JPS59167933U

JPS59167933U - engine with twin turbos

Info

Publication number: JPS59167933U
Application number: JP6244683U
Authority: JP
Inventors: 忠彦伊東; 誠一太田; 利明武田; 孝幸井上
Original assignee: 三菱自動車工業株式会社; 日本自動車エンジニアリング株式会社
Priority date: 1983-04-26
Filing date: 1983-04-26
Publication date: 1984-11-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来のツインター糸付きエンジンの要部を示す
説明図であり、第２〜９図は本考案の第１実施例として
のカウンタフロ一式ツインターボ付きエンジンを示すも
ので、第２図はそのエンジン低回転域における作動を示
す全体構成図、第３図は第２図の■部の拡大図、第４図
はそのエンジン高回転域における作動を示す全体構成図
、第５図は第４図のＶ部の拡大図、第６図はそのエンジ
ンの平面図、第７図は第６図の■−■矢視立面図、第８
図はその作用を説明するためのグラフ、第９図はそのブ
ロック図、第１０図は本考案の第２実施例としてのクロ
スフロ一式ツインターボ付きエンジンの全体構成図であ
る。１・・・シリンダヘッド、２・・・気筒、２ａ・・・第
１の吸気バルブ、２ｂ・・・第２の吸気バルブ、２Ｃ・
・・第１の排気バルブ、２ｄ・・・第２の排気バルブ、
３・・・第１の吸気通路、３ａ・・・集合部、４・・・
エンジン低中回転域用ターボチャージャ、４ａ・・・タ
ービン、４ｂ・・・コンプレッサ、５・・・第１の排気
通路、５ａ・・・集合部、６・・・第２の吸気通路１，
６ａ・・・集合部、７・・・エンジン高回転域用ターボ
チャージャ、７ａ・・・タービン、７ｂ・・・コンプレ
ッサ、８・・・第２の排気通路、９…エキゾーストバル
ブ、１０・・・バルブ作動停止機構を構成する電磁クラ
ッチ、１１・・・バルブ作動停止機構を構成する制御回
路、１２・・・エンジン回転数センサ、１３・・・エキ
ゾーストバルブ用アクチュエータ、１４・・・スロット
ル開度センサ、１５・・・負荷センサ、１６・・・イン
ジェクタ、１７・・・インタークーラ、１８・・・プラ
イマリ−スロットルバルブ、１９・・・セカンダリ−ス
ロットルバルブ、Ｅ・・・エンジン、Ｆ・・・流量制御
手段としてのバルブ作動停止機構。Fig. 1 is an explanatory diagram showing the main parts of a conventional engine with twin threads, and Figs. 2 to 9 show an engine with a counterflow set twin turbo as the first embodiment of the present invention. 3 is an enlarged view of the section ■ in FIG. 2, FIG. 4 is an overall configuration diagram showing the operation in a high engine speed range, and FIG. Figure 4 is an enlarged view of the V section, Figure 6 is a plan view of the engine, Figure 7 is an elevation view taken from the ■-■ arrow in Figure 6, and Figure 8 is an enlarged view of the V section in Figure 4.
The figure is a graph for explaining its operation, FIG. 9 is a block diagram thereof, and FIG. 10 is an overall configuration diagram of an engine with a cross-flow twin turbo as a second embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Cylinder head, 2... Cylinder, 2a... First intake valve, 2b... Second intake valve, 2C...
...first exhaust valve, 2d...second exhaust valve,
3... First intake passage, 3a... Gathering part, 4...
Turbocharger for engine low and medium speed range, 4a... Turbine, 4b... Compressor, 5... First exhaust passage, 5a... Gathering part, 6... Second intake passage 1,
6a... Collecting part, 7... Turbocharger for engine high speed range, 7a... Turbine, 7b... Compressor, 8... Second exhaust passage, 9... Exhaust valve, 10... Electromagnetic clutch constituting the valve operation stop mechanism, 11... Control circuit constituting the valve operation stop mechanism, 12... Engine rotation speed sensor, 13... Exhaust valve actuator, 14... Throttle opening sensor , 15... Load sensor, 16... Injector, 17... Intercooler, 18... Primary throttle valve, 19... Secondary throttle valve, E... Engine, F... Flow rate Valve stop mechanism as a control means.

Claims

[Scope of utility model registration request]

A first intake/exhaust system including an intake/exhaust port, a first intake valve, and a first exhaust valve in the same cylinder of the engine, and a second intake/exhaust system including a second intake valve and a second exhaust valve. a turbine interposed in the exhaust passage of the first intake/exhaust system and a compressor interposed in the intake passage of the first intake/exhaust system to be driven by the turbine; a turbocharger for an engine in a low rotation range; a turbine installed in an exhaust passage of the second intake/exhaust system; and a compressor installed in the intake passage of the second intake/exhaust system to be driven by the turbine. and a turbocharger for a high engine speed range, and a flow rate control means for controlling the flow rate in the second intake/exhaust system according to the engine speed. with engine.