JPH02130224A - Auxiliary machinery driving device - Google Patents
Auxiliary machinery driving deviceInfo
- Publication number
- JPH02130224A JPH02130224A JP28456888A JP28456888A JPH02130224A JP H02130224 A JPH02130224 A JP H02130224A JP 28456888 A JP28456888 A JP 28456888A JP 28456888 A JP28456888 A JP 28456888A JP H02130224 A JPH02130224 A JP H02130224A
- Authority
- JP
- Japan
- Prior art keywords
- belt
- output shaft
- transmission mechanism
- planetary gear
- type transmission
- 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
Links
- 230000007423 decrease Effects 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims description 35
- 241001494479 Pecora Species 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B67/00—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for
- F02B67/04—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus
- F02B67/06—Engines characterised by the arrangement of auxiliary apparatus not being otherwise provided for, e.g. the apparatus having different functions; Driving auxiliary apparatus from engines, not otherwise provided for of mechanically-driven auxiliary apparatus driven by means of chains, belts, or like endless members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B2275/00—Other engines, components or details, not provided for in other groups of this subclass
- F02B2275/06—Endless member is a belt
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は自動車の補機を駆動する補機駆動装置に関する
ものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an auxiliary equipment drive device for driving auxiliary equipment of an automobile.
そして、本発明の補機駆動装置はエンジン出力を動力源
として過給機を駆動する場合に特に適するものである。The auxiliary drive device of the present invention is particularly suitable for driving a supercharger using engine output as a power source.
（従来技術）
自動車用補機すなわち車輪を回転する駆動以外の負荷、
具体的には過給機、発電機、ウォータポンプ、コンプレ
ッサー等はエンジンのクランクシャフトの回転力を動力
源として駆動される。(Prior art) Automotive auxiliary equipment, that is, loads other than the drive that rotates the wheels,
Specifically, a supercharger, a generator, a water pump, a compressor, etc. are driven by the rotational force of the engine's crankshaft as a power source.
従来このエンジンのクランクシャフトと補機との間の動
力伝達は、直接■ベルトや■リブドベルトを用いて行な
われていた。Conventionally, power transmission between the crankshaft of this engine and the auxiliary equipment was carried out using a direct belt or ribbed belt.
しかし、上記した動力伝動においては、エンジンの回転
数の高低により補機の回転数が変動し、補機が必ずしも
最適の条件で駆動されない欠点があった。そこで、本出
願人は先にエンジンの回転数が低い場合は小さな減速比
に、逆にエンジンの回転数が高い場合には大きな減速比
に自動的に設定されて常に最適な回転数で補機を駆動す
る遠心推力変速プーリを開示した（特願昭６１年１５３
６６６号）。However, in the above-mentioned power transmission, the rotational speed of the auxiliary machine fluctuates depending on the high or low rotational speed of the engine, and the auxiliary machine is not necessarily driven under optimal conditions. Therefore, the present applicant first automatically sets the reduction ratio to a small reduction ratio when the engine speed is low, and conversely to a large reduction ratio when the engine speed is high, so that the auxiliary equipment is always maintained at the optimal rotation speed. Disclosed a centrifugal thrust variable speed pulley that drives a
No. 666).
（発明が解決しようとする問題点）
ところが、前記した遠心推力式変速プーリは補機として
、コンプレッサーや発電機を駆動する時は良好な効果を
有するものの、補機として過給機を駆動する場合はその
適用に困難があった。即ち、過給機は急加速時のエンジ
ンのトルク不足を補う目的から装備されることが多いた
め、エンジン回転数が比較的低い状態で作動することが
必要である。その一方過給機が十分にその能力を発揮す
るためには一万回転あるいはそれ以上の回転数が必要で
あり、エンジンの回転数との比率ではゆうに１０倍を越
える増速比が要求される。(Problems to be Solved by the Invention) However, although the centrifugal thrust type variable speed pulley described above has a good effect when used as an auxiliary machine to drive a compressor or a generator, it is not effective when used as an auxiliary machine to drive a supercharger. had difficulty in its application. That is, since a supercharger is often installed for the purpose of compensating for a lack of engine torque during sudden acceleration, it is necessary to operate at a relatively low engine speed. On the other hand, in order for a supercharger to fully demonstrate its capabilities, a rotation speed of 10,000 or more is required, and a speed increase ratio of well over 10 times the engine rotation speed is required. Ru.
