JPS61121741A - Rotor for ac generator for vehicle - Google Patents

Rotor for ac generator for vehicle

Info

Publication number
JPS61121741A
JPS61121741A JP24109784A JP24109784A JPS61121741A JP S61121741 A JPS61121741 A JP S61121741A JP 24109784 A JP24109784 A JP 24109784A JP 24109784 A JP24109784 A JP 24109784A JP S61121741 A JPS61121741 A JP S61121741A
Authority
JP
Japan
Prior art keywords
rotor
flow blade
shaft
section
slant
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.)
Withdrawn
Application number
JP24109784A
Other languages
Japanese (ja)
Inventor
Satoru Kumagai
熊谷 哲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
NipponDenso Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NipponDenso Co Ltd filed Critical NipponDenso Co Ltd
Priority to JP24109784A priority Critical patent/JPS61121741A/en
Publication of JPS61121741A publication Critical patent/JPS61121741A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K9/00Arrangements for cooling or ventilating
    • H02K9/02Arrangements for cooling or ventilating by ambient air flowing through the machine
    • H02K9/04Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
    • H02K9/06Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22Rotating parts of the magnetic circuit
    • H02K1/24Rotor cores with salient poles ; Variable reluctance rotors
    • H02K1/243Rotor cores with salient poles ; Variable reluctance rotors of the claw-pole type

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Motor Or Generator Cooling System (AREA)
  • Synchronous Machinery (AREA)

Abstract

PURPOSE:To increase the quantity of cooling air in the axial direction toward a rotor coil, by bending some section of a slant flow blade inside to be slanted further, and by forming the bent section of the slant flow blade. CONSTITUTION:On the salient section 71 in the radial direction of a base plate 74, a slant flow blade 76 bent along one of the edge of the salient section 71 is formed, and an angle is formed on the slant flow blade 76 to the level meeting at a right angle to the axial line of a shaft 56, and some section of the slant flow blade 76 inside is bent to be slanted further, and the bent section 78 of the slant flow blade is formed. When the shaft 56 is rotated in the direction shown in an arrow head 79, then the slant flow blade 76 makes cooling air flow in the bothdirections of the reduis outside and the axial line toward a rotor, and the bent section 78 of the slant flow blade makes most of cooling air flow in the axial direction toward the rotor. In this manner, air quantity in the axial direction of a slant flow fan 68 is increased and the cooling property of a rotor coil is improved.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は車両用交流発電機の回転子に関し、特に回転子
の冷却効率向上のための構造に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a rotor for a vehicle alternator, and more particularly to a structure for improving the cooling efficiency of the rotor.

〔従来の技術〕[Conventional technology]

従来、この種車両用交流発電機は特開昭56−5355
5号にて開示されている通りで、概ね円筒状の周壁及び
該周壁の両軸線方向端に夫々備えられた第1及び第2の
端壁を有しているハウジングと、該ハウジングの周壁に
対し実質的に同心円関係をなして該ハウジング内空間に
配置されたステータコアを備えるステータとを有し、前
記第1及び第2の端壁の各々には吸入口が備えられ、前
記第1の端壁に対向せられた前記ステータコアの軸線方
向一端に隣接する前記ハウジングの壁の部位には第1の
吐出口が、また、前記第2の端壁に対向せられた前記ス
テータコアの軸線方向他端に隣接する前記ハウジングの
璧の部位には第2の吐出口が夫々備えられている。
Conventionally, this kind of AC generator for vehicles was disclosed in Japanese Patent Application Laid-Open No. 56-5355.
As disclosed in No. 5, there is provided a housing having a generally cylindrical peripheral wall and first and second end walls respectively provided at both axial ends of the peripheral wall; and a stator core disposed in the housing interior space in substantially concentric relation to the stator, and each of the first and second end walls is provided with an inlet, and the first end A first discharge port is provided at a portion of the wall of the housing adjacent to one end in the axial direction of the stator core facing the wall, and the other end in the axial direction of the stator core is located opposite to the second end wall. A second discharge port is provided in a portion of the wall of the housing adjacent to the second discharge port.

