CN102410231A - Pump device - Google Patents
Pump device Download PDFInfo
- Publication number
- CN102410231A CN102410231A CN2011103005323A CN201110300532A CN102410231A CN 102410231 A CN102410231 A CN 102410231A CN 2011103005323 A CN2011103005323 A CN 2011103005323A CN 201110300532 A CN201110300532 A CN 201110300532A CN 102410231 A CN102410231 A CN 102410231A
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- China
- Prior art keywords
- utmost point
- protuberance
- pump
- prominent utmost
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 25
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 13
- 238000009413 insulation Methods 0.000 claims description 77
- 238000005192 partition Methods 0.000 claims description 44
- 239000000758 substrate Substances 0.000 claims description 21
- 239000012530 fluid Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000011347 resin Substances 0.000 description 14
- 229920005989 resin Polymers 0.000 description 14
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000003872 anastomosis Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0606—Canned motor pumps
- F04D13/064—Details of the magnetic circuit
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention provides a pump device, which is capable of improving precision of a stator iron core and a magnetic sensor at the relative positions along the circumferential direction to be greater than a current precision. The pump device comprises: a stator iron core (24) forming a salient pole part (24b); a spaced wall member (28) of a spaced wall (28a) spacing apart a pump chamber and a stator (5); and a magnetic sensor (20) used for detecting a magnetic electrode formed at the outer periphery of a magnetic body for driving. An insulating member (25) installed at the stator iron core (24) comprises a front end side insulating part (25a) covering a part of the front end part of the salient pole part (24b). The outer periphery of the spaced wall (28a) is provided with a plurality of protruding parts (28h, 28j) preventing rotation of the stator (5). The lower end surface (28m) of the protruding part (28j) is formed at the upper side of the lower end surface (28k) of the protruding part (28h). The magnetic sensor is configured at the lower side of the protruding part (28j) between the front end side insulating part (25a) clamping the clamping part (28k), thereby positioning at the peripheral direction via the e front end side insulating part (25a).
Description
Technical field
The present invention relates to a kind of pump-unit that utilizes DC Brushless Motor to make the impeller rotation in the pump chamber.
Background technique
At present, utilize DC Brushless Motor that the pump-unit of the impeller rotation in the pump chamber is being widely used.As this pump-unit, known have a kind of pump-unit that disposes partition (shell), and the anti-fluid of this partition flows between the configuration position of the pump chamber that disposes impeller and rotor and stator (for example with reference to patent documentation 1).In the pump-unit that this patent documentation 1 is put down in writing, dispose stator core with the outer circumferential side of magnet across partition in the driving that constitutes rotor.On partition, be formed with and be used for positioning part unshakable in one's determination that stator core position is in a circumferential direction positioned.In addition, this pump-unit comprises and is used for driving the magnetic quantity transducer that the magnetic pole with the outer circumferential face of magnet detects to being formed at, and on partition, is formed with to be used for sensor positioning part that magnetic quantity transducer position is in a circumferential direction positioned.
Like this, in the pump-unit that patent documentation 1 is put down in writing,, therefore can improve stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction owing on partition, be formed with positioning part unshakable in one's determination and sensor positioning part.Therefore, in this pump-unit, can utilize magnetic quantity transducer to detect the relatively rotation place of rotor accurately, consequently, can improve the performance of the DC Brushless Motor that constitutes by rotor and stator with respect to stator core.
In the pump-unit that patent documentation 1 is put down in writing, the stator core with a plurality of prominent utmost point portion is integrally formed, and the driving through will being wound in bobbin is assembled stator with coil from the prominent utmost point portion that radially inner side inserts stator core.
Patent documentation 1: Japanese Patent Laid is opened the 2007-97257 communique
Like this; If improve stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction; Then can utilize magnetic quantity transducer to detect the relatively rotation place of rotor accurately, thereby can improve the performance of the DC Brushless Motor that makes the impeller rotation with respect to stator core.
Summary of the invention
Therefore, technical problem of the present invention is to provide a kind of pump-unit that utilizes DC Brushless Motor to make the impeller rotation in the pump chamber, and it can be increased to stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction more than the existing precision.
For solving the problems of the technologies described above, the characteristic of pump-unit of the present invention is to comprise: impeller; Rotor, mounted impeller and this rotor have to drive and use magnet on this rotor; Stator; This stator arrangement is in the outer circumferential side of rotor; And have driving with coil, insulating component and stator core, wherein, above-mentioned insulating component is made up of the insulating properties material; On the said stator iron core, be formed with a plurality of prominent utmost point portion, in this a plurality of prominent utmost point portion, be wound with to drive and use coil across insulating component; Pump chamber disposes impeller and rotor in this pump chamber, and fluid flows through this pump chamber; Between wall member, this wall member has partition, this partition is disposed between stator and the pump chamber, flows into the configuration position of stator to prevent the fluid in the pump chamber; And magnetic quantity transducer; This magnetic quantity transducer is used for detecting being formed at the magnetic pole that drives with the outer circumferential face of magnet; Prominent utmost point portion is outstanding towards the radially inner side of stator core; Insulating component comprises the forward end insulation division; To the dash forward part of the promptly prominent utmost point front end of front end of utmost point portion of this forward end insulation division covers to prevent prominent utmost point front end and driving contacting with coil; Partition form have bottom and a cylindrical part the round-ended cylinder shape roughly arranged, and be configured to make cylindrical part to cover the outer circumferential face of driving with magnet, on the outer circumferential face of cylindrical part, be formed with a plurality of protuberances; These a plurality of protuberances can prevent the rotation of stator with the end face butt on the circumferencial direction at rotor of end face on the circumferencial direction of rotor and/or forward end insulation division of prominent utmost point front end; The bottom side of protuberance from the opening side of partition towards partition extends, and is disposed between a plurality of prominent utmost point front ends and/or the forward end insulation division, at least one protuberance in a plurality of protuberances be the end face of the bottom side of protuberance form than the end face of the bottom side of other protuberance more near first protuberance of the opening side of partition; Magnetic quantity transducer is configured in the position of more leaning on bottom side than first protuberance between prominent utmost point front end that clips the configuration of first protuberance and/or forward end insulation division, thereby locatees in a circumferential direction through prominent utmost point front end and/or forward end insulation division.
