of a pair of one-tenth fillet can form transition between lower surface 32 and flange 24 and 29.Inner panel 28 also comprises the axis hole 33 that passes therethrough.Passage 31 is interrupted a part that reaches its peripheral part and extends into out in 41 (the best as shown in Figure 4), and described opening is formed by tangential cornicult 42 and can or can extend from support 21 with support 21 integrally moulded shapings.Cornicult 42 preferably extends beyond outward flange 24 and ends at tubular portion 43 places that can receive the flexible pipe of releasing that is used to be driven the process air by fan sub-component 12.
Inward flange 29 and inner panel 28 extend the common shaft 15 that links with the said motor element operation as the common wall between fan sub-component 12 and the motor sub-component 11 and by inward flange 29 and inner panel 28.Therefore, the supporting ring 45 of facing motor sub-component 11 is set at around the center of the inner panel 28 of axis hole 33, is suitable for receiving bearing 46 in the two.Bearing 46 is suitable for receiving and being bearing in the axle 15 that wherein is rotated.Supporting ring 45 also extends from inner panel 28 vertically, limits the lug boss 47 that extends in first Room 27.Thereby Sealing 48 can be set between bearing 46 and supporting ring 45 and/or the lug boss 47 and prevent to be polluted by the air of fan sub-component.Sealing 48 can present various ways.In fact, described Sealing can adopt U. S. Patent 5,482,378 and/or 6,472,786 instruction, more than two patents be cited as a reference at this.
Further be provided with a plurality of tabs 50 that align on the fan end bracket 21, the described tab that aligns is along circumferentially spaced apart and inwardly radially extend in the passage 31 from outward flange 24.In addition, can be provided with a plurality of holes 51 on the inner panel 28, each hole all is suitable for receiving securing means.Though also can use other fastener means for example rivet, adhesive, cooperation fast, anchor clamps, deflectable tab and frictional interface, in current embodiment, disclosed fastener means is a screw 52.As ground is discussed hereinafter more fully, tab 50 and hole 51 are configured to align in first Room 27 and fastening plug-in unit 80.
In embodiment as shown in the figure, guard shield 26 not only closes fan 61 and 64, and closes other fan that is used for process air is pumped into fan sub-component 12.Have guard shield 26 from the next door 67 that the radial outer wall of guard shield 26 is inwardly radially extended by setting, this multistage embodiment is possible.Next door 67 is provided with the opening 68 of the airflow hole 100 that leads to operation fan 64.In this manner, next door 67 is divided into first Room 27 and second Room 69 with the inside of fan sub-component.Next door 67 supportings are positioned at the stator blade 70 that radially extends of the centre " fan attachment " 71 of opening 68 radially outward positions.The second centrifugal operation fan 72 is set at the position in contiguous aperture 60 and comprises a plurality of blades 73 that radially extend.Blade 73 be carried on have permission fan 72 is assembled to the disk 74 of the centre-drilling hole of axle above 15 and have with guard shield 26 in the ring 104 of the roughly concentric orifice ring 106 in hole 60 between.Though what illustrate in this embodiment is multistage fan, be to be appreciated that the plug-in unit that will discuss can with the single-stage fan, perhaps vertically admission of air tangentially exhausting air or any structure that vice versa use together then.
In current embodiment, aforementioned fan is spaced and is coupled to above the axle 15 by a plurality of elements.First partition 75 extends internally and passes the axis hole 33 on the supporting ring 45 and rest on above the inner race of bearing 46.Thereby can having L shaped cross section, first partition 75 provide the disk 63 of fan 61 can prop up the transverse section of the expansion of leaning on.Be positioned between process air fan 64 and 72 is to be received in above the axle 15 and radial cross-section can have second partition 76 of sand-watch structure substantially.Nut 77 can be set at the end of axle 15, and the end of described axle 15 can be fastened on the packing ring 78, and then rests on above the disk 74 of fan 72.Like this so with the inner race of bearing 46, first partition 75, second partition 76, fan 61,64 and 72 and packing ring 78 be clamped together, thereby make and when being subjected to the driving of motor sub-component 11, all become a unit with axle 15.
