CN1941557A - Insulated plastic pipe for electric motor wire interconnecting piece - Google Patents
Insulated plastic pipe for electric motor wire interconnecting piece Download PDFInfo
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- CN1941557A CN1941557A CN 200610139670 CN200610139670A CN1941557A CN 1941557 A CN1941557 A CN 1941557A CN 200610139670 CN200610139670 CN 200610139670 CN 200610139670 A CN200610139670 A CN 200610139670A CN 1941557 A CN1941557 A CN 1941557A
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- pipe
- insulated plastic
- interconnecting piece
- coil
- wire interconnecting
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Abstract
The present invention provides an insulative plastic tube for connecting a lead wire, which prevents a lead wire connection from protruding from between protrusions in teeth in an operation, and is inserted and stably disposed between windings. Problems can be solved as follows: the lead wire connection (42) connects a stator (4) having a plurality of the teeth (4C) and windings (4B) concentratively wound onto the teeth (4C), a drawn wire (41) of the winding (4B) and the lead wire (40) connected to a terminal (18) connected to an external power supply, and is accommodated so as to be tightly covered. The insulative plastic tube (A) for accommodating the connection (42) is inserted between the adjacent windings (4B), and has the flexibility so as to be disposed. An outside diameter (D) of the tube (A) for accommodating the connection (42) is larger than a gap (G) between the protrusions (4E) in the adjacent teeth (4C). The tube (A) for accommodating the connection (42) is prevented from outwardly protruding from the gap (G).
Description
Technical field
The present invention relates to the wire interconnecting piece insulated plastic pipe of motor, particularly relate to take in and have concentrating the wire interconnecting piece of winding method package, and insert and stably be disposed at the wire interconnecting piece insulated plastic pipe of the motor between described coil in the motor of the coil of a plurality of tooth portion.
Background technology
To be explanation connected the lead that is connected with the terminal of motor shown in Figure 3 described later and the key diagram of the state of the lead-out wire that is connected with coil via wire interconnecting piece to Fig. 5 (a), (b) is to illustrate that the insulated tube insertion that will take in described connecting portion is disposed at the key diagram of the state between the coil of adjacency.
Shown in Fig. 5 (a), in wire interconnecting piece 42, utilize solder or welding etc. can be connected with terminal 18 lead 40 that is connected and the lead-out wire 41 that is connected with coil 4B with motor 2 shown in Figure 3 described later with switching on.This connecting portion 42 insert are accommodated in insulation film is repeatedly overlapping, be wound into cylindric and the one end is deposited and in the insulating paper (with reference to patent documentation 1) 50 that forms.
And shown in Fig. 5 (a) and (b), wire interconnecting piece 42 insertions that insertion is accommodated in the insulating paper 50 are disposed between the coil 4B of adjacency.
Patent documentation 1: the Japanese utility model application bulletin is put down into the 5-37645 communique
But, shown in Fig. 5 (b), if wire interconnecting piece 42 insertions that insertion is accommodated in the insulating paper 50 are disposed between the coil 4B of adjacency, then have problems such as following: the wire interconnecting pieces 42 that insertion such as on-stream is accommodated in the insulating paper 50 stretch out between the protuberance 4E of the 4C of tooth portion of adjacency, contact and damage mutually with the laminated body 5A of the electromagnetic steel plate of not shown rotor 5, or the insulating paper 50 of taking in wire interconnecting piece 42 comes off, thereby exposes by the wire interconnecting piece 42 of connections such as solder or welding.
Summary of the invention
The objective of the invention is to solve existing each problem, a kind of wire interconnecting piece insulated plastic pipe is provided, it closely covers and takes in has to concentrate the winding method package in the wire interconnecting piece of the motor of the coil of a plurality of tooth portion and make the wire interconnecting piece insulation, wherein, the on-stream wire interconnecting piece that waits can not stretch out between the protuberance of described tooth portion, and the insulated plastic pipe of taking in wire interconnecting piece can not come off, thereby can insert and stably be disposed between described coil.
