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JPH01286750A - Generator for motorcar - Google Patents

Generator for motorcar

Info

Publication number
JPH01286750A
JPH01286750AJP11444988AJP11444988AJPH01286750AJP H01286750 AJPH01286750 AJP H01286750AJP 11444988 AJP11444988 AJP 11444988AJP 11444988 AJP11444988 AJP 11444988AJP H01286750 AJPH01286750 AJP H01286750A
Authority
JP
Japan
Prior art keywords
rotor
shaft
stator
rotor shaft
holding member
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.)
Pending
Application number
JP11444988A
Other languages
Japanese (ja)
Inventor
Hajime Kashiwase
柏瀬 一
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.)
Subaru Corp
Original Assignee
Fuji Heavy Industries 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 Fuji Heavy Industries LtdfiledCriticalFuji Heavy Industries Ltd
Priority to JP11444988ApriorityCriticalpatent/JPH01286750A/en
Publication of JPH01286750ApublicationCriticalpatent/JPH01286750A/en
Pendinglegal-statusCriticalCurrent

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Abstract

PURPOSE:To prevent a generator from excessively rotating by interposing a clutch for disconnecting a reversing unit from a rotor shaft when the rotating speed of the shaft rises to a predetermined value or more between the reversing unit and the shaft. CONSTITUTION:A rotor shaft 2 is rotatably supported to an approximately cylindrical casing 1 through bearings 2a, 2b. A pulley 3 is mounted on the shaft 2 at its protrusion, and connected to the driving pulley of an engine through a bent 4 to be rotated. A rotor coil 6 is provided at the position in the casing of the shaft 2, and the stator coil 8 of a stator holding member 7 is disposed oppositely thereto. A reversing unit 16 is composed of a holding member 12, an idle gear 13, a rotor gear 14, etc. Further, a centrifugal clutch 18 is provided between the gear 14 and the shaft 2. Thus, when the shaft rotates at a low speed, its rotating speed is increased through the clutch 18 and the unit 16, while when it rotates at a predetermined speed or over, the clutch 18 is disconnected to stop the rotation of the stator.

Description

Translated fromJapanese

【発明の詳細な説明】[産業上の利用分野]本発明は、ロータの回転が低速である場合にも充分な発
7′r1品を確保することが可能な自動車の発Ti機に
関するものである。
[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an automobile starter machine that is capable of securing sufficient starter products even when the rotor rotates at a low speed. be.

[従来の技術と発明が解決しようとする課題]周知の如
く、自動車等には例えば実開昭58−143466号公
報に開示されているような発電機が搭載されており、エ
ンジンが稼働されるとこの発電機による発電が行なわれ
るようになっている。そして、近年の自動車ではエレク
トロニクス化や安全性を考直してのライトの大型化等に
より必要電力開が増大する傾向にある。
[Prior Art and Problems to be Solved by the Invention] As is well known, automobiles are equipped with generators such as those disclosed in Japanese Utility Model Application Publication No. 58-143466, and the engines are operated. This generator is now used to generate electricity. In recent years, the power requirements of automobiles have tended to increase due to the use of electronics and larger lights in consideration of safety.

ところで、上記エンジンは、燃費や静粛性の要請からア
イドル回転数が低く設定されていることが多い。
Incidentally, the idle speed of the above-mentioned engines is often set low due to demands for fuel efficiency and quietness.

そのため、上記発11fllは、エンジンのアイドル回
転時或いは上記自動車の低速走行時にも充分な発電量を
確保すべく大型化が要請されているが、居住スペース確
保の必要上エンジンルームを大きくすることができず、
発電機の大型化は困難である。
Therefore, the above-mentioned generator 11fll is required to be larger in order to ensure sufficient power generation even when the engine is idling or when the above-mentioned car is running at low speed, but it is necessary to enlarge the engine room to secure living space. I can't do it,
It is difficult to increase the size of the generator.

