WO2006025105A1 - 電動機及びそれを備えた電動送風機 - Google Patents
電動機及びそれを備えた電動送風機 Download PDFInfo
- Publication number
- WO2006025105A1 WO2006025105A1 PCT/JP2004/012618 JP2004012618W WO2006025105A1 WO 2006025105 A1 WO2006025105 A1 WO 2006025105A1 JP 2004012618 W JP2004012618 W JP 2004012618W WO 2006025105 A1 WO2006025105 A1 WO 2006025105A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- slot
- iron core
- insulator
- shaft
- insulating portion
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/26—Rotor cores with slots for windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
Definitions
- the present invention relates to an electric motor and an electric blower including the electric motor, and more particularly to an improvement in an insulating structure of an armature for the electric motor.
- Examples of conventional armatures for electric motors include the following. That is, an iron core and a commutator are press-fitted and fixed to a shaft serving as a rotation center, and an electric wire is wound around a slot formed on the outer peripheral surface of the iron core.
- the shaft is also press-fitted with an insulating end plate for maintaining insulation between the electric wire and the end face of the iron core and the rotating shaft.
- the inner diameter of the iron core, commutator, and insulating end plate is formed to be larger than the outer diameter of the shaft and smaller than the outer diameter of the shaft including the knurled streaks on the surface of the shaft.
- an electric wire wound in the slot an insulating end plate for maintaining insulation between the end surface and the shaft of the iron core, and an electric wire inserted in the slot Insulation is achieved by a slot insulator that maintains insulation between the core and the iron core.
- the insulating end plate has an opening (or notch) corresponding to the slot shape, and the opening is located at the slot position so that the insulating end plate is adjacent to both end faces of the core. Press-fitted.
- the slot insulator is processed to have substantially the same length as the width of the iron core, and is inserted into each slot.
- the insertion of the slot insulator into the slot is generally automated as described in the following steps. First, for example, a roll-shaped film material whose development width is almost the same as the inner surface width of the slot is fed into an automatic insertion machine. Next, the fed film material is cut into approximately the same length as the iron core. Next, the width direction center is bent so as to have a substantially slot shape. Then, after determining the slot position by angle according to the number of slots in the iron core, the folded film material is scanned. Insert into the lot.
- Patent Document 1 Japanese Patent Laid-Open No. 10-243594
- the iron core hardness also differs between high-power motors and low-cost motors.
- the inner peripheral surface of the iron core is inserted while the knar is pushed down, and therefore the height of the remaining knurl after the iron core press-in differs depending on the hardness of the iron core.
- the present invention has been made to solve the above-described problems, and provides an electric motor with improved assembly and insulation reliability of an armature and a blower including the electric motor. Objective.
- An electric motor of the present invention includes an iron core in which a shaft passes between opposed end surfaces and a plurality of slots along the axial direction are formed in an outer peripheral portion between the end surfaces, and one of the iron cores inserted into the shaft.
- An end surface insulating portion disposed adjacent to the end surface of the first end surface, and an insulating portion formed in a slot including a slot insulating portion extending from the periphery of the end surface insulating portion and inserted into the plurality of slots; and the slot.
- an electric wire wound around the iron core via the inserted slot insulating portion may be modified into several modes as shown in the dependent claims.
- an electric blower of the present invention includes the above-described electric motor and a fan driven by the electric motor.
- the insulator formed of the end surface insulating portion adjacent to the end surface of the iron core and the slot insulating portion inserted into the slot of the iron core is used as the armature insulating member.
- the assembly and insulation reliability of the motor including the armature are improved.
- the electric blower of the present invention uses the electric motor as a drive source for the fan, the reliability and life of the blower are improved.
- FIG. 1 is an external view of an armature before mounting an insulator according to Embodiment 1 and before winding.
- FIG. 2 is an external view of an armature after the insulator is mounted and the winding process according to the first embodiment.