前記車両用交流発電機は更に、前記ステータコアに対し
同心円関係をなして延在する回転可能な軸と、該軸と前
記ステータコアとの間に配備され且つ該軸に固着された
ロータと、該ロータの軸線方向一端と前記第1の端壁と
の間に配備され且つ前記軸に対し固定関係に置かれた第
1のファンと、前記ロータの軸線方向他端と前記第2の
端壁との間に配備され且つ前記軸に対し固定関係に置か
れた第2のファンとを有し、前記第1のファンは周方向
に互いに離隔された複数個の斜流羽根、を有していて前
記軸の回転時空気を実質的に半径方向外方へ及び前記ロ
ータへ向かう軸線方向に流れせしめ、前記軸が回転せら
れる際前記第1のファンは前記第1の端壁に設けられて
いる前記吸込口を通して空気を前記ハウジング内空間に
導入せしめるとともに該導入せられた空気の一部を前記
第1の吐出口を通して、及び残部をロータを横切って前
記第2の吐出口を通して前記ハウジング内空間から夫々
吐出せしめ、また前記第2のファンは前記第2の端壁に
設けられている前記吸込口を通して空気を前記ハウジン
グ内空間に導入せしめるとともに該導入せられた空気を
前記第2の吐出口を通して前記ハウジング内空間から吐
出せしめるよう構成されている。
The vehicular alternator further includes a rotatable shaft extending concentrically with the stator core, a rotor disposed between the shaft and the stator core and fixed to the shaft, and a rotor. a first fan disposed between one axial end of the rotor and the first end wall and placed in a fixed relationship with respect to the shaft; and a first fan disposed between the other axial end of the rotor and the second end wall. a second fan disposed between and in fixed relation to the shaft, the first fan having a plurality of diagonal flow blades circumferentially spaced apart from each other; The first fan is mounted on the first end wall, causing air to flow substantially radially outwardly and axially toward the rotor as the shaft is rotated. Air is introduced into the housing inner space through the suction port, a part of the introduced air is passed through the first discharge port, and the remaining part is passed across the rotor and passed through the second discharge port from the housing interior space. and the second fan introduces air into the inner space of the housing through the suction port provided in the second end wall, and the introduced air through the second discharge port. The liquid is configured to be discharged from the inner space of the housing.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

従来の車両用交流発電機においては、ロータコイルへの
冷却風が少なく、ロータコイルの温度上昇による出力低
下が見られた。
In conventional vehicular alternators, there was little cooling air to the rotor coil, and a decrease in output was observed due to an increase in the temperature of the rotor coil.

〔問題点を解決するための手段〕[Means for solving problems]

本発明は、斜流ファンの内側の一部をさらに斜めに曲げ
、ロータコイルへ向がう軸方向の冷却風の風量を増した
ものである。
In the present invention, a part of the inside of the mixed flow fan is further bent obliquely to increase the amount of cooling air directed toward the rotor coil in the axial direction.

〔実施例〕〔Example〕

以下本発明を、図に示す実施例について説明する。 The present invention will be described below with reference to embodiments shown in the figures.

第2図には本発明による回転子を用いた車両用交流発電
機の全体が長手方向断面で示され、その交流発電機は全
体がIOで示されているハウジングを有している。その
ハウジング1oは概ね円筒状の周壁12と、その周壁1
2の軸線方向一端を実質的に閉じるようその周壁12に
一体に形成された端壁14と、周壁12と別体に形成さ
れていてその周壁の軸線方向他端を実質的に閉じるよう
その周壁12にボルト16及びナフト18で取付けられ
た端壁部材22とを有している。
FIG. 2 shows, in longitudinal section, a vehicle alternator using a rotor according to the invention, the alternator having a housing generally designated IO. The housing 1o includes a generally cylindrical peripheral wall 12 and a peripheral wall 1
an end wall 14 formed integrally with the circumferential wall 12 so as to substantially close one axial end of the circumferential wall 12; and a circumferential wall formed separately from the circumferential wall 12 so as to substantially close the other axial end of the circumferential wall. 12 and an end wall member 22 attached with bolts 16 and naphts 18.