これに対処するに、上記発電機のロータシャフトに軸装
されているブーりと、このブーりにベルトを介して連設
されている例えばクランクシャフトのブーりとのブーり
比を大きくしてロータ回転数を上昇させ、発1ffiを
増大することが考えられる。
To deal with this, the boost ratio between the booster mounted on the rotor shaft of the generator and the booster of the crankshaft, for example, which is connected to this booster via a belt, is increased. It is conceivable to increase the rotor rotational speed to increase the power output 1ffi.

しかし、上記プーリ比を変えて、例えばエンジンのアイ
ドル回転時に充分な発電曾を得るべくロータシャフトの
回転数を設定すると、上記エンジンを高速回転した場合
に、ロータシャフトが過回転になる可能性がある。
However, if the above-mentioned pulley ratio is changed and the rotation speed of the rotor shaft is set to obtain sufficient power generation when the engine is idling, for example, there is a possibility that the rotor shaft will over-speed when the above-mentioned engine is rotated at high speed. be.

また、上記ベルトは他の補機類のプーリにも巻装されて
いるのが一般的であり、例えば上記クランクシャフトの
ブーり径を大きくした場合、これら他の補機類のブーり
径も大きくする必要が生じ、エンジン全体が大型化して
、設計の自由度が減少せざるを得ない。一方、このブー
りに巻装されているベルトの屈曲半径に限界があるため
、上記ロータシャフトのプーリ径を一定以下にすること
は困難である。
In addition, the above-mentioned belt is generally wrapped around the pulleys of other auxiliary equipment, so for example, if the diameter of the boot of the above-mentioned crankshaft is increased, the diameter of the boob of these other auxiliary equipment also increases. As a result, the overall size of the engine becomes larger, and the degree of freedom in design inevitably decreases. On the other hand, since there is a limit to the bending radius of the belt wound around the bobbin, it is difficult to keep the pulley diameter of the rotor shaft below a certain level.

これに対処するに、例えば実開昭58−115868号
公報、或いは実開昭58−115869号公報等には、
上記クランクシャフトに、直径の異なる′a敗の駆動プ
ーリを軸装すると共に、これらのブーりにベルトを介し
て連設する略同径の従動プーリを上記ロータシャフトに
回転可能に設け、更に、これら従動プーリとロータシャ
フトとの閤にクラッチを設置した技術が開示されている
To deal with this, for example, Japanese Utility Model Application Publication No. 58-115868 or Japanese Utility Model Application Publication No. 58-115869, etc.
Driving pulleys with different diameters are mounted on the crankshaft, and driven pulleys with approximately the same diameter are rotatably provided on the rotor shaft, and the driven pulleys are connected to these pulleys via a belt, and A technique has been disclosed in which a clutch is installed between the driven pulley and the rotor shaft.

そして、クラッチを操作することにより、エンジンを低
速回転する際には大径の駆動プーリとこれに連動する従
動ブーりにてロータシャフトを回転する一方、エンジン
を高速回転する際には小径の駆動ブーりにてロータシャ
フトを回転する。
By operating the clutch, the rotor shaft is rotated by the large-diameter drive pulley and the driven booby linked to it when the engine rotates at low speeds, while the small-diameter drive pulley is used to rotate the rotor shaft when the engine rotates at high speeds. The rotor shaft is rotated by the booster.

しかしながら、これらの先行技術では、ロータシャフト
とクランクシャフトとの夫々に複数のブーりを¥AIす
る必要があり、その分、エンジン及び発電機の小型化が
困難である。また、剛性を確保する必要上、上記ロータ
シャフトを太径に形成する必要があり、その分<ilが
増加せざるを得ない。
However, in these prior art techniques, it is necessary to install a plurality of boots on each of the rotor shaft and the crankshaft, which makes it difficult to downsize the engine and generator. Furthermore, in order to ensure rigidity, it is necessary to form the rotor shaft with a large diameter, which inevitably increases <il.