- FIG. 3 is an explanatory view showing a method of fixing the shaft and the iron core in the armature of FIG. 1, wherein (a) is a sectional view of the shaft, and (b) is a front view of the shaft and the iron core press-fitted into the shaft.
- FIG. 4 is a partial cross-sectional view of the iron core showing the arrangement relationship between the iron core, the insulator and the wire.
- FIG. 5 is an external view showing an example of an electric motor according to an embodiment of the present invention.
- FIG. 6 is an external view of an armature before mounting an insulator according to a second embodiment and before winding.
- FIG. 7 is an external view of an armature before mounting an insulator according to a third embodiment and before winding processing.
- FIG. 8 is a longitudinal sectional view of the electric blower according to the embodiment of the present invention. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is an external view of an armature before mounting an insulation body and before winding processing according to Embodiment 1 of the present invention.
- This armature consists of a rotating shaft 3, an iron core 2 that is press-fitted and held on the shaft 3, an electric wire wound around the iron core 2, and insulators for maintaining insulation between the end surfaces 2 a and 2 b of the iron core 2 and the shaft 3. 1 and an insulating end plate 4 used for insulation together with the insulator 1.
- the shaft 3 passes between the opposing end surfaces 2a and 2b, and a plurality of slots 2c along the longitudinal direction (referred to as the axial direction) of the shaft 3 are formed in the outer peripheral portion between the end surfaces.
- This slot 2c is the part where the wire is wound.
- the space between the end surfaces 2a and 2b of the iron core 2 is also referred to as the width of the iron core 2.
- the insulator 1 is orthogonal to the end surface insulating portion lb from the periphery of the end surface insulating portion lb, the pipe portion la that is press-fitted into the shaft 3, the end surface insulating portion lb disposed adjacent to the end surface 2a of the iron core 2.
- the slot insulating portion lc extends in the direction and is fitted and inserted into the slot 2c of the iron core 2.
- the axial length of the slot insulating part lc is set slightly longer than the width of the iron core 2.
- the pipe portion la, the end surface insulating portion lb, and the slot insulating portion lc are press-fitted into the shaft 3 in an integrated state and attached to the iron core 2. Therefore, the pipe portion la, the end surface insulating portion lb, and the slot insulating portion l c are preferably manufactured by integral molding of resin or the like.
- the insulating end plate 4 is composed of a pipe portion 4a press-fitted into the shaft 3, and an end surface insulating portion 4b disposed adjacent to the end surface 2b of the iron core 2, and the end surface insulating portion 4b has a slot insulating portion lc and A plurality of openings (or notches) 4c corresponding to the slot 2c are formed.
- FIG. 2 is an external view of the armature after mounting the insulator according to the first embodiment and after the winding process.
- the insulator 1 is press-fitted into the shaft 3 from one end face side of the iron core 2 press-fitted into the shaft 3, and the slot insulating portion lc of the insulator 1 is inserted into the slot 2c of the iron core 2. It is in the state.
- An insulating end plate 4 is press-fitted into the shaft 3 from the other end face side of the iron core 2 and is disposed adjacent to the end face 2b of the iron core 2. Note that the end of the slot insulating part lc is in contact with or fitted to the opening of the insulating end plate 4.
- FIG. 3 is an explanatory view showing a method of fixing the shaft 3 and the iron core 2 in the armature of FIG. 1 or FIG. 2, wherein (a) is a cross-sectional view of the shaft 3, and (b) is the shaft 3 and the shaft. 3 is a front view of the iron core 2 press-fitted into 3.
- the outer periphery of the shaft 3 is formed with a plurality of convex portions (about four in this example) of about 0.01 to 0.2 mm along the axial length direction. This streaky convex part is called Nar 6.
- FIG. 4 is a partial cross-sectional view of the iron core 2 showing an arrangement state of the iron core 2, the insulator 1 and the wire 8.
- the slot insulating part lc of the insulator 1 is fitted and inserted into the slot 2c of the iron core 2.
- An electric wire 8 is wound around each slot 2c via the slot insulating portion lc. Thereby, the insulation between the iron core 2 and the electric wire 8 is maintained.
