JPS62105337U

JPS62105337U -

Info

Publication number: JPS62105337U
Application number: JP19645185U
Authority: JP
Priority date: 1985-12-23
Filing date: 1985-12-23
Publication date: 1987-07-04
Also published as: JPH0216036Y2

Description

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

図面は本考案による排気ターボ過給機付エンジ
ンの要部を概略的に示す部分断面図である。１……エンジン、２……排気マニホールド、３
……排気ターボ過給機、４……排気通路、５……
吸気通路、６ａ，６ｂ……排気通路、７……排気
タービン、８……排気ガス導入通路、９……コン
プレツサ、１０……仕切壁、１１……第１の通路
部分、１２……第２の通路部分、１３……切替バ
ルブ、１４……ウエストゲート通路、１５……ウ
エストゲートバルブ、１６……突起壁。 The drawing is a partial sectional view schematically showing the main parts of an exhaust turbocharged engine according to the present invention. 1...Engine, 2...Exhaust manifold, 3
...Exhaust turbo supercharger, 4...Exhaust passage, 5...
Intake passage, 6a, 6b... Exhaust passage, 7... Exhaust turbine, 8... Exhaust gas introduction passage, 9... Compressor, 10... Partition wall, 11... First passage portion, 12... Second passage portion, 13... switching valve, 14... waste gate passage, 15... waste gate valve, 16... protruding wall.

Claims

【実用新案登録請求の範囲】複数の気筒とこれら気筒に対し吸気を過給する
ための排気ターボ過給機とを備え、この排気ター
ボ過給機の排気タービンへの排気ガス導入通路を
第１および第２の通路部分によつて形成し、低速
時には前記第１の通路部分のみに排気ガスを流し
、高速時には前記第１および第２の通路部分の双
方に排気ガスを流すようにした排気ターボ過給機
付エンジンにおいて、前記複数の気筒を少なくとも２つの気筒群に分
け、各気筒群からそれぞれ導出した排気通路を集
合した後に前記排気ガス導入通路に接続するとと
もに、前記排気通路の集合部に、低速時に排気ガ
スを前記第１の通路部分の入口部のほぼ中心に向
つて案内する案内手段を設けたことを特徴とする
排気ターボ過給機付エンジン。[Scope of Claim for Utility Model Registration] The exhaust turbo supercharger is equipped with a plurality of cylinders and an exhaust turbo supercharger for supercharging intake air to these cylinders, and the exhaust gas introducing passage to the exhaust turbine of the exhaust turbo supercharger is the first one. and a second passage portion, the exhaust turbo is configured to allow exhaust gas to flow only through the first passage portion at low speeds and to flow through both the first and second passage portions at high speeds. In the supercharged engine, the plurality of cylinders are divided into at least two cylinder groups, the exhaust passages respectively derived from each cylinder group are connected to the exhaust gas introduction passage after being collected, and the exhaust passages are connected to the collection part of the exhaust passages. An engine with an exhaust turbo supercharger, characterized in that a guide means is provided for guiding exhaust gas toward substantially the center of the inlet of the first passage portion at low speeds.