[発明の目的]本発明は前述の事情に鑑みてなされたものであり、大型
化を回避すると共に、エンジンの低速回転時にも充分な
発ff1ffiを確保することが可能である一方、上記
エンジンの高速回転時に過回転になることを防止した自
動車の発電機を提供することを目的としている。
[Object of the Invention] The present invention has been made in view of the above-mentioned circumstances, and it is possible to avoid increasing the size of the engine and to ensure sufficient ff1ffi even when the engine rotates at low speed. The object of the present invention is to provide a generator for an automobile that prevents over-speeding during high-speed rotation.

[課題を解決するための手段及び作用]前述の課題を解
決するため、本発明による自動車の発電機は、ロータシ
ャフトに設けられたロータコイルに対向して、ステータ
コイルが固定されたステータ保持部材を回転可能に配設
する一方、上記ロータシャフトとステータ保持部材との
間に、ステータをロータの回転方向に対して逆方向に回
転させる反転装置を介装すると共に、該反転装置と上記
ロータシ(Iフトとの間に、ロータシャフトの回転数が
所定回転数以上に上昇した際に切断するクラッチを介装
したものである。
[Means and effects for solving the problems] In order to solve the above-mentioned problems, an automobile generator according to the present invention includes a stator holding member to which a stator coil is fixed opposite to a rotor coil provided on a rotor shaft. is rotatably disposed, and a reversing device for rotating the stator in a direction opposite to the rotational direction of the rotor is interposed between the rotor shaft and the stator holding member, and the reversing device and the rotor shaft ( A clutch is interposed between the I-lift and the I-lift, which is disconnected when the rotational speed of the rotor shaft rises above a predetermined rotational speed.

かかる構成にて、ロータシャフトの回転が低速である際
にクラッチ及び反転装置を介してステータ保持部材を上
記ロータシャフトと反対方向へ回転させ、ロータとステ
ータとの相対的な回転数を増大する一方、上記ロータシ
ャフトの回転が所定回転数以上に上昇した際に、上記ク
ラッチを切断し、ステータの回転を停止する。
With this configuration, when the rotor shaft is rotating at a low speed, the stator holding member is rotated in the opposite direction to the rotor shaft through the clutch and the reversing device, thereby increasing the relative rotational speed between the rotor and the stator. , when the rotation of the rotor shaft increases to a predetermined rotation speed or more, the clutch is disengaged and the rotation of the stator is stopped.

[発明の実施例1以下、図面を参照して本考案による自動車の発電機の実
施例を説明する。
[Embodiment 1 of the Invention] Hereinafter, an embodiment of an automobile generator according to the present invention will be described with reference to the drawings.

第1図乃至第3図は本発明の第一実施例に係り、第1図
は発電機の断面側面図、第2図は保持部材の斜視図、第
3図はエンジン回転数に対する発生電力の特性図である
1 to 3 relate to the first embodiment of the present invention, in which FIG. 1 is a cross-sectional side view of the generator, FIG. 2 is a perspective view of the holding member, and FIG. 3 is the relationship between generated power and engine speed. It is a characteristic diagram.

これらの図において、符号1は略円筒形に形成されたケ
ーシングであり、このケーシング1に軸受2a、2bを
介してロータシャフト2が回転自在に支承されている。
In these figures, reference numeral 1 denotes a casing formed in a substantially cylindrical shape, and a rotor shaft 2 is rotatably supported by the casing 1 via bearings 2a and 2b.

上記ロータシャフト2の一端は上記ケーシング1外へ突
出され、この突出された部位にプーリ3が軸装されてい
る。このプーリ3はベルト4を介して図示しないエンジ
ンの駆動ブーりに連設されていて、このエンジンにて上
記ロータシャフト2が回転されるようになっている。
One end of the rotor shaft 2 projects out of the casing 1, and a pulley 3 is mounted on this projecting portion. This pulley 3 is connected via a belt 4 to a drive wheel of an engine (not shown), so that the rotor shaft 2 is rotated by the engine.

また、上記ロータシャフト2のケーシング1内に挿入さ
れた部位にはロータコイル6が設けられている。一方、
このロータコイル6に対向して、ステータ保持部材7に
固定されたステータコイル8が配設されている。
Further, a rotor coil 6 is provided at a portion of the rotor shaft 2 inserted into the casing 1. on the other hand,
A stator coil 8 fixed to a stator holding member 7 is arranged opposite to the rotor coil 6 .