周壁12と一体に形成された端壁14にはそれから半径
方向外方に突出するフランジ部24が備えられ、また、
その端壁14の中央には周壁12と同心円関係をなして
環状壁26が備えられているとともに中心孔2日が備え
られ、その環状壁26のまわりには円周方向に互いに離
隔せられた複数個の開口部部ち吸込口32が配備されて
いる。
An end wall 14 formed integrally with the circumferential wall 12 is provided with a flange portion 24 projecting radially outward therefrom;
An annular wall 26 is provided at the center of the end wall 14 in concentric relationship with the peripheral wall 12, and a center hole 26 is provided around the annular wall 26, the annular walls 26 being spaced apart from each other in the circumferential direction. A plurality of openings or suction ports 32 are provided.

周壁12と別体に形成された端壁部材22の中央にはそ
の周壁12と同心円関係をなして開口34が備えられ、
その中心開口34のまわりには円周方向に互いに離隔せ
られた複数個の開口部即ち吸込口36が配備されている
An opening 34 is provided in the center of the end wall member 22 formed separately from the peripheral wall 12 in a concentric relationship with the peripheral wall 12,
Disposed around the central opening 34 are a plurality of circumferentially spaced openings or inlets 36 .

ハウジング10内空間にはスタータ38が配備され、そ
のステータ38は、周壁12と同心円関係をなしてボル
ト16により固定されたスタータコア46と、そのステ
ータコア46のまわりに巻成されたステータコイル4日
とを有している。そして、ハウジング10の端壁14に
対向するステータコア46の軸線方向一端に隣接する端
壁I4及び/又は周壁12の部位には円周方向に互いに
離隔せられた複数個の第1の吐出口52が、また、端壁
部材22に対向するステータコア46の軸線方向他端に
隣接する周壁12及び/又はその端壁部材22には円周
方向に互いに離隔せられた複数個の第2の吐出口54が
夫々備えられている。
A starter 38 is disposed in the interior space of the housing 10, and the stator 38 includes a starter core 46 fixed by bolts 16 in a concentric relationship with the peripheral wall 12, and a stator coil wound around the stator core 46. It has A plurality of first discharge ports 52 spaced apart from each other in the circumferential direction are provided in a portion of the end wall I4 and/or the peripheral wall 12 adjacent to one axial end of the stator core 46 facing the end wall 14 of the housing 10. However, the peripheral wall 12 adjacent to the other axial end of the stator core 46 facing the end wall member 22 and/or the end wall member 22 includes a plurality of second discharge ports spaced apart from each other in the circumferential direction. 54 are provided respectively.

ハウジング10の周壁12と同心円関係をなして軸56
が延在し、その軸56は、端壁14の環状壁26内に配
備された軸受58、及び端壁部材22に取付けられた軸
受組立体59により回転可能に支持されている。軸56
の一端は端壁14がら外方へ突出せられていて、その突
出せられた軸56の端部にはプーリ60が固着され、そ
のプーリ60は図示していない■ヘルドを介してエンジ
ンの出力軸に連結されるようになっている。また軸56
の他端部57は端壁部材22の中心開口34を通って外
方へ突出せられている。
A shaft 56 is in a concentric relationship with the peripheral wall 12 of the housing 10.
extends, the shaft 56 of which is rotatably supported by a bearing 58 disposed within the annular wall 26 of the end wall 14 and a bearing assembly 59 mounted to the end wall member 22. axis 56
One end of the shaft 56 is projected outward from the end wall 14, and a pulley 60 is fixed to the end of the shaft 56, which is not shown. It is connected to the shaft. Also, the shaft 56
The other end 57 projects outwardly through the central opening 34 of the end wall member 22.