しかし、このような大きな増速比を変速プーリで負担す
ることはスペース上から不可能であり、従来技術にかか
る新な補機駆動装置の開発が望まれていた。本発明は以
上の状況に鑑み、エンジンの回転数の増減にかかわらず
、高回転かつ一定回転数範囲内の回転力を出力すること
ができる補機駆動装置を提案することを目的とする。However, it is impossible for the speed change pulley to bear such a large speed increase ratio due to space considerations, and there has been a desire for the development of a new accessory drive device based on the prior art. In view of the above circumstances, an object of the present invention is to propose an auxiliary drive device that can output rotational force at high rotation speed and within a constant rotation speed range, regardless of the increase or decrease in engine rotation speed.
（問題点を解決するための手段）
しかして上記の目的を達成するための本発明の特徴は、
ベルト式変速機構と遊星歯車列を有する補機駆動装置で
あって、ベルト式変速機構は一定間隔を置いて配された
ベルト式変速機構の人力軸と出力軸にそれぞれ溝巾を変
更可能であるプーリが設けられかつエンジンの回転数の
上昇に応じて人力軸側のプーリの溝巾を拡大し、出力軸
側のプーリの溝巾を減少させるプーリシープ推力機構を
有し、一方遊星歯車列は大陽歯車、遊星歯車、内歯車よ
り成り前記ベルト式変速機構の出力軸は内歯車あるいは
遊星歯車を連結するキャリアに連結され、大陽歯車は出
力軸に連結されている補機駆動装置にある。(Means for Solving the Problems) The features of the present invention for achieving the above object are as follows:
This is an auxiliary drive device having a belt-type transmission mechanism and a planetary gear train, and the belt-type transmission mechanism is capable of changing groove widths of the manpower shaft and output shaft of the belt-type transmission mechanism, which are arranged at regular intervals. The planetary gear train has a pulley thrust mechanism that expands the groove width of the pulley on the human power shaft side and decreases the groove width of the pulley on the output shaft side as the engine speed increases. The output shaft of the belt-type transmission mechanism, which is composed of a positive gear, a planetary gear, and an internal gear, is connected to a carrier that connects the internal gear or the planetary gear, and the positive gear is located in an auxiliary drive device connected to the output shaft.
（作用）
本発明の補機駆動装置は、ベルト式変速機構の人力軸に
エンジンのクランクシャフトを連動し、大陽歯車に連結
される出力軸に補機な接続することにより使用される。(Function) The auxiliary drive device of the present invention is used by interlocking the engine crankshaft with the human power shaft of the belt type transmission mechanism and connecting the auxiliary machine with the output shaft connected to the Taiyo gear.
クランクシャフトより伝動された回転力はまずベルト式
変速機構に入力される。該ベルト式変速機構はクランク
シャフトの回転数が上昇すれば、入力軸側のプーリの溝
巾が拡大し、逆に出力軸側の溝巾が減少するためクラン
クシャフトの回転数の上昇とともに変速機構は減速側へ
移行する。そのため、クランクシャフトの回転数の変動
にかかわらず、常に一定範囲の回転数がベルト式変速機
構の出力軸より出力される。The rotational force transmitted from the crankshaft is first input to the belt-type transmission mechanism. In this belt type transmission mechanism, as the rotation speed of the crankshaft increases, the groove width of the pulley on the input shaft side increases, and conversely, the groove width on the output shaft side decreases, so as the rotation speed of the crankshaft increases, the transmission mechanism shifts to the deceleration side. Therefore, regardless of fluctuations in the rotation speed of the crankshaft, a rotation speed within a certain range is always output from the output shaft of the belt type transmission mechanism.
そして、ベルト式変速機構の出力軸は遊星歯車列の内歯
車あるいは遊星歯車のキャリアに接続されているため、
遊星歯車列により大きく増速され大陽歯車より高回転の
回転力が出力される。Since the output shaft of the belt-type transmission mechanism is connected to the internal gear of the planetary gear train or the carrier of the planetary gear,
The speed is greatly increased by the planetary gear train, and a high-speed rotational force is output from the sun gear.
また、キャリアあるいは内歯車に回転停止、解放切り換
え可能なブレーキを設けることにより、補機駆動装置の
出力軸の回転の駆動、停止切り換えを行うことができる
。Further, by providing a brake on the carrier or the internal gear that can be switched to stop and release the rotation, it is possible to switch between driving and stopping the rotation of the output shaft of the accessory drive device.
（実施例） 以下更に本発明の具体的実施例について説明する。(Example) Specific examples of the present invention will be further described below.
第１図は本発明の具体的実施例における補機駆動装置の
機構図であり、第２図は本発明の他の実施例における補
機駆動装置の機構図である。FIG. 1 is a mechanical diagram of an auxiliary drive device in a specific embodiment of the present invention, and FIG. 2 is a mechanical diagram of an auxiliary drive device in another embodiment of the present invention.