In this manner, when axle 15 was rotated, air was drawn in second Room 69 by hole 60.When 72 rotations of the second operation fan, air is drawn into by orifice ring 106 and by blade 73 and is radially promoted to the outside.Radially ejection to the outside is by blade 73 for one denier air, and the blade 70 guiding air of fan attachment 71 radially inwardly flow towards opening 68.Shown in obvious among Fig. 2, opening 68 guiding air flow in first Room 27 by airflow hole 100.When fan 64 rotations, blade 65 radially outwards promotes air.Radially the air stream from blade 65 ejections has radially and tangential component.In other words, the gas grain radially outwards flows, simultaneously with fan 64 rotations.Therefore, when air was discharged fan 64, if fan flows (as desired among the current embodiment) in the counterclockwise direction, so described air was correspondingly around chamber 27 with similarly as passage 31 circumferential flow in the counterclockwise direction.Owing to externally have pressure difference between the atmosphere and first Room 27, so air is discharged chamber 27 and passage 31 by opening 41.Therefore, as noted before, when axle 15 rotations, air is drawn into hole 60 and is discharged from tubular portion 43.These systems are particularly useful for normal domestic use type vacuum system, but also can be applied in other field.Though previous designs is for enough with many application, current desirable be the efficient that improves these devices.Particularly, have been found that: the characteristic of the air stream in the passage 31 causes producing the loss in efficiency described in the background technique part.In order to raise the efficiency, be arranged on the plug-in unit 80 that air stream is discharged fan 64 back steering flows.Plug-in unit 80 can be installed in above the motor/fan assembly in advance, and perhaps because its compact simple design, the form that plug-in unit 80 can after sales service is installed.Perhaps, plug-in unit 80 and end frame 21 can be configured as single and with motor sub-component and fan sub-component according to closely cooperating with the roughly the same mode of individual components described herein.No matter be that plug-in unit 80 is set to separate piece or forms single Construction integration with end frame 21, Sealing 48 or its equivalent device be set be discharged from away from bearing 46 to guarantee moisture.
Plug-in unit 80 is roughly cup-shaped and comprise into discoid and be the facing wall (facing wall) 81 at center with axle 15.Set facing wall 81 size so that its be engaged in above the inner panel 28 when mounted and cover inner panel 28.The lug boss 82 of convergent is set, thereby described lug boss protuberance allows lug boss 47 to cooperate in its lower section.The lug boss 82 of convergent stretches out and comprises and allow axle 15 borings that pass therethrough 83 towards fan 64 from the concentric center of facing wall 81.Facing wall 81 further comprises a plurality of counterbores 84 that are suitable for receiving the screw 52 that passes therethrough separately.When assembling, the threaded part of screw 52 is stretched out and is passed wall 81 and enter into the hole 51 that is arranged on inner panel 28.In addition, screw 52 heads are accommodated in the counterbore 84, thereby make screw not extend on the surface of facing wall 81.In this manner, in case screw 52 is tightened, plug-in unit 80 just is secured to above the end frame 21.
Facing wall 81 ends at peripheral flange 85 places, and described peripheral flange is inwardly extended towards end frame 21 vertically from the radial edges of facing wall 81.Set the size of flange 85, thereby it is engaged in around the inner flange 29.Inclined-plane 86 is positioned in above the radially-outer surface of peripheral flange 85.Inclined-plane 86 is suitable for being received in the passage 31 and is configured to limit along the degree of depth that circumferentially gradually changes.For this reason, inclined-plane 86 comprises radially the horn shape wall 87 that extends towards the outward flange 24 of end frame 21 from flange 85.Horn shape wall 87 is set up angled with respect to lower surface 32, thereby makes that the horn shape wall limits upper end portion 88 and underpart 89 when horn shape wall 87 during around facing wall 81.Another kind of mode is in spiral mode horn shape wall 87 to be set around facing wall 81.Compare with the underpart 89 near lower surface 32 more, upper end portion 88 is set up farther relatively apart from the lower surface 32 of passage 31.In current embodiment, underpart 89 is close to lower surface 32 and flushes.Though be to be appreciated that to the present invention discloses the horn shape wall 87 that has constant angle with respect to lower surface 32, disclosure content of the present invention is not limited to these embodiments.Particularly, described relative angle can change along circumferential mode with linearity or logarithm.
