CN1306896C - Method for forming metal dust-collecting assembly driven by micromotor and its connecting structure - Google Patents
Method for forming metal dust-collecting assembly driven by micromotor and its connecting structure Download PDFInfo
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- CN1306896C CN1306896C CNB2004100862175A CN200410086217A CN1306896C CN 1306896 C CN1306896 C CN 1306896C CN B2004100862175 A CNB2004100862175 A CN B2004100862175A CN 200410086217 A CN200410086217 A CN 200410086217A CN 1306896 C CN1306896 C CN 1306896C
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- fan blade
- installing plate
- wind deflector
- face
- axle sleeve
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- 239000002184 metal Substances 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000428 dust Substances 0.000 claims abstract description 39
- 238000005096 rolling process Methods 0.000 claims abstract description 10
- 239000011148 porous material Substances 0.000 claims description 25
- 230000002093 peripheral effect Effects 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 6
- 239000007769 metal material Substances 0.000 claims description 6
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 241000510091 Quadrula quadrula Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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Abstract
A method for forming a metal dust-collecting component driven by a micro-motor and a connecting structure thereof comprise a motor (1) and a dust-collecting component (53), wherein the dust-collecting component comprises an air deflector (40), a fan blade component (43) and a wind drum (51). Particularly, a shaft sleeve (48) is arranged on the shaft extension end (9) of the motor (1) in a tight fit manner; a mounting plate (42) is sleeved on the bearing seat (11) at the outer end face (12) of the bottom of the motor shell; the air deflector (40) is sleeved on the thick shaft end of the shaft sleeve (48) and fixedly connected with the mounting plate (42); a rolling bearing (45) is sleeved on the thin shaft end (15) of the shaft sleeve (48); the fan blade assembly (43) is sleeved on the thin shaft end on the outer side of the shaft sleeve (48), and the wind drum (51) covers the fan blade assembly (43). The forming method and the connecting structure can ensure that the electric dust collector with the rotating speed of less than 500 watts can run with high temperature resistance, the suction force is large, the heat dissipation is fast, and the precision of the metal dust collection component assembled on the motor is higher, the axial movement is small, and the running noise is low.
Description
Technical field the present invention relates to the dust collector structure feature, relates in particular to constructive method and the connecting structure of the metal dust suction subassembly of hand held cleaner with the micro machine driving.
The a lot of hand held cleaners of background technology prior art adopt the plastics dust suction subassembly.Its wind deflector quilt is along the shaft extension end that axially directly is set in motor field frame, make axial restraint with screw, suit plastic blade on described motor output shaft again, back cover windward drum, make described wind deflector and described wind drum melt weldering with ultrasonic wave, in order to avoid loosening at the circumference binding site.This kind structure and packaging technology are fairly simple, and cost is low, are fit to the dust catcher of micropower.But in fact the such motor one dust catcher connecting structure of prior art moves unsatisfactory.This at first is to be unfavorable for the motor heat radiation on the motor field frame because its wind deflector is set in.When especially described motor ran up, temperature rose suddenly, and the wind deflector of injection mo(u)lding and fan blade, wind drum can not bear higher temperature, so that material is softening, intensity reduces, and the bad phenomenon of operation occurs.Have, the intensity and the hardness of plastics dust suction subassembly itself are all lower again, and the precision that it is assembled on the drive motors can not be very high, thereby cause noise to increase and axial float when the high rotating speed of motor moves easily.
The summary of the invention the technical problem to be solved in the present invention is to avoid above-mentioned the deficiencies in the prior art part and proposes a kind of constructive method and connecting structure that drives metal dust suction subassembly with micro machine, with realize electric dust collector below 500 watts can high rotating speed, high temperature resistant the operation, and the ratio of precision that used metal dust suction subassembly is assemblied on the motor is higher, axial float is little, and the operation noise is also low.