第１図において一点鎖線で囲まれた部分（１）が補機駆
動装置である。In FIG. 1, a portion (1) surrounded by a dashed line is an auxiliary drive device.
本実施例の補機駆動装置（１）は、ベルト式変速機構（
２）と遊星歯車列（３）との組合せにより構成される。The auxiliary drive device (1) of this embodiment has a belt type transmission mechanism (
2) and a planetary gear train (3).
ベルト式変速機構（２）は一定間隔を置いて配置された
ベルト式変速機構（２）の入力軸（４）と出力軸（５）
の間に、それぞれ人力軸側変速プーリ（６）、出力軸側
変速プーリ（７）が設けられたものである。The belt type transmission mechanism (2) has an input shaft (4) and an output shaft (5) of the belt type transmission mechanism (2) arranged at a certain interval.
A manual shaft side speed change pulley (6) and an output shaft side speed change pulley (7) are provided between the two.
変速プーリ（６）（７）自体は、公知の変速プーリと特
に変わった所はなく詳細説明は略するが、入力軸（４）
の回転数、すなわちエンジン（８）のクランクシャフト
（９）の回転数の上昇に供なって入力軸側ではプーリの
溝巾が拡大し、逆に出力軸側においてはプーリの溝巾が
減少するように配されており、人力軸（４）が低速回転
を行う時は入力側変速プーリ（６）においてはベルト（
１０）はピッチ径が大きい部分でプーリ（６）と係合し
、−力出力軸（５）側においてはピッチ径が小さい部分
で係合する。The speed change pulleys (6) and (7) themselves are not particularly different from known speed change pulleys, and a detailed explanation will be omitted, but the input shaft (4)
As the rotation speed of the engine (8) increases, that is, the rotation speed of the crankshaft (9) of the engine (8) increases, the groove width of the pulley increases on the input shaft side, and conversely, the groove width of the pulley decreases on the output shaft side. When the human power shaft (4) rotates at low speed, the belt (
10) engages with the pulley (6) at a portion where the pitch diameter is large, and engages at a portion where the pitch diameter is small on the -force output shaft (5) side.
逆に入力軸（４）の回転数が増大した時、入力軸側変速
プーリ（６）においてはベルト（１０）はピッチ径が小
さい部分で変速プーリ（６）と係合し、出力軸側変速プ
ーリ（７）においてはピッチ径が大きい部分で係合する
。プーリの溝巾を拡大、縮小するプーリシープ推力機構
は、従来より公知のめらゆる手段、例えば電動機や油圧
、空気圧によるものや錘の遠心力を利用したもの等が利
用可能である。Conversely, when the rotational speed of the input shaft (4) increases, the belt (10) engages with the speed change pulley (6) at the part where the pitch diameter is small on the input shaft side speed change pulley (6), and the output shaft side speed change occurs. In the pulley (7), the engagement occurs at the portion where the pitch diameter is large. As the pulley sheep thrust mechanism for enlarging or reducing the groove width of the pulley, various conventionally known means can be used, such as those using an electric motor, hydraulic pressure, pneumatic pressure, or using centrifugal force of a weight.
遊星歯車列（３）は、大陽歯車（２４）、２つの遊星歯
車（１１）（１１’）、内歯車（１２）より成る。The planetary gear train (3) consists of a sun gear (24), two planetary gears (11) (11'), and an internal gear (12).
上記３種の歯車は大陽歯車（２４）を中心に遊星歯車（
１１）（１１°）が公転し、且つ回転可能であり更にＭ
星歯車（１１）（１１’）の外側に内歯車（１２）が設
けられ、大陽歯車（２４）と遊星歯車（１１）、遊星歯
車（１１）と内歯車（１２）がそれぞれ嵌合している。The above three types of gears are centered around the Taiyo gear (24) and the planetary gear (
11) (11°) revolves and is rotatable, and M
An internal gear (12) is provided on the outside of the star gear (11) (11'), and the sun gear (24) and the planet gear (11) fit together, and the planet gear (11) and the internal gear (12) fit together, respectively. ing.
また、遊星歯車（１１）（１１’）はドラム状のキャリ
ア（１３）により相互に連結されている。キャリア（１
３）の外側には、キャリア（１３）を挟みこんでその回
転を停止することができるベルトブレーキ（１４）が配
置されている。Further, the planetary gears (11) (11') are interconnected by a drum-shaped carrier (13). Career (1
3), a belt brake (14) is arranged on the outside of the carrier (13) and can stop the rotation of the carrier (13).
そして、ベルト式変速機構（２）の入力軸（４）は補機
駆動装置自体の入力軸として外部に突出され、ベルト式
変速機構（２）の出力軸は、内歯車（１２）に一体に固
定されている。遊星歯車（３）には補機駆動装置（１）
の出力軸（１５）が設けられている。本実施例の補機駆
動装置の入力軸すなわちベルト式変速機構の人力軸（４
）はエンジン（８）をクランクシャフト（９）にプーリ
（１６）（１７）およびベルト（１８）を介して増速状
態で結合され、出力軸（１５）は過給機（１９）に接続
されている。またベルトブレーキ（１４）はエンジン（
８）のスロットル開度が一定値以上となった時にキャリ
アの回転を停止するように設定されている。以上の構成
により運転者がアクセルを踏み込んだ時、即ちエンジン
が大きなトルクを要する時ベルトブレーキ（１４）が閉
まりキャリアの回転は停止しクランクシャフトからベル
ト式変速機構を経て内歯車（１２）に伝えられた回転力
は遊星歯車（１１）（１１’）を介して出力軸（１５）
に伝動される。スロットル開度が一定値以下の場合には
、ベルトブレーキ（１４）が解放され、キャリア（１３
）が空転し出力軸（１５）に回転力は伝達されない。The input shaft (4) of the belt type transmission mechanism (2) is protruded to the outside as an input shaft of the auxiliary drive device itself, and the output shaft of the belt type transmission mechanism (2) is integrally connected to the internal gear (12). Fixed. The auxiliary drive device (1) is attached to the planetary gear (3).
An output shaft (15) is provided. The input shaft of the auxiliary drive device of this embodiment, that is, the human power shaft (4
) is connected to an engine (8) to a crankshaft (9) via pulleys (16), (17) and a belt (18) in an increasing speed state, and an output shaft (15) is connected to a supercharger (19). ing. Also, the belt brake (14) is connected to the engine (
8) is set to stop the rotation of the carrier when the throttle opening reaches a certain value or more. With the above configuration, when the driver steps on the accelerator, that is, when the engine requires a large torque, the belt brake (14) closes and the rotation of the carrier is stopped, and the information is transmitted from the crankshaft to the internal gear (12) via the belt type transmission mechanism. The generated rotational force is transmitted to the output shaft (15) via the planetary gears (11) (11').
is transmitted. When the throttle opening is below a certain value, the belt brake (14) is released and the carrier (13
) idles and no rotational force is transmitted to the output shaft (15).
以上の実施例においてはベルト式変速機構（２）と遊星
歯車列（３）はベルト式変速機構（２）の出力軸を遊星
歯車列（３）の内歯車に接続し、キャリア（１３）にブ
レーキを配置したが、本発明はこれにこだわるものでは
なく、第２図のようにベルト式変速機構の出力軸（２の
を遊星歯車（２１）のキャリア（２２）に接続し、内歯
車（２３）を自由に回転できるようにして該内歯車（２
３）の外側にブレーキ（２４）を設ける構成とすること
も可能である。In the above embodiment, the belt type transmission mechanism (2) and the planetary gear train (3) connect the output shaft of the belt type transmission mechanism (2) to the internal gear of the planetary gear train (3), and connect the output shaft of the belt type transmission mechanism (2) to the internal gear of the planetary gear train (3). Although a brake is provided, the present invention is not limited to this, and as shown in Fig. 2, the output shaft (2) of the belt type transmission mechanism is connected to the carrier (22) of the planetary gear (21), and the internal gear (2) is connected to the carrier (22) of the planetary gear (21). The internal gear (23) can be rotated freely.
It is also possible to provide a brake (24) outside of 3).
（効果）
本発明の補機駆動装置はベルト式変速機構と遊星歯車列
を結合し、遊星歯車列によってベルト式変速機構によっ
て一定範囲の回転数に調速された回転力を増速し、常に
一定範囲の高速回転力を得ることができる。(Effects) The auxiliary drive device of the present invention combines a belt-type transmission mechanism and a planetary gear train, and uses the planetary gear train to increase the speed of the rotational force that has been regulated to a rotation speed within a certain range by the belt-type transmission mechanism. A certain range of high-speed rotational force can be obtained.
そして、本発明は増速の手段として遊星歯車列を用いる
ため外形を小型化することができる効果があり、狭い取
付場所でも設置可能である。Further, since the present invention uses a planetary gear train as a speed increasing means, it has the effect of being able to reduce the size of the external shape, and can be installed even in a narrow installation space.