ステータ38の内周面の軸56の外周面との間の空間に
はそれらステータ及び軸56と同心円関係をなしてロー
タ61がその軸56に固着せられ、そのロータ61はボ
ールコア62とそれに巻成さレタロータコイル64とを
有し、そのボールコア62は第2図に示す通り周方向に
互いに離隔された複数個(図示実施例では6(M)の爪
66を有している。
A rotor 61 is fixed to the shaft 56 in a concentric relationship with the stator and shaft 56 in a space between the inner peripheral surface of the stator 38 and the outer peripheral surface of the shaft 56. As shown in FIG. 2, the ball core 62 has a plurality of pawls 66 (6 (M) in the illustrated embodiment) spaced apart from each other in the circumferential direction.

端壁14とロータ61゛のボールコア62の軸線方向一
端面との間には斜流ファン68が配置され、その斜流フ
ァン68は第1図に示される通り、ロータ61のボール
コア62の爪66の数と同数の半径方向突出部71を有
するよう平らな板材をプレス加工して作られたベースプ
レート74を有し、このベースプレート74はボールコ
ア62の軸線方向一端面に固着され、こうして斜流ファ
ン68が軸56に対して固定関係に置かれている。ベー
スプレート74の半径方向突出部71には、その−側縁
に沿って折曲げられて形成された斜流羽根76が形成さ
れ、この斜流羽根76は軸56の軸線に直交する平面に
対し角度が付され、且つボールコア62の各対の互いに
隣接した爪66間の空間に整合して位置せられている。
A mixed flow fan 68 is disposed between the end wall 14 and one end surface in the axial direction of the ball core 62 of the rotor 61, and as shown in FIG. It has a base plate 74 made by pressing a flat plate material to have the same number of radial protrusions 71 as the number of claws 66, and this base plate 74 is fixed to one end surface of the ball core 62 in the axial direction. A flow fan 68 is placed in fixed relation to shaft 56. A diagonal flow blade 76 is formed on the radial protrusion 71 of the base plate 74 by being bent along the negative side edge thereof, and the diagonal flow blade 76 is formed at an angle with respect to a plane orthogonal to the axis of the shaft 56. are attached and positioned in alignment with the spaces between adjacent pawls 66 of each pair of ball cores 62.

また斜流羽根76の内側(軸56側)の一部はさらに斜
めに曲げられて斜流羽根折曲部78が形成されている。
Further, a part of the inner side (on the shaft 56 side) of the mixed flow blade 76 is further bent obliquely to form a mixed flow blade bent portion 78.

軸56が矢印79で示される方向へ回転せられる際、斜
流羽根76は冷却用空気を半径方向外方及びロータ61
へ向かう軸線方向の両方向へ流れせしめ、斜流羽根折曲
部78は冷却用空気のほとんどをロータ61へ向かう軸
線方向へ流れせしめる。
When shaft 56 is rotated in the direction indicated by arrow 79, mixed flow vanes 76 direct cooling air radially outwardly and toward rotor 61.
The diagonal flow blade bent portion 78 causes most of the cooling air to flow in both axial directions toward the rotor 61 .

ロータ61のボールコア62の軸線方向他端面と端壁部
材22との間には遠心ファン80が配備され、その遠心
ファン80はボールコア62の軸線方向他端面に固着さ
れている軸56に対し固定関係に置かれている。そして
、その遠心ファン80は軸56の回転時空気を実質的に
半径方向外方へ流れせしめるよう構成されている。
A centrifugal fan 80 is disposed between the other axial end surface of the ball core 62 of the rotor 61 and the end wall member 22, and the centrifugal fan 80 is connected to the shaft 56 fixed to the other axial end surface of the ball core 62. placed in a fixed relationship. The centrifugal fan 80 is configured to cause air to flow substantially radially outward when the shaft 56 rotates.

