JP3514527B2 - Rectifier for vehicle alternator - Google Patents
Rectifier for vehicle alternatorInfo
- Publication number
- JP3514527B2 JP3514527B2 JP25319994A JP25319994A JP3514527B2 JP 3514527 B2 JP3514527 B2 JP 3514527B2 JP 25319994 A JP25319994 A JP 25319994A JP 25319994 A JP25319994 A JP 25319994A JP 3514527 B2 JP3514527 B2 JP 3514527B2
- Authority
- JP
- Japan
- Prior art keywords
- cooling fin
- rectifier
- vehicle
- side cooling
- alternator
- 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.)
- Expired - Fee Related
Links
Landscapes
- Motor Or Generator Cooling System (AREA)
- Synchronous Machinery (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、車両用交流発電機の整
流装置に係り、特に自動車用交流発電機に好適な車両用
交流発電機の整流装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rectifier for a vehicle AC generator, and more particularly to a rectifier for a vehicle AC generator suitable for an automobile AC generator.
【０００２】[0002]
【従来の技術】一般に車両用交流発電機の整流装置は、
特開平1−129740 号公報に示す様に（＋）側冷却フィン
と（−）側冷却フィンの間に熱伝導性に優れ、且つ電気
的に絶縁性を有するシート状熱伝導性絶縁部材を挟持し
て重ね合わせたものを複数本のボルトによりエンドフレ
ームに固定する構造としていた。（＋）側冷却フィンに
設けられた整流ダイオードで発生した熱は（＋）側冷却
フィンを介し、ファンにより吸入された冷却風で熱交換
され冷却されると共に熱伝導性絶縁部材を介し（−）側
冷却フィンに伝達し（−）側整流ダイオードで発生した
熱と共にエンドフレームに熱伝達し冷却される様に構成
されている。2. Description of the Related Art Generally, a rectifier for an alternator for a vehicle is
As shown in JP-A-1-129740, a sheet-like thermally conductive insulating member having excellent thermal conductivity and electrical insulation is sandwiched between the (+) side cooling fin and the (-) side cooling fin. Then, the stacked structure was fixed to the end frame with a plurality of bolts. The heat generated by the rectifying diode provided in the (+) side cooling fin is cooled by being exchanged with the cooling air sucked by the fan through the (+) side cooling fin and cooled (-). ) Side cooling fin, and the heat generated in the (-) side rectifying diode is also transferred to the end frame for cooling.
【０００３】[0003]
【発明が解決しようとする課題】上記従来技術では、
（＋）側冷却フィンと（−）側冷却フィンの間のシート
状熱伝導性絶縁部材をボルトにより加締固定した場合、
（＋）側冷却フィンと(−)側冷却フィンの密着は固定部
周辺だけとなり固定部分以外では（＋）側冷却フィンと
（−）側冷却フィンはシート状熱伝導性絶縁部材を境に
互いに反り上がる方向に変形し、（＋）側冷却フィンと
シート状熱伝導性絶縁部材の間、及びシート状熱伝導性
絶縁部材と（−）側冷却フィンの間において空気の層が
発生し断熱層が形成され（＋）側冷却フィンから（−）
側冷却フィンへ十分な熱伝達が行われなくなる。In the above prior art,
When the sheet-shaped heat conductive insulating member between the (+) side cooling fin and the (−) side cooling fin is fixed by caulking,
The (+) side cooling fin and the (-) side cooling fin adhere only to the periphery of the fixed part, and the (+) side cooling fin and the (-) side cooling fin are separated from each other with the sheet-like heat conductive insulating member as a boundary. It deforms in a warping direction, and an air layer is generated between the (+) side cooling fin and the sheet-shaped heat conductive insulating member, and between the sheet heat conductive insulating member and the (-) side cooling fin, and the heat insulating layer is formed. Is formed from the (+) side cooling fin (-)
Not enough heat is transferred to the side cooling fins.