In pump-unit of the present invention, magnetic sensor configuration between prominent utmost point front end that clips first protuberance configuration and/or forward end insulation division, thereby locate in a circumferential direction through prominent utmost point front end and/or forward end insulation division.That is, magnetic quantity transducer is located through the forward end insulation division of the part covering of the prominent utmost point front end that constitutes stator core and/or the utmost point front end of will dashing forward in a circumferential direction.Therefore, compare, can improve stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction with the pump-unit of putting down in writing in the patent documentation 1.Promptly; In the pump-unit that patent documentation 1 is put down in writing; Because of the relative positional accuracy of the positioning part unshakable in one's determination that is formed at partition and sensor positioning part may make stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction reduce; But in the present invention; Part through stator core or the forward end insulation division that the part of stator core covers made directly location in a circumferential direction of magnetic quantity transducer, therefore, stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction is difficult for reduction.Like this, in the present invention, can stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction be increased to more than the existing precision.At this moment; If the end face butt on the protuberance that forms on the outer circumferential face of cylindrical part and the front end of two prominent utmost point portions adjacent one another are are promptly dashed forward the circumferencial direction at rotor of utmost point front end; Confirm prominent utmost point front end position in a circumferential direction with the protuberance that forms on the outer circumferential face that is utilized in cylindrical part, then can further improve stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction.
In addition; In the present invention; The end face of the bottom side of first protuberance is formed at the partition opening side of the bottom side end face of other protuberance; Magnetic sensor configuration is located in the bottom side of first protuberance and through prominent utmost point front end and/or forward end insulation division in a circumferential direction, therefore, need not the structure that is used in a circumferential direction magnetic quantity transducer being positioned is located at partition.Therefore, in the present invention, can simplify the structure of partition.
In the present invention, comparatively it is desirable to, magnetic sensor configuration between the forward end insulation division that clips first protuberance configuration, thereby locate in a circumferential direction through the forward end insulation division.In this case; Even if utilization is partly cut a plurality of iron cores of cutting apart that form by each prominent utmost point and is constituted stator core; Magnetic quantity transducer also can be clamped in to be located between two forward end insulation divisions of cutting apart insulating component unshakable in one's determination adjacent one another are, thereby can locate in a circumferential direction through the forward end insulation division.Because insulating component is for example formed by resin, therefore, when adopting this structure, can prevent the forward end insulation division damage magnetic quantity transducer that magnetic quantity transducer is positioned.
In the present invention, comparatively it is desirable to, the width of magnetic quantity transducer substantially equates with width between the forward end insulation division that clips first protuberance configuration.When adopting this structure, be not used for special shape that magnetic quantity transducer is positioned even if the shape of forward end insulation division is not formed, also can utilize the end face in a circumferential direction of forward end insulation division to carry out magnetic quantity transducer location in a circumferential direction.Therefore, can simplify the structure of insulating component.
In the present invention, comparatively it is desirable to the end face butt of the bottom side of the magnetic quantity transducer and first protuberance.When adopting this structure and since can utilize the end face of first protuberance carry out magnetic quantity transducer rotor axially on the location, therefore need not to be used to carry out the structure of magnetic quantity transducer location in the axial direction.Therefore, can simplify the structure of pump-unit.
In the present invention, comparatively it is desirable to, stator core constitutes by partly cut a plurality of iron cores of cutting apart that form by each prominent utmost point.Particularly, stator core comprises: the circular annulus portion that constitutes the outer circumferential face of this stator core; And, partly cut to constitute by each above-mentioned prominent utmost point through the peripheral part that will constitute above-mentioned annulus portion and cut apart iron core from side-prominent a plurality of above-mentioned prominent utmost point portion in radially of this annulus portion.When adopting this structure; The situation of assembling stator from the prominent utmost point portion that radially inner side inserts integrally formed stator core with coil with the driving through will being wound in bobbin as record in the above-mentioned patent documentation 1 relatively can increase the driving that is wound in the utmost point portion of the dashing forward coiling number of turns with coil.
In the present invention; Comparatively it is desirable to; Partition comprises the lip part that enlarges from the opening side end court outside radially of cylindrical part; Between wall member comprise periphery wall roughly cylindraceous portion, this periphery wall portion is disposed at the outer circumferential side of cylindrical part and erects towards bottom side from lip part, cuts apart outer circumferential face unshakable in one's determination and contacts with the inner peripheral surface of periphery wall portion with the contact pressure of regulation.When adopting this structure, can utilize the periphery wall portion that is formed at a wall member to keep stator core.Therefore, need not to be provided for separately keeping the member of stator core, thereby can simplify the structure of pump-unit.
In the present invention, comparatively it is desirable to, insulating component with cut apart unshakable in one's determination one-body molded.When adopting this structure, can utilize insulating component to cover accurately and cut apart surface unshakable in one's determination.In addition, in the present invention, comparatively it is desirable to; Substrate to the terminal that connects magnetic quantity transducer; Be pre-formed in the bottom of partition and fixingly use projection with projection with locating, wherein, said fixing is used for aforesaid substrate is fixed in a wall member with projection; Above-mentioned location is used for aforesaid substrate is positioned with projection, and substrate is fixed in the bottom of partition under through the fixing state that has carried out with projection locating with projection and location.
As stated, in pump-unit of the present invention, can stator core and magnetic quantity transducer relative positional accuracy in a circumferential direction be increased to more than the existing precision.
Description of drawings
Fig. 1 is the sectional view of the pump-unit of embodiment of the present invention.
Fig. 2 representes that from underside side stator shown in Figure 1 is fixed in the stereogram of the state of a wall member.
Fig. 3 is that stator shown in Figure 1 is fixed in the worm's eye view under the state of a wall member.
Fig. 4 is the exploded perspective view of the state after stator shown in Figure 2, a wall member and magnetic quantity transducer are decomposed in expression.
Fig. 5 is the stereogram of stator shown in Figure 4.
Fig. 6 is illustrated in shown in Figure 5 cutting apart to be wound with the stereogram that drives with the state of coil on the iron core.
Fig. 7 is the stereogram unshakable in one's determination of cutting apart shown in Figure 6.
Fig. 8 is the E portion enlarged view of Fig. 3.
Fig. 9 is the F portion enlarged view of Fig. 8.
Figure 10 is the sectional view in the G-G cross section of Fig. 3.
Figure 11 from other direction represent shown in Figure 4 between the stereogram of wall member.
