JPS62178136A - Ac generator for car - Google Patents
Ac generator for carInfo
- Publication number
- JPS62178136A JPS62178136A JP2062786A JP2062786A JPS62178136A JP S62178136 A JPS62178136 A JP S62178136A JP 2062786 A JP2062786 A JP 2062786A JP 2062786 A JP2062786 A JP 2062786A JP S62178136 A JPS62178136 A JP S62178136A
- Authority
- JP
- Japan
- Prior art keywords
- enclosure
- coil
- liquid
- cooling
- stator
- 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
- 238000001816 cooling Methods 0.000 claims abstract description 26
- 239000000110 cooling liquid Substances 0.000 claims abstract description 17
- 230000005284 excitation Effects 0.000 claims abstract description 15
- 239000000945 filler Substances 0.000 claims abstract description 6
- 239000002826 coolant Substances 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract description 2
- 230000020169 heat generation Effects 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 15
- 210000000078 claw Anatomy 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 230000001681 protective effect Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、自動車など車両の機関に駆動される車両用
交流発電１機に関し、特に冷却の改良にかかわる。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a vehicle AC power generator driven by an engine of a vehicle such as an automobile, and particularly relates to improvement of cooling.
従来の車両用交流発電機は第４図に断面図で示すように
なっていた。ｌは回転軸で、プーリ２が固着されている
。３は回転軸１に固着された回転子で、次のように構成
されている。４は回転子鉄心、５は一方の磁極鉄心で、
複数の磁極爪部５ａが円周方向に対し間隔をあけて出さ
れている。６は磁極爪部５ａの内周に固着された非磁性
の支持環、７はこの支持環６に固着された他方−極鉄心
で、複数の磁極爪部７ａが円周方向に対し間隔をあけ、
上記磁極爪部５５Ｌとは交互に出されている０８は回転
子鉄心４及び他方の磁極鉄心７にエアギャップを介し配
設された固定の励磁側鉄心、９はこの鉄心８に保持され
た励磁コイル、１０は固定子鉄心で、スロットに固定子
コイル１１を保持している。１２は軸受１４を介し回転
軸１を支持し、かつ、固定子鉄心１０を結合支持する的
ブラケットで、冷却風の出口穴１．２ａが設けられてい
る。１３は固定子鉄心１０を結合支持する後ブラケット
で、軸受１５を介し回転軸１を支持するとともに１鉄心
８を固着支持しており、冷却風の入口穴１３ａが設けら
れている。１６は固定子コイル１１による交流電力を直
流電力に変換する整流器、１７は発電機電圧を検出し励
磁電流を制御し、端子電圧を所定に調整する電圧調整器
、１８は回転旬１に固定されたファンである。A conventional vehicular alternator has a cross-sectional view shown in FIG. 1 is a rotating shaft to which a pulley 2 is fixed. 3 is a rotor fixed to the rotating shaft 1, and is configured as follows. 4 is the rotor core, 5 is one of the magnetic pole cores,
A plurality of magnetic pole claw portions 5a are provided at intervals in the circumferential direction. 6 is a non-magnetic support ring fixed to the inner periphery of the magnetic pole claw part 5a, 7 is the other pole iron core fixed to this support ring 6, and the plurality of magnetic pole claw parts 7a are spaced apart from each other in the circumferential direction. ,
08, which are alternately protruded from the above-mentioned magnetic pole claw portions 55L, is a fixed excitation side iron core disposed through an air gap between the rotor core 4 and the other magnetic pole core 7, and 9 is an excitation side iron core held in this iron core 8. A stator core 10 holds a stator coil 11 in a slot. Reference numeral 12 denotes a target bracket that supports the rotary shaft 1 via a bearing 14 and also connects and supports the stator core 10, and is provided with an outlet hole 1.2a for cooling air. Reference numeral 13 denotes a rear bracket for coupling and supporting the stator core 10, which supports the rotary shaft 1 via a bearing 15 and firmly supports the 1 core 8, and is provided with an inlet hole 13a for cooling air. 16 is a rectifier that converts the alternating current power generated by the stator coil 11 into direct current power; 17 is a voltage regulator that detects the generator voltage, controls the excitation current, and adjusts the terminal voltage to a predetermined value; and 18 is fixed to the rotating shaft 1; I'm a big fan.