In order to solve described problem, the present invention's first technical scheme provides a kind of insulated plastic pipe, it closely covers and takes in wire interconnecting piece, this wire interconnecting piece is connected with: have a plurality of tooth portions and to concentrate the stator of winding method package in the coil of described tooth portion, the lead-out wire of described coil, with the lead that is connected with the terminal that is connected in external power source, this insulated plastic pipe have be used for will take in the insulated plastic pipe A of described connecting portion insert flexible between the described coil that is disposed at adjacency, it is characterized in that
The outer diameter D of pipe A of taking in described connecting portion is greater than the clearance G between the protuberance of the described tooth portion of adjacency, and the described pipe A that takes in described connecting portion can not be exposed to the outside from described gap.
The wire interconnecting piece insulated plastic pipe of the motor of the present invention's second technical scheme, in the insulated plastic pipe of the present invention's first technical scheme, it is characterized in that, total length at described coil is H, when the insertion length when the described pipe A that takes in described connecting portion inserts between the described coil of adjacency is L, satisfy the mode of the relation of representing by following formula (1) with H and L and insert described pipe A
(H/2)≤L≤H formula (1).
The wire interconnecting piece insulated plastic pipe of the motor of the present invention's the 3rd technical scheme, in the insulated plastic pipe of the present invention's first technical scheme or second technical scheme, it is characterized in that, constitute by pipe A with following structure, that is, had the mutually lamination closely pipe B that constitutes by insulated plastic made membrane or thin slice and the double-decker of insulated plastic fiber braided tube C.
The wire interconnecting piece insulated plastic pipe of the motor of the present invention's the 4th technical scheme, in one of any insulated plastic pipe in the present invention's first technical scheme to the three technical schemes, it is characterized in that described pipe A or described pipe B have used insulated plastic made membrane or winding of webs curl and the flexible pipe that forms.
The wire interconnecting piece insulated plastic pipe of the motor of the present invention's the 5th technical scheme, in one of any insulated plastic pipe in the present invention's first technical scheme to the four technical schemes, it is characterized in that insulated plastic is the polyester based resin of selecting from PETG, polybutylene terephthalate (PBT), PEN.
(invention effect)
The wire interconnecting piece insulated plastic pipe of the motor of the present invention's first technical scheme, it closely covers and takes in wire interconnecting piece, this wire interconnecting piece is connected with: have a plurality of tooth portions and to concentrate the stator of winding method package in the coil of described tooth portion, the lead-out wire of described coil, with the lead that is connected with the terminal that is connected in external power source, this insulated plastic pipe have be used for will take in the insulated plastic pipe A of described connecting portion insert flexible between the described coil that is disposed at adjacency, it is characterized in that, the outer diameter D of pipe A of taking in described connecting portion is greater than the clearance G between the protuberance of the described tooth portion of adjacency, and the described pipe A that takes in described connecting portion can not be exposed to the outside from described gap
Because the pipe A that on-stream grade is taken in wire interconnecting piece can not stretch out between the protuberance of described tooth portion, contact with the laminated body of the electromagnetic steel plate of rotor and cause mutual damage, in addition, do not exist the insulated plastic pipe of taking in wire interconnecting piece to come off, thereby the wire interconnecting piece by connections such as solder or welding such as exposes at problem, and can insert and stably be disposed between described coil, therefore play this significant effect of reliability that can improve motor.
The wire interconnecting piece insulated plastic pipe of the motor of the present invention's second technical scheme, in the insulated plastic pipe of the present invention's first technical scheme, it is characterized in that, total length at described coil is H, when the insertion length when the described pipe A that takes in described connecting portion inserts between the described coil of adjacency is L, satisfy the mode of the relation of representing by described formula (1) with H and L and insert described pipe A
Owing to insert between described coil more deeply, so on-stream grade can not come off between described coil, can more stably dispose, therefore play this more significant effect of reliability that can further improve motor.
The wire interconnecting piece insulated plastic pipe of the motor of the present invention's the 3rd technical scheme, in the insulated plastic pipe of the present invention's first technical scheme or second technical scheme, it is characterized in that, constitute by pipe A with following structure, promptly, had the mutually lamination closely pipe B that constitutes by insulated plastic made membrane or thin slice and the double-decker of insulated plastic fiber braided tube C
Owing to used and had double-deck pipe A, so characteristics such as flexible or intensity further improve, and can more closely cover and take in described connecting portion, the insulated plastic pipe difficult drop-off, can more stably dispose, therefore play this more significant effect of reliability that can further improve motor.