As illustrating significantly among Fig. 5, the inclined-plane 86 of convergent does not extend around the whole periphery of passage 31.When suitably installing, this discontinuities in the inclined-plane 86 of convergent with by opening
Discontinuities in 41 passages that limit 31 aligns.In other words, end wall 93 is positioned in the position of first end 108 of next-door neighbour's opening 41 and the bottom 89 of horn shape wall 87 is positioned near the second end 109.In this manner, plug-in unit 80 is secured to above the end frame 21 thus, and when being properly oriented, plug-in unit has changed appearance profile and the cross sectional area as the passage 31 of the function of circumferential position.
When axle 15 is rotated, when driving process air fan 64 thus, the air that is advanced by blade 65 is guided to more efficiently opens 41 on the end frame 21.Particularly, when installing as shown in this embodiment, in the counterclockwise direction, the water cross section area of passage 31 88 begins to increase gradually from the upper end portion.The water cross section area of passage 31 is corresponding to opening
The discontinuities office maximum of 41 plug-in unit 80.By changing described cross sectional area by this way, because eddy current reduces when air leaves rotary fan, therefore the kinetic energy that is stored in the moving air can be converted into static pressure more completely, rather than is caused the heat that produces by turbulent flow.
Based on above stated specification, the advantage of above-mentioned structure is very obvious.Particularly, plug-in unit 80 is configured in order to provide more efficiently the path to be used to make air to flow in fan sub-component 12.When plug-in unit 80 was mounted, fan efficiency increased, and needed still less energy so that same air stream to be provided thus.In addition, plug-in unit 80 is configured in order in the design that easily is installed in the fan sub-component that is pre-existing in and can be used in (shown in current embodiment) in single-stage or the multilevel device.Therefore, disclosed the present invention has represented the bigger improvement in the fan component field.
Therefore, can see: target of the present invention is met by said structure.Though according to the patent statute regulations, only show and describe in detail best mode and preferred embodiment, be appreciated that the present invention is not limited to this.Therefore, should determine real protection domain of the present invention and spirit with reference to following claims.
Claims (19)
1. fan component comprises:
With the joining end frame of motor sub-assembly, described end frame comprises the circumferential passageway that is interrupted by opening;
At least one comprises the fan of a plurality of blades;
Seal described fan at least in part and limit the guard shield of chamber; With
Be received in the plug-in unit in the described chamber, described plug-in unit comprises the circumferential ramps that is received in the described passage, and the described passage that has along the cross sectional area that circumferentially changes in order to provide is provided wherein said circumferential ramps.
2. fan component according to claim 1, wherein said inclined-plane comprise that angled surface and described passage comprise lower surface, and the angled surface on described inclined-plane is set up angled with respect to described channel bottom surface.
3. fan component according to claim 2, wherein said angle edge is constant circumferentially.
4. fan component according to claim 1, wherein said angle changes according to circumferential position.
5. fan component according to claim 1, wherein said plug-in unit are set between described fan and the described end frame.
6. fan component according to claim 1, wherein said circumferential ramps do not extend the whole circumference that reaches described passage and limit the circumferential and described register of certain clearance and edge, described gap thus.
7. fan component according to claim 6, wherein said passage comprises that lower surface and described circumferential ramps comprise upper end portion and underpart, and described opening has first end and the second end, described upper end portion is more farther relatively than the described lower surface of described underpart distance, and described upper end portion is positioned in the position of the described first end of next-door neighbour and the position that described underpart is positioned in the described the second end of next-door neighbour.
8. fan component according to claim 1, wherein said passage comprise that at least one tab and described plug-in unit comprise that at least one is suitable for described tab and thus described plug-in unit is positioned at described indoor groove.
9. fan component according to claim 1 further comprises cornicult, and described cornicult ends at described opening and tangentially stretches out from described opening with respect to described passage.
