JPH035961U - - Google Patents

Description

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

第１図は第１の実施例の２サイクル内燃機関の
全体構成図、第２図は第１図のシリンダヘツドの
底面図、第３図は流体ダイオードの中空円錐状体
を示す図、第４図は給排気弁の開閉弁時期を示す
線図、第５図は第２の実施例の２サイクル内燃機
関のシリンダヘツドの底面図、第６図は給排気弁
の開閉弁時期および排気量を示す線図である。 ３２……給気通路、４０ｂ，８４……第１排気
枝管、４ｃ，８６……第２排気枝管、４６……Ｅ
ＧＲガス供給通路。 Fig. 1 is an overall configuration diagram of a two-stroke internal combustion engine according to the first embodiment, Fig. 2 is a bottom view of the cylinder head shown in Fig. 1, Fig. 3 is a diagram showing a hollow conical body of a fluid diode, Fig. 4 The figure is a diagram showing the opening and closing timing of the supply and exhaust valves, Figure 5 is a bottom view of the cylinder head of the two-stroke internal combustion engine of the second embodiment, and Figure 6 is a diagram showing the opening and closing timing of the supply and exhaust valves and the displacement FIG. 32... Air supply passage, 40b, 84... First exhaust branch pipe, 4c, 86... Second exhaust branch pipe, 46...E
GR gas supply passage.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 新気をほとんど含まない排気ガスが流れる第１
排気通路と、多量の新気を含む排気ガスが流れる
第２排気通路とを備え、前記第２排気通路と給気
通路とを再循環排気ガス供給通路で連結して前記
第２排気通路内を流れる排気ガスの一部を前記給
気通路に還流するようにした２サイクル内燃機関
。 No. 1, through which exhaust gas containing almost no fresh air flows.
The second exhaust passage includes an exhaust passage and a second exhaust passage through which exhaust gas containing a large amount of fresh air flows, and the second exhaust passage and the air supply passage are connected by a recirculation exhaust gas supply passage so that the inside of the second exhaust passage is A two-stroke internal combustion engine in which a part of flowing exhaust gas is returned to the air supply passage.