The present invention solve the technical problem and is achieved by the following technical solution: propose a kind of constructive method that drives metal dust suction subassembly with micro machine, comprise that the fractional electric motor of selecting tank-like shell for use drives, and the dust suction subassembly that uses metal material comprises wind deflector, fan blade assembly and wind drum, and may further comprise the steps:
A. on the shaft extension end of described motor tank-like shell bottom, tight fit is installed axle sleeve;
B. be manufactured with the installing plate of medium pore, be placed in the medium pore of described installing plate on the bearing block at place, described housing bottom outer face, make described installing plate and described outer face fixed connection;
C. rolling bearing is inserted in vertically on the thin axle head of described axle sleeve, is close to the shaft shoulder of this axle sleeve, be coated with upper bearing (metal) glue in one week of the outer ring of described bearing outer surface again;
D. the nearly rotor-side medium pore of described wind deflector, endoporus and nearly fan blade end medium pore are arranged in order the stepped hole that forms the wind deflector center, endoporus place aperture minimum wherein, nearly rotor-side medium pore with described wind deflector is placed on the thick axle head of axle sleeve, the end face of described installing plate of make suring is close to each plane on the wind deflector, endoporus with described wind deflector is placed on the outer ring outer surface of described bearing simultaneously, make it endoporus fixed bonding with wind deflector by coating thereon bearing glue, and the outside end face that makes bearing is close to the inner face of the nearly fan blade end of wind deflector medium pore, makes wind deflector with the installing plate fixed connection simultaneously;
E. successively with the first fan blade locating ring, the first fan blade pad, and fan blade assembly, the second fan blade pad and the second fan blade locating ring be inserted on the thin axle head of axle sleeve, makes the small stair end face of described first locating ring be close to the outside end face of described bearing;
F. to be screwed into internal thread on the thin axle head of described axle sleeve be left-handed nut and give locking, and the fan blade unit firmly is installed on the shaft extension end of described motor;
G. face shield is on the fan blade assembly within wind being roused, and wind drum inner peripheral surface presses disc outside wind deflector, forms tight fit.
The present invention solve the technical problem also by coming further realization by the following technical solutions: design and produce a kind of connecting structure that drives metal dust suction subassembly with micro machine, include the fractional electric motor of tank-like shell and the dust suction subassembly of metal material, this assembly comprises wind deflector, fan blade assembly and wind drum again.Especially, on the shaft extension end of described motor field frame bottom, tight fit is equipped with axle sleeve; Be with installing plate, this installing plate and described housing bottom outer face fixed connection on the bearing block at place, described housing bottom outer face; Described wind deflector is placed on the thick axle head of described axle sleeve, and each plane, wind deflector rear portion is close to a smooth end face of described installing plate, with this installing plate fixed connection.On the thin axle head of described axle sleeve, be set with rolling bearing, its vertically within the side end face be close to the shaft shoulder of axle sleeve, then there is the fan blade assembly to be set on the thin axle head in axial more lateral of described axle sleeve, this assembly is clamped by each fan blade pad and each fan blade locating ring on bilateral symmetry ground vertically, and by left-handed nut they are compressed, this fan blade assembly is rotated with the shaft extension end of motor; The wind drum covers on the fan blade assembly, simultaneously presses outside described wind deflector disc with its inner peripheral surface and makes tight fit.
Compare with prior art, the present invention can make high rotating speed of electric dust collector and high-temperature resistant ground below 500 watts move with constructive method and the connecting structure that micro machine drives metal dust suction subassembly, and suction is big, rapid heat dissipation, and the ratio of precision that used metal dust suction subassembly is assemblied on the motor is higher, axial float is little, and the operation noise is also low.
Description of drawings Fig. 1 is that the master of the connecting structure of micro machine driving metal dust suction subassembly of the present invention looks cutaway view;
Fig. 2 is the left view of described connecting structure Fig. 1;
Fig. 3 is the partial enlarged drawing that Fig. 1 master looks cutaway view;
Fig. 4 is the front view of the used drive motors 1 of the embodiment of the invention;
Fig. 5 is described drive motors 1, the right view of Fig. 4;
Fig. 6 is the front view of the used installing plate 42 of the embodiment of the invention;
Fig. 7 is described installing plate 42, the right view of Fig. 6;
Fig. 8 is that the master of the axle sleeve 48 of the used motor 1 of the embodiment of the invention looks cutaway view;
Fig. 9 is described axle sleeve 48, the left view of Fig. 8.