10. fan component according to claim 1, wherein said cross sectional area streamwise circumferentially increases.
11. fan component according to claim 1 further comprises:
From the extended rotatable axle of described motor sub-assembly;
By described end frame carrying and bearing that receive described rotatable axle; With
Be set at the Sealing between described bearing and the described end frame.
12. a fan component comprises:
Cylindrical substantially and have the end frame and the plug-in unit of central axis, wherein said plug-in unit comprises the circumferential ramps that is provided with respect to described axis spirality orientation;
Link with described end frame and limit the guard shield of chamber betwixt; With
The fan that optionally is rotated under the effect of axle, described fan are set at described indoor and produce along described circumferential ramps air pressurized stream.
13. fan component according to claim 12, wherein said end frame and plug-in unit are set at the position of contiguous described fan.
14. fan component according to claim 12, wherein said end frame and plug-in unit comprise facing wall rounded and that radially stretch out from described axis, described circumferential ramps is positioned on the radially outward edge of described facing wall.
15. fan component according to claim 12, wherein said chamfered surface comprises first end and the second end, and wherein said first end is set up more farther than the described fan of described the second end distance.
16. fan component according to claim 15, the circumferential distance between wherein said first end and the described the second end limits certain clearance, the described register of described gap and described passage.
17. fan component according to claim 15, wherein said end frame and plug-in unit further comprise cornicult, and described cornicult is connected with described circumferential ramps and aligns with described circumferential ramps and described cornicult is tangentially stretched out in described circumferential ramps.
18. fan component according to claim 17, wherein said guard shield have the import that is used for sucking air when described fan rotates, and described air is discharged from and is discharged from described cornicult along described circumferential ramps.
19. fan component according to claim 12 further comprises:
By the bearing of described end frame and plug-in unit carrying, described bearing receives described rotatable axle; With
Be set at the Sealing between described bearing and described end frame and the plug-in unit.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/504,518 US20080044277A1 (en) | 2006-08-15 | 2006-08-15 | Insert for fan-motor assembly |
| US11/504518 | 2006-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101126400A true CN101126400A (en) | 2008-02-20 |
Family
ID=38955114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101409523A Pending CN101126400A (en) | 2006-08-15 | 2007-08-15 | Insert for fan-motor assembly |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20080044277A1 (en) |
| JP (1) | JP2008045557A (en) |
| CN (1) | CN101126400A (en) |
| CA (1) | CA2597194A1 (en) |
| DE (1) | DE102007038405A1 (en) |
| HR (1) | HRP20070351A2 (en) |
| IT (1) | ITMI20071662A1 (en) |
| MX (1) | MX2007009922A (en) |
| SI (1) | SI22352A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102782333A (en) * | 2010-02-04 | 2012-11-14 | 罗伯特·博世有限公司 | Centrifugal blower assembly |
| CN107654417A (en) * | 2017-10-19 | 2018-02-02 | 天津市明奥泵业有限公司 | A kind of preparation method of anti-blocking immersible pump |
| CN109672293A (en) * | 2017-10-13 | 2019-04-23 | 阿美德格公司 | Reduce motor-fan component of characteristic with improved air-flow and noise |
| CN111247345A (en) * | 2017-10-31 | 2020-06-05 | 三菱电机株式会社 | Centrifugal blower, blower device, air conditioner, and refrigeration cycle device |