(symbol description)
1 pump-unit
2 impellers
4 rotors
5 stators
9 pump chambers
Magnet is used in 14 drivings
20 magnetic quantity transducers
Coil is used in 23 drivings
24 stator cores
The 24b utmost point portion of dashing forward
24c is cut apart iron core
The 24e utmost point front end of dashing forward
The end face in a circumferential direction of the prominent utmost point front end of 24n
25 insulating components
25a forward end insulation division
The end face in a circumferential direction of 25d forward end insulation division
28 wall members
The 28a partition
28b periphery wall portion
The 28c cylindrical part
The 28d bottom
The 28e lip part
The 28h protuberance
The lower end surface of 28k protuberance (end face of the bottom side of protuberance)
28j protuberance (first protuberance)
The lower end surface of 28m protuberance (end face of the bottom side of protuberance)
Embodiment
Below, with reference to accompanying drawing mode of execution of the present invention is described.
(schematic construction of pump-unit)
Fig. 1 is the sectional view of the pump-unit 1 of embodiment of the present invention.In following explanation, the upside (Z1 direction side) of Fig. 1 is made as " on " side, the downside (Z2 direction side) of Fig. 1 is made as the D score side.
The pump-unit 1 of this mode of execution is the pump that is called as the canned pump formula, comprises impeller 2 and the DC Brushless Motor 3 that makes these impeller 2 rotations (below be called " motor 3 ").Motor 3 is made up of rotor 4 and stator 5.Impeller 2 and motor 3 are disposed at the inside of the housing that is made up of shell 6 and upper shell 7 that the top of shell 6 is covered.Shell 6 is fixed to one another by screw 8 with upper shell 7.
On upper shell 7, be formed with the 7a of suction portion of fluid and the 7b of discharge portion of fluid.Between shell 6 and upper shell 7, be formed with pump chamber 9, this pump chamber 9 supplies to flow through towards the 7b of discharge portion from the fluid that the 7a of suction portion sucks.In addition, the anastomosis part between shell 6 and upper shell 7 disposes the sealing component (O shape ring) 10 of the sealing that is used to guarantee pump chamber 9.
Rotor 4 comprises: drive the retaining member 16 that keeps with magnet 14 and sleeve 15 with magnet 14, sleeve cylindraceous 15, to driving.Retaining member 16 forms flanged roughly cylindric.Drive the outer circumferential side that is fixed in retaining member 16 with magnet 14, sleeve 15 is fixed in interior all sides of retaining member 16.On the lip part 16a of the retaining member that is disposed at upside 16, be fixed with impeller 2.Impeller 2 and rotor 4 are disposed at the inside of pump chamber 9.
Rotor 4 axle that is fixed 17 is supported to and can rotates.Stationary axle 17 with above-below direction as axially the configuration.That is, above-below direction is the axial of rotor 4.The upper end of stationary axle 17 remains in upper shell 7, and the lower end of stationary axle 17 remains in shell 6.Stationary axle 17 inserts interior all sides of sleeve 15.In addition, on stationary axle 17, two thrust-bearing members 18 are installed with the mode of clamping sleeve 15 along the vertical direction.In this mode of execution, sleeve 15 works as the radial bearing of rotor 4, and sleeve 15 and thrust-bearing member 18 work as the thrust-bearing of rotor 4.
In addition, pump-unit 1 comprises and is used for driving the magnetic quantity transducer 20 (with reference to Fig. 4) that the magnetic pole with the outer circumferential face of magnet 14 detects to being formed at.Below, the structure of stator 5, the structure of shell 6 and the configuration of magnetic quantity transducer 20 are described.
(structure of stator)
Fig. 2 representes that from underside side stator shown in Figure 15 is fixed in the stereogram of the state of a wall member 28.Fig. 3 is that stator 5 shown in Figure 1 is fixed in the worm's eye view under the state of a wall member 28.Fig. 4 is the exploded perspective view of the state after stator shown in Figure 25, a wall member 28 and magnetic quantity transducer 20 are decomposed in expression.Fig. 5 is the stereogram of stator 5 shown in Figure 4.Fig. 6 is wound with the stereogram that drives with the state of coil 23 in shown in Figure 5 cutting apart on the 24c unshakable in one's determination.Fig. 7 is a stereogram of cutting apart 24c unshakable in one's determination shown in Figure 6.Fig. 8 is the E portion enlarged view of Fig. 3.Fig. 9 is the F portion enlarged view of Fig. 8.
Stator core 24 is the range upon range of and laminate cores that form of the thin magnetic sheet that is made up of magnetic material.This stator core 24 comprises: the roughly circular 24a of annulus portion that constitutes the outer circumferential face of stator core 24; And from the 24a of annulus portion towards radially in the side-prominent a plurality of prominent utmost point 24b of portion.In addition, stator core 24 is a plurality ofly cut apart 24c unshakable in one's determination and is constituted by what be split to form by each prominent utmost point 24b of portion.The stator core 24 of this mode of execution is cut apart 24c unshakable in one's determination by six and is constituted.
As shown in Figure 7, cut apart 24c unshakable in one's determination and constitute by prominent 24b of utmost point portion and the peripheral part 24d that constitutes the part of the 24a of annulus portion.The prominent 24b of utmost point portion is made up of with the linking department 24f that peripheral part 24d links together the promptly prominent utmost point front end 24e of the front end of the prominent 24b of utmost point portion and the utmost point front end 24e that will dash forward, when when above-below direction is observed, and the roughly T shape that is shaped as of the 24b of utmost point portion that dashes forward.More specifically, prominent utmost point front end 24e forms roughly circular-arc that both sides from the medial extremity of the linking department 24f that forms straight line shape towards circumferencial direction enlarge.The inner peripheral surface of the prominent 24e of utmost point portion across after state partition 28a and with drive relative with the outer circumferential face of magnet 14.
Insulating component 25 is formed by the resin material with insulating properties.In addition, insulating component 25 is with to cut apart 24c unshakable in one's determination one-body molded.This insulating component 25 for prevent to drive with coil 23 with cut apart will dash forward outer circumferential side, the linking department 24f of utmost point front end 24e, interior all sides of peripheral part 24d of contacting of 24c unshakable in one's determination and cover.Promptly; Like Fig. 1, shown in Figure 6; Insulating component 25 is made up of forward end insulation division 25a, outer circumferential side insulation division 25b and binding insulation division 25c; Wherein, Above-mentioned forward end insulation division 25a will cover except other part of the prominent utmost point front end 24e the dash forward inner peripheral surface of utmost point front end 24e and the both end sides in a circumferential direction, and above-mentioned outer circumferential side insulation division 25b is with the inner peripheral surface of peripheral part 24d and the part covering of both ends of the surface up and down, and above-mentioned binding insulation division 25c covers linking department 24f and forward end insulation division 25a and outer circumferential side insulation division 25b are linked together.