上記従来装置において、車両の機関の回転によりベルト
を介し回転軸ｌが回転される。これによφ、固定子コイ
ル１１に誘起された交流電圧は電圧調整器１７により所
定に調整され、整流された直流電力が励磁コイル９に通
電されるとともに蓄′４（池など負荷に供給される。In the conventional device described above, the rotating shaft l is rotated via the belt by the rotation of the vehicle engine. As a result, the AC voltage induced in the stator coil 11 is adjusted to a predetermined value by the voltage regulator 17, and the rectified DC power is energized to the excitation coil 9 and supplied to the load such as the storage '4 (reservoir). Ru.
一方、ファン１８の回転により後ブラケット１３の入口
穴１３ａから冷却風が吸込まれ、機内を通風冷却し、前
ブラケット１２の出口穴１２ａから引出されファン１８
により吐出される。On the other hand, as the fan 18 rotates, cooling air is sucked in from the inlet hole 13a of the rear bracket 13, cools the inside of the machine, and is drawn out from the outlet hole 12a of the front bracket 12.
Discharged by
上記のような従来の車両用直流発電機では、ファン１８
による冷却風の流通によった冷却であり、冷却効果が十
分でなく、ファン１８が大きく騒音が高く、また、外気
通風により絶縁低下するという問題点があった。In the conventional vehicle DC generator as described above, the fan 18
The cooling effect is insufficient, the fan 18 is large and noisy, and there are problems in that the insulation deteriorates due to the ventilation of outside air.
さらに、出力増加の場合、冷却風量増大のためファン１
８がいっそう大きくなり風損の増大とともに騒音も増大
するという問題点があった。Furthermore, in the case of an increase in output, fan 1
8 becomes even larger, leading to an increase in windage loss and an increase in noise.
この発明は、このような問題点を解決するためになされ
たもので、ファンによる通風冷却によることなく、効果
の大きい冷却手段により、小形軽量化し、ファンによる
損失及び騒音をなくした車両用交流発電機を得ることを
目的としている。This invention was made to solve these problems, and it is an AC power generator for vehicles that uses a highly effective cooling means without relying on ventilation cooling by a fan, is smaller and lighter, and eliminates the loss and noise caused by the fan. The purpose is to take advantage of the opportunity.
この発明にかかる車両用交流発電機は、固定子コイル端
部を絶縁充てん物を介し金属囲い体により囲い、この囲
い体の背面と前、後ブラケットの内壁部との間に円周方
向に流通路を形成し、冷却液を流通させるとともに、後
ブラケットの外端部に冷却カバーを取付け、双方間に分
岐流通路を形成し、この冷却カバーの外端面に整流器及
び電圧調’Ｉ！：器を取付け、−分岐流通路に冷却液を
分岐して流通するようにしたものである。In the vehicle alternator according to the present invention, the ends of the stator coils are surrounded by a metal enclosure via an insulating filler, and communication flows in the circumferential direction between the back of the enclosure and the inner walls of the front and rear brackets. At the same time, a cooling cover is attached to the outer end of the rear bracket to form a branch flow passage between the two, and a rectifier and a voltage regulator are installed on the outer end surface of this cooling cover. : A container is installed, and the cooling liquid is distributed through branched flow passages.
との発明においては、冷却液の流通により固定子コイル
及び同定鉄心が効果的に冷却され、整流器及び電圧調整
器が冷却カバーを介し冷却され、冷却された１１ｆ、後
ブラケットによυ軸受を冷却するとともに、流動する機
内空気又は励磁側鉄心を介し励磁コ′イルを冷却する。In the invention, the stator coil and identification iron core are effectively cooled by the circulation of cooling fluid, the rectifier and voltage regulator are cooled through the cooling cover, and the υ bearing is cooled by the cooled 11f and rear bracket. At the same time, the excitation coil is cooled via the flowing in-machine air or the excitation side iron core.