- the insulator 1 includes a pipe portion la for maintaining insulation between the electric wire 8 and the shaft 3, an end surface insulating portion lb for maintaining insulation between the electric wire 8 and the end surface 2a of the iron core 2. It is constituted by a slot insulating part lc for maintaining insulation between the electric wire 8 and the slot 2c of the iron core 2, and they are integrally formed.
- the inner diameter of the pipe part la is larger and the wall thickness is 0.5-2 mm.
- the insulating end plate portion lb is formed to have a thickness of 0.1 to 0.5 mm, and a slot insulating portion lc having a plurality of concave surfaces that fit into the slot 2c is formed around the insulating end plate portion lb.
- the slot insulating part lc is formed with a thickness of 0.5-2 mm, and its axial length is longer than the width of the iron core 2 by, for example, 0.5 mm or more. Further, as shown in FIG. 4, the slot insulating portions lc are formed in substantially the same cross-sectional shape as the slots 2c of the iron core 2, and are formed in the same number as the slots 2c at the same interval in the circumferential direction.
- the insulating end plate 4 includes a pipe portion 4a for maintaining insulation between the wound electric wire 8 and the shaft 3, and an end surface insulation for maintaining insulation between the electric wire 8 and the end surface 2b of the iron core 2. Part 4b.
- the inner diameter of the pipe 4a is shown in Fig. 3.
- the wall thickness larger than bl is 0.5-2mm.
- the end surface insulating portion 4b is formed with a thickness of 0.5 to 2 mm, and an opening 4c corresponding to the slot insulating portion lc and the slot 2c is formed. Note that the noise 4a and the end face insulation 4b Is preferably integrally molded from the same resin.
- the inner diameter of the iron core 2 is larger than the outer diameter ⁇ a of the shaft 3 and smaller than the outer diameter ⁇ b of the shaft 3 including the knurling 6, and the iron core 2 passes through the knurling 6.
- the shaft 3 is securely press-fitted and held.
- the slot insulating portion lc of the insulator 1 is inserted into the end face 2a side force slot 2c, and the insulator 1 Insert until the end face insulation lb is adjacent to the end face 2a of the iron core 2. Furthermore, the insulating end plate 4 is inserted into the shaft 3 from the side opposite to the side where the insulator 1 is inserted, until it is adjacent to the end surface 2b of the iron core 2, and slot insulation is provided in the opening 4c of the insulating end plate 4. Insert the tip of part lc.
- the axial length of the slot insulating part lc in the insulator 1 is formed to be about 0.5 mm longer than the width of the iron core 2, and the end of the slot insulating part lc is in contact with the opening 4c of the insulating end plate 4 or It is designed to fit. As a result, the iron core 2 is sandwiched between the insulator 1 and the insulating end plate 4.
- the commutator 4 is press-fitted and fixed to the shaft 3, and the electric wire 8 is wound around the slot 2 c of the iron core 2, thereby forming the armature 16 as shown in FIG.
- An electric motor can be configured by using the armature 16 manufactured as described above as a rotor and combining it with a stator.
- FIG. 5 shows an example of an electric motor provided with an armature 16, in which a stator 15 is arranged around the iron core 2 of the armature 16.
- the electric motor manufactured as described above has the following effects due to the characteristics of the armature that constitutes the electric motor.
- the pipe portion la, the insulating end plate lb, and the slot insulating portion lc are integrally formed in accordance with the shape of the iron core 2 before being inserted into the shaft 3. That is, the insulator 1 in which the end surface insulating portion lb adjacent to the end surface 2a of the iron core 2 and the slot insulating portion lc inserted into the slot 2c of the iron core 2 are integrally formed is used as an armature insulating member. For this reason, when the insulator 1 is mounted on the iron core 2, there is no need for the process of indexing the slot position at a high speed according to the number of slots, which has been performed in the past. Disappear.