When above-below direction was observed, being shaped as of forward end insulation division 25a was roughly circular-arc.In addition, forward end insulation division 25a extends towards the both sides on the above-below direction from the utmost point front end 24e that dashes forward.The end face 24n in a circumferential direction of prominent utmost point front end 24e is more outstanding than the end face 25d in a circumferential direction of forward end insulation division 25a.When above-below direction was observed, being shaped as of outer circumferential side insulation division 25b was roughly circular-arc.In addition, extend the both sides of outer circumferential side insulation division 25b on from peripheral part 24d towards above-below direction.The end face 24g in a circumferential direction of peripheral part 24d, 24j give prominence to than the end face 25e of outer circumferential side insulation division 25b.
Be wound with to drive and cut apart 24c unshakable in one's determination with a plurality of under the state of coil 23 and cut apart the end face 24j butt of 24c unshakable in one's determination with an adjacent end face 24g of cutting apart 24c unshakable in one's determination on the circumferencial direction with another and make a mode that protuberance 24h engages with another engaging recessed part 24k of cutting apart 24c unshakable in one's determination of engaging of cutting apart 24c unshakable in one's determination be combined into roughly cylindricly, and state interior all sides of the 28b of periphery wall portion after being fixed in.
(structure of shell and the configuration of magnetic quantity transducer)
Figure 10 is the sectional view in the G-G cross section of Fig. 3.Figure 11 from other direction represent shown in Figure 4 between the stereogram of wall member 28.
As shown in Figure 1; Shell 6 comprises a wall member 28 and resinous resin component element 29; Wherein, Above-mentioned wall member 28 has partition 28a, and this partition 28a is disposed between pump chamber 9 and the stator 5 with the mode that pump chamber 9 and stator 5 are separated, above-mentioned resin component element 29 will between the lower surface and the side of wall member 28 cover.Between wall member 28 form by resin.In addition, except partition 28a, a wall member 28 also comprises the periphery wall 28b of portion roughly cylindraceous of the outer circumferential side that is disposed at partition 28a.
In the bottom lower surface of 28d be formed be used for substrate 30 be fixed in a wall member 28 fixing with projection 28f be used for projection 28g is used in the location that substrate 30 positions.As shown in Figure 1, substrate 30 is threaded into the lower face side that fixing screw 31 with projection 28f is fixed on bottom 28d under being fixed with projection 28f and the location state with projection 28g location.On substrate 30, be connected with the terminal of magnetic quantity transducer 20.In addition, on substrate 30, be connected with terminal pins 26,30 courts drive with coil 23 supplying electric currents from substrate.In this mode of execution, after stator 5 is fixed in a wall member 28, the substrate under the state that magnetic quantity transducer 20 is installed 30 is fixed in bottom 28d.
Like Fig. 4, shown in Figure 11, be formed with towards outstanding a plurality of protuberance 28h, the 28j in the outside radially at the outer circumferential face of cylindrical part 28c.In this mode of execution, six protuberance 28h, 28j form with the equal angles spacing.Protuberance 28h, 28j form at upper and lower upwardly extending elongated rectangular-shaped.Length on the above-below direction of three protuberance 28h among six protuberance 28h, the 28j is longer than the length on the above-below direction of remaining three protuberance 28j.Particularly, protuberance 28h is formed at from the whole zone of upper end to the lower end of cylindrical part 28c.On the other hand, protuberance 28j forms from the upper end of cylindrical part 28c, but is not formed up to the lower end of cylindrical part 28c.That is, the lower end surface 28m of protuberance 28j is disposed at the upside of the lower end surface 28k of protuberance 28h.In addition, three protuberance 28h and three protuberance 28j form by the order of three protuberance 28h, three protuberance 28j in a circumferential direction.The protuberance 28j of this mode of execution is first protuberance that its lower end surface 28m (i.e. the end face of bottom 28d side) is disposed at the upside (being the opening side of partition 28a) of the lower end surface 28k of other protuberance 28h.
The 28b of periphery wall portion forms roughly cylindric, is disposed at the outer circumferential side of cylindrical part 28c.28b is edge-on down from lip part 28e in this periphery wall portion.The height of the 28b of periphery wall portion (length on the above-below direction) is lower than the height of cylindrical part 28c.The internal diameter of the 28b of periphery wall portion is bigger than the external diameter of cylindrical part 28c, disposes stator 5 between the outer circumferential face of the inner peripheral surface of surrounding wall portion 28b and cylindrical part 28c outside.The inner peripheral surface of surrounding wall portion 28b is formed with the circular step surface 28n with the upper-end surface butt of the 24a of annulus portion of stator core 24 outside.Shown in figure 10, the distance L 1 of the lower end from step surface 28n to the 28b of periphery wall portion is longer than the length L on above-below direction 2 of stator core 24.Between before assemble pump device 1 in the wall member 28, the inner peripheral surface of the underpart of the 28b of periphery wall portion is the plane of inclination 28p that enlarges along with towards downside and towards radial outside.
The internal diameter of the downside that is positioned at step surface 28n of the 28b of periphery wall portion is littler than the external diameter of the 24a of annulus portion of stator core 24.In this mode of execution; Cut apart 24c unshakable in one's determination with a plurality of under the state of coil 23 and be pressed into interior all sides of the 28b of periphery wall portion through being wound with to drive to be combined into state roughly cylindraceous; Thereby make stator 5 be fixed in a wall member 28, the outer circumferential face of stator core 24 contacts through pressure with the inner peripheral surface of the 28b of periphery wall portion with the contact pressure of regulation.In addition, be fixed at stator 5 under the state of a wall member 28, the upper-end surface of the 24a of annulus portion of stator core 24 and step surface 28n butt, stator 5 is located on above-below direction through step surface 28n.
As stated, the inner peripheral surface of the underpart of the 28b of periphery wall portion is plane of inclination 28p.Therefore, in this mode of execution, will be combined into a plurality of under the state roughly cylindraceous easily and cut apart interior all sides that 24c unshakable in one's determination is pressed into the 28b of periphery wall portion.In addition; In this mode of execution, as stated, the distance L 1 of the lower end from step surface 28n to the 28b of periphery wall portion is longer than the length L 2 of stator core 24; After stator 5 was fixed in a wall member 28, the 24a of annulus portion of the underpart of the 28b of periphery wall portion and stator core 24 was welded together.That is, as shown in Figure 1, stator core 24 is fixed in after the wall member 28, and the underpart of the 28b of periphery wall portion becomes weld part 28r.The underpart of the 28b of periphery wall portion is welded on the position except that planar surface portion 24m of the 24a of annulus portion.That is, weld part 28r is formed at the position except that planar surface portion 24m of the 24a of annulus portion.In addition, a peripheral part 24d of cutting apart 24c unshakable in one's determination is formed a weld part 28r at least.