第１図はこの発明による車両用交流発電機の一実施例を
示す縦断面図で、第２図は第１図の一部破断して示す正
面図であり、１，２．６．７．’７ａ、９〜１１ 、１
４〜１７は上記従来装置と同一のものである。２１は回
転子で、回転軸１に固着された一方の磁極鉄心２２！／
ｃは複数の磁極爪部２２ａが円周方向に対し間隔をおけ
、上記磁極爪部７ａとは交互に出されている。FIG. 1 is a longitudinal cross-sectional view showing one embodiment of a vehicle alternator according to the present invention, and FIG. 2 is a partially cutaway front view of FIG. 1. 1, 2.6.7. '7a, 9-11, 1
4 to 17 are the same as the conventional device described above. 21 is a rotor, and one magnetic pole iron core 22 is fixed to the rotating shaft 1! /
C, a plurality of magnetic pole claw portions 22a are spaced apart from each other in the circumferential direction, and extend alternately with the magnetic pole claw portions 7a.
２３は一方及び他方の磁極鉄心２２及び７にエアギャッ
プを介し配設された固定の励磁側鉄心で、励磁コイル９
を保持している。２４は固定子コイル１１の両コイル端
を囲う両側１対の囲い体で 良熱伝導のアルミニウムな
どの金属材からなり、コイル端との間に合成樹脂などか
らなる絶縁充てん材２５が充てんされ、固定子鉄心１０
に液密に固着されておシ、固定子コイル１１を液密に保
護している。Reference numeral 23 denotes a fixed excitation side iron core disposed between one and the other magnetic pole iron cores 22 and 7 through an air gap, and the excitation coil 9
is held. Reference numeral 24 denotes a pair of enclosures on both sides surrounding both coil ends of the stator coil 11, which are made of a metal material such as aluminum with good thermal conductivity, and are filled with an insulating filler 25 made of synthetic resin or the like between the coil ends. Stator core 10
The stator coil 11 is liquid-tightly fixed to the stator coil 11 to protect the stator coil 11 in a liquid-tight manner.
この囲い体２４の背面には円周方向の複数の放熱フィン
２４１）が設けられている。A plurality of circumferential radiation fins 241) are provided on the back surface of the enclosure 24.
次に、２６は固定子鉄心１０を支持する前ブラケットで
、環状溝２６ａに囲い体２４の端部の円筒状突起２４ａ
をはめ込み、粘性状のシリコン系などのガスケット２７
により液密に封止しており、内壁と囲い体２４の背面と
の間に円周方向に冷却液の流通路３２ａが形成されてい
る。この前ブラケット２６には冷却液の流入管２日及び
流出管２９が設けられており、双方開位置に囲い体２４
の背面との間に仕切部２６１）が設けられである。３５
は車両の機関の冷却液循環系路の往路側から流入管２８
に連結されたチューブ、３６は流出管２９に連結され上
記冷却液循環系路の帰路側に戻すチューブである。３０
は前ブラケット２６にＯリング３１を介し液密に結合さ
れた後ブラケットで、環状溝３０ａに囲い体２４の円筒
状突起２４ａをはめ込み、粘性状のガスケツ）２’７に
より液密に封止している。後ブラケット３０は励磁側鉄
心２３を固着するとともに、軸受１５を支持しており、
冷却液の分岐穴３０ｃ及び戻し穴３０ｄが設けられてい
る。後ブラケット３ｏの内壁と後側の囲い体２４の背面
との間に、半径方向に冷却液の流通路３２ｔ）が形成さ
れており、流入側と流出側を仕切る仕切部３０１）が設
けられている。Next, 26 is a front bracket that supports the stator core 10, and a cylindrical projection 24a at the end of the enclosure 24 is inserted into the annular groove 26a.