| CN112922861A (en) * | 2021-01-29 | 2021-06-08 | 西安交通大学 | Compact low-rotation-speed centrifugal compressor |
| CN113123976A (en) * | 2019-12-31 | 2021-07-16 | Lg电子株式会社 | Compressor and turbo refrigerator having the same |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11131311B2 (en) | 2017-10-13 | 2021-09-28 | Ametek, Inc. | Motor-fan assembly with improved airflow and noise reduction properties |
| US10634148B2 (en) * | 2017-10-13 | 2020-04-28 | Ametek, Inc. | Motor-fan assembly with improved airflow and noise reduction properties |
| US10830244B2 (en) | 2017-10-13 | 2020-11-10 | Ametek, Inc. | Motor-fan assembly with improved airflow and noise reduction properties |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU857517A1 (en) * | 1979-09-25 | 1981-08-23 | Харьковский Ордена Ленина Политехнический Институт Им. В.И.Ленина | Turbomachine outlet pipe |
| US5076758A (en) * | 1990-07-18 | 1991-12-31 | Ingersoll-Rand Company | Centrifugal pumps |
| US5482378A (en) * | 1994-06-22 | 1996-01-09 | Ametek, Inc. | Vacuum motor bering protection system |
| US6435818B1 (en) * | 2000-08-30 | 2002-08-20 | Jakel Incorporated | Low vibration blower housing and motor mount |
| US6472786B1 (en) * | 2000-11-17 | 2002-10-29 | Ametek, Inc. | Bearing protection assembly for motors |
| US6650541B1 (en) * | 2002-06-25 | 2003-11-18 | Hewlett-Packard Development Company, L.P. | Fan-securing device for use with a heat transfer device |
| US6779974B2 (en) * | 2002-12-11 | 2004-08-24 | Polyvane Technology Corp. | Device of a volute channel of a pump |
| US6952062B1 (en) * | 2004-07-02 | 2005-10-04 | Mancl Dennis J | Seal and bearing assembly for a motor |
-
2006
- 2006-08-15 US US11/504,518 patent/US20080044277A1/en not_active Abandoned
-
2007
- 2007-08-07 HR HR20070351A patent/HRP20070351A2/en not_active Application Discontinuation
- 2007-08-09 IT IT001662A patent/ITMI20071662A1/en unknown
- 2007-08-13 CA CA002597194A patent/CA2597194A1/en not_active Abandoned
- 2007-08-14 DE DE102007038405A patent/DE102007038405A1/en not_active Withdrawn
- 2007-08-14 SI SI200700197A patent/SI22352A/en not_active IP Right Cessation
- 2007-08-15 CN CNA2007101409523A patent/CN101126400A/en active Pending
- 2007-08-15 JP JP2007211937A patent/JP2008045557A/en not_active Withdrawn
- 2007-08-15 MX MX2007009922A patent/MX2007009922A/en not_active Application Discontinuation
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102782333A (en) * | 2010-02-04 | 2012-11-14 | 罗伯特·博世有限公司 | Centrifugal blower assembly |
| CN102782333B (en) * | 2010-02-04 | 2015-07-29 | 罗伯特·博世有限公司 | Centrifugal blower assembly |
| CN109672293A (en) * | 2017-10-13 | 2019-04-23 | 阿美德格公司 | Reduce motor-fan component of characteristic with improved air-flow and noise |
| TWI776966B (en) * | 2017-10-13 | 2022-09-11 | 美商阿美特克股份有限公司 | Motor-fan assembly with improved airflow and noise reduction properties |
| CN107654417A (en) * | 2017-10-19 | 2018-02-02 | 天津市明奥泵业有限公司 | A kind of preparation method of anti-blocking immersible pump |
| CN111247345A (en) * | 2017-10-31 | 2020-06-05 | 三菱电机株式会社 | Centrifugal blower, blower device, air conditioner, and refrigeration cycle device |
| CN113123976A (en) * | 2019-12-31 | 2021-07-16 | Lg电子株式会社 | Compressor and turbo refrigerator having the same |
| CN113123976B (en) * | 2019-12-31 | 2023-06-09 | Lg电子株式会社 | Compressor and turbine refrigerator with same |
| CN112922861A (en) * | 2021-01-29 | 2021-06-08 | 西安交通大学 | Compact low-rotation-speed centrifugal compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| SI22352A (en) | 2008-02-29 |
| ITMI20071662A1 (en) | 2008-02-16 |
| US20080044277A1 (en) | 2008-02-21 |
| JP2008045557A (en) | 2008-02-28 |
| MX2007009922A (en) | 2009-02-16 |
| CA2597194A1 (en) | 2008-02-15 |
| HRP20070351A2 (en) | 2009-03-31 |
| DE102007038405A1 (en) | 2008-02-21 |
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Application publication date: 20080220 |