Cut apart 24c unshakable in one's determination with a plurality of under the state of coil 23 and be combined under the state roughly cylindraceous being wound with to drive with an adjacent in a circumferential direction mode of cutting apart the end face 24g of 24c unshakable in one's determination and the end face 24j butt that another cuts apart 24c unshakable in one's determination; Like Fig. 3, shown in Figure 5; Be formed with the gap between the end face 24n of adjacent in a circumferential direction prominent utmost point front end 24e; In addition, also be formed with the gap between the end face 25d of adjacent in a circumferential direction forward end insulation division 25a.As stated, the end face 24n of prominent utmost point front end 24e is more outstanding than the end face 25d of forward end insulation division 25a, and the gap that is formed between the adjacent in a circumferential direction end face 24n is narrower and small than the gap that is formed between the adjacent in a circumferential direction end face 25d.The end face 24n of protuberance 28h, 28j and adjacent two prominent utmost point front end 24e is relative.That is, if the end face 24n that constitutes two adjacent prominent utmost point front end 24e and protuberance 28h, 28j butt, the position in a circumferential direction of the utmost point front end 24e that then can confirm to dash forward.
In this mode of execution, when stator 5 being fixed in wall member 28, the gap on being formed at circumferencial direction between the adjacent end face 24n and be formed in the gap between the end face 25d adjacent on the circumferencial direction and dispose protuberance 28h, 28j.That is, protuberance 28h, 28j are disposed between a plurality of prominent utmost point front end 24e and reach between the forward end insulation division 25a.Particularly, protuberance 28h be disposed between the prominent utmost point front end 24e adjacent on the circumferencial direction and forward end insulation division 25a be formed at prominent utmost point front end 24e up and down between the part of both sides.In addition, protuberance 28j is disposed between the part that is formed at prominent utmost point front end 24e upside that reaches forward end insulation division 25a between the prominent utmost point front end 24e adjacent on the circumferencial direction.Through the end face 24n butt of protuberance 28h, 28j and prominent utmost point front end 24e, played preventing the function of stator 5 with respect to a wall member 28 rotations.That is, protuberance 28h, 28j are the spline parts of stator 5.In addition, the gap that is formed between the end face 24n adjacent on the circumferencial direction is bigger than the width in a circumferential direction of protuberance 28h, 28j.Therefore, at least one end face in the end face that the week of protuberance 28h, 28j makes progress does not contact with end face 24n, but when stator 5 rotation, the end face that the week of protuberance 28h, 28j makes progress can with end face 24n butt.
As stated, be formed with and the projected direction of the 24d of utmost point portion that the dashes forward planar surface portion 24m of plane orthogonal shape roughly at the outer circumferential face of stator core 24.Therefore, as shown in Figure 9 when stator 5 is fixed in wall member 28, between the inner peripheral surface of periphery partition 28b and planar surface portion 24m, be formed with gap S.
The motor 1 of this mode of execution is a three-phase brushless motor, comprises three magnetic quantity transducers 20.In motor 1, control with the electric current of coil 23 being supplied to drive according to the testing result of magnetic quantity transducer 20.Magnetic quantity transducer 20 is disposed at the downside of protuberance 28j.Particularly, magnetic quantity transducer 20 is disposed between the forward end insulation division 25a that clips protuberance 28j configuration.More specifically; Magnetic quantity transducer 20 is disposed between the part that is formed at prominent utmost point front end 24e downside of the forward end insulation division 25a that clips protuberance 28j configuration, and magnetic quantity transducer 20 is through the location in a circumferential direction with the end face 25d butt of the part that is formed at prominent utmost point front end 24e downside of the forward end insulation division 25a that clips protuberance 28j configuration.In this mode of execution, the end face 25d butt of the terminal of magnetic quantity transducer 20 and the part that is formed at prominent utmost point front end 24e downside.In addition, the lower end surface 28m butt of the upper-end surface of magnetic quantity transducer 20 and protuberance 28j, magnetic quantity transducer 20 is located on above-below direction through lower end surface 28m.The width in a circumferential direction of the width of magnetic quantity transducer 20 and protuberance 28j about equally.
(the main effect of this mode of execution)
As stated; In this mode of execution; Magnetic quantity transducer 20 is disposed between the part that is formed at prominent utmost point front end 24e downside of the forward end insulation division 25a that clips protuberance 28j configuration, and magnetic quantity transducer 20 is through the location in a circumferential direction with the end face 25d butt of the part that is formed at prominent utmost point front end 24e downside of the forward end insulation division 25a that clips protuberance 28j configuration.That is, magnetic quantity transducer 20 is located through the forward end insulation division 25a that the part with the prominent utmost point front end 24e of stator core 24 covers in a circumferential direction.Therefore, in this mode of execution, compare, can improve stator core 24 and magnetic quantity transducer 20 relative positional accuracy in a circumferential direction with the situation that as the pump-unit of record in the patent documentation 1, on partition, is formed with the sensor positioning part.
In addition, in this mode of execution, because insulating component 25 forms by resin, the end face 25d of the forward end insulation division 25a that therefore can prevent magnetic quantity transducer 20 is positioned damages the situation of magnetic quantity transducer 20.In addition; In this mode of execution; Because the end face 25d through forward end insulation division 25a locatees in a circumferential direction, therefore, be not used for special shape that magnetic quantity transducer 20 is positioned even if the shape of forward end insulation division 25a is not formed; Utilize the end face 25d of forward end insulation division 25a like this, also can carry out magnetic quantity transducer 20 location in a circumferential direction.Therefore, in this mode of execution, can simplify the structure of insulating component 25.
In addition; In this mode of execution; Magnetic quantity transducer 20 is with the end face 25d butt of the part that is formed at prominent utmost point front end 24e downside of the forward end insulation division 25a that clips protuberance 28j configuration and by its clamping; Thereby therefore the location, need not the structure that is used for locating in a circumferential direction magnetic quantity transducer 20 is located at partition 28a in a circumferential direction.Therefore, in this mode of execution, can simplify the structure of partition 28a.