- the slot insulating portion lc is fixed so that the tip thereof is adjacent to or fitted into the opening 4c of the insulating end plate 4, and if the insulator 1 is inserted into the slot 2c, Slot insulation lc Force S Cannot move freely in slot 2c. For this reason, even if there is a large variation in the diameter of the shaft 3 including the remaining knurl 6a after the iron core press-fitting, the insulator 1 will not rotate and move before the winding.
- the insulator 1 can be stably attached to the iron core 2, and a wide variety of materials can be used depending on the iron loss performance. Can be selected.
- FIG. 6 is an external view of the armature before the insulator mounting and the winding process according to the second embodiment of the present invention.
- two insulators 9 are employed in place of the insulator 1 and the insulating end plate 4 of the first embodiment.
- the insulator 9 includes a pipe portion 9a for maintaining insulation between the wound electric wire and the shaft 3, an end surface insulating portion 9b for maintaining insulation between the electric wire and the end surface 2a or 2b of the iron core 2, and the electric wire.
- a slot insulating portion 9c for maintaining the insulation of the slot 2c of the iron core 2 is formed, and these are formed in a body.
- the axial length of the slot insulating portion 9c is set to half the axial length of the slot insulating portion lc in the first embodiment, and the two insulators 9 have the same shape.
- the length in the axial direction of the slot insulating part lc may be divided by an arbitrary ratio.
- the inner diameter of the pipe portion 9a is larger than ⁇ i> bl, and the thickness is 0.5-2 mm.
- the insulating end plate portion 9b is formed with a thickness of 0.5-2 mm, and a number of recesses corresponding to the slots 2c are formed around it.
- the slot insulating portion 9c is extended from the concave portion of the edge plate portion 9b in a direction perpendicular to the edge plate portion 9b, and is formed so that its axial length is approximately half the width of the iron core.
- the thickness is, for example, 0.2-lmm.
- the slot insulating portions 9c are formed so that the cross-sectional shape thereof is substantially the same as that of the slot 2c of the iron core 2, and the same number and the same interval in the circumferential direction as the slot 2c of the iron core 2.
- a method for manufacturing the armature of the second embodiment is as follows. First, the press-fitting of the iron core 2 into the shaft 3 is performed in the same manner as described in the first embodiment. Next, while inserting one of the insulators 9 into the shaft 3 on which the iron core 2 is mounted, the slot insulating portion 9c is inserted into the slot 2c with the end surface 2a side force of the iron core 2, and the end surface insulating portion 9b is inserted into the core end surface. Insert until adjacent to 2a.
- the slot insulator 9c is inserted into the core 2 Insert from the end face 2b side into the slot 2c until the end face insulating portion 9b is adjacent to the core end face 2b.
- the iron core is sandwiched between the two insulators 9 and the two opposing slot insulating portions 9c are joined in the vicinity of the axial center in the slot 2c.
- the component can be made common It is possible to reduce costs and simplify assembly.
- FIG. 7 is an external view of the armature before the insulator mounting and the winding process according to the third embodiment of the present invention.
- two insulators 10 and 11 are employed in place of the insulator 1 and the insulating end plate 4 of the first embodiment.
- the insulator 10 includes a pipe portion 10a for maintaining insulation between the wound electric wire and the shaft 3, an end surface insulating portion 10b for maintaining insulation between the electric wire and the end surface 2a or 2b of the iron core 2, and an electric wire. And a slot insulating portion 10c for maintaining insulation between the slot 2c of the iron core 2 and is integrally formed of resin or the like.
- the inner diameter of the pipe portion 10a is larger than that in Fig. 3, and the thickness is 0.5-2mm.
- the end face insulating portion 10b is formed with a thickness of 0.5-2 mm, and a recess corresponding to the slot 2c of the iron core 2 is formed around the end face insulating portion 10b.
- the slot insulating portion 10c extends from the recess of the end surface insulating portion 10b in a direction perpendicular to the end surface insulating portion 10b, and has a cross-sectional shape that is substantially the same as the slot 2c of the iron core 2 and has an axial length. For example, it is longer than the width of the iron core 2 by about 0.5 mm.
- the slot insulating portions 10c are formed at every other recess through the empty slot insulating portions 10d that are not formed in all the recesses of the end surface insulating portion 10b. Further, the thickness of the slot insulating portion 10c is, for example, 0.2 1 lmm 3.
- the insulator 11 is used as a pair with the insulator 10, and a slot insulating portion 11 c is formed in a portion of the insulator 10 facing the empty slot insulating portion 10 d, and the slot insulating portion 10 of the insulator 10 is formed.
- An empty slot insulating part l id is formed in a part facing c.
- the insulator 11 has the same configuration as the insulator 10.
- the press-fitting of the iron core 2 into the shaft 3 is performed in the same manner as described in the first embodiment.
- the slot insulating portion 10c of the end surface 2a side force of the iron core 2 is also applied to the slot 2c, and the end surface insulating portion 10b is adjacent to the end surface 2a. Buy until you do.
- the slot insulating portion 11c is transferred from the end surface 2b side of the iron core 2 to the slot 2c, and the end surface insulating portion l ib is the end surface 2b. Insert until it is adjacent. At that time, the slot insulating portion 10c and the slot insulating portion 11c are inserted into the slot 2c alternately.
- the tip of the slot insulating portion 10c is in contact with or fitted into the recess of the empty slot insulating portion id, and the tip of the slot insulating portion 11c is in contact with or fitted into the recess of the empty slot insulating portion 10d.
- the slot insulating portions 10c and 11c are formed every other recess, but they may be arranged every two or more recesses.
- the material for the insulators 1, 9, 10, 11 and the insulating end plate 4 in each of the above-described embodiments a resin is preferable, and a resin excellent in heat resistance and moldability such as PET or PBT is particularly preferable. Masle.
- the pipe portions, end surface insulating portions, and slot insulating portions of the insulators 1, 9, 10, and 11 are particularly preferably integrally molded from the same resin.
- the slot insulating portion is a member having excellent pressure resistance (for example, Polyester film), and it can be integrated by bonding it to the end surface insulating part by bonding or fitting.
- the thickness values of the insulators 1, 9, 10, 11 and the insulating end plate 4 shown in the above embodiments are merely examples, and are not limited to these thicknesses.
- FIG. 8 is a longitudinal sectional view of an electric blower according to Embodiment 4 of the present invention.
- This electric blower includes an electric motor equipped with the armature described in any of Embodiments 1 to 3. Thus, the fan for blowing is driven.
- the electric blower illustrated in FIG. 8 includes a fan cover 20, a suction port 12 provided in the center of the fan cover 20, a blower fan 13 provided on the shaft 3, and guide vanes that guide air sent by the blower fan 13. 14, the stator 15 and the armature 16 constituting the electric motor, the frame 17 for fixing the electric motor 16, the exhaust port 18 provided in the frame 17, the carbon brush 19, the commutator 4, and the like.
- the armature 16 is the armature 16 shown in FIG.
- the electric blower is an insulator of the armature 16 (pipe part la, end face insulating part lb and slot insulation part lc) i. It is formed integrally in advance by, for example, integral molding or bonding, and is in close contact with the iron core. is there. Therefore, even if the dust from the worn carbon brush 19 is turbulent and adheres to the armature 16 due to the airflow flowing from the air inlet 12, the dielectric breakdown caused by the penetration between the iron core and the insulator is suppressed. Thus, the reliability of the blower can be improved and the service life can be extended.
- Insulator according to Embodiment 1 la pipe part, lb end face insulating part, lc slot insulating part, 2 iron core, 2a, 2b core end face, 2c core slot, 3 shaft, 4 insulating end plate, 4a Pipe, 4b end face insulation, 4c opening, 5 commutator, 6, 6a nar, 8 wires, 9 insulator according to embodiment 2, 9a pipe, 9b end face insulation, 9c slot insulation, 10 , 11 Insulator according to Embodiment 3, 10a, 11a Pipe part, 10b, l ib End face insulation part, 10c, 11c Slot insulation part, 10d, l id Empty slot insulation part, 12 Inlet, 13 Fan, 1 4 Guide vane, 15 Stator, 16 Armature, 17 Motor frame, 18 Exhaust port, 19 Force one-bon brush, 20 Fan cover.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004800100733A CN100364212C (zh) | 2004-09-01 | 2004-09-01 | 电动机及具有该电动机的电动送风机 |
JP2006531213A JP4498358B2 (ja) | 2004-09-01 | 2004-09-01 | 電動機及びそれを備えた電動送風機 |
PCT/JP2004/012618 WO2006025105A1 (ja) | 2004-09-01 | 2004-09-01 | 電動機及びそれを備えた電動送風機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/012618 WO2006025105A1 (ja) | 2004-09-01 | 2004-09-01 | 電動機及びそれを備えた電動送風機 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006025105A1 true WO2006025105A1 (ja) | 2006-03-09 |
Family
ID=35999769
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/012618 WO2006025105A1 (ja) | 2004-09-01 | 2004-09-01 | 電動機及びそれを備えた電動送風機 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP4498358B2 (ja) |
CN (1) | CN100364212C (ja) |
WO (1) | WO2006025105A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013141349A (ja) * | 2011-12-29 | 2013-07-18 | Mitsubishi Electric Corp | 電動機用絶縁体、電動機用シャフト、電動機、電動送風機 |
US9438079B2 (en) | 2012-05-23 | 2016-09-06 | Black & Decker Inc. | Armature end insulator for a power tool motor |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102157995A (zh) * | 2011-04-13 | 2011-08-17 | 康平科技(苏州)有限公司 | 机电转子 |
CN108768004A (zh) * | 2018-05-30 | 2018-11-06 | 广东威灵电机制造有限公司 | 电机定子和电机 |
CN108462264A (zh) * | 2018-05-30 | 2018-08-28 | 广东威灵电机制造有限公司 | 电机定子和电机 |
DE102022123790A1 (de) * | 2022-09-16 | 2024-03-21 | Valeo Eautomotive Germany Gmbh | Verbesserte Rotorisolation für einen Rotorgrundkörper eines Rotors einer elektrischen Maschine |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03235643A (ja) * | 1990-02-08 | 1991-10-21 | Mitsubishi Electric Home Appliance Co Ltd | 送風電動機 |
JP2000125497A (ja) * | 1998-10-13 | 2000-04-28 | Sanyo Denki Co Ltd | 回転電機用固定子 |
JP2001286084A (ja) * | 2000-04-03 | 2001-10-12 | Nippon Densan Corp | モータ |
-
2004
- 2004-09-01 JP JP2006531213A patent/JP4498358B2/ja not_active Expired - Fee Related
- 2004-09-01 CN CNB2004800100733A patent/CN100364212C/zh not_active Expired - Fee Related
- 2004-09-01 WO PCT/JP2004/012618 patent/WO2006025105A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03235643A (ja) * | 1990-02-08 | 1991-10-21 | Mitsubishi Electric Home Appliance Co Ltd | 送風電動機 |
JP2000125497A (ja) * | 1998-10-13 | 2000-04-28 | Sanyo Denki Co Ltd | 回転電機用固定子 |
JP2001286084A (ja) * | 2000-04-03 | 2001-10-12 | Nippon Densan Corp | モータ |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013141349A (ja) * | 2011-12-29 | 2013-07-18 | Mitsubishi Electric Corp | 電動機用絶縁体、電動機用シャフト、電動機、電動送風機 |
US9438079B2 (en) | 2012-05-23 | 2016-09-06 | Black & Decker Inc. | Armature end insulator for a power tool motor |
Also Published As
Publication number | Publication date |
---|---|
CN100364212C (zh) | 2008-01-23 |
JPWO2006025105A1 (ja) | 2008-05-08 |
JP4498358B2 (ja) | 2010-07-07 |
CN1792017A (zh) | 2006-06-21 |
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