上記ステータ保持部材7は、ベアリング7a。The stator holding member 7 includes a bearing 7a.

7bを介して上記ケーシング1に回転自在に支承されて
いる。また、このステータ保持部材7と上上記ケーシン
グ1との間にはワンウェイクラッチ9が配設されていて
、ステータ保持部材7が上記ロータシャフトと同方向へ
回転することを防止している。
It is rotatably supported by the casing 1 via 7b. Further, a one-way clutch 9 is disposed between the stator holding member 7 and the upper casing 1, and prevents the stator holding member 7 from rotating in the same direction as the rotor shaft.

更に、上記ステータ保持部材7の外側には遠心ブレーキ
11のシュー11aが設けられている一方、上記ケーシ
ング丁の内側にはこのシュー118に対向するライナ1
1bが配設されている。そして、上記ステータ保持部材
7が所定回転数以上で回転されると上記シュー11aが
拡開してライナ11bに接触することにより上記ステー
タ保持部材7の回転が停止されるようになっている。
Furthermore, a shoe 11a of the centrifugal brake 11 is provided on the outside of the stator holding member 7, while a liner 1 facing the shoe 118 is provided on the inside of the casing.
1b is arranged. When the stator holding member 7 is rotated at a predetermined number of revolutions or more, the shoe 11a expands and contacts the liner 11b, thereby stopping the rotation of the stator holding member 7.

また、上記ステータ保持部材7の一端には内歯に形成さ
れたステータギヤ7Cが設けられていて、このステータ
ギヤ7Cが保持部材12に支承された複数のアイドルギ
ヤ13に噛合され、更にこのアイドル−1!ヤ13が、
上記ロータシャフト2にベアリング14aを介して回動
自在に設けられたロータギヤ14に噛合されている。尚
、上記保持部材12.アイドルギヤ13.〇−タギャ1
4等にて反転装ff116が構成されている。
Further, a stator gear 7C formed with internal teeth is provided at one end of the stator holding member 7, and this stator gear 7C meshes with a plurality of idle gears 13 supported by the holding member 12, ! Ya13 is
It is engaged with a rotor gear 14 rotatably provided on the rotor shaft 2 via a bearing 14a. Note that the holding member 12. Idle gear 13. 〇-Tagya 1
A reversing device ff116 is constituted by 4 and the like.

第2図に示す如く、上記保持部材12はリング状に形成
され、ボルト12aにて上記ケーシング1に固定される
ようになっている。また、この保持部t412に、ビン
17を介して上記アイドルギヤ13が保持されている。
As shown in FIG. 2, the holding member 12 is formed into a ring shape and is fixed to the casing 1 with bolts 12a. Further, the idle gear 13 is held in this holding portion t412 via a pin 17.

そして、このアイドルギヤ13が上記保持部材12の外
側及び内側に突出されていて、この突出された部位のそ
れぞれが、上記ステータギヤ7C及びロータ1!ヤ14
に噛合されている。
The idle gear 13 is protruded to the outside and inside of the holding member 12, and each of the protruded parts corresponds to the stator gear 7C and the rotor 1! Ya14
is engaged with.

また、ロータギヤ14とロータシャフト2との間にはク
ラッチの一例である遠心クラッチ18が設けられている
Further, a centrifugal clutch 18, which is an example of a clutch, is provided between the rotor gear 14 and the rotor shaft 2.