The specific embodiment is described in further detail below in conjunction with the most preferred embodiment shown in each accompanying drawing: referring to Fig. 1 to Fig. 9, the present invention drives the constructive method of metal dust suction subassembly with micro machine, comprise that the fractional electric motor 1 of selecting tank-like shell for use drives, and use the dust suction subassembly 59 of metal material to comprise wind deflector 40, fan blade assembly 43 and wind drum 51, and may further comprise the steps:
A. on the shaft extension end 9 of described motor 1 tank-like shell bottom, tight fit is installed axle sleeve 48;
B. be manufactured with the installing plate 42 of medium pore 21, be placed on the bearing block 11 at 12 places, described housing bottom outer face, make described installing plate 42 and described outer face 12 fixed connections with the medium pore 21 of described installing plate 42;
C. rolling bearing 45 is inserted in vertically on the thin axle head 15 of described axle sleeve 48, is close to the shaft shoulder 16 of this axle sleeve, be coated with upper bearing (metal) glue in 57 1 weeks of the outer ring of described bearing 45 outer surface again;
D. the nearly rotor-side medium pore of described wind deflector, endoporus and nearly fan blade end medium pore are arranged in order the stepped hole that forms the wind deflector center, endoporus place aperture minimum wherein, nearly rotor-side medium pore with described wind deflector 40 is placed on the thick axle head of axle sleeve 48, the end face 27 of the described installing plate 42 of make suring be close to each plane 33,35,36 on the wind deflector 40,
38, endoporus with described wind deflector 40 is placed on the outer ring outer surface 57 of described bearing 45 simultaneously, make it endoporus fixed bonding with wind deflector 40 by coating thereon bearing glue, and the outside end face that makes bearing 45 is close to the inner face 6 of wind deflector 40 nearly fan blade end medium pores, makes wind deflector 40 with installing plate 42 fixed connections simultaneously;
E. successively with the first fan blade locating ring 50, the first fan blade pad 49, and fan blade assembly 43, the second fan blade pad 44 and the second fan blade locating ring 46 be inserted on the thin axle head 15 of axle sleeve 48, makes the small stair end face of described first locating ring 50 be close to the outside end face of described bearing 45;
F. to be screwed into internal thread on the thin axle head 15 of described axle sleeve 48 be left-handed nut 47 and give locking, and fan blade assembly 43 is fixedly mounted on the shaft extension end 9 of described motor 1;
G. with face shield within the wind drum 51 on fan blade assembly 43, wind drum 51 inner peripheral surfaces press disc outside wind deflector 40, form tight fit.
In fact, when stating steps A on the implementation, referring to Fig. 4 and Fig. 8, the axle branch of described shaft extension end 9 is wanted annular knurl, will be processed with stepped hole 13,14 in the thick axle head of described axle sleeve 48.A described axle branch annular knurl makes that the cooperation of shaft extension end 9 is tight fits, axially reasonably accurately cooperates with fan blade assembly 43 with axial location and the motor 1 that guarantees fan blade assembly 43.Described stepped hole 13,14 makes axle sleeve 48 be placed in to be difficult for causing distortion on the axle branch 9.In addition, also be processed with left hand thread on the thin axle head 15 of axle sleeve 48, can guarantee that left-handed nut 47 will it press and make assembly 53 and axle sleeve 48 tightly connect when fan blade assembly 43 rotates at a high speed.
When stating step B on the implementation, referring to Fig. 2 and Fig. 4 to Fig. 7, described installing plate 42 each raised face (RF) 29,30,31 are close to described housing bottom outer face 12, and by screw 52 by the locating hole 26,28 on this installing plate 42, described installing plate 42 removably is fixed on screwed hole P1, the P2 on the housing bottom outer face 12.In above-mentioned steps C, the axis of rolling 45 is inserted on the thin axle head 15 of described axle sleeve 48 by the tight fit requirement.In above-mentioned steps D, described installing plate 42 places in the space that each medial surface 32,34,37,39 of described wind deflector 40 rear portions surrounds, each round edge 20,17,25,22 of described each medial surface 32,34,37,39 and this installing plate 42 is adjacent, and screw in respectively on the installing plate 42 in each screwed hole 18,9,23,24 by each locating hole 2,3,4,5 on the wind deflector 40 by screw 41, make described wind deflector 40 removably be fixed on the installing plate 42.
When stating step e on the implementation, the raised face (RF) of the first fan blade pad 49 is towards installing plate 42 directions, the end that fan blade assembly 43 has a plane combines with the big step end face of described first locating ring 50, and the assembly direction of the second fan blade pad 44 and the second fan blade locating ring 46 is then opposite with described first locating ring 50 with the described first maple leaf pad 49.Finish everything, after implementing described step G, wind drum 51 peripheral corresponding wind deflector 40 peripheries evenly are pressed in described respectively this locating slot at the position of each locating slot 53,54,55,56 of distribution.The present invention is for improving the axial assembly precision of described motor 1 and dust suction subassembly 59 so adopt rolling bearing 45 when assembling drive motors 1 and dust suction subassembly 59.