【０００４】従って、車両用交流発電機を同一サイズで
高出力化した場合、整流装置の冷却は厳しくなり、
（＋）側冷却フィンから（−）側冷却フィンへの熱伝達
が低下した状態では整流装置全体の温度を上昇させると
共に（＋）側冷却フィンと（−）側冷却フィンの間に４
〜６℃の温度差を生じさせ（＋）側整流ダイオードのみ
が保証温度を越えて熱疲労寿命を加速させる。このた
め、冷却フィンの変更や整流ダイオード素子のサイズア
ップ等を含めた整流装置全体の冷却の改善が必要とな
る。Therefore, when the vehicle alternator has the same size and high output, cooling of the rectifying device becomes severe,
When the heat transfer from the (+) side cooling fin to the (-) side cooling fin is reduced, the temperature of the entire rectifying device is increased and the temperature between the (+) side cooling fin and the (-) side cooling fin is increased by 4
Only a (+) side rectifier diode exceeds the guaranteed temperature and a thermal fatigue life is accelerated by making a temperature difference of ~ 6 ° C. Therefore, it is necessary to improve the cooling of the entire rectifying device including changing the cooling fin and increasing the size of the rectifying diode element.
【０００５】本発明の目的は、（＋）側冷却フィンと
（−）側冷却フィンの間の温度差を縮小させて整流装置
の冷却効率を向上させることにある。An object of the present invention is to reduce the temperature difference between the (+) side cooling fin and the (-) side cooling fin to improve the cooling efficiency of the rectifying device.
【０００６】[0006]
【課題を解決するための手段】上記車両用交流発電機の
整流装置は、発電機の外枠を構成するエンドフレーム
に、複数個の整流ダイオードを保持する（−）側冷却フ
ィンと（＋）側冷却フィンを熱伝導性絶縁シート部材を
介して重ねて配置し、加締固定してなるものにおいて、
前記冷却フィンの各々と前記熱伝導性絶縁シート部材と
の間の少なくとも何れか一方に、ペースト状の熱伝導性
絶縁部材を介在させることにより達成することができ
る。The rectifier for an automotive alternator has a (-) side cooling fin that holds a plurality of rectifier diodes in an end frame that constitutes an outer frame of the generator, and a (+) side. In the case where the side cooling fins are arranged by overlapping with the heat conductive insulating sheet member interposed therebetween and fixed by crimping ,
This can be achieved by interposing a paste-like thermally conductive insulating member between at least one of the cooling fins and the thermally conductive insulating sheet member.
【０００７】[0007]
【作用】熱伝導性絶縁部材及び絶縁シート部材は、整流
作用により発生した（＋）側整流ダイオードの熱を
（＋）側冷却フィンから効果的に（−）側冷却フィンに
熱伝導し、エンドフレームを介して外気に放熱させる。[Function] The heat conductive insulating member and the insulating sheet member effectively conduct the heat of the (+) side rectifying diode generated by the rectifying action from the (+) side cooling fin to the (-) side cooling fin, and end the heat. Dissipate heat to the outside air through the frame.
【０００８】（−）側冷却フィンと（＋）側冷却フィン
間の熱伝導性の向上により、両冷却フィンの間の温度差
が縮小されエンドフレームへ伝わる伝熱量が増す。従っ
て、（＋）側冷却フィンに設けられた整流ダイオードの
温度上昇はほぼ（−）側整流ダイオード並に改善され
る。By improving the thermal conductivity between the (-) side cooling fins and the (+) side cooling fins, the temperature difference between the cooling fins is reduced and the amount of heat transferred to the end frame is increased. Therefore, the temperature rise of the rectifier diode provided in the (+) side cooling fin is improved almost as much as the (-) side rectifier diode.