即ち、上記ロータギヤ14の一側に、ロータシャフト2
と平行なうイナI!$14bが形成されている。また、
上記ロータシャフト2にキー19aにて固定された回転
板19の終端部19bが、上記ライナ部14bに対向さ
れている。上記回転板19には弾性体21aにて上記ラ
イナ部14b方向へ付勢されたプレッシャ21が設けら
れていて、上記回転板19が回転されるとこのプレッシ
ャ21を介してロータギヤ14が回転される一方、回転
板19の回転が所定回転数に達すると、上記プレッシャ
21に遠心力が作用してライナ部14bより離間し、上
記ロータギヤ14への回転力の伝達が停止されるように
なっている。
That is, the rotor shaft 2 is attached to one side of the rotor gear 14.
Parallel to Ina I! $14b has been formed. Also,
A terminal end portion 19b of the rotary plate 19 fixed to the rotor shaft 2 with a key 19a faces the liner portion 14b. The rotary plate 19 is provided with a pressure 21 that is biased toward the liner portion 14b by an elastic body 21a, and when the rotary plate 19 is rotated, the rotor gear 14 is rotated via this pressure 21. On the other hand, when the rotation of the rotating plate 19 reaches a predetermined number of rotations, a centrifugal force acts on the pressure 21, causing it to separate from the liner portion 14b, and the transmission of rotational force to the rotor gear 14 is stopped. .

一方、上記ケーシング1にはレギュレータ22及びレフ
ティファイヤ23が固定されており、上記ロータコイル
6及びステータコイル8にて発電゛された電流をこれら
レギュレータ22.レフティフッイヤ23を介して外部
へ供給するようになっている。
On the other hand, a regulator 22 and a leftifier 23 are fixed to the casing 1, and the current generated by the rotor coil 6 and stator coil 8 is transferred to the regulator 22. It is designed to be supplied to the outside via the left feeder 23.

次に、前述の構成による実施例の作用を説明する。Next, the operation of the embodiment with the above-described configuration will be explained.

図示しないエンジンを稼働すると、ベルト4を介してプ
ーリ3及び0−タシャフト2が回転する。
When an engine (not shown) is operated, the pulley 3 and the shaft 2 rotate via the belt 4.

また、ロータシャフト2に固定されている回転板19が
回転することにより、遠心クラッチ18を介してロータ
ギヤ14が回転する。すると、保持部材12のアイドル
ギヤ13を介して、ケーシング1に支承されているステ
ータ保持部材7が上記ロータシャフト2と反対方向へ回
転する。
Further, as the rotating plate 19 fixed to the rotor shaft 2 rotates, the rotor gear 14 rotates via the centrifugal clutch 18. Then, the stator holding member 7 supported by the casing 1 rotates in the opposite direction to the rotor shaft 2 via the idle gear 13 of the holding member 12.

上記ロータシャフト2にはロータコイル6が、また上記
ステータ保持部材7にはステータコイル8がそれぞれ固
定されているため、これらロータコイル6とステータコ
イル8とが相対的に回転されることにより発電され、こ
の発電による電流がレギュレータ22及びレフティファ
イヤ23を介して、整流された状態で外部へ供給される
Since a rotor coil 6 is fixed to the rotor shaft 2 and a stator coil 8 is fixed to the stator holding member 7, electric power is generated by the relative rotation of the rotor coil 6 and stator coil 8. The current generated by this power generation is supplied to the outside through the regulator 22 and leftifier 23 in a rectified state.

上記エンジンの回転数を次第に上昇すると、この回転数
の上昇に伴ってロータコイル6の回転が上昇する。同時
に、ステータコイル8の反対方向の回転が共に上昇する
。そのため、これらロータコイル6とステータコイル8
との間の相対的な速度は、上記エンジンの回転数の上昇
率よりも高い上界率にて上昇し、供給電力量を増加する
When the rotational speed of the engine is gradually increased, the rotational speed of the rotor coil 6 increases as the rotational speed increases. At the same time, the rotation of the stator coil 8 in the opposite direction increases together. Therefore, these rotor coils 6 and stator coils 8
The relative speed between the two increases at a higher bound rate than the rate of increase in the engine speed, increasing the amount of power supplied.

その結果、第3図に示す如く、エンジンが始動されてこ
のエンジンの回転数がr2rp−に達する比較的短い時
間で、例えば自動車等の必要電力量v1が発電されて供
給される。
As a result, as shown in FIG. 3, in a relatively short time after the engine is started and the engine speed reaches r2rp-, the amount of electric power v1 required for, for example, an automobile is generated and supplied.

尚、同図中の鎖線はロータコイルのみが回転される従来
の発電機による電気量を表したものである。即ち、ロー
タコイルのみが回転される場合、上記必要電力ff1V
1を供給するためにはエンジンがrlrp−以上で回転
される必要があり、このrlrl)−以下の回転数領域
では必要電気it V tを確保することが困難である
のに対し、ステータコイル8がロータコイル6と反対方
向に回転する本発明では、発電される電気量が急速に上
昇するため、エンジンの回転がr2rplまで達すると
必要電気iV1を確保することが可能である。
Note that the chain line in the figure represents the amount of electricity generated by a conventional generator in which only the rotor coil is rotated. That is, when only the rotor coil is rotated, the above required power ff1V
In order to supply the stator coil 8, the engine needs to be rotated at a speed of rlrp- or higher, and it is difficult to secure the necessary electricity itVt in the rotational speed range below this rlrl)-. In the present invention, in which the rotor coil 6 rotates in the opposite direction to the rotor coil 6, the amount of electricity generated increases rapidly, so that it is possible to secure the necessary electricity iV1 when the engine rotation reaches r2rpl.

また、上記エンジンの回転数がrlrplに達した際に
は、前述の従来の技術の比較してはるかに多aの電力を
供給することができる。そのため、発電機を大型化する
ことなく多量の電力を供給することが可能である。
Furthermore, when the engine speed reaches rlrpl, much more power can be supplied than in the conventional technology described above. Therefore, it is possible to supply a large amount of power without increasing the size of the generator.

上記エンジンの回転数が更に上昇されて、r3「p−に
達すると、これに伴って上記ロータシャフト2及びステ
ータ保持部材7の回転も上昇される。
When the rotation speed of the engine is further increased and reaches r3 "p-," the rotation of the rotor shaft 2 and the stator holding member 7 is also increased accordingly.

すると、このステータ保持部材7に設けられている遠心
ブレーキ11のシュー11aに遠心力が作用されて拡開
し、このシュー118に対向してケーシング1に配設さ
れたライナ11bに接触する。
Then, a centrifugal force is applied to the shoe 11a of the centrifugal brake 11 provided on the stator holding member 7, causing it to expand and come into contact with the liner 11b provided on the casing 1 facing the shoe 118.

また、上記ロータシャフト2による遠心力が遠心クラッ
チ18のプレッシャ21に作用され、このプレッシャ2
1がロータギヤ14のライナ部14bより離間される。
Further, the centrifugal force by the rotor shaft 2 is applied to the pressure 21 of the centrifugal clutch 18, and this pressure 2
1 is spaced apart from the liner portion 14b of the rotor gear 14.

そして、ロータシャフト2の回転のステータ保持部材7
への伝達が遮断され、このステータ保持部材7が上記遠
心ブレーキ11にて停止される。
Then, the stator holding member 7 for rotation of the rotor shaft 2
The stator holding member 7 is stopped by the centrifugal brake 11.

その結果、ロータコイル6のみが回転される状態となり
、このロータコイル6とステータコイル8との間の相対
的な速度は急速に下降し、第3図に示す如く発電口は低
下する。しかし、この段階では上記ロータシャフト2は
エンジンのr3rplの回転数に対応する速度以上にて
回転されており、発′11Ilが必要電力filVt以
下となることはない。
As a result, only the rotor coil 6 is rotated, the relative speed between the rotor coil 6 and the stator coil 8 rapidly decreases, and the power generation port decreases as shown in FIG. However, at this stage, the rotor shaft 2 is being rotated at a speed higher than the rotational speed of the engine r3rpl, and the power output '11Il never becomes less than the required power filVt.

尚、上記ステータ保持部材7とケーシング1との間には
ワンウェイクラッチ9が介装されているため、ステータ
コイル8がロータコイル6の回転方向と同方向へ回転し
て発生電力量が減少することは防止される。
In addition, since the one-way clutch 9 is interposed between the stator holding member 7 and the casing 1, the stator coil 8 rotates in the same direction as the rotation direction of the rotor coil 6, thereby reducing the amount of generated power. is prevented.

かくして、上記エンジンの回転数が上昇された際にはロ
ータコイル6のみが回転する一方、エンジンの回転数が
低下された際にはステータコイル8が上記ロータコイル
6と反対方向へ回転されて、常時必VIWi気mを供給
する。
Thus, when the engine speed increases, only the rotor coil 6 rotates, while when the engine speed decreases, the stator coil 8 rotates in the opposite direction to the rotor coil 6. Always supply VIWim.

尚、本実施例ではステータ保持部材に遠心ブレーキが設
けられていると共に、上記ステータ保持部材とケーシン
グとの間にワンウェイクラッチが介装されているため、
このステータ保持部材を確実に停止させることが可能で
あるという効果を有する。
In this embodiment, the stator holding member is provided with a centrifugal brake, and a one-way clutch is interposed between the stator holding member and the casing.
This has the effect that the stator holding member can be stopped reliably.

また、本実施例では反転装置をギヤ列として構成した例
を説明したが、この反転装置はギヤ列に限定されるべき
ものではなく、例えばrs擦車等他のものにて構成する
ことも可能である。
Further, in this embodiment, an example in which the reversing device is configured as a gear train has been described, but this reversing device is not limited to a gear train, and may be configured with other devices such as an rs friction wheel. It is.

第4図及び第5図は本発明の第二実施例に係り、第4図
はクラッチの側面図、第5図はクラッチの斜視図である
。尚、前述の第一実施例と同じ部材及び同様の働きをな
す部材には同一符号を付して説明を省略する。
4 and 5 relate to a second embodiment of the present invention, FIG. 4 is a side view of the clutch, and FIG. 5 is a perspective view of the clutch. Incidentally, the same members and members having the same function as those in the first embodiment described above are given the same reference numerals, and the explanation thereof will be omitted.

この実施例では、ロータギヤ14のライナ部14bをロ
ータシャフト2と直角方向に形成すると共に、このライ
ナ部14bにクラッチ板25を対設したものである。
In this embodiment, a liner portion 14b of the rotor gear 14 is formed perpendicularly to the rotor shaft 2, and a clutch plate 25 is provided opposite to the liner portion 14b.

上記クラッチ板25は、ロータシャフト2に固定された
スリーブ24に、弾性を有する複数のプレート26にて
連設されており、上記ロータシャフト2の軸方向へ所定
距離摺動することが可能となっている。また、上記クラ
ッチ板25に対向して、発電量が必要電力量以下又はエ
ンジンの回転数がr3rp−以下になった場合に励磁さ
れるよう設定された電磁コイル27が設けられている。
The clutch plate 25 is connected to a sleeve 24 fixed to the rotor shaft 2 by a plurality of elastic plates 26, and can slide a predetermined distance in the axial direction of the rotor shaft 2. ing. Further, an electromagnetic coil 27 is provided opposite the clutch plate 25 and is set to be energized when the amount of power generation is less than the required amount of electric power or when the engine speed is less than r3rp-.

そして、この電磁コイル27が励磁されると上記りラッ
チ板25が所定距離摺動し、ライナ部14bに接触され
るようになっている。
When the electromagnetic coil 27 is excited, the latch plate 25 slides a predetermined distance and comes into contact with the liner portion 14b.

このような構成にて、エンジンを始動すると電磁コイル
27が励磁されてクラッチ板25がプレート26の弾性
力に抗して摺動し、このクラッチ板25がロータギヤ1
4のライナ部14bに接触する。この状態でロータシャ
フト2が回転されると、このロータシャフト2の回転に
伴ってロータギヤ14が回転され、アイドルギヤ13を
介してステータ保持部材7が回転される。
With this configuration, when the engine is started, the electromagnetic coil 27 is excited and the clutch plate 25 slides against the elastic force of the plate 26, and this clutch plate 25 is connected to the rotor gear 1.
The liner portion 14b of No. 4 is contacted. When the rotor shaft 2 is rotated in this state, the rotor gear 14 is rotated with the rotation of the rotor shaft 2, and the stator holding member 7 is rotated via the idle gear 13.

そして、発電量が増加したり、またはエンジンの回転数
が上昇すると、上記励磁コイル27の励磁が停止され、
クラッチ板25がプレート26の弾性によりライナ部1
4bより離間して〇−タギャ14へ回転力が伝達されな
くなり、上記ロータシャフト2のみが回転される。
Then, when the amount of power generation increases or the engine speed increases, the excitation of the excitation coil 27 is stopped,
Due to the elasticity of the plate 26, the clutch plate 25
4b, rotational force is no longer transmitted to the O-tag gear 14, and only the rotor shaft 2 is rotated.

[発明の効果]以上説明したように、本発明によるエンジンの[1では
、大型化することなく、エンジンの低速回転時にも充分
な発Wi同を確保することが可能であり、また、上記エ
ンジンの高速回転時にもロータが過回転になることはな
い。
[Effects of the Invention] As explained above, in the engine [1] according to the present invention, it is possible to ensure sufficient engine power even when the engine rotates at low speed without increasing the size, and the above-mentioned engine The rotor does not over-rotate even when rotating at high speeds.

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

第1図乃至第3図は本発明の第一実施例に係り、第1図
は発′r1機の断面側面図、第2図は保持部材の斜視図
、第3図はエンジン回転数に対する発生電力の特性図、
第4図及び第5図は本発明の第二実施例に係り、第4図
はクラッチの側面図、第5図はクラッチの斜視図である
。2φφ・ロータシャフト6・・・ロータコイル7・・・ステータ保持部材8・・・ステータコイル16・・反転装置18・・クラッチ
1 to 3 relate to the first embodiment of the present invention, FIG. 1 is a cross-sectional side view of the generator, FIG. 2 is a perspective view of the holding member, and FIG. Electric power characteristic diagram,
4 and 5 relate to a second embodiment of the present invention, FIG. 4 is a side view of the clutch, and FIG. 5 is a perspective view of the clutch. 2φφ・Rotor shaft 6・Rotor coil 7・Stator holding member 8・Stator coil 16・Reversing device 18・Clutch

Claims (1)

Translated fromJapanese
【特許請求の範囲】[Claims]ロータシャフトに設けられたロータコイルに対向して、
ステータコイルが固定されたステータ保持部材を回転可
能に配設する一方、上記ロータシャフトとステータ保持
部材との間に、ステータをロータの回転方向に対して逆
方向に回転させる反転装置を介装すると共に、該反転装
置と上記ロータシャフトとの間に、ロータシャフトの回
転数が所定回転数以上に上昇した際に切断するクラッチ
を介装したことを特徴とする自動車の発電機。
Opposing the rotor coil provided on the rotor shaft,
A stator holding member to which the stator coil is fixed is rotatably disposed, and a reversing device is interposed between the rotor shaft and the stator holding member to rotate the stator in a direction opposite to the rotational direction of the rotor. A generator for an automobile, further comprising a clutch interposed between the reversing device and the rotor shaft, which is disconnected when the rotational speed of the rotor shaft increases to a predetermined rotational speed or more.
JP11444988A1988-05-101988-05-10Generator for motorcarPendingJPH01286750A (en)

Priority Applications (1)

Application NumberPriority DateFiling DateTitle
JP11444988AJPH01286750A (en)1988-05-101988-05-10Generator for motorcar

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
JP11444988AJPH01286750A (en)1988-05-101988-05-10Generator for motorcar

Publications (1)

Publication NumberPublication Date
JPH01286750Atrue JPH01286750A (en)1989-11-17

Family

ID=14638011

Family Applications (1)

Application NumberTitlePriority DateFiling Date
JP11444988APendingJPH01286750A (en)1988-05-101988-05-10Generator for motorcar

Country Status (1)

CountryLink
JP (1)JPH01286750A (en)

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