In this mode of execution, magnetic quantity transducer 20 is through locating on above-below direction with the lower end surface 28m butt of protuberance 28j.That is, in this mode of execution, magnetic quantity transducer 20 is through locating on above-below direction as the acting protuberance 28j of the spline part of stator 5.Therefore, need not to be provided for separately carrying out the structure of the location of magnetic quantity transducer 20 on above-below direction.Consequently, in this mode of execution, can simplify the structure of pump-unit 1.
In addition, in this mode of execution, magnetic quantity transducer 20 is located through the forward end insulation division 25a that clips protuberance 28j configuration in a circumferential direction, and locatees on above-below direction through protuberance 28j.Therefore; Even if through to be fixed with stator 5 and be fixed with under the state of substrate 30 between wall member 28 resin material injections form resin component element 29; The position deviation of the magnetic quantity transducer 20 that the injection pressure in the time of also preventing because of resin material injection causes, inclination (toppling over); Wherein, magnetic quantity transducer 20 is installed on aforesaid substrate 30.
In this mode of execution, stator core 24 is a plurality ofly cut apart 24c unshakable in one's determination and is constituted by what be split to form by each prominent utmost point 24b of portion.Therefore; The situation of assembling stator from the prominent utmost point portion that radially inner side inserts integrally formed stator core with coil with the driving through will being wound in bobbin as record in the above-mentioned patent documentation 1 relatively; In this mode of execution, can increase the driving that is wound in the prominent 24b of utmost point portion the coiling number of turns with coil 23.
In this mode of execution, cut apart 24c unshakable in one's determination with a plurality of under the state of coil 23 and be pushed down into interior all sides of the 28b of periphery wall portion being combined into state roughly cylindraceous through being wound with to drive, thereby make stator 5 be fixed in a wall member 28.That is, stator core 24 is maintained on the 28b of periphery wall portion that is formed at a wall member 28.Therefore, in this mode of execution, need not to be provided for separately keeping the member of stator core 24, thereby can simplify the structure of pump-unit 1.
In this mode of execution, insulating component 25 is with to cut apart 24c unshakable in one's determination one-body molded.Therefore, can utilize insulating component 25 to cover the part on the surface of cutting apart 24c unshakable in one's determination accurately.
(other mode of execution)
Above-mentioned mode of execution is the example in the preferred implementation of the present invention, but the present invention is not limited thereto, and can carry out various distortion in the scope of the inventive concept and implement not changing.
In the above-described embodiment; Magnetic quantity transducer 20 is disposed between the part that is formed at prominent utmost point front end 24e downside of the forward end insulation division 25a that clips protuberance 28j configuration, and the end face 25d of the part that is formed at prominent utmost point front end 24e downside of the forward end insulation division 25a through clipping protuberance 28j configuration locatees in a circumferential direction.In addition, for example, also can be in a part that clips configuration magnetic quantity transducer 20 between the prominent utmost point front end 24e of protuberance 28j configuration, the end face 24n of the prominent utmost point front end 24e through clipping protuberance 28j configuration locatees magnetic quantity transducer in a circumferential direction.
In the above-described embodiment, the gap that is formed between the end face 24n of prominent utmost point front end 24e adjacent on the circumferencial direction is narrower and small than the gap between the end face 25d that is formed at forward end insulation division 25a adjacent on the circumferencial direction.In addition, also can be formed between the end face 24n adjacent on the circumferencial direction the gap be formed at circumferencial direction on the mode that equates of gap between the adjacent end face 25d form insulating component 25.In this case, protuberance 28h, 28j and end face 24n and end face 25d butt prevent the function of stator 5 with respect to a wall member 28 rotations thereby play.In addition; In this case; If in a part that clips configuration magnetic quantity transducer 20 between the prominent utmost point front end 24e of protuberance 28j configuration, the end face 25d of the part that is formed at prominent utmost point front end 24e downside of forward end insulation division 25a that then can be through clipping protuberance 28j configuration and the end face 24n that clips the prominent utmost point front end 24e of protuberance 28j configuration locate magnetic quantity transducer 20 in a circumferential direction.
In addition, also can form insulating component 25 than the big mode in gap that is formed between the end face 25d adjacent on the circumferencial direction with the gap that is formed between the end face 24n adjacent on the circumferencial direction.In this case, protuberance 28h, 28j and end face 25d butt prevent the function of stator 5 with respect to a wall member 28 rotations thereby play.
In the above-described embodiment, the gap that is formed between the end face 24n adjacent on the circumferencial direction is bigger than the width in a circumferential direction of protuberance 28h, 28j.In addition, for example, also can make the gap that is formed between the end face 24n adjacent on the circumferencial direction identical to be pressed into protuberance 28h, 28j gently with the width in a circumferential direction of protuberance 28h, 28j.
In the above-described embodiment, the width in a circumferential direction of the width of magnetic quantity transducer 20 and protuberance 28j about equally.In addition, for example, the width of magnetic quantity transducer 20 both can be bigger than the width in a circumferential direction of protuberance 28j, also can be littler than this width.In these cases; As long as set the width in a circumferential direction of forward end insulation division 25a, positioning instant can in a circumferential direction to make magnetic quantity transducer 20 with the end face 25d of the part that is formed at prominent utmost point front end 24e downside of forward end insulation division 25a that can be through clipping protuberance 28j configuration.Perhaps; Also can on the part that is formed at prominent utmost point front end 24e downside of the forward end insulation division 25a that clips protuberance 28j configuration, form protuberance of giving prominence in a circumferential direction or the depressed part that caves in a circumferential direction, and magnetic quantity transducer 20 located in a circumferential direction through this protuberance or depressed part.
In the above-described embodiment, be the terminal of magnetic quantity transducer 20 and the end face 25d butt of the part that is formed at prominent utmost point front end 24e downside.In addition, for example, also can be the end face 25d butt of sensor part with the part that is formed at prominent utmost point front end 24e downside of magnetic quantity transducer 20.In addition, can also be magnetic quantity transducer 20 terminal and sensor part all with the end face 25d butt of the part that is formed at prominent utmost point front end 24e downside.
In the above-described embodiment, the distance L 1 of the lower end from step surface 28n to the 28b of periphery wall portion is longer than the length L 2 of stator core 24.In addition, for example, the distance L 1 of the lower end from step surface 28n to the 28b of periphery wall portion both can equate with the length L 2 of stator core 24, also can lack than the length L 2 of stator core 24.