Insert the gasket 27 made of viscous silicone, etc.
A cooling liquid flow path 32a is formed in the circumferential direction between the inner wall and the back surface of the enclosure 24. The front bracket 26 is provided with an inflow pipe 2 and an outflow pipe 29 for cooling liquid, and the enclosure 24 is provided with both in the open position.
A partition portion 261) is provided between the rear surface and the rear surface of the screen. 35
is the inflow pipe 28 from the outgoing side of the coolant circulation system of the vehicle engine.
A tube 36 is connected to the outflow pipe 29 and returns to the return side of the coolant circulation system. 30
is a rear bracket that is liquid-tightly connected to the front bracket 26 via an O-ring 31, and the cylindrical protrusion 24a of the enclosure 24 is fitted into the annular groove 30a, and is sealed liquid-tightly with a viscous gasket 2'7. ing. The rear bracket 30 fixes the excitation side iron core 23 and supports the bearing 15.
A cooling liquid branch hole 30c and a return hole 30d are provided. A coolant flow path 32t) is formed in the radial direction between the inner wall of the rear bracket 3o and the back surface of the rear enclosure 24, and a partition 301) is provided to partition the inflow side and the outflow side. There is.
３３は良熱伝導金属材からなり、後ブラケット３０の外
端部に液密に取付けられた冷却カバー・で、双方間に冷
却液の分岐流通路３２ｃが形成されており、分岐穴３０
ｃからの冷却液を流通し、戻し穴３０ｄから流通路３２
１）の途中に戻す。この冷却カバー３３の内面には冷却
液の流れ方向に複数の放熱フィン３３ａが設けられであ
る。冷却カバー３３の外端面には、整流器１６がヒート
シンク１６ａを介し固着され、電圧調整器１７がヒート
シンク１７ｂを介し固着されている。３４は後ブラケツ
） ３０に取付けられた保護カバーである。Reference numeral 33 denotes a cooling cover made of a metal material with good thermal conductivity and attached to the outer end of the rear bracket 30 in a liquid-tight manner, with a branch flow path 32c for cooling liquid formed between the two, and a branch hole 30.
The cooling liquid from c flows through the flow path 32 from the return hole 30d.
Return to the middle of 1). A plurality of radiation fins 33a are provided on the inner surface of the cooling cover 33 in the flow direction of the cooling liquid. A rectifier 16 is fixed to the outer end surface of the cooling cover 33 via a heat sink 16a, and a voltage regulator 17 is fixed via a heat sink 17b. 34 is a protective cover attached to the rear bracket 30.
上記一実施例の装置の冷却作用は、次のようＫなる０車
両の機関の低温の冷却液が一部分流され、流入管２Ｂか
ら流入され、流通路３２ａ、３２ｂを矢印のように流通
し、固定子鉄心１０ 、固定子コイル１１を冷却して温
度上昇し、流出管２９から流出され、機関の冷却液循環
系路の復路側に戻される。The cooling effect of the device of the above-mentioned embodiment is as follows: The low-temperature coolant of the engine of the vehicle K is partially flowed, flows into the inflow pipe 2B, and flows through the flow passages 32a and 32b as shown by the arrow. The stator core 10 and the stator coil 11 are cooled to rise in temperature, and then flowed out from the outflow pipe 29 and returned to the return side of the coolant circulation path of the engine.
また、流入管２８から流通路３２１）に流入した冷却液
の一部は、分岐穴３０ｂから分岐流通路３２ｃを矢印の
ように流通し、冷却カバー３３を介し整流器１６及び電
圧調整器１７を冷却し、流通路３２ｂの途中に戻される
。Further, a part of the cooling liquid that has flowed into the flow passage 321) from the inflow pipe 28 flows through the branch flow passage 32c from the branch hole 30b as shown by the arrow, and cools the rectifier 16 and voltage regulator 17 via the cooling cover 33. Then, it is returned to the middle of the flow path 32b.