【０００９】本発明によれば、（＋）側冷却フィンと
（−）側冷却フィンの間の熱伝導性が向上し（＋）側冷
却フィンと（−）側冷却フィンの間の温度差が縮小され
エンドフレームへ伝わる伝熱量が増す為に（＋）側冷却
フィンに設けられた整流ダイオードの温度上昇が低減さ
れ（＋）側冷却フィンに設けられた整流ダイオードの長
寿命化を図ることができる。According to the present invention, the thermal conductivity between the (+) side cooling fin and the (-) side cooling fin is improved, and the temperature difference between the (+) side cooling fin and the (-) side cooling fin is increased. Since the amount of heat transferred to the end frame is reduced and the temperature rise of the rectifying diode provided in the (+) side cooling fin is reduced, the life of the rectifying diode provided in the (+) side cooling fin can be extended. it can.
【００１０】[0010]
【実施例】図面は本発明の実施例を示すもので、図１は
車両用交流発電機の断面図である。交流発電機を構成す
る一対の椀状のエンドフレーム１，１ａは通常アルミニ
ュウム材にて形成され開口部にて固定子２を挟持し複数
のボルト３で相互に加締め固定されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The drawings show an embodiment of the present invention, and FIG. 1 is a sectional view of an automotive alternator. A pair of bowl-shaped end frames 1 and 1a constituting the AC generator are usually made of aluminum material, and the stator 2 is sandwiched between the openings, and a plurality of bolts 3 clamp each other.
【００１１】該固定子２は固定子コア２ａ及び固定子コ
イル２ｂから構成されている。両エンドフレーム１，１
ａの側面中央には発電機内側に向かって突出する円筒状
の軸受けボックスが形成されそれぞれ軸受け４，４ａが
取り付けられて回転軸５を支持している。回転軸５には
一対の爪形ポールコア６，６ａが嵌合固定され、該ポー
ルコア６，６ａの内周にはボビンに巻装された回転子コ
イル７が挟持されている。そして該ポールコア６，６ａ
の両側面には固定子内径より小さい外径の冷却用遠心フ
ァン８，８ａが回転軸５と同心的に密着固定されてい
る。スリップリング９は前記回転軸５の一端に取り付け
られ前記回転子コイル７とリード線を介して電気的に接
続されている。The stator 2 is composed of a stator core 2a and a stator coil 2b. Both end frames 1, 1
A cylindrical bearing box protruding toward the inside of the generator is formed at the center of the side surface of a, and bearings 4 and 4a are attached to support the rotary shaft 5. A pair of claw-shaped pole cores 6 and 6a are fitted and fixed to the rotary shaft 5, and a rotor coil 7 wound around a bobbin is sandwiched on the inner circumference of the pole cores 6 and 6a. And the pole core 6, 6a
Cooling centrifugal fans 8 and 8a having an outer diameter smaller than the inner diameter of the stator are concentrically fixedly attached to both sides of the rotary shaft 5 concentrically. The slip ring 9 is attached to one end of the rotary shaft 5 and is electrically connected to the rotor coil 7 via a lead wire.
【００１２】プーリ１０はエンドフレーム１及び軸受４
の外側の回転軸５の一方の端にナット１１で結合されて
いる。尚、軸受け４とポールコア６との間にはスペーサ
１２が介在している。また、エンドフレーム１ａの内側
にはブラシ１３ａを有するブラシホルダー１３と、発電
出力を調整するレギュレータ１４と、整流装置１５とを
冷却用遠心ファン８ａと一定の空隙を確保して配置され
たファンガイド１６の上部に配置されてボルト１７でエ
ンドフレーム１ａに保持され、ナット１８で締め付け固
定されている。The pulley 10 includes an end frame 1 and a bearing 4.
Is connected to one end of the rotating shaft 5 on the outside with a nut 11. A spacer 12 is interposed between the bearing 4 and the pole core 6. A fan guide having a brush holder 13 having a brush 13a, a regulator 14 for adjusting a power generation output, and a rectifying device 15 arranged inside the end frame 1a with a centrifugal fan 8a for cooling and a certain gap secured therebetween. It is arranged on the upper part of 16 and is held by the end frame 1 a with a bolt 17, and is fixed by tightening with a nut 18.