The wire interconnecting piece insulated plastic pipe of the motor of the present invention's the 4th technical scheme, in one of any insulated plastic pipe in the present invention's first technical scheme to the three technical schemes, it is characterized in that, described pipe A or described pipe B have used insulated plastic made membrane or winding of webs curl and the flexible pipe that forms
Because mechanical properties such as flexible or intensity further improve, and can more closely cover and take in described connecting portion, the insulated plastic pipe difficult drop-off can more stably dispose, and therefore plays this more significant effect of reliability that can further improve motor.
The wire interconnecting piece insulated plastic pipe of the motor of the present invention's the 5th technical scheme, in one of any insulated plastic pipe in the present invention's first technical scheme to the four technical schemes, it is characterized in that, insulated plastic is the polyester based resin of selecting from PETG, polybutylene terephthalate (PBT), PEN
Because these polyester based resins are cheap and buy easily, and mechanical property excellences such as flexible or intensity, and excellences such as electrical insulating property, anti-refrigeration, thermal endurance, therefore play this more significant effect of reliability that can further improve motor.
Description of drawings
Fig. 1 is that explanation has connected the lead that is connected with the terminal of motor shown in Figure 3 and the key diagram of the state of the lead-out wire that is connected with coil via wire interconnecting piece;
Fig. 2 (a) is that explanation has connected the lead that is connected with the terminal of motor shown in Figure 3 and the key diagram of the state of the lead-out wire that is connected with coil via wire interconnecting piece, (b) is to illustrate that the insulated tube insertion that will take in described connecting portion is disposed at the key diagram of the state between the coil of adjacency;
Fig. 3 takes in to have to concentrate the longitudinal section of winding method package in an example of the compressor of the motor of the coil of a plurality of tooth portion;
Fig. 4 is the key diagram of overlooking of the tooth portion (teeth) of laminated body of stator of motor shown in Figure 3 and coil etc.;
Fig. 5 (a) is that explanation has connected the lead that is connected with the terminal of motor shown in Figure 3 and the key diagram of the state of the lead-out wire that is connected with coil via wire interconnecting piece, (b) is to illustrate that the insulated tube insertion that will take in described connecting portion is disposed at the key diagram of the state between the coil of adjacency.
Among the figure, the 2-motor; The 4-stator; The 4A-laminated body; The 4B-coil; 4C-tooth portion; 4D-yoke portion; The 4E-protuberance; The 5-rotor; The 18-terminal; The 40-lead; The 41-lead-out wire; The 42-wire interconnecting piece; A-takes in the pipe of wire interconnecting piece; The pipe that B-is made of insulated plastic made membrane or thin slice; C-insulated plastic fiber braided tube; D-takes in the external diameter of the pipe of wire interconnecting piece; The G-gap; The total length of H-coil; L-inserts length.
Embodiment
Below, explain embodiments of the present invention with reference to accompanying drawing.
Fig. 1 is that explanation has connected the lead that is connected with the terminal of motor shown in Figure 3 and the key diagram of the state of the lead-out wire that is connected with coil via wire interconnecting piece, and Fig. 2 (a) and (b) are to illustrate that the insulated tube insertion that will take in described connecting portion is disposed at the key diagram of the state between the coil of adjacency.
Fig. 3 takes in to have to concentrate the longitudinal section of winding method package in an example of the compressor of the motor of the coil of a plurality of tooth portion.
Fig. 4 is the key diagram of overlooking of the tooth portion (teeth) of laminated body of stator of motor shown in Figure 3 and coil etc.
In Fig. 3, the 1st, closed container is taken in motor 2 that is configured in downside and the compressor 3 that is configured in upside in this closed container 1.Motor 2 is DC motor that so-called magnetic pole is concentrated winding method, inserts the rotor 5 of the inboard that is arranged at this stator 4 and constitutes by stator 4 with to be provided with slightly at interval mode.This rotor 5 is fixed in the rotating shaft 6 that extends along vertical direction through the center, and rotating shaft 6 is by 7 supportings of bearing.