さらに、冷却液に効果的に直接冷却された、前。In addition, the front was effectively cooled directly into the coolant.
ブラケット２６は軸受１４を吸熱冷却し、後ブラケット
３０は軸受１５を吸熱冷却するとともに、励磁側鉄心２
３を介し励磁コイル９を吸熱冷却する。The bracket 26 endothermically cools the bearing 14, and the rear bracket 30 endothermically cools the bearing 15, and the excitation side iron core 2
3, the excitation coil 9 is endothermically cooled.
各囲い体２４には放熱フィン２４１）が設けられ、冷却
カバー３３には放熱フィン３３ａが設けられており、熱
交換を増大し冷却効果がいっそう向上される。Each enclosure 24 is provided with a radiation fin 241), and the cooling cover 33 is provided with a radiation fin 33a, which increases heat exchange and further improves the cooling effect.
こうして、発熱の大きい固定子コイル１１．整流器１６
．電圧調整器１７及び励磁コイル９は効果的に冷却され
、温度上昇が大幅に抑制され、また、ファンを要せず、
その通風騒音をなくすることができる。In this way, the stator coil 11. which generates a large amount of heat. Rectifier 16
．． The voltage regulator 17 and the excitation coil 9 are effectively cooled, temperature rise is significantly suppressed, and no fan is required.
That ventilation noise can be eliminated.
第３図はこの発明による車両用交流発電機の他の実施例
を示す縦断面図である０回転子４１は回転軸１に固着さ
れた一方及び他方の磁極鉄心４２及び４３と、これらに
保持された励磁コイル９からなり、磁極鉄心４２から出
された複数の磁極爪部４２ａと、磁極鉄心４３から出さ
れた複数の磁極爪部４３ａとが父互に配されである０４
４は励磁コイル９に通電するスリップリングで、ブラシ
装置４５により集電される。後ブラケット３０には冷却
カバー４６が液密に取付けられ、分岐流通路３２ｃが形
成され、冷却カバー４７には整流器１６及び電圧調整器
１７が取付けられている。４７は保護カバーでめる０前
、後プラケツ） ２６，３０は冷却液による直接冷却で
内部空気と効果的に熱交換され、したがって、回転子４
１部の回転による内部空気の流動で、励磁コイル９を動
電よく放熱することができる。FIG. 3 is a longitudinal cross-sectional view showing another embodiment of the vehicle alternator according to the present invention. A plurality of magnetic pole claw portions 42a extending from a magnetic pole iron core 42 and a plurality of magnetic pole claw portions 43a extending from a magnetic pole iron core 43 are mutually arranged.
Reference numeral 4 denotes a slip ring that energizes the excitation coil 9, and the current is collected by a brush device 45. A cooling cover 46 is liquid-tightly attached to the rear bracket 30, forming a branch flow passage 32c, and a rectifier 16 and a voltage regulator 17 are attached to the cooling cover 47. 47 is a protective cover (front and rear brackets) 26 and 30 are directly cooled by the cooling liquid and are effectively heat exchanged with the internal air, so the rotor 4
Due to the flow of internal air due to the rotation of one part, heat can be efficiently radiated from the exciting coil 9 electrodynamically.
なお、上記実施例では機関の冷却液循環系路から冷却液
を一部分流して発電機に流通させたが、これに限らず、
別系統の冷却液循環手段を設けてもよい。In addition, in the above embodiment, a portion of the coolant was flowed from the coolant circulation system of the engine to the generator, but the present invention is not limited to this.
A separate system of cooling liquid circulation means may be provided.