【００１３】整流装置１５は図２に示す様に、全体が馬
蹄形状をなす冷却フィン１９，２０とシート状絶縁部材
２１と、該絶縁部材の両面に配置されるペースト状のシ
リコンコンパウンド２２ａ，２２ｂと、端子台２６とか
ら構成される。As shown in FIG. 2, the rectifying device 15 includes cooling fins 19 and 20 having a horseshoe shape as a whole, a sheet-like insulating member 21, and paste-like silicon compounds 22a and 22b arranged on both surfaces of the insulating member. And a terminal block 26.
【００１４】具体的には、冷却フィン１９は、その上に
複数個、図示の実施例では４個の整流ダイオード２３の
（＋）側が圧入により保持され（＋）側冷却フィンを構
成している。また、冷却フィン２０は、上記（＋）側同
様４個の整流ダイオード２４の（−）側が圧入により保
持され（−）側冷却フィンを構成している。冷却フィン
１９と冷却フィン２０との間には、両面にペースト状の
シリコンコンパウンド２２ａ，２２ｂを塗布した熱伝導
性を有するシート状絶縁部材２１を挟み、更に冷却フィ
ン１９の上に整流ダイオード２３，２４の相互結線用の
ターミナル２５を一体成形した端子台２６を配置しファ
ンガイド１６と共にボルト１７を用いてエンドフレーム
１ａにナット１８により締付固定している。なお、シリ
コンコンパウンド２２ａ，２２ｂの代わりにワニス等の
熱硬化性の部材を使用してもよい。Specifically, a plurality of cooling fins 19, and in the illustrated embodiment, four (+) sides of the rectifying diodes 23 are press-fitted to hold the cooling fins 19 to form a (+) side cooling fin. . Further, in the cooling fin 20, as in the above (+) side, the (−) side of the four rectifying diodes 24 is press-fitted and held to form a (−) side cooling fin. Between the cooling fins 19 and the cooling fins 20 are sandwiched a sheet-shaped insulating member 21 having a heat conductivity and coated with paste-like silicon compounds 22a and 22b on both sides, and further, on the cooling fins 19, a rectifying diode 23, A terminal block 26 integrally formed with 24 terminals 25 for mutual connection is arranged, and is fastened and fixed to the end frame 1a by a nut 18 together with the fan guide 16 and a bolt 17. A thermosetting member such as varnish may be used instead of the silicon compounds 22a and 22b.
【００１５】また、上記実施例では冷却フィンに整流ダ
イオードを圧入したものを示しているが素子を直接フィ
ンにろうを用いて接合したものでも本質は変わらない
し、シリコンコンパウンドは必要に応じて片側だけのコ
ーティングだけでも良い場合がある。In the above embodiment, the rectifying diode is press-fitted into the cooling fin. However, the essence does not change even if the element is directly joined to the fin by brazing, and the silicon compound is provided on only one side if necessary. In some cases, just the coating of
【００１６】図４，図５は本発明による整流装置の他の
実施例を示す分解部分断面図であり、図１と同じ部分は
同一符号を使用している。本実施例では、シート状絶縁
部材を挟んで冷却フィン１９及び冷却フィン２０の当接
する面を互いに嵌合する細かな凸凹形状，所謂粗面と
し、冷却フィン１９とシリコンコンパウンドをコーティ
ングしたシート状絶縁部材２１と冷却フィン２０の密着
面積を拡張して放熱面積を拡大させている。4 and 5 are exploded partial sectional views showing another embodiment of the rectifying device according to the present invention, and the same parts as those in FIG. 1 are designated by the same reference numerals. In this embodiment, the contact surfaces of the cooling fins 19 and 20 with the sheet-shaped insulating member sandwiched between them are formed into a fine uneven shape, that is, a so-called rough surface, and the sheet-shaped insulation coated with the cooling fins 19 and the silicon compound. The contact area between the member 21 and the cooling fin 20 is expanded to increase the heat dissipation area.
