JPH035934U - - Google Patents

Description

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

第１図は本考案の実施例にかかる吸気装置のシ
ステム図、第２図は開閉弁の具体的構成を示す縦
断面図、第３図は第１図に示した吸気装置の具体
的レイアウトを示す平面図、第４図は第３図の
−矢視図である。 １……エンジン、２……吸気マニーホールド、
３……吸気通路、４……ターボ過給機、５……イ
ンタークーラ、６……スロツトルバルブ、７……
リリーフ通路、８……開閉弁、９……負圧導管。 FIG. 1 is a system diagram of an intake device according to an embodiment of the present invention, FIG. 2 is a vertical cross-sectional view showing a specific configuration of an on-off valve, and FIG. 3 is a specific layout of the intake device shown in FIG. 1. The plan view shown in FIG. 4 is a view taken along the - arrow in FIG. 3. 1...Engine, 2...Intake manifold,
3... Intake passage, 4... Turbo supercharger, 5... Intercooler, 6... Throttle valve, 7...
Relief passage, 8...on/off valve, 9...negative pressure conduit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 過給機を備えた吸気通路の該過給機下流側位置
に、クーラエレメントの上流側に位置する上流側
タンク部と下流側に位置する下流側タンク部とを
もつインタークーラを設ける一方、上記吸気通路
の過給機上流側と下流側とを、その通路途中に過
給機下流側の吸気圧に応じて開閉する開閉弁を備
えたリリーフ通路を介して相互に連通せしめてな
る過給機付エンジンにおいて、上記リリーフ通路
の吸気通路下流側の一端を上記インタークーラの
下流側タンク部に開口させたことを特徴とする過
給機付エンジンの吸気装置。 An intercooler having an upstream tank section located upstream of the cooler element and a downstream tank section located downstream of the cooler element is provided at a position downstream of the supercharger in the intake passage provided with the supercharger, while the above-mentioned A supercharger in which the intake passage upstream and downstream of the supercharger are communicated with each other via a relief passage that is equipped with an on-off valve that opens and closes depending on the intake pressure on the downstream side of the supercharger. An intake system for an engine with a supercharger, characterized in that one end of the relief passage on the downstream side of the intake passage opens into a downstream tank portion of the intercooler.