The present invention referring to Fig. 1 to Fig. 9, includes the fractional electric motor 1 of tank-like shell and the dust suction subassembly 59 of metal material with the structure of micro machine driving metal dust suction subassembly, and this assembly 59 comprises wind deflector 40, fan blade assembly 43 and wind drum 51 again.Especially, on the shaft extension end 9 of described motor 1 housing bottom, tight fit is equipped with axle sleeve 48; Be with installing plate 42 on the bearing block 11 at 12 places, described housing bottom outer face, this installing plate 42 and described housing bottom outer face 12 fixed connections; Described wind deflector 40 is placed on the thick axle head of described axle sleeve 48, and each plane 33,35,36,38, wind deflector 40 rear portions is close to the end face 27 of described installing plate 42, with these installing plate 42 fixed connections; On the thin axle head 15 of described axle sleeve 48, be set with rolling bearing 45, its vertically within the side end face be close to the shaft shoulder 16 of axle sleeve 48, then fan blade assembly 43 is set on the thin axle head in axial more lateral of described axle sleeve 48, this assembly 43 is clamped by fan blade pad 49,44 and fan blade locating ring 50,46 to bilateral symmetry vertically, and by left-handed nut 47 they are compressed, make of shaft extension end 9 rotations of this fan blade assembly 43 with motor 1; Wind drum 51 covers on the fan blade assembly 43, simultaneously presses outside described wind deflector 40 disc with its inner peripheral surface and makes tight fit.
For firmly connecting drive motors 1 and dust suction subassembly 59,42 designs of described installing plate have the medium pore 21 and the locating hole 26,28 of two symmetries up and down, the periphery of installing plate 42 also is evenly distributed with screwed hole 18,19,23,24, and all is the flange design, to strengthen the bond strength of screw.In addition, the medium pore 21 of described installing plate 42 and locating hole 26,28 also design respectively the flange raised face (RF), and respectively this raised face (RF) 30,29,31 is close to motor 1 housing bottom outer face 12, has increased the area of dissipation of described motor 1.It is matched in clearance that the medium pore 21 of installing plate 42 is placed on the bearing block 11, but the design of the flange of each screwed hole 18,19,23,24 of described plate 42 peripheries then makes this installing plate 42 be fixed on firmly on the outer face 12 of motor 1 housing bottom.For making wind drum 51 cover in unlikely getting loose on the fan blade assembly 43, the periphery of described wind deflector 40 is evenly distributed with locating slot 53,54,55,56, after wind drum 51 covers on the fan blade assembly 43, the corresponding position of described wind drum 51 peripheries should be pressed into described each locating slot 53,54,55,56.
Claims (10)
1. constructive method that drives metal dust suction subassembly with micro machine, comprise that the fractional electric motor (1) of selecting tank-like shell for use drives, and the dust suction subassembly (59) that uses metal material comprises wind deflector (40), fan blade assembly (43) and wind drum (51), it is characterized in that, further comprising the steps of:
A. on the shaft extension end (9) of described motor (1) tank-like shell bottom, tight fit is installed axle sleeve (48);
B. be manufactured with the installing plate (42) of medium pore (21), be placed on the bearing block of locating described housing bottom outer face (12) (11), make described installing plate (42) and described outer face (12) fixed connection with the medium pore (21) of described installing plate (42);
C. rolling bearing (45) is inserted in vertically on the thin axle head (15) of described axle sleeve (48), is close to the shaft shoulder (16) of this axle sleeve, be coated with upper bearing (metal) glue in (57) one weeks of outer ring outer surface of described bearing (45) again;
The nearly rotor-side medium pore of D. described wind deflector (40), endoporus and nearly fan blade end medium pore are arranged in order the stepped hole that forms the wind deflector center, endoporus place aperture minimum wherein, nearly rotor-side medium pore with described wind deflector (40) is placed on the thick axle head of axle sleeve (48), the end face (27) of described installing plate (42) of make suring is close to each plane (33 on the wind deflector (40), 35,36,38), endoporus with described wind deflector (40) is placed on the outer ring outer surface (57) of described bearing (45) simultaneously, make it endoporus fixed bonding with wind deflector (40) by coating thereon bearing glue, and the outside end face that makes bearing (45) is close to the inner face (6) of the nearly fan blade end medium pore of wind deflector (40), makes the same installing plate of wind deflector (40) (42) fixed connection simultaneously;
E. successively with the first fan blade locating ring (50), the first fan blade pad (49), and fan blade assembly (43), the second fan blade pad (44) and the second fan blade locating ring (46) be inserted on the thin axle head (15) of axle sleeve (48), makes the small stair end face of described first locating ring (50) be close to the outside end face of described bearing (45);
F. to be screwed into internal thread on the thin axle head (15) of described axle sleeve (48) be left-handed nut (47) and give locking, and fan blade assembly (43) is fixedly mounted on the shaft extension end (9) of described motor (1);
G. with face shield within the wind drum (51) on fan blade assembly (43), wind drum (51) inner peripheral surface presses disc outside wind deflector (40), forms tight fit.
2. according to the described constructive method of claim 1, it is characterized in that with micro machine driving metal dust suction subassembly:
In described steps A, the axle branch of described shaft extension end (9) is wanted annular knurl, is processed with stepped hole (13,14) in the thick axle head of described axle sleeve (48).
3. according to the described constructive method of claim 1, it is characterized in that with micro machine driving metal dust suction subassembly:
In described step B, described installing plate (42) has medium pore (21) and the locating hole of two symmetries (26,28) up and down, the medium pore (21) of described installing plate (42) and locating hole (26,28) form the flange raised face (RF) on every side, this each raised face (RF) (29,30,31) is close to described housing bottom outer face (12), and by screw (52) by the locating hole (26,28) on this installing plate (42), described installing plate (42) removably is fixed on the screwed hole (P1, P2) on the housing bottom outer face (12).
4. according to the described constructive method of claim 1, it is characterized in that with micro machine driving metal dust suction subassembly:
In described step C, rolling bearing (45) is inserted on the thin bearing (15) of described bearing (48) by the tight fit requirement.
5. according to the described constructive method of claim 1, it is characterized in that with micro machine driving metal dust suction subassembly:
In described step D, described installing plate (42) places in the space that each medial surface of described wind deflector (40) rear portion (32,34,37,39) surrounds, described each medial surface (32,34,37,39) is adjacent with each round edge (20,17,25,22) of this installing plate (42), and go up each locating hole (2,3,4,5) by screw (41) by wind deflector (40) and screw in installing plate (42) respectively and go up in each screwed hole (18,19,23,24), make described wind deflector (40) removably be fixed on the installing plate (42).
6. according to the described constructive method of claim 1, it is characterized in that with micro machine driving metal dust suction subassembly:
In described step e, the raised face (RF) of the first fan blade pad (49) is towards installing plate (42) direction, the end that fan blade assembly (43) has a plane combines with the big step end face of described first locating ring (50), and the assembly direction of the second fan blade pad (44) and the second fan blade locating ring (46) is then opposite with described first locating ring (50) with the described first fan blade pad (49).
7. according to the described constructive method of claim 1, it is characterized in that with micro machine driving metal dust suction subassembly:
After carrying out described step G, wind drum (51) peripheral corresponding wind deflectors (40) periphery evenly is pressed in described respectively this locating slot at the position of each locating slot of distribution (53,54,55,56).
8. connecting structure that drives metal dust suction subassembly with micro machine, include the fractional electric motor (1) of tank-like shell and the dust suction subassembly (59) of metal material, this assembly (59) comprises wind deflector (40), fan blade assembly (43) and wind drum (51) again, it is characterized in that:
On the shaft extension end (9) of described motor (1) housing bottom, tight fit is equipped with axle sleeve (48); Be with installing plate (42) on the bearing block (11) that described housing bottom outer face (12) is located, this installing plate (42) and described housing bottom outer face (12) fixed connection; Described wind deflector (40) is placed on the thick axle head of described axle sleeve (48), and each plane, wind deflector (40) rear portion (33,35,36,38) is close to the end face (27) of described installing plate (42), with this installing plate (42) fixed connection; On the thin axle head (15) of described axle sleeve (48), be set with rolling bearing (45), its vertically within the side end face be close to the shaft shoulder (16) of axle sleeve (48), then fan blade assembly (43) is set on the thin axle head in axial more lateral of described axle sleeve (48), this assembly (43) is clamped by fan blade pad (49,44) and fan blade locating ring (50,46) to bilateral symmetry vertically, and by left-handed nut (47) they are compressed, make of shaft extension end (9) rotation of this fan blade assembly (43) with motor (1); Wind drum (51) covers on the fan blade assembly (43), presses outside described wind deflector (40) disc with its inner peripheral surface simultaneously and makes tight fit.
9. drive the connecting structure of metal dust suction subassembly according to the described micro machine of claim 8, it is characterized in that:
Described installing plate (42) has medium pore (21) and the locating hole of two symmetries (26,28) up and down, and the periphery of installing plate (42) also is evenly distributed with screwed hole (18,19,23,24), and all is the flange design, to strengthen the bond strength of screw.
10. drive the connecting structure of metal dust suction subassembly according to the described micro machine of claim 9, it is characterized in that:
The medium pore (21) of described installing plate (42) and locating hole (26,28) have the flange raised face (RF) respectively, and respectively this raised face (RF) (30,29,31) is close to motor (1) housing bottom outer face (12), has increased the area of dissipation of described motor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100862175A CN1306896C (en) | 2004-10-27 | 2004-10-27 | Method for forming metal dust-collecting assembly driven by micromotor and its connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100862175A CN1306896C (en) | 2004-10-27 | 2004-10-27 | Method for forming metal dust-collecting assembly driven by micromotor and its connecting structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1600211A CN1600211A (en) | 2005-03-30 |
| CN1306896C true CN1306896C (en) | 2007-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100862175A Expired - Fee Related CN1306896C (en) | 2004-10-27 | 2004-10-27 | Method for forming metal dust-collecting assembly driven by micromotor and its connecting structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN1306896C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101502402B (en) * | 2008-10-28 | 2012-06-27 | 郑恬晨 | Vacuum cleaner floor brush and vacuum cleaner with the vacuum cleaner floor brush |
| CN103821737B (en) * | 2013-01-31 | 2018-06-01 | 李虹杰 | A kind of brushless dust suction pump of DC low-voltage outward rotation type |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5623598A (en) * | 1979-08-01 | 1981-03-05 | Nippon Radiator Co Ltd | Fan device |
| US4767285A (en) * | 1986-04-14 | 1988-08-30 | Hitachi, Ltd. | Electric blower |
| EP0413113A2 (en) * | 1989-07-14 | 1991-02-20 | WAP Reinigungssysteme GmbH & Co. | Electronically commutated motor for vacuum cleaner and the like |
| US5332163A (en) * | 1992-01-28 | 1994-07-26 | Metabowerke Gmbh & Co. | Motor-driven machine |
| JPH08100798A (en) * | 1994-09-30 | 1996-04-16 | Rinnai Corp | Electrically driven fan |
| CN2326764Y (en) * | 1997-11-28 | 1999-06-30 | 广东美的集团股份有限公司 | Connection mechanism for feathering fan air-ducting impeller |
| JP2001304175A (en) * | 2000-04-18 | 2001-10-31 | Otis Elevator Co | Small size high power blower |
-
2004
- 2004-10-27 CN CNB2004100862175A patent/CN1306896C/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5623598A (en) * | 1979-08-01 | 1981-03-05 | Nippon Radiator Co Ltd | Fan device |
| US4767285A (en) * | 1986-04-14 | 1988-08-30 | Hitachi, Ltd. | Electric blower |
| EP0413113A2 (en) * | 1989-07-14 | 1991-02-20 | WAP Reinigungssysteme GmbH & Co. | Electronically commutated motor for vacuum cleaner and the like |
| US5394041A (en) * | 1989-07-14 | 1995-02-28 | Wap Reinigungssysteme Gmbh & Co. | Electronically commutated motor for dust exhausters, vacuum cleaners and similar devices |
| US5332163A (en) * | 1992-01-28 | 1994-07-26 | Metabowerke Gmbh & Co. | Motor-driven machine |
| JPH08100798A (en) * | 1994-09-30 | 1996-04-16 | Rinnai Corp | Electrically driven fan |
| CN2326764Y (en) * | 1997-11-28 | 1999-06-30 | 广东美的集团股份有限公司 | Connection mechanism for feathering fan air-ducting impeller |
| JP2001304175A (en) * | 2000-04-18 | 2001-10-31 | Otis Elevator Co | Small size high power blower |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1600211A (en) | 2005-03-30 |
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