In the above-described embodiment, on a wall member 28, be formed with the 28b of periphery wall portion, but also can on a wall member 28, do not form the 28b of periphery wall portion.In this case, as long as being provided for separately making a plurality ofly cuts apart the incorporate member of 24c unshakable in one's determination, and utilize this member to make a plurality ofly to cut apart that 24c unshakable in one's determination is integrated to get final product.In addition, in the above-described embodiment, insulating component 25 is with to cut apart 24c unshakable in one's determination one-body molded, but also can with cut apart insulating component 25 that 24c split unshakable in one's determination forms and be installed on and cut apart 24c unshakable in one's determination.
In the above-described embodiment, stator core 24 is cut apart 24c unshakable in one's determination and is constituted by a plurality of, but that stator core 24 also can be integrally formed one is unshakable in one's determination.In this case, for example, the driving through will being wound in bobbin is assembled stator with coil from the prominent utmost point portion that radially inner side inserts integrally formed stator core.In addition, in this case, for example, magnetic quantity transducer 20 is located through the end face in a circumferential direction that supplies to drive the bobbin of reeling with coil in a circumferential direction.Under the situation that magnetic quantity transducer 20 is along the circumferential direction located through the end face in a circumferential direction of bobbin, the part of the bobbin that the part of the front end of prominent utmost point portion is covered is the forward end insulation division.
In the above-described embodiment, motor 1 comprises three magnetic quantity transducers 20, but is under the situation of two phase brushless motors at motor 1, as long as motor 1 comprises two magnetic quantity transducers 20.
Claims (14)
1. a pump-unit is characterized in that, comprising:
Impeller;
Rotor is installed said impeller on this rotor, and this rotor has to drive and uses magnet;
Stator; This stator arrangement is in the outer circumferential side of said rotor; And have driving with coil, insulating component and stator core, wherein, said insulating component is made up of the insulating properties material; In said stator core, be formed with a plurality of prominent utmost point portion, in this a plurality of prominent utmost point portion, be wound with said driving and use coil across said insulating component;
Pump chamber in this pump chamber, dispose said impeller and said rotor, and fluid flows through this pump chamber;
Between wall member, this wall member has partition, this partition is disposed between said stator and the said pump chamber to prevent that the fluid in the said pump chamber from flowing into the configuration position of said stator; And
Magnetic quantity transducer, this magnetic quantity transducer are used for detecting with the magnetic pole of the outer circumferential face of magnet being formed at said driving,
The radially inner side of the said stator core of said prominent utmost point court of portion is outstanding,
Said insulating component comprises the forward end insulation division, this forward end insulation division with the front end of said prominent utmost point portion promptly the part of prominent utmost point front end cover preventing said prominent utmost point front end and said driving with the contacting of coil,
Said partition form have bottom and a cylindrical part the round-ended cylinder shape roughly arranged, and be configured to make said cylindrical part to cover the outer circumferential face of said driving with magnet,
On the outer circumferential face of said cylindrical part, be formed with a plurality of protuberances; These a plurality of protuberances can prevent the rotation of said stator with the end face butt on the circumferencial direction at said rotor of end face on the circumferencial direction of said rotor and/or said forward end insulation division of said prominent utmost point front end
Said protuberance extends from the said bottom side of the said partition of opening side court of said partition, and is disposed between a plurality of said prominent utmost point front ends and/or the said forward end insulation division,
At least one protuberance in a plurality of said protuberances be the end face of the said bottom side of said protuberance form than the end face of the said bottom side of other said protuberance more near first protuberance of the opening side of said partition,
Said magnetic quantity transducer is configured in than said first protuberance between said prominent utmost point front end that clips said first protuberance configuration and/or said forward end insulation division and more leans on the position of said bottom side, thereby locatees on said circumferencial direction through said prominent utmost point front end and/or said forward end insulation division.
2. pump-unit as claimed in claim 1 is characterized in that,
Said magnetic sensor configuration between the said forward end insulation division that clips the configuration of said first protuberance, thereby locate on said circumferencial direction through said forward end insulation division.
3. pump-unit as claimed in claim 2 is characterized in that,
The width of said magnetic quantity transducer substantially equates with width between the said forward end insulation division that clips the configuration of said first protuberance.
4. pump-unit as claimed in claim 3 is characterized in that,
The end face butt of the said bottom side of said magnetic quantity transducer and said first protuberance.
5. pump-unit as claimed in claim 2 is characterized in that,
At the i.e. end face butt on the circumferencial direction at said rotor of prominent utmost point front end of the front end of the said protuberance that forms on the outer circumferential face of said cylindrical part and said two said prominent utmost point portions adjacent one another are, thereby confirm the position on said circumferencial direction of said prominent utmost point front end.
6. pump-unit as claimed in claim 1 is characterized in that,
Said stator core constitutes by partly cutting a plurality of iron cores of cutting apart that form by each said prominent utmost point.
7. pump-unit as claimed in claim 6 is characterized in that,
Said partition comprises the lip part that enlarges towards the said outside radially from the opening side end of said cylindrical part,
Said wall member comprises periphery wall roughly cylindraceous portion, and this periphery wall portion is disposed at the outer circumferential side of said cylindrical part and erects from said lip part towards said bottom side,
The outer circumferential face of said stator core contacts through pressure with the inner peripheral surface of said periphery wall portion.
8. pump-unit as claimed in claim 6 is characterized in that,
Said insulating component and said is cut apart unshakable in one's determination one-body molded.
9. pump-unit as claimed in claim 7 is characterized in that,
Said stator core comprises: the circular annulus portion that constitutes the outer circumferential face of this stator core; And from side-prominent a plurality of said prominent utmost point portion in radially of this annulus portion,
Partly cut by each said prominent utmost point through the peripheral part that will constitute said annulus portion and to constitute the said iron core of cutting apart.
10. pump-unit as claimed in claim 9 is characterized in that,
Said magnetic sensor configuration between the said forward end insulation division that clips the configuration of said first protuberance, thereby locate on said circumferencial direction through said forward end insulation division.
11. pump-unit as claimed in claim 9 is characterized in that,
Said magnetic quantity transducer is clamped in to be located between two said said forward end insulation divisions of cutting apart the said insulating component on the iron core adjacent one another are, thereby locatees on said circumferencial direction through said forward end insulation division.
12. pump-unit as claimed in claim 9 is characterized in that,
At the i.e. end face butt on the circumferencial direction at said rotor of prominent utmost point front end of the front end of the said protuberance that forms on the outer circumferential face of said cylindrical part and said two said prominent utmost point portions adjacent one another are, thereby confirm the position on said circumferencial direction of said prominent utmost point front end.
13. pump-unit as claimed in claim 12 is characterized in that,
The end face butt of the said bottom side of said magnetic quantity transducer and said first protuberance.