Stator 4 have lamination ring-type electromagnetic steel plate laminated body 4A and to concentrate winding method (series connection winding method) package in the three-phase coil 4B of the tooth portion (teeth) of this laminated body 4A.In addition, rotor 5 is similarly formed by the laminated body 5A of electromagnetic steel plate with stator 4, the not shown permanent magnet MG of insertion in this laminated body 5A and forming.8 expressions are installed on the balancer of the top and the below of rotor 5.
Compressor 3 by driving cylinder 9, be embedded in rotating shaft 6 crank-pin 10 and in this driving cylinder 9 pistons reciprocating 11, be arranged on the end face of driving cylinder 9 valve seat 12, and the driving cylinder head 13 that is installed on driving cylinder 9 via this valve seat 12 constitute.On valve seat 12, driving the ejection valve (not shown) that cylinder head 13 sides are equipped with the switching ejiction opening.
Sidepiece at closed container 1 is equipped with the terminal 18 that is connected with not shown external power source, connect not shown lead that is connected with terminal 18 and the not shown lead-out wire that is connected with the coil 4B of motor 2 via not shown connecting portion, thus to motor 2 power supplies.
In closed container 1, suck HFC series coolant or conduct hydrocarbon (HC) series coolant or carbon dioxide (CO to the little natural cold-producing medium of environmental impact
2) wait cold-producing medium.
And, be sealed with mineral oil (mineral oil), alkylbenzene oil, ether oil, ester oil, PAG known refrigerating machine oils 14 such as (poly-alkyl glycols).
In having used the motor compressor of the present invention (reciprocating motor compressor) of described refrigerating machine oil 14, if via the coil 4B energising of not shown wiring to the motor 2 of motor compressor, then motor 2 startings, rotor 5 rotations.By this rotation, piston 11 reciprocating motions chimeric with crank axle 10.By reciprocatingly sliding of piston 11, the cold-producing mediums that flow in the driving cylinder 9 are compressed in this driving cylinder 9, and open not shown ejection valve is ejected in the external refrigeration cycle, circulate and use.
And, the oil 14 that enters into the bottom of closed container 1 is filled with in the lubricator cup from the hole 16 of lubricator cup 15, the rotating shaft 6 that has oil passage 17 at the middle body of lubricator cup 15 with hollow, the open end forms eddy current up by the high speed rotating of rotating shaft 6, the vacuum phenomenon that utilizes this eddy current to produce is drawn oil 14, and make this oil 14, thereby they are lubricated in each sliding part circulation such as piston 11/ driving cylinder 9, rotating shaft 6/ bearing 7.
As shown in Figure 4, stator 4 have lamination ring-type electromagnetic steel plate laminated body 4A and via insulant (plastics system insulator) 20 to concentrate the three-phase coil 4B (4B-U1,4B-V1,4B-W1,4B-U2,4B-V2,4B-W2) of the direct package of winding method on the 4C of 6 tooth portions (teeth) that is arranged on this laminated body 4A.
Stator 4 is had the 4C of tooth portion of coil 4B and the 4D of yoke portion of the roughly ring-type of the peripheral part that is connected the 4C of tooth portion to constitute by package.And, have outstanding in a circumferential direction protuberance 4E at the front end of the 4C of tooth portion along the laminated body 5A of rotor 5.
As shown in Figure 1, in wire interconnecting piece 42, utilize solder or welding etc. can be connected with lead 40 that is connected with terminal 18 motor 2 shown in Figure 3 and the lead-out wire 41 that is connected with coil 4B with switching on.
At first, this connecting portion 42 is closely inserted and be fixed in the flexible pipe 50-1, described flexible pipe 50-1 forms by insulating properties mylar system thin slice is wound into helical form continuously.Because the external diameter of the internal diameter of flexible pipe 50-1 and connecting portion 42 is roughly the same or slightly little, so flexible pipe 50-1 closely is fixed in the periphery of connecting portion 42, do not separate with it.
Then, closely insert and be fixed in the insulating properties mylar fiber braided tube C closely inserting and being fixed in connecting portion 42 in the flexible pipe 50-1.
Because the internal diameter of fiber braided tube C is roughly the same or slightly little with the external diameter that connecting portion 42 is closely inserted and be fixed in the flexible pipe 50-1, so fiber braided tube C closely is fixed in its periphery, do not separate with it.