第2図に示される通り、端壁部材22の外面にはカバ一
部材32がボルト・ナンド組立体84によって取付けら
れ、その端壁部材22とカバ一部材82との間に空間を
画定している。その空間内には軸56の他端部57が収
容され、その他端部57にはスリップリング86が嵌合
せられ、そのスリップリング86にはブラシ88が摺動
係合せしめられている。また、端壁部材22とカバ一部
材82との間に画定された空間内には十−一対のダイオ
ードフィン90が配備され、そのダイオードフィン90
はボルト・ナンド組立対84のボルトのまわりに取付け
られている。更に、端壁部材22とカバ一部材82との
間に画定された空間内にはレギュレータ92が配備され
、そのレギュレータ92はナツト94によってカバ一部
材82に固定されている。そして、カバ一部材には円周
方向に互いに隔離せられた複数個の開口95が備えられ
ている。
As shown in FIG. 2, a cover member 32 is attached to the outer surface of the end wall member 22 by a bolt and NAND assembly 84, defining a space between the end wall member 22 and the cover member 82. There is. The other end 57 of the shaft 56 is housed in the space, and a slip ring 86 is fitted into the other end 57, and a brush 88 is slidably engaged with the slip ring 86. Moreover, ten to one pairs of diode fins 90 are arranged in the space defined between the end wall member 22 and the cover member 82, and the diode fins 90
is attached around the bolt of the bolt/Nand assembly pair 84. Furthermore, a regulator 92 is provided within the space defined between the end wall member 22 and the cover member 82, and the regulator 92 is fixed to the cover member 82 by a nut 94. The cover member is provided with a plurality of openings 95 spaced apart from each other in the circumferential direction.

上述のごとく構成された本発明車両用交流発電機の作動
について以下説明する。軸56が回転せられるとその軸
に固着されているロータ61、斜流ファン63及び遠心
ファン80が回転せられる。
The operation of the vehicular alternator of the present invention constructed as described above will be explained below. When the shaft 56 is rotated, the rotor 61, mixed flow fan 63, and centrifugal fan 80 fixed to the shaft are rotated.

斜流ファン6日はそれが回転せられる際端壁14に設け
られている吸込口32から冷却用空気を矢印96で示す
ようにハウジング10内空間へ導入し、その際軸受58
を冷却する。その軸受58を冷却した空気は、斜流ファ
ン68の斜流羽根76により一部は実質的に半径方向外
方へ及び残部はロータ61へ向かって実質的に軸線方向
へ流れせしめられる。また斜流羽根折曲部78により冷
却用空気はロータ61へ向かって実質的に軸線方向へ流
れせしめられる。半径方向外方ら流れせしめられた冷却
用空気は、矢印97で示すようにステータ38のステー
タコア48を横切って流れてそのステータコイルを冷却
し、その後第1の吐出口52を通ってハウジング内空間
から吐出せられる。
When the mixed flow fan 6 is rotated, cooling air is introduced into the interior space of the housing 10 from the suction port 32 provided in the end wall 14 as indicated by an arrow 96, and at this time, the bearing 58
to cool down. A portion of the air that has cooled the bearing 58 is forced to flow substantially radially outwardly by the mixed flow vanes 76 of the mixed flow fan 68 and the remaining portion flows substantially axially toward the rotor 61 . Further, the cooling air is caused to flow substantially in the axial direction toward the rotor 61 by the diagonal flow blade bent portion 78 . The radially outwardly directed cooling air flows across the stator core 48 of the stator 38 as indicated by arrows 97 to cool the stator coil, and then passes through the first outlet 52 and into the housing interior space. It can be discharged from

斜流羽根76及び斜流羽根折曲部78により軸線方向へ
流れせしめられた空気は矢印98で示すようにロータ6
1のボールコア62の爪66間の空間を流れてそのロー
タのロータコイル64を冷却し、その後ステータ38の
ステータコイル48を横切ってそのコイルを冷却し、第
2の吐出口54から外部へ流れせしめられる。
The air forced to flow in the axial direction by the mixed flow blades 76 and the mixed flow blade bent portions 78 is directed toward the rotor 6 as shown by an arrow 98.
The air flows through the space between the pawls 66 of the ball core 62 of one ball core 62 to cool the rotor coil 64 of that rotor, then crosses the stator coil 48 of the stator 38 to cool that coil, and flows to the outside from the second discharge port 54. I am forced to do it.

遠心ファン80はそれが回転せられる際カバ一部材82
に設けられている開口95がら空気を第2図中矢印99
で示すように、そのカバ一部材82と端壁部材22との
間の空間に導入し、その際レギュレータ92、ブラシ8
8及びダイオードフィン90を冷却し、端壁部材22に
設けられた吸込口36へ流入せられる。その吸込口36
へ流入せられる際冷却用空気は軸受組立体59を冷却す
る。その軸受組立体59を冷却した空気は遠心フアン8
0により実質的に半径方向外方へ流れせしめられ、ステ
ータ38のコイル48を横切ってそのコイルを冷却し、
斜流ファン68により送られてきた矢印98で示される
空気流とともに第2の吐出口54よりハウジング内空間
から吐出せられ験した結果は第3図に出力特性図として
示す通りで、Aは従来の回転子構造のものの出力特性曲
線であり、Bは本発明の回転子構造のものの出力特性曲
線で、熱時13.5 V一定とし、ロータコイル励磁電
流は従来のもので熱時3.15Aであったのが、本発明
のものでは3.25 Aとなり、回転数500Orpm
において出力電流は従来のもので43゜5Aであったが
、本発明のものでは45Aとなり、励磁電流で0.1 
A、出力電流で1.5Aの増加が見られた。本発明を適
用した発電機において、励磁電流が増したのは、ロータ
コイルの冷却性が向上し温度が下がり、抵抗値が減少し
たためである。
When the centrifugal fan 80 is rotated, the cover member 82
Air is drawn through the opening 95 provided in the arrow 99 in FIG.
As shown, the regulator 92 and the brush 8 are introduced into the space between the cover member 82 and the end wall member 22.
8 and the diode fins 90, and then flowed into the suction port 36 provided in the end wall member 22. Its suction port 36
The cooling air cools the bearing assembly 59 as it flows into the bearing assembly 59 . The air that cooled the bearing assembly 59 is supplied to the centrifugal fan 8
0 to flow substantially radially outwardly across the coils 48 of the stator 38 to cool the coils;
The results obtained by discharging the air from the housing interior space through the second outlet 54 together with the air flow shown by the arrow 98 sent by the mixed flow fan 68 are as shown in the output characteristic diagram in FIG. 3, where A is the conventional B is the output characteristic curve of the rotor structure of the present invention, which is constant at 13.5 V when hot, and the rotor coil excitation current is 3.15 A when hot with the conventional rotor structure. However, in the present invention, it was 3.25 A, and the rotation speed was 500 rpm.
In the conventional model, the output current was 43°5A, but in the present invention, it was 45A, and the excitation current was 0.1
A, an increase of 1.5A was observed in the output current. In the generator to which the present invention is applied, the excitation current increases because the cooling performance of the rotor coil is improved, the temperature is lowered, and the resistance value is reduced.

なお、上記実施例では、斜流ファンを2つの部分に明確
に折り曲げた場合を示したが、斜流羽根折曲部を滑らか
に曲線状に折り曲げても同等の効果が得られる。
In the above embodiment, the case where the mixed flow fan is clearly bent into two parts is shown, but the same effect can be obtained even if the bent part of the mixed flow blade is smoothly bent into a curved shape.

なお、ファンの全てを斜流ファンにする必要はなく、斜
流ファンは爪相互間にあれば良く、斜流ファン相互間に
遠心ファンを混在させても良い。
Note that it is not necessary that all the fans be mixed-flow fans, and the mixed-flow fans may be provided between the claws, or centrifugal fans may be mixed between the mixed-flow fans.

〔発明の効果〕 上述のように、本発明になる車両用交流発電機の回転子
においては、斜流ファンの斜流羽根76の一部を折曲げ
た斜流羽根折曲部78により斜流ファンの軸線方向の風
量が増し、ロータコイルの冷却性が向上し、ロータコイ
ルの温度上昇を低減でき、励磁電流の増加による出力増
加を得られるという効果が大である。
[Effects of the Invention] As described above, in the rotor of the vehicle alternator according to the present invention, the mixed flow is controlled by the mixed flow blade bent portion 78, which is formed by bending a part of the mixed flow blade 76 of the mixed flow fan. This has the great effect of increasing the air volume in the axial direction of the fan, improving the cooling performance of the rotor coil, reducing the temperature rise of the rotor coil, and increasing the output by increasing the excitation current.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は本発明になる車両用交流発電機の回転子におけ
る斜流ファン部の一部分の外観平面図、第2図は本発明
になる回転子を通用した車両用交流発電機の長手方向縦
断面図である。第3図は従来の発電機と本発明発電機の
特性を比較して示す出力特性曲線図である。 10・・・ハウジング、12・・・周壁、14・・・端
壁、16・・・ボルト、13・・・ナツト、22・・・
端壁部材、24・・・フランジ部、26・・・環状壁、
28・・・中心孔1.32・・・吸込口、34・・・中
心開口、36・・・吸込口、38・・・ステータ、46
・・・ステータコア、48・・・ステータコイル、52
・・・第1の吐出口、54・・・第2の吐出口、56・
・・軸、57・・・他端部、58・・・軸受、59・・
・軸受組立体、60・・・プーリ、61・・・ロータ、
62・・・ボールコア、64・・・ロータコイル、66
・・・爪、68・・・斜流ファン、71・・・ベースプ
レート74の半径方向突出部、74・・・ベースプレー
ト、76・・・斜流羽根、78・・・斜流羽根折曲部、
79・・・矢印、80・・・遠心ファン、82・・・カ
バ一部材、84・・・ボルト・ナツト組立体、86・・
・スナップリング、8日・・・ブラシ、90・・・ダイ
オードフィン、92・・・レギュレータ、95・・・開
口、96.97,98゜99・・・矢印。
FIG. 1 is an external plan view of a portion of the mixed flow fan section in the rotor of the vehicle alternator according to the present invention, and FIG. 2 is a longitudinal cross-section of the vehicle alternator using the rotor according to the present invention. It is a front view. FIG. 3 is an output characteristic curve diagram comparing and showing the characteristics of a conventional generator and a generator of the present invention. DESCRIPTION OF SYMBOLS 10... Housing, 12... Peripheral wall, 14... End wall, 16... Bolt, 13... Nut, 22...
End wall member, 24... flange portion, 26... annular wall,
28... Center hole 1.32... Suction port, 34... Center opening, 36... Suction port, 38... Stator, 46
... Stator core, 48 ... Stator coil, 52
...first discharge port, 54...second discharge port, 56.
...Shaft, 57...Other end, 58...Bearing, 59...
・Bearing assembly, 60...Pulley, 61...Rotor,
62...Ball core, 64...Rotor coil, 66
... Claw, 68... Diagonal flow fan, 71... Radial protrusion of base plate 74, 74... Base plate, 76... Diagonal flow blade, 78... Diagonal flow blade bent part,
79...Arrow, 80...Centrifugal fan, 82...Cover member, 84...Bolt/nut assembly, 86...
・Snap ring, 8th... Brush, 90... Diode fin, 92... Regulator, 95... Opening, 96.97, 98° 99... Arrow.

Claims (1)

【特許請求の範囲】[Claims] ロータの少なくも片側面に斜流ファンを設け、この斜流
ファンがボールコアの互いに隣接する爪相互間に位置し
ている回転子において、斜流羽根の内側の一部をさらに
斜めに曲げて斜流羽根折曲部を形成したことを特徴とす
る車両用交流発電機の回転子。
A mixed flow fan is provided on at least one side of the rotor, and in the rotor where the mixed flow fan is located between adjacent pawls of the ball core, a part of the inner side of the mixed flow blade is further bent obliquely. A rotor for an alternator for a vehicle, characterized in that a bent portion of mixed flow blades is formed.
JP24109784A 1984-11-14 1984-11-14 Rotor for ac generator for vehicle Withdrawn JPS61121741A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP24109784A JPS61121741A (en) 1984-11-14 1984-11-14 Rotor for ac generator for vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP24109784A JPS61121741A (en) 1984-11-14 1984-11-14 Rotor for ac generator for vehicle

Publications (1)

Publication Number Publication Date
JPS61121741A true JPS61121741A (en) 1986-06-09

Family

ID=17069241

Family Applications (1)

Application Number Title Priority Date Filing Date
JP24109784A Withdrawn JPS61121741A (en) 1984-11-14 1984-11-14 Rotor for ac generator for vehicle

Country Status (1)

Country Link
JP (1) JPS61121741A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH037039A (en) * 1989-06-02 1991-01-14 Mitsubishi Electric Corp Ac generator for vehicle
EP1443630A2 (en) * 2003-01-29 2004-08-04 Delphi Technologies, Inc. Generator with fan

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5834565B2 (en) * 1975-01-24 1983-07-27 ミヤサカ ヨシキ Mukibutsusen Inoseizouhouhou
JPS59178935A (en) * 1983-03-25 1984-10-11 Nippon Denso Co Ltd Ac generator for vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5834565B2 (en) * 1975-01-24 1983-07-27 ミヤサカ ヨシキ Mukibutsusen Inoseizouhouhou
JPS59178935A (en) * 1983-03-25 1984-10-11 Nippon Denso Co Ltd Ac generator for vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH037039A (en) * 1989-06-02 1991-01-14 Mitsubishi Electric Corp Ac generator for vehicle
EP1443630A2 (en) * 2003-01-29 2004-08-04 Delphi Technologies, Inc. Generator with fan
EP1443630A3 (en) * 2003-01-29 2005-11-30 Delphi Technologies, Inc. Generator with fan

Similar Documents

Publication Publication Date Title
US4418295A (en) Multi-path cooling in AC generator for vehicle
JP3419080B2 (en) Rotating electric machine
US5710467A (en) Alternator
JPS62221839A (en) Ac generator for motor car
JP2661545B2 (en) Rotating electric machine
US6844638B2 (en) Fan for rotating electric machine
US7358630B2 (en) Ventilating device for rotary electrical machine
JP3294497B2 (en) Alternator
US7109612B2 (en) Ventilating device for electrical machine in particular for motor vehicle
JP2000083350A (en) Alternating-current generator for vehicle
JPS61121741A (en) Rotor for ac generator for vehicle
WO2020255331A1 (en) Centrifugal fan, and rotating electrical machine
JPS6216776Y2 (en)
JPH09172752A (en) Ac generator
CN110630536A (en) Fan and electromechanical assembly and method thereof
US7633196B2 (en) Vehicle-use alternator
JPS6020748A (en) Ac generator for vehicle
JPS5942546B2 (en) Vehicle alternator
US7619336B2 (en) Vehicle-use generator with reduced fan noise
JPS60204240A (en) Ac generator for vehicle
JPH09201009A (en) Ac generator
JPH0542218B2 (en)
JP3658863B2 (en) Rotating electric machine
JPS6155332B2 (en)
US10305351B2 (en) Rotating electrical machine for vehicle

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees