JPS6085249A - Engine - Google Patents

Engine

Info

Publication number
JPS6085249A
JPS6085249A JP19455383A JP19455383A JPS6085249A JP S6085249 A JPS6085249 A JP S6085249A JP 19455383 A JP19455383 A JP 19455383A JP 19455383 A JP19455383 A JP 19455383A JP S6085249 A JPS6085249 A JP S6085249A
Authority
JP
Japan
Prior art keywords
engine
compressor
compressed air
reserve tank
pressure
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
Application number
JP19455383A
Other languages
Japanese (ja)
Other versions
JPH0231787B2 (en
Inventor
Miki Morita
森田 美樹
Hideyuki Fukushima
秀行 福島
Koji Kamegawa
亀川 幸二
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.)
Mitsubishi Motors Corp
Original Assignee
Mitsubishi Motors Corp
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 Mitsubishi Motors Corp filed Critical Mitsubishi Motors Corp
Priority to JP19455383A priority Critical patent/JPS6085249A/en
Publication of JPS6085249A publication Critical patent/JPS6085249A/en
Publication of JPH0231787B2 publication Critical patent/JPH0231787B2/ja
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02NSTARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
    • F02N7/00Starting apparatus having fluid-driven auxiliary engines or apparatus
    • F02N7/08Starting apparatus having fluid-driven auxiliary engines or apparatus the engines being of rotary type

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)

Abstract

PURPOSE:To reduce the load of a battery by operating an engine starter by use of the compressed air which is supplied from a compressor driven by an engine main body and stored in a reservoir tank. CONSTITUTION:When a starter switch Ssw is turned on, a control device 38 consisting of a micro computer opens an electromagnetic valve 28, operates an engine starter 26 using the compressed air stored in a reservoir tank 18, and starts an engine main body 2. During operation, a pressure Pr within the reser- voir tank 18 is compared with the prescribed upper limit pressure P1, and, when Pr>P1, a clutch 16 is opened. When Pr< the prescribed lower limit pressure P2, the electromagnetic clutch 16 is engaged to drive a compressor 10, and the compressed air is supplied into the reservoir tank 18 through a one-way valve 20. In this way, the engine can be started without using a large current selfmotor, and, when the compressor is operated at the time of deceleration, the engine brake effect is obtained.

Description

【発明の詳細な説明】 本発明はエンジンに関するものである。[Detailed description of the invention] The present invention relates to an engine.

本発明は、エンジン本体により駆動されるコンブレンサ
、同フ/ブレツサから吐出される圧縮空気を蓄圧すべく
上記コンプレッサに連通されたリザーブタンク、同リザ
ーブタンクから供給される上記圧縮空気により作動され
て上記エンジン本体を始動するエンジン始動装置を備え
たことを特徴とするエンジンを要旨とするものである。
The present invention provides a compressor driven by an engine main body, a reserve tank connected to the compressor for accumulating compressed air discharged from the compressor, and a compressor operated by the compressed air supplied from the reserve tank. The gist of the present invention is an engine characterized by being equipped with an engine starting device for starting the engine main body.

本発明によれば、大電流を要する従来のセルモータを使
用することなくエンジンの始動を行うことができるので
、バッテリの負担を軽減できるという効果を奏する。
According to the present invention, it is possible to start the engine without using a conventional starter motor that requires a large current, so that the load on the battery can be reduced.

また2本発明において、特にコンプレッサをエンジン減
速時に作動させるように構成した場合にはコンプレッサ
がエンジン負荷として作用するので。
Furthermore, in the present invention, especially when the compressor is configured to operate during engine deceleration, the compressor acts as an engine load.

エンジンブレーキ効果を増大ならしめる等の効果も奏す
る。
It also has the effect of increasing the engine braking effect.

以下1本発明の実施例を添付図面に基づいて詳細に説明
する。
EMBODIMENT OF THE INVENTION Below, one embodiment of the present invention will be described in detail based on the accompanying drawings.

第1〜2図は本発明の一実施例を示すものである。1 and 2 show an embodiment of the present invention.

第1図において、エンジン本体2はクランク軸3に設け
られ、同クランク軸3とともに回転するプーリ4を有し
ている。図示しないエアクリーナ装置等を介して大気圧
空間に連通ずる管路6から吸入された空気を管路8内へ
圧縮して吐出すべく構成されたコンプレッサ10は、エ
ンジン本体2により駆動されるべ(プーリ12及びベル
ト14を介してプーリ4に接続されているが、プーリ1
2とコンプレッサ10との間には電磁クラッチ16が介
装され、プーリ12からコンプレッサ10への駆動力の
伝達を断接自在なものとしている。
In FIG. 1, an engine main body 2 is provided on a crankshaft 3 and has a pulley 4 that rotates together with the crankshaft 3. As shown in FIG. A compressor 10 is configured to compress and discharge air drawn from a pipe 6 communicating with an atmospheric pressure space into a pipe 8 through an air cleaner device (not shown), etc., and is driven by the engine main body 2. It is connected to pulley 4 via pulley 12 and belt 14, but pulley 1
An electromagnetic clutch 16 is interposed between the pulley 12 and the compressor 10, so that the transmission of driving force from the pulley 12 to the compressor 10 can be freely connected or disconnected.

また、管路8はコンプレッサ10から吐出される圧縮空
気をリザーブタンク1日内に供給すべく同リザーブタン
ク18に連通されると共に、フングレツサ10側からリ
ザーブタンク1B側への圧縮空気の流れのみを可能とす
る逆止弁20を有して上記圧縮空気の逆流を阻止してい
る。
In addition, the pipe line 8 is connected to the reserve tank 18 in order to supply the compressed air discharged from the compressor 10 to the reserve tank within one day, and also allows the compressed air to flow only from the Hungretsusa 10 side to the reserve tank 1B side. A check valve 20 is provided to prevent backflow of the compressed air.

一方、リザーブタンク1Bは管路24を介して始動装置
26にも連通されているが、管路24には電磁弁28が
設けられ、始動装置26との連通を開閉自在なものとし
ている。
On the other hand, the reserve tank 1B is also communicated with the starter 26 via a conduit 24, and the conduit 24 is provided with a solenoid valve 28, so that communication with the starter 26 can be opened and closed.

エンジン始動装置26は電磁弁28の開動時にリザーブ
タンク18から供給される圧縮空気により作動されるタ
ービン装置等から構成されており。
The engine starting device 26 includes a turbine device and the like that are operated by compressed air supplied from the reserve tank 18 when the solenoid valve 28 is opened.

圧縮空気により回転される駆動軸30はワンウェイクラ
ッチ32を介して歯車ろ6に接続され、同歯車66はエ
ンジン本体2のクランク軸ろに固着されたフライホイー
ル34の外周に設けられたリングギヤ35に噛み合って
いる。
A drive shaft 30 rotated by compressed air is connected to a gear wheel 6 via a one-way clutch 32, and the gear 66 is connected to a ring gear 35 provided on the outer periphery of a flywheel 34 fixed to the crankshaft roller of the engine body 2. They mesh together.

加えて、上記電磁クラッチ16及び電磁弁28の制御は
マイクロプルセッサ6Bにより行われるが。
In addition, the electromagnetic clutch 16 and the electromagnetic valve 28 are controlled by the micro processor 6B.

同マイクpプロセッサ38は、リザーブタンク18内の
圧力を検出する圧力センサ40の出力信号Pr、運転者
の始動操作を検出する図示しないスタータスイッチの出
力信号Ssw、エンジン本体20回転数を検出する図示
しないエンジン回転数センサの出力信号Nr、及び図示
しないスロットル弁の全閉状態を検出する図示しないア
イドルスイッチの出力信号1s、wを入力要素としてお
り。
The microphone p processor 38 includes an output signal Pr of a pressure sensor 40 that detects the pressure inside the reserve tank 18, an output signal Ssw of a starter switch (not shown) that detects the driver's starting operation, and an output signal Ssw (not shown) of a starter switch (not shown) that detects the engine main body 20 rotation speed. The input elements are an output signal Nr of an engine rotation speed sensor (not shown), and output signals 1s and w of an idle switch (not shown) that detects the fully closed state of a throttle valve (not shown).

その作動は第2図に示されるフローチャート図により表
される。
Its operation is represented by the flowchart diagram shown in FIG.

第2図のフローチャートの実行は設定時間(例えば1Q
Omsec)ごとの割込信号によ゛り開始される。そし
て、ステップS1で各検出信号Pi。
The flowchart in Figure 2 is executed for a set time (for example, 1Q
It is started by an interrupt signal every 0msec). Then, in step S1, each detection signal Pi is detected.

S sw、Nr、I swがそれぞれ読み込まれ、ステ
ップS2では検出信号Sswによりスタータスイッチの
0N−OFFが判別され、スタータスインチがONのと
きは、ステップS11に至りリザーブタンク18内に蓄
えられた圧縮空気によりエンジン始動装置26を作動さ
せてエンジン本体2を始動させるべく電磁弁2Bを開放
させてプログラムを終了する。スタータスイッチがOF
FのときはステップSろに至り電磁弁28を閉塞させ。
S sw, Nr, and I sw are read respectively, and in step S2, it is determined whether the starter switch is ON or OFF based on the detection signal Ssw. If the starter switch is ON, the process goes to step S11 and the compression stored in the reserve tank 18 is The program is ended by operating the engine starting device 26 with air and opening the solenoid valve 2B to start the engine body 2. Starter switch is OFF
When F, the process goes to step S and closes the solenoid valve 28.

ステップS4でエンジン本体20回転数Nrと予めRO
Mに記憶された第1の設定エンジン回転数゛N1(例え
ば100〜300rII11)とを比較することにより
エンジン本体2が運転中であるか否かを判別する。N 
r ) N 1でないときはエンジン本体2は運転中で
ないものと判別しステップS5で電磁クラッチ16を解
放させてプログラムを終了する。
In step S4, the engine body 20 rotation speed Nr and RO are set in advance.
It is determined whether or not the engine main body 2 is in operation by comparing it with the first set engine rotation speed 'N1 (for example, 100 to 300rII11) stored in M. N
r) If N is not 1, it is determined that the engine body 2 is not in operation, and the electromagnetic clutch 16 is released in step S5, and the program is terminated.

また、Nr>Nlのときはエンジン本体2は運転中であ
るものと判別し、ステップS乙でリザーブタンク18内
の圧力Prと予めRO’Mに記憶された上限設定圧力P
1とを比較する。Pr>Plのときはリザーブタンク1
B内に蓄えられた圧縮空気の圧力が上限値に達している
ものと判別し電磁クラッチ16を解放させてプログラム
を終了する。
Further, when Nr>Nl, it is determined that the engine body 2 is in operation, and in step SB, the pressure Pr in the reserve tank 18 and the upper limit set pressure P stored in advance in RO'M are determined.
Compare with 1. When Pr>Pl, reserve tank 1
It is determined that the pressure of the compressed air stored in B has reached the upper limit value, the electromagnetic clutch 16 is released, and the program is terminated.

Pr>P、1でないときは、リザーブタンク18内に蓄
えられた圧縮空気の圧力が上限値を下回っているものと
判別し、ステップS7でリザーブタンク18内の圧力P
rと予めROMに記憶された上記上限設定圧力P1より
小さい下限設定圧力P2とを比較する。Pr<P2のと
きは、リザーフ゛クンク18内に蓄えられた圧縮空気の
圧力が下限値を下回っているものと判別してステップS
8でリザーブタンク18内へ正札空気を供給すべくコン
プレッサ10を駆動するために電磁クラッチ16を係合
させてプログラムを終了する。
When Pr>P, 1 is not determined, it is determined that the pressure of the compressed air stored in the reserve tank 18 is lower than the upper limit value, and the pressure P in the reserve tank 18 is determined in step S7.
r is compared with a lower limit set pressure P2, which is smaller than the upper limit set pressure P1, and which is stored in the ROM in advance. When Pr<P2, it is determined that the pressure of the compressed air stored in the reserve pump 18 is below the lower limit value, and the process proceeds to step S.
At step 8, the electromagnetic clutch 16 is engaged to drive the compressor 10 to supply genuine air into the reserve tank 18, and the program ends.

P r < P 2でないときは、リザーブタンク1B
内に蓄えられた圧縮空気の圧力が下限値以上であるもの
と判別しステップS9で検出信号Iswにより図示しな
いスロットル弁が全開状態であるか否かを判別する。検
出信号I3wがOFFのときは図示しないスロットル弁
が全閉状態ではな(・ものと判別し、ステップS5で電
磁クラッチ16を解放させてプログラムを終了する。
If P r < P 2, reserve tank 1B
It is determined that the pressure of the compressed air stored therein is equal to or higher than the lower limit value, and in step S9, it is determined based on the detection signal Isw whether or not a throttle valve (not shown) is fully open. When the detection signal I3w is OFF, it is determined that the throttle valve (not shown) is not fully closed, and the electromagnetic clutch 16 is released in step S5 to end the program.

検出信号1swがONのときは1図示しないスロットル
弁が全閉状態であるものと判別しステップS10でエン
ジン本体20回転数Nrと予めROMに記憶された第2
の設定エンジン回転数N2(例えば1500〜200O
r−)とを比較して、エンジン本体2が減速中であるか
否かを判別する。
When the detection signal 1sw is ON, it is determined that the throttle valve (not shown) is fully closed, and in step S10, the engine main body rotation speed Nr is set to 20 and the second
Setting engine speed N2 (e.g. 1500~200O
r-) to determine whether or not the engine body 2 is decelerating.

Nr>N2のときは、エンジン本体2が減速中であるも
のと判別し、ステップS8でリザーブタンク18内へ圧
縮空気を供給すべく電磁クラッチ16を係合させてプロ
グラムを終了する。
When Nr>N2, it is determined that the engine body 2 is decelerating, and in step S8, the electromagnetic clutch 16 is engaged to supply compressed air into the reserve tank 18, and the program is ended.

N r > N 2でないときは、エンジン本体2が減
速中でないものと判別し、ステップS5で電磁クラッチ
16を解放させてプログラムを終了する。
When N r > N 2, it is determined that the engine body 2 is not decelerating, and the electromagnetic clutch 16 is released in step S5, and the program is ended.

上記構成によれば、エンジン始動時に図示しな℃・スク
ータスイッチがONになると電磁弁28が開放されるた
め、リザーブタンク1日内に蓄えられた圧縮空気により
始動装置26の駆動軸30が回転せしめられ、この回転
によるトルクがワンウェイクラッチ32を介しリングギ
ヤ65に伝達されるのでエンジン本体2を始動させるこ
とができる。
According to the above configuration, when the °C/scooter switch (not shown) is turned ON when the engine is started, the solenoid valve 28 is opened, so that the drive shaft 30 of the starter 26 is rotated by the compressed air stored in the reserve tank within one day. Since the torque generated by this rotation is transmitted to the ring gear 65 via the one-way clutch 32, the engine main body 2 can be started.

なお、一旦エンジンが始動した後は、ワンウェイクラッ
チ32の存在によりエンジンの回転トルクがり/グギャ
ろ5を介し始動装置26側−伝達されることはなし・。
Note that once the engine has been started, due to the presence of the one-way clutch 32, the rotational torque of the engine is not transmitted to the starter 26 via the gear ring 5.

さらに、エンジン運転中において、リザーブタンク1B
内の圧力Prが上限設定圧力P1と下限設定圧力P2と
の間にあるときは減速時のみ、また圧力PrがP2を下
回るときは全ての運転領域において電磁クラッチ16を
保合させてリザーブタンク1B内に圧縮空気を供給すべ
くコンプレッサ10を駆動させ、上記以外の場合には電
磁クラッチ16を解放させてコンプレッサ10の作動を
停止し、常にリザーブタンク18内の圧力PrがP1≧
Pr≧P2となるように調整されるものである。 4゜ 従って上記実施例によれば、エンジン本体2の運転中に
同エンジン本体2により駆動されるコンプレッサ10か
ら吐出される圧縮空気をリザーブタンク18に蓄圧し、
エンジン本体2の始動時に電磁弁28を開放することに
よりリザーブタンク18からエンジン始動装置26に圧
縮空気を供給してエンジン本体2を始動させるべくエン
ジン始動装置26を作動させるので、エネルギーの有効
活用という点に優れるという効果を奏するものである。
Furthermore, while the engine is running, reserve tank 1B
When the pressure Pr in the reserve tank 1B is between the upper limit setting pressure P1 and the lower limit setting pressure P2, the electromagnetic clutch 16 is engaged only during deceleration, and when the pressure Pr is below P2, the electromagnetic clutch 16 is engaged in all operating ranges. In other cases than the above, the electromagnetic clutch 16 is released to stop the operation of the compressor 10, and the pressure Pr in the reserve tank 18 is always maintained at P1≧
It is adjusted so that Pr≧P2. 4. Therefore, according to the above embodiment, the compressed air discharged from the compressor 10 driven by the engine main body 2 is stored in the reserve tank 18 while the engine main body 2 is in operation,
By opening the solenoid valve 28 when starting the engine body 2, compressed air is supplied from the reserve tank 18 to the engine starting device 26, and the engine starting device 26 is operated to start the engine body 2, which is effective use of energy. This is effective in that it is excellent in many respects.

また、リザーブタンク18内の圧力PrがP1≧Pr≧
P2のときには減速時のみコンプレッサ10が駆動され
るので、エンジンブレーキ効果が増大されるとともに蓄
圧のために要する動力ロスも軽減される等の効果を奏す
るものである。
In addition, if the pressure Pr in the reserve tank 18 is P1≧Pr≧
At P2, the compressor 10 is driven only during deceleration, so that the engine braking effect is increased and the power loss required for pressure accumulation is reduced.

さらに、大電流を要する従来のセルモータを使用する必
要がないので1戸ツテリの負担を軽減できるという効果
をも奏するものである。
Furthermore, since there is no need to use a conventional starter motor that requires a large current, it also has the effect of reducing the burden of one-house operation.

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

第1図は本発明の一実施例を示す構造説明図、第2図は
上記実施例装置の制御プロセスを示すフローチャートで
ある。 2・エンジン本L 10・・コンプレッサ。 16・・・電磁クラッチ、18・・リザーブタンク。 26・・エンジン始動装置・ 28・・電磁弁。 38 マイクロプロセッサ 手続補正書 特許庁長官 若杉和夫殿 事件の表示 昭和58年 特 許 願第 194553 号発明の名
称 エンジン 補正をする者 事件との関係 特許出願人 住 所 東京都港区芝五丁目33番8号名 称(628
)三菱自動車工業株式会社代 理 人
FIG. 1 is a structural explanatory diagram showing one embodiment of the present invention, and FIG. 2 is a flowchart showing a control process of the apparatus of the above embodiment. 2. Engine book L 10... Compressor. 16... Electromagnetic clutch, 18... Reserve tank. 26... Engine starting device 28... Solenoid valve. 38 Microprocessor procedural amendments Commissioner of the Patent Office Mr. Kazuo Wakasugi Case 1982 Patent Application No. 194553 Name of invention Relationship to the engine amendment case Patent applicant address 33 Shiba 5-chome, Minato-ku, Tokyo No. 8 name (628
) Mitsubishi Motors Corporation Representative

Claims (1)

【特許請求の範囲】[Claims] エンジン本体により駆動されるコンプレッサ、同フンプ
レツサから吐出される圧縮空気を蓄圧すべく上記コンプ
レッサに連通されたリザーブタンク2同リザーブタンク
から供給される上記圧縮空気により作動されて上記エン
ジン本体を始動するエンジン始動装置を備えたことを特
徴とするエンジン
A compressor driven by the engine body; a reserve tank connected to the compressor to accumulate compressed air discharged from the compressor; 2 an engine that is operated by the compressed air supplied from the reserve tank to start the engine body; An engine characterized by being equipped with a starting device
JP19455383A 1983-10-18 1983-10-18 Engine Granted JPS6085249A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19455383A JPS6085249A (en) 1983-10-18 1983-10-18 Engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19455383A JPS6085249A (en) 1983-10-18 1983-10-18 Engine

Publications (2)

Publication Number Publication Date
JPS6085249A true JPS6085249A (en) 1985-05-14
JPH0231787B2 JPH0231787B2 (en) 1990-07-16

Family

ID=16326441

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19455383A Granted JPS6085249A (en) 1983-10-18 1983-10-18 Engine

Country Status (1)

Country Link
JP (1) JPS6085249A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100844674B1 (en) 2006-11-24 2008-07-07 현대자동차주식회사 Continuously Variable Transmission line pressure producing apparatus for a hybrid vehicle
GB2491627A (en) * 2011-06-09 2012-12-12 Ford Global Tech Llc An apparatus and method for restarting an engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4835894A (en) * 1971-08-12 1973-05-26
JPS5317815A (en) * 1976-08-03 1978-02-18 Hitachi Ltd Starting system of emergency independent power plant

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4835894A (en) * 1971-08-12 1973-05-26
JPS5317815A (en) * 1976-08-03 1978-02-18 Hitachi Ltd Starting system of emergency independent power plant

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100844674B1 (en) 2006-11-24 2008-07-07 현대자동차주식회사 Continuously Variable Transmission line pressure producing apparatus for a hybrid vehicle
GB2491627A (en) * 2011-06-09 2012-12-12 Ford Global Tech Llc An apparatus and method for restarting an engine
CN102817758A (en) * 2011-06-09 2012-12-12 福特环球技术公司 An apparatus and method for restarting an engine
GB2491627B (en) * 2011-06-09 2017-07-26 Ford Global Tech Llc An apparatus and method for restarting an engine

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