So connecting portion 42 is closely covered and is accommodated in wherein by pipe A, described pipe A has flexible pipe 50-1 and the mutual closely double-decker of lamination of fiber braided tube C.
Flexible pipe 50-1 and fiber braided tube C also can carry out deposited, the heat bonding with its leading section 50-3 heat-sealing etc.Avoided flexible pipe 50-1 to separate with fiber braided tube C by the leading section 50-3 of heat bonding, insert easily between coil 4B, thereby operability improves, stability improves.
The laminated layer sequence of flexible pipe 50-1 and fiber braided tube C also can be with above-mentioned opposite, promptly also can closely cover and take in connecting portion 42 in pipe A, and described pipe A has with flexible pipe 50-1 and is the outside, is inboard and the double-decker of lamination with fiber braided tube C.If fiber braided tube C is inboard, flexible pipe 50-1 is the outside, and fiber can not block when then inserting between coil 4B, improves thereby insert operability easily.
In the present invention,, also can be used as insulated plastic pipe and use, in addition,, also can be used as insulated plastic pipe and use even fiber braided tube C is independent even flexible pipe 50-1 is independent.If use the pipe A of one deck structure, then can reduce the number of working processes that closely covers and take in connecting portion 42.
Shown in Fig. 2 (b), in the present invention, be D at the external diameter of establishing the pipe A that takes in connecting portion 42, when the gap between the protuberance 4E of the described tooth 4C of portion of adjacency is G, the most important thing is to make D greater than G.By making D, can avoid the described pipe A that takes in connecting portion 42 to be exposed to the outside from described clearance G greater than G.
Shown in Fig. 2 (a), be H in the total length of establishing coil 4B, when the insertion length when the pipe A that takes in connecting portion 42 being inserted between the coil 4B of adjacency is L, preferably satisfy mode insertion tube A by the relation of described formula (1) expression with H and L.
Because will take in the described pipe A of connecting portion 42 is inserted into more deeply between coil 4B in the mode that satisfies the relation of being represented by described formula (1), therefore the on-stream grade described pipe A that takes in connecting portion 42 can not come off between coil 4B, thereby can more stably dispose.
The explanation of above-mentioned execution mode is to be used to illustrate of the present invention, does not limit the described invention of scope of patent application, or the scope of dwindling patent application.In addition, each several part structure of the present invention is not limited to above-mentioned execution mode, can for example carry out various distortion described as follows in the described technical scope of the scope of patent application.
Reciprocating compressor has been described in the above description, but the form of compressor does not limit especially, particularly, also can be rotary compressor, vibration-type compressor, leafy chip rotary compressor, scroll compressor etc., in addition, number of compression stages so long as at least the above compression of one-level get final product.
Compressor can be used in home-use air-conditioning, office air-conditioning (air-conditioning box), air conditioner for automobile, home-use freezer, office freezer, office freezer, office freezing-cooling storeroom, gondola, vendor, supply hot water facility etc.
(industrial utilizability)
Take in the wire interconnecting piece insulated plastic system of the motor of the present invention of wire interconnecting piece Pipe is because the wire interconnecting piece insulated plastic pipe A that on-stream grade is taken in wire interconnecting piece From between the protuberance of described tooth section, do not stretch out, contact with the laminated body of the electromagnetic steel plate of rotor and cause phase Damage in addition, does not exist the insulated plastic pipe A that takes in wire interconnecting piece to come off mutually, thereby Wire interconnecting piece by connections such as solder or welding such as exposes at the problem, and can insert and stably Be disposed between described coil, therefore play this significant effect of reliability that can improve motor, Thereby industrial value is higher.
Claims (5)
1. the wire interconnecting piece insulated plastic pipe of a motor, it closely covers and takes in wire interconnecting piece, this wire interconnecting piece is connected with: have a plurality of tooth portions and to concentrate the stator of winding method package in the coil of described tooth portion, the lead-out wire of described coil, with the lead that is connected with the terminal that is connected in external power source, this insulated plastic pipe has the insulated plastic pipe (A) that is used for taking in described connecting portion and inserts flexible between the described coil that is disposed at adjacency, it is characterized in that
The external diameter (D) of pipe (A) of taking in described connecting portion is greater than the gap (G) between the protuberance of the described tooth portion of adjacency, and the described pipe (A) of taking in described connecting portion can not be exposed to the outside from described gap.