以上のように、この発明によれば、固定子コイルの両コ
イル端を絶縁樹脂光てん材を介し金属囲い体で囲い、前
、後ブラケットの内壁と囲い体の背面との間に形成され
た円周方向の流通路に冷却液を流通し、後ブラケットと
これに取付けた冷却カバーとの間に形成された分岐流通
路に冷却液を一部分岐して流通し、この冷却カバーの外
端面に整流器及び電圧調整器を取付けたので、発熱部が
効果的に冷却され、小型軽量化でき、従来のような通風
による５騒音や風損がなくされ、また、全閉となるので
、外気による絶縁低下や、有害ガスや塩害などによる被
害が防止される。As described above, according to the present invention, both coil ends of the stator coil are surrounded by a metal enclosure via an insulating resin optical fiber material, and a metal enclosure is formed between the inner walls of the front and rear brackets and the back of the enclosure. The cooling liquid flows through a circumferential flow passage, and part of the coolant is branched and distributed through a branch flow passage formed between the rear bracket and a cooling cover attached to the rear bracket, and the cooling liquid is distributed on the outer end surface of the cooling cover. Since a rectifier and voltage regulator are installed, the heat generating part can be effectively cooled, reducing the size and weight, eliminating noise and wind damage caused by conventional ventilation, and since it is completely closed, insulation from outside air can be avoided. This prevents damage caused by harmful gases, salt damage, etc.
第１図はこの発明による車両用交流発電機の縦断面図、
筒２図は第１図の装置の保護カバーを除き一部破断して
示す正面図、第３図はこの発明の他の実施例を示す車両
用交流発電機の縦断面図、第４図は従来の車両用交流発
電機の縦断面図である０
１・・・回転軸、７・・・磁極鉄心、９・・・励磁コイ
ル、１ｏ・・固定子鉄心、１１・・・固定子コイル、１
４．１５・・・軸受、１６・・・整流器、１７・・・電
圧調整器、２１・・・回転子、２２・・・磁極鉄心、２
４・・・囲い体、２４ｂ・・・放熱フィン、２５・・・
絶縁充てん材、２６・・・前ブラケット、２６ａ・・・
環状溝、３０・・・後ブラケット、３ｏａ・・・環状γ
紙３２ａ 、 ３２ｂ・・・流通路、３２Ｃ・・・分岐
流通路、３３・・・冷却カバー、３３ａ・・・放熱フィ
ン、４１・・・回転子、４２゜４３・・・磁極鉄心、４
６・・・冷却カバーなお、図中同一符号は閤−又は相当
部分を示す。FIG. 1 is a longitudinal cross-sectional view of a vehicle alternator according to the present invention;
Figure 2 is a partially cutaway front view of the device shown in Figure 1, excluding the protective cover, Figure 3 is a vertical cross-sectional view of a vehicle AC generator showing another embodiment of the invention, and Figure 4 is a partially cutaway front view of the device shown in Figure 1, with the protective cover removed. It is a vertical cross-sectional view of a conventional vehicle alternator. 1
4.15... Bearing, 16... Rectifier, 17... Voltage regulator, 21... Rotor, 22... Magnetic pole iron core, 2
4... Enclosure body, 24b... Radiation fin, 25...
Insulating filler, 26...Front bracket, 26a...
Annular groove, 30... Rear bracket, 3oa... Annular γ
Paper 32a, 32b...Flow path, 32C...Branch flow path, 33...Cooling cover, 33a...Radiation fin, 41...Rotor, 42° 43...Magnetic pole iron core, 4
6...Cooling cover Note that the same reference numerals in the drawings indicate the corresponding parts.