第１図は本発明の具体的実施例における補機駆動装置の
機構図であり、第２図は本発明の他の実施例における補
機駆動装置の機構図である。
（１）・・・補機駆動装置
（２）・・・ベルト式変速機構
（３）・・・遊星歯車列
（４）・・・ベルト式変速機構の入力軸（５）（２０）
・・・ベルト式変速機構の出力軸（８）・・・エンジン
（９）・・・クランクシャフト
（１０）・・・大陽歯車
（１１）（１１°）（２１）・・・遊星歯車（１２）（
２３）・・・内歯車
（１３） （２２）・・・キャリア
（１４） （２４）・・・ベルトブレーキ（１５）・・
・出力軸FIG. 1 is a mechanical diagram of an auxiliary drive device in a specific embodiment of the present invention, and FIG. 2 is a mechanical diagram of an auxiliary drive device in another embodiment of the present invention. (1)...Auxiliary drive device (2)...Belt type transmission mechanism (3)...Planetary gear train (4)...Input shaft of belt type transmission mechanism (5) (20)
... Output shaft of belt type transmission mechanism (8) ... Engine (9) ... Crankshaft (10) ... Taiyo gear (11) (11°) (21) ... Planetary gear ( 12)(
23)...Internal gear (13) (22)...Carrier (14) (24)...Belt brake (15)...
・Output shaft
Claims (4)
置であって、ベルト式変速機構は一定間隔を置いて配さ
れたベルト式変速機構の入力軸と出力軸にそれぞれ溝巾
を変更可能であるプーリが設けられ且つエンジンの回転
数の上昇に応じて入力軸側のプーリの溝巾を拡大し、出
力軸側のプーリの溝巾を減少させるプーリシープ推力機
構を有し、一方遊星歯車列は大陽歯車、遊星歯車、内歯
車より成り前記ベルト式変速機構の出力軸は内歯車に連
結され、大陽歯車は出力軸に連結されていることを特徴
とする補機駆動装置。1. An auxiliary drive device having a belt-type transmission mechanism and a planetary gear train, the belt-type transmission mechanism being capable of changing the groove width of the input shaft and output shaft of the belt-type transmission mechanism, which are arranged at regular intervals. The planetary gear train has a pulley thrust mechanism that expands the groove width of the pulley on the input shaft side and decreases the groove width of the pulley on the output shaft side as the engine speed increases. An auxiliary drive device comprising a positive gear, a planetary gear, and an internal gear, and an output shaft of the belt type transmission mechanism is connected to the internal gear, and a positive gear is connected to the output shaft.
キャリアにはブレーキが設けられていることを特徴とす
る請求項１記載の補機駆動装置。2. 2. The auxiliary drive device according to claim 1, wherein the planetary gears are each connected by a carrier, and the carrier is provided with a brake.
置であって、ベルト式変速機構は一定間隔を置いて配さ
れたベルト式変速機構の入力軸と出力軸にそれぞれ溝巾
を変更可能であるプーリが設けられ、且つエンジンの回
転数の上昇に応じて入力軸側のプーリの溝巾を拡大し、
出力軸側のプーリの溝巾を減少されるプーリシープ推力
機構を有し、一方遊星歯車列は大陽歯車、遊星歯車、遊
星歯車キャリア、内歯車より成り前記ベルト式変速機構
の出力軸は遊星歯車キャリアに連結され、大陽歯車は出
力軸に連結されていることを特徴とする補機駆動装置。3. An auxiliary drive device having a belt-type transmission mechanism and a planetary gear train, the belt-type transmission mechanism being capable of changing the groove width of the input shaft and output shaft of the belt-type transmission mechanism, which are arranged at regular intervals. A pulley is provided, and the groove width of the pulley on the input shaft side is expanded as the engine speed increases,
It has a pulley sheep thrust mechanism that reduces the groove width of the pulley on the output shaft side, and the planetary gear train consists of a Taiyo gear, a planetary gear, a planetary gear carrier, and an internal gear, and the output shaft of the belt type transmission mechanism is a planetary gear. An auxiliary drive device characterized in that it is connected to a carrier, and the Taiyo gear is connected to an output shaft.
する請求項３記載の補機駆動装置。4. 4. The auxiliary drive device according to claim 3, wherein the internal gear is provided with a brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28456888A JPH02130224A (en) | 1988-11-09 | 1988-11-09 | Auxiliary machinery driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28456888A JPH02130224A (en) | 1988-11-09 | 1988-11-09 | Auxiliary machinery driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02130224A true JPH02130224A (en) | 1990-05-18 |
Family
ID=17680149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28456888A Pending JPH02130224A (en) | 1988-11-09 | 1988-11-09 | Auxiliary machinery driving device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02130224A (en) |
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-
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- 1988-11-09 JP JP28456888A patent/JPH02130224A/en active Pending
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