2. insulated plastic pipe according to claim 1 is characterized in that,
Total length at described coil is (H), and the insertion length when the described pipe (A) of taking in described connecting portion inserts between the described coil of adjacency is during for (L), inserts described pipe (A) with (H) and the mode that (L) satisfies the relation of being represented by following formula (1),
(H/2)≤L≤H formula (1).
3. insulated plastic pipe according to claim 1 and 2 is characterized in that,
Constitute by the pipe with following structure (A), that is, and had the mutually lamination closely pipe (B) that constitutes by insulated plastic made membrane or thin slice and the double-decker of insulated plastic fiber braided tube (C).
4. according to each described insulated plastic pipe in the claim 1~3, it is characterized in that,
Described pipe (A) or described pipe (B) have used insulated plastic made membrane or winding of webs curl and the flexible pipe that forms.
5. according to each described insulated plastic pipe in the claim 1~4, it is characterized in that,
Insulated plastic is the polyester based resin of selecting from PETG, polybutylene terephthalate (PBT), PEN.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005289023 | 2005-09-30 | ||
JP2005289023A JP2007104767A (en) | 2005-09-30 | 2005-09-30 | Insulative plastic tube for connecting lead wire in electric motor |
Publications (1)
Publication Number | Publication Date |
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CN1941557A true CN1941557A (en) | 2007-04-04 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 200610139670 Pending CN1941557A (en) | 2005-09-30 | 2006-09-28 | Insulated plastic pipe for electric motor wire interconnecting piece |
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CN (1) | CN1941557A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101572455B (en) * | 2009-06-09 | 2011-06-08 | 上海电科电机科技有限公司 | Reinforced insulation structure applied to low-voltage variable frequency motor random winding |
CN102474148A (en) * | 2009-07-06 | 2012-05-23 | 恩布拉科欧州有限公司 | Method for assembling electric power supply cables on a stator |
CN103573578A (en) * | 2012-08-08 | 2014-02-12 | 株式会社丰田自动织机 | Motor-driven compressor |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP5211713B2 (en) * | 2008-01-25 | 2013-06-12 | ダイキン工業株式会社 | Stator, motor and compressor |
JP5131162B2 (en) * | 2008-11-07 | 2013-01-30 | ダイキン工業株式会社 | Compressor |
JP2011078287A (en) * | 2009-10-02 | 2011-04-14 | Daikin Industries Ltd | Armature and manufacturing method therefor |
JP5730532B2 (en) * | 2010-10-28 | 2015-06-10 | オリエンタルモーター株式会社 | Connection structure and method of motor winding end and lead wire |
JP6135632B2 (en) * | 2014-09-30 | 2017-05-31 | ダイキン工業株式会社 | Compressor |
-
2005
- 2005-09-30 JP JP2005289023A patent/JP2007104767A/en active Pending
-
2006
- 2006-09-28 CN CN 200610139670 patent/CN1941557A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101572455B (en) * | 2009-06-09 | 2011-06-08 | 上海电科电机科技有限公司 | Reinforced insulation structure applied to low-voltage variable frequency motor random winding |
CN102474148A (en) * | 2009-07-06 | 2012-05-23 | 恩布拉科欧州有限公司 | Method for assembling electric power supply cables on a stator |
CN102474148B (en) * | 2009-07-06 | 2014-08-20 | 恩布拉科欧州有限公司 | Method for assembling electric power supply cables on a stator |
CN103573578A (en) * | 2012-08-08 | 2014-02-12 | 株式会社丰田自动织机 | Motor-driven compressor |
US9394907B2 (en) | 2012-08-08 | 2016-07-19 | Kabushiki Kaisha Toyota Jidoshokki | Motor-driven compressor having cluster block located radially inward of a coil end |
CN103573578B (en) * | 2012-08-08 | 2016-07-27 | 株式会社丰田自动织机 | Motor compressor |
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JP2007104767A (en) | 2007-04-19 |
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Open date: 20070404 |