14. like each described pump-unit in the claim 1 to 13, it is characterized in that,
Be formed with in the bottom of said partition and fixingly use projection with locating with projection; Wherein, Said fixing with projection is used for the substrate of the terminal that connects said magnetic quantity transducer is fixed in said wall member; Said location is used for said substrate is positioned with projection, and said substrate is fixed in the bottom of said partition under through the said fixing state that has carried out the location with projection and said location with projection.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-212417 | 2010-09-22 | ||
| JP2010212417A JP5564377B2 (en) | 2010-09-22 | 2010-09-22 | Pump device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102410231A true CN102410231A (en) | 2012-04-11 |
| CN102410231B CN102410231B (en) | 2015-07-22 |
Family
ID=45912496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110300532.3A Expired - Fee Related CN102410231B (en) | 2010-09-22 | 2011-09-21 | Pump device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5564377B2 (en) |
| CN (1) | CN102410231B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104283391A (en) * | 2013-07-02 | 2015-01-14 | 日本电产株式会社 | Motor |
| CN106555766A (en) * | 2015-09-30 | 2017-04-05 | 日本电产三协株式会社 | Pump installation |
| CN106560623A (en) * | 2015-09-30 | 2017-04-12 | 日本电产三协株式会社 | Motor And Method For Manufacturing Motor |
| CN109416058A (en) * | 2016-07-04 | 2019-03-01 | 阿莫泰克有限公司 | Water pump |
| JP2019146485A (en) * | 2019-06-05 | 2019-08-29 | 三菱電機株式会社 | Stator and dynamo-electric motor |
| CN110417134A (en) * | 2018-04-27 | 2019-11-05 | 日本电产株式会社 | Stator unit, motor and air supply device |
| TWI686539B (en) * | 2018-12-07 | 2020-03-01 | 大陸商深圳興奇宏科技有限公司 | Thin type pump structure |
| US11035366B2 (en) | 2018-12-17 | 2021-06-15 | Asia Vital Components (China) Co., Ltd. | Thin type pump structure |
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| KR101926474B1 (en) * | 2016-07-04 | 2018-12-07 | 주식회사 아모텍 | Water pump |
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| JP2018046613A (en) * | 2016-09-13 | 2018-03-22 | 日本電産サンキョー株式会社 | Motor and pump device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06253491A (en) * | 1993-03-02 | 1994-09-09 | Japan Servo Co Ltd | Canned motor pump |
| JPH10108436A (en) * | 1996-09-27 | 1998-04-24 | Hitachi Ltd | Brushless motor and brushless canned motor pump |
| CN101064444A (en) * | 2006-04-28 | 2007-10-31 | 日本电产株式会社 | Motor and pump having magnetic sensor, connecting method between circuit board having magnetic sensor and stator, and manufacturing method of motor and pump |
| JP2008022652A (en) * | 2006-07-13 | 2008-01-31 | Nippon Densan Corp | Motor and pump |
| JP2009284704A (en) * | 2008-05-23 | 2009-12-03 | Panasonic Electric Works Co Ltd | Pump |
| CN101599682A (en) * | 2008-06-02 | 2009-12-09 | 日本电产三协株式会社 | Electronic device and manufacture method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH081189B2 (en) * | 1985-02-05 | 1996-01-10 | 三洋電機株式会社 | pump |
| JPH09317684A (en) * | 1996-05-30 | 1997-12-09 | Asmo Co Ltd | Fluid pump |
| JP2002153039A (en) * | 2000-11-08 | 2002-05-24 | Toshiba Corp | Permanent magnet type of motor and vacuum cleaner |
| JP2006067729A (en) * | 2004-08-27 | 2006-03-09 | Aisin Seiki Co Ltd | Electric pump |
| JP2007097257A (en) * | 2005-09-27 | 2007-04-12 | Nidec Sankyo Corp | Canned motor and canned pump |
-
2010
- 2010-09-22 JP JP2010212417A patent/JP5564377B2/en not_active Expired - Fee Related
-
2011
- 2011-09-21 CN CN201110300532.3A patent/CN102410231B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06253491A (en) * | 1993-03-02 | 1994-09-09 | Japan Servo Co Ltd | Canned motor pump |
| JPH10108436A (en) * | 1996-09-27 | 1998-04-24 | Hitachi Ltd | Brushless motor and brushless canned motor pump |
| CN101064444A (en) * | 2006-04-28 | 2007-10-31 | 日本电产株式会社 | Motor and pump having magnetic sensor, connecting method between circuit board having magnetic sensor and stator, and manufacturing method of motor and pump |
| JP2008022652A (en) * | 2006-07-13 | 2008-01-31 | Nippon Densan Corp | Motor and pump |
| JP2009284704A (en) * | 2008-05-23 | 2009-12-03 | Panasonic Electric Works Co Ltd | Pump |
| CN101599682A (en) * | 2008-06-02 | 2009-12-09 | 日本电产三协株式会社 | Electronic device and manufacture method thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283391A (en) * | 2013-07-02 | 2015-01-14 | 日本电产株式会社 | Motor |
| CN106555766A (en) * | 2015-09-30 | 2017-04-05 | 日本电产三协株式会社 | Pump installation |
| CN106560623A (en) * | 2015-09-30 | 2017-04-12 | 日本电产三协株式会社 | Motor And Method For Manufacturing Motor |
| US10148143B2 (en) | 2015-09-30 | 2018-12-04 | Nidec Sankyo Corporation | Motor and method for manufacturing motor |
| US10458413B2 (en) | 2015-09-30 | 2019-10-29 | Nidec Sankyo Corporation | Pumping apparatus |
| CN109416058A (en) * | 2016-07-04 | 2019-03-01 | 阿莫泰克有限公司 | Water pump |
| CN110417134A (en) * | 2018-04-27 | 2019-11-05 | 日本电产株式会社 | Stator unit, motor and air supply device |
| TWI686539B (en) * | 2018-12-07 | 2020-03-01 | 大陸商深圳興奇宏科技有限公司 | Thin type pump structure |
| US11035366B2 (en) | 2018-12-17 | 2021-06-15 | Asia Vital Components (China) Co., Ltd. | Thin type pump structure |
| JP2019146485A (en) * | 2019-06-05 | 2019-08-29 | 三菱電機株式会社 | Stator and dynamo-electric motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012067659A (en) | 2012-04-05 |
| JP5564377B2 (en) | 2014-07-30 |
| CN102410231B (en) | 2015-07-22 |
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