JPH01127935U - - Google Patents

Description

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

第１図、第２図は本考案の実施例を示す構成図
とその要部詳細図、第３図は本考案の他の実施例
を示す要部構成図、第４図は従来例の構成図であ
る。 ３……吸気通路、７……ターボチヤージヤ、８
……スーパチヤージヤ、９……スロツトル弁、２
４……分岐通路、２５……過給制御弁、２７，２
８……ダイヤフラムアクチユエータ、２９，３０
……作動室。 Figures 1 and 2 are a block diagram showing an embodiment of the present invention and a detailed view of its main parts, Figure 3 is a block diagram of main parts showing another embodiment of the present invention, and Figure 4 is a configuration of a conventional example. It is a diagram. 3...Intake passage, 7...Turbo charger, 8
...Supercharger, 9...Throttle valve, 2
4... Branch passage, 25... Supercharging control valve, 27,2
8...Diaphragm actuator, 29,30
...Working room.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] スロツトル弁の上流側の吸気通路に直列に機関
の排気ガスにより駆動されるターボ過給機と、機
関の軸出力により駆動される機械式過給機とを配
置し、この機械式過給機をバイパスする分岐通路
と、この分岐通路を開閉する過給制御弁とを設け
た内燃機関の過給装置において、前記過給制御弁
を第１の圧力室に導入されるスロツトル弁上流の
圧力と、第２の圧力室に導入されるスロツトル弁
下流の圧力とに応じて駆動するダイヤフラムアク
チユエータを設けると共に、このダイヤフラムア
クチユエータの第１の圧力室と第２の圧力室の有
効受圧面積を異ならせたことを特徴とする内燃機
関の過給装置。 A turbo supercharger driven by the engine's exhaust gas and a mechanical supercharger driven by the engine's shaft output are arranged in series in the intake passage upstream of the throttle valve. In a supercharging device for an internal combustion engine that is provided with a bypass branch passage and a supercharging control valve that opens and closes this branch passage, the supercharging control valve is introduced into a first pressure chamber by a pressure upstream of a throttle valve; A diaphragm actuator is provided that is driven in accordance with the pressure downstream of the throttle valve introduced into the second pressure chamber, and the effective pressure receiving area of the first pressure chamber and the second pressure chamber of this diaphragm actuator is A supercharging device for an internal combustion engine characterized by different features.