【００１７】図６，図７は本発明による整流装置の他の
実施例を示す分解部分断面図であり、図１と同じ部分は
同一符号を使用している。本実施例では、シート状絶縁
部材２１の表面に予めプレス成形などにより細かな凸凹
形状を形成することでボルト１７とナット１８の締付に
よりシート状絶縁部材２１がより強く圧縮され、冷却フ
ィン１９とシート状絶縁部材２１と冷却フィン２０の密
着性が向上し冷却フィン１９と冷却フィン２０の間の熱
伝達を向上させる。なお、粗面は凹凸形状の他に波形，
梨地状などが一般的である。6 and 7 are exploded partial sectional views showing another embodiment of the rectifying device according to the present invention, and the same parts as those in FIG. 1 are designated by the same reference numerals. In this embodiment, the sheet-shaped insulating member 21 is more strongly compressed by tightening the bolts 17 and nuts 18 by forming a fine uneven shape on the surface of the sheet-shaped insulating member 21 in advance by press molding or the like, and the cooling fin 19 Adhesion between the sheet-shaped insulating member 21 and the cooling fin 20 is improved, and heat transfer between the cooling fin 19 and the cooling fin 20 is improved. In addition to the uneven surface, the rough surface is corrugated,
The pear-like shape is common.
【００１８】上記実施例によれば、整流作用により
（＋）側整流ダイオードに発生した熱は（＋）側冷却フ
ィン，熱伝導性絶縁部材，絶縁シート部材を介して効果
的に(−)側冷却フィンと熱伝導され、エンドフレームを
介して放熱されるが、（−）側冷却フィンと（＋）側冷
却フィン間の熱伝導性の向上により、両冷却フィンの間
の温度差が縮小されエンドフレームへ伝わる伝熱量が増
す。従って、（＋）側冷却フィンに設けられた整流ダイ
オードの温度上昇はほぼ（−）側整流ダイオード並に改
善され、（＋）側冷却フィンに設けられた整流ダイオー
ドの長寿命化が図られる。According to the above embodiment, the heat generated in the (+) side rectifying diode by the rectifying action is effectively (-) side through the (+) side cooling fin, the heat conductive insulating member and the insulating sheet member. The heat is conducted to the cooling fins and radiated through the end frame, but the temperature difference between the cooling fins is reduced by improving the thermal conductivity between the (-) side cooling fins and the (+) side cooling fins. The amount of heat transferred to the end frame increases. Therefore, the temperature rise of the rectifying diode provided in the (+) side cooling fin is improved almost as much as the (−) side rectifying diode, and the life of the rectifying diode provided in the (+) side cooling fin is extended.
【００１９】例えば、図８からも判るように、定格１８
０Ａクラスの車両用交流発電機において、（＋）側冷却
フィンと（−）側冷却フィンの間の温度差が約４℃から
１℃へと縮小し且つ整流装置の温度上昇が低減される。
これにより整流ダイオードの長寿命化が図られると共に
冷却フィンの拡大や整流ダイオード素子のサイズアップ
することなく車両用交流発電機の高出力化が可能とな
る。For example, as can be seen from FIG.
In the 0A class vehicle AC generator, the temperature difference between the (+) side cooling fin and the (−) side cooling fin is reduced from about 4 ° C. to 1 ° C., and the temperature rise of the rectifier is reduced.
As a result, the life of the rectifier diode can be extended and the output of the vehicle alternator can be increased without increasing the size of the cooling fins or increasing the size of the rectifier diode element.
【００２０】[0020]
【発明の効果】（＋）側冷却フィン及び（−）側冷却フ
ィンと熱伝導性絶縁シート部材との間の少なくとも何れ
か一方に、ペースト状の熱伝導性絶縁部材を介在させる
ことにより、（＋）側冷却フィンと（−）側冷却フィン
の間の温度差を縮小させることができ、冷却効率を向上
させてダイオードの長寿命化が図れる車両用交流発電機
の整流装置を提供することができる。[Effect of the Invention] (+) side cooling fins and (-) side small even without between the cooling fins and the heat-conductive insulating sheet member on one, interposing a paste-like thermally conductive insulating member < Thus, the temperature difference between the (+) side cooling fin and the (−) side cooling fin can be reduced, the cooling efficiency can be improved, and the life of the diode can be extended. it is possible to provide a commutation device.
【図１】本発明の一実施例を示す車両用交流発電機の断
面図。FIG. 1 is a sectional view of an automotive alternator showing an embodiment of the present invention.
【図２】図１の整流装置正面図。FIG. 2 is a front view of the rectifying device of FIG.
【図３】整流装置部の部分分解断面図。FIG. 3 is a partially exploded cross-sectional view of a rectifying device section.
【図４】本発明の他の実施例を示す部分分解断面図。FIG. 4 is a partially exploded sectional view showing another embodiment of the present invention.
【図５】図４の嵌合状態を示す部分断面図。5 is a partial cross-sectional view showing a fitted state of FIG.
【図６】本発明の他の実施例を示す図。FIG. 6 is a diagram showing another embodiment of the present invention.
【図７】図６の固定された状態を示す部分断面図。FIG. 7 is a partial cross-sectional view showing a fixed state of FIG.
【図８】本発明の効果を示す整流装置の温度上昇特性曲
線。FIG. 8 is a temperature rise characteristic curve of a rectifying device showing the effect of the present invention.
１，１ａ…エンドフレーム、２…固定子、２ａ…固定子
コア、２ｂ…固定子コイル、３…ボルト、４，４ａ…軸
受け、５…回転軸、６，６ａ…ポールコア、７…回転子
コイル、８，８ａ…冷却用遠心ファン、９…スリップリ
ング、１０…プーリ、１１…ナット、１２…スペーサ、
１３…ブラシホルダー、１３ａ…ブラシ、１４…レギュ
レータ、１５…整流装置、１６…ファンガイド、１７…
ボルト、１８…ナット、１９…（＋）側冷却フィン、２
０…（−）側冷却フィン、２１…シート状絶縁部材、２
２ａ，２２ｂ…ペースト状シリコンコンパウンド、２
３，２４…整流ダイオード、２５…ターミナル、２６…
端子台。1, 1a ... End frame, 2 ... Stator, 2a ... Stator core, 2b ... Stator coil, 3 ... Bolt, 4, 4a ... Bearing, 5 ... Rotating shaft, 6, 6a ... Pole core, 7 ... Rotor coil , 8, 8a ... Centrifugal fan for cooling, 9 ... Slip ring, 10 ... Pulley, 11 ... Nut, 12 ... Spacer,
13 ... Brush holder, 13a ... Brush, 14 ... Regulator, 15 ... Rectifier, 16 ... Fan guide, 17 ...
Bolts, 18 ... Nuts, 19 ... (+) side cooling fins, 2
0 ... (-) side cooling fins, 21 ... Sheet-shaped insulating member, 2
2a, 22b ... Silicon compound in paste form, 2
3, 24 ... Rectifying diode, 25 ... Terminal, 26 ...
Terminal block.
フロントページの続き (72)発明者 ▲高▼野 雅美 茨城県勝田市大字高場2520番地 株式会 社 日立製作所 自動車機器事業部内 (56)参考文献 特開 平１−129740（ＪＰ，Ａ) 特開 平６−33236（ＪＰ，Ａ) 特開 平６−70508（ＪＰ，Ａ) 特開 平６−233486（ＪＰ，Ａ) 特開 平６−263841（ＪＰ，Ａ) 実開 平１−104637（ＪＰ，Ｕ) 実開 平３−100340（ＪＰ，Ｕ) 実開 昭60−103829（ＪＰ，Ｕ) 実開 昭63−190964（ＪＰ，Ｕ) (58)調査した分野(Int.Cl.7，ＤＢ名) H02K 19/36 H02K 9/02 Continuation of the front page (72) Inventor ▲ Taka ▼ Masami No No. 2520 Takaba, Katsuta City, Ibaraki Prefecture Hitachi Ltd., Automotive Equipment Division, Hitachi, Ltd. (56) Reference JP-A-1-129740 (JP, A) Japanese Unexamined Patent Publication No. 6-33236 (JP, A) Japanese Unexamined Patent Publication No. 6-70508 (JP, A) Japanese Unexamined Patent Publication No. 6-233486 (JP, A) Japanese Unexamined Patent Publication No. 6-263841 (JP, A) , U) Actually open 3-100340 (JP, U) Actually open 60-103829 (JP, U) Actually open 63-190964 (JP, U) (58) Fields investigated (Int.Cl. 7 , DB) Name) H02K 19/36 H02K 9/02
Claims (5)
に、複数個の整流ダイオードを保持する(−)側冷却フィ
ンと（＋）側冷却フィンを熱伝導性絶縁シート部材を介
して重ねて配置し、加締固定してなる車両用交流発電機
の整流装置において、前記冷却フィンの各々と前記熱伝
導性絶縁シート部材との間の少なくとも何れか一方に、
ペースト状の熱伝導性絶縁部材を介在させることを特徴
とする車両用交流発電機の整流装置。1. A (-) side cooling fin for holding a plurality of rectifying diodes and a (+) side cooling fin are stacked on an end frame constituting an outer frame of a generator via a heat conductive insulating sheet member. In a rectifying device for a vehicle AC generator that is arranged and caulked and fixed, at least one of each of the cooling fins and the heat conductive insulating sheet member,
A rectifier for a vehicle AC generator, characterized in that a paste-like thermally conductive insulating member is interposed.
装置において、前記ペースト状の熱伝導性絶縁部材はシ
リコンコンパウンドであることを特徴とする車両用交流
発電機の整流装置。2. A rectifier for the vehicle alternator according to claim 1.
In the device , the paste-like thermally conductive insulating member is a shield.
A rectifying device for an alternator for a vehicle, which is a recompound compound .
装置において、前記ペースト状の熱伝導性絶縁部材は、
熱硬化性部材であるワニスであることを特徴とする車両
用交流発電機の整流装置。3. Rectification of the vehicle alternator according to claim 1.
In the device , the paste-like thermally conductive insulating member ,
A rectifier for a vehicle AC generator, which is a varnish that is a thermosetting member .
交流発電機の整流装置において、冷却フィンは、前記熱
伝導性部材と接する面が粗面になっていることを特徴と
する車両用交流発電機の整流装置。4. A vehicle according to any one of claims 1 to 3.
In rectifier of the alternator, the cooling fins, the rectifier of vehicular alternator, wherein a surface in contact with said thermally conductive member which is a roughened surface.
装置において、前記粗面は波状になっていることを特徴
とする車両用交流発電機の整流装置。5. A rectifier for the vehicle alternator according to claim 4.
In the device , the rough surface is corrugated, and the rectifying device of the vehicle alternator is characterized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25319994A JP3514527B2 (en) | 1994-10-19 | 1994-10-19 | Rectifier for vehicle alternator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25319994A JP3514527B2 (en) | 1994-10-19 | 1994-10-19 | Rectifier for vehicle alternator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08126274A JPH08126274A (en) | 1996-05-17 |
| JP3514527B2 true JP3514527B2 (en) | 2004-03-31 |
Family
ID=17247936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25319994A Expired - Fee Related JP3514527B2 (en) | 1994-10-19 | 1994-10-19 | Rectifier for vehicle alternator |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3514527B2 (en) |
-
1994
- 1994-10-19 JP JP25319994A patent/JP3514527B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08126274A (en) | 1996-05-17 |
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