Claims (4)
磁コイルにより励磁される回転子磁極鉄心と、この磁極
鉄心を囲い固定子コイルが装着された固定子鉄心と、こ
の固定子鉄心を支持するとともに、それぞれ軸受を介し
上記回転軸を支持する前ブラケツト及び後ブラケツトと
、整流器と電圧調整器とを備えた車両用交流発電機にお
いて、上記固定子コイルの両コイル端をそれぞれ絶縁充
てん材を介し液密に囲う両側１対の金属囲い体、内側部
でこの一方の囲い体の外端部に液密に結合され、内壁と
この囲い体の背面との間に円周方向に冷却液の流通路が
形成された前ブラケツト、内側部で上記他方の囲い体の
外端部に液密に結合され、内壁とこの囲い体との間に円
周方向に冷却液の流通路が形成された後ブラケツト、及
びこの後ブラケツトの外端部に液密に取付けられ、双方
間に形成された分岐流通路に後ブラケツトの流通路から
冷却液を分岐して流通させ、外端面に上記整流器と電圧
調整器を固着した冷却カバーを備えた車両用交流発電機
。(1) A rotor magnetic pole core that is fixed to the rotating shaft rotated by the vehicle engine and excited by an excitation coil, a stator core that surrounds this pole core and has a stator coil attached to it, and supports this stator core. At the same time, in a vehicle alternator equipped with a front bracket and a rear bracket that support the rotating shaft through bearings, a rectifier, and a voltage regulator, both coil ends of the stator coil are each provided with an insulating filler. a pair of metal enclosures on both sides liquid-tightly enclosing the enclosure, the inner part being liquid-tightly connected to the outer end of one of the enclosures, and the cooling liquid flowing in the circumferential direction between the inner wall and the back surface of the enclosure; a front bracket having a flow passage formed therein; the inner side thereof is liquid-tightly coupled to the outer end of the other enclosure, and a circulation passage for cooling liquid is formed in the circumferential direction between the inner wall and this enclosure; The rear bracket is liquid-tightly attached to the outer end of the rear bracket, and the cooling liquid is branched from the flow passage of the rear bracket to the branch flow passage formed between the two, and the above-mentioned rectifier and voltage are connected to the outer end surface. A vehicle alternator with a cooling cover to which the regulator is fixed.
流通路に流通するようにした特許請求の範囲第１項記載
の車両用交流発電機。(2) The vehicular alternator according to claim 1, wherein a part of the coolant is diverted from the coolant circulation system of the engine and distributed to the flow path.
囲第１項又は第２項記載の車両用交流発電機。(3) The vehicular alternator according to claim 1 or 2, wherein a heat radiation fin is provided on the back surface of the enclosure.
特許請求の範囲第１項ないし第３項のいづれかに記載の
車両用交流発電機。(4) The vehicular alternator according to any one of claims 1 to 3, wherein a heat radiation fin is provided on the side of the branch flow passage of the cooling cover.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2062786A JPS62178136A (en) | 1986-01-30 | 1986-01-30 | Ac generator for car |
| US07/000,348 US4739204A (en) | 1986-01-30 | 1987-01-05 | Liquid cooled a.c. vehicle generator |
| EP87100503A EP0231785B1 (en) | 1986-01-30 | 1987-01-16 | Vehicle mounted a.c. generator |
| EP91121789A EP0480484B1 (en) | 1986-01-30 | 1987-01-16 | Vehicle mounted a.c. generator |
| DE3751294T DE3751294T2 (en) | 1986-01-30 | 1987-01-16 | Alternator mounted on a vehicle. |
| DE8787100503T DE3780652T2 (en) | 1986-01-30 | 1987-01-16 | ATTACHMENT AC GENERATOR FOR VEHICLES. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2062786A JPS62178136A (en) | 1986-01-30 | 1986-01-30 | Ac generator for car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62178136A true JPS62178136A (en) | 1987-08-05 |
| JPH0467429B2 JPH0467429B2 (en) | 1992-10-28 |
Family
ID=12032474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2062786A Granted JPS62178136A (en) | 1986-01-30 | 1986-01-30 | Ac generator for car |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62178136A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000056035A (en) * | 1999-02-12 | 2000-09-15 | 에릭 발리베 | Alternator for vehicle |
| JP7186843B1 (en) * | 2021-10-13 | 2022-12-09 | 三菱電機株式会社 | Rotating electric machine |
-
1986
- 1986-01-30 JP JP2062786A patent/JPS62178136A/en active Granted
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000056035A (en) * | 1999-02-12 | 2000-09-15 | 에릭 발리베 | Alternator for vehicle |
| JP7186843B1 (en) * | 2021-10-13 | 2022-12-09 | 三菱電機株式会社 | Rotating electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0467429B2 (en) | 1992-10-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |