JPS6228067U - - Google Patents

Description

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

第１図〜第３図は本考案の第１実施例を示すも
ので、第１図はＶ型とされたエンジンの要部断面
正面図第２図は第１図に示すサージタンク部分で
の平面断面図、第３図は第２図の側面断面図。第
４図、第５図は本考案の第２実施例を示すもので
、第４図は一部断面要部平面図、第５図は第４図
の側面図。第６図、第７図は本考案の第３実施例
を示すもので、第６図は一部断面要部斜視図、第
７図は第１、第２吸気通路側から２つのサージタ
ンクを見た第６図の一部断面側面図。 １：一の気筒群、２：他の気筒群、３：サージ
タンク、３Ａ：第１サージタンク、３Ｂ：第２サ
ージタンク、３Ｃ：第３サージタンク、４，５：
接続ポート、７，９：独立吸気管、１０，１１：
吸気導入口、１２：二連吸気管、１３：第１吸気
管、１３Ａ：第１吸気通路、１４：第２吸気管、
１４Ａ：第２吸気通路、３１：通路部材、３２：
ＥＧＲバルブ、３３：共通導入通路、３４：第１
導入通路、３５：第２導入通路、３６，３７：導
入口、３８：ＥＧＲパイプ、４１：通路部材、４
２：共通通路、５１：共通吸気管、５２：共通導
入管、５３：第１導入管、５４：第２導入管。 Figures 1 to 3 show the first embodiment of the present invention. Figure 1 is a cross-sectional front view of the main part of a V-type engine. Figure 2 is a front view of the surge tank shown in Figure 1. A plan sectional view, and FIG. 3 is a side sectional view of FIG. 2. 4 and 5 show a second embodiment of the present invention, in which FIG. 4 is a partially sectional plan view of essential parts, and FIG. 5 is a side view of FIG. 4. Figures 6 and 7 show a third embodiment of the present invention, with Figure 6 being a partially cross-sectional perspective view of the main parts, and Figure 7 showing the two surge tanks from the first and second intake passage sides. FIG. 6 is a partially sectional side view of FIG. 6; 1: One cylinder group, 2: Other cylinder group, 3: Surge tank, 3A: First surge tank, 3B: Second surge tank, 3C: Third surge tank, 4, 5:
Connection port, 7, 9: Independent intake pipe, 10, 11:
Intake intake port, 12: dual intake pipe, 13: first intake pipe, 13A: first intake passage, 14: second intake pipe,
14A: Second intake passage, 31: Passage member, 32:
EGR valve, 33: Common introduction passage, 34: First
Introduction passage, 35: Second introduction passage, 36, 37: Introduction port, 38: EGR pipe, 41: Passage member, 4
2: common passage, 51: common intake pipe, 52: common introduction pipe, 53: first introduction pipe, 54: second introduction pipe.

Claims (1)

【実用新案登録請求の範囲】 一の気筒群用の第１サージタンクと他の気筒群
用の第２サージタンクとを備え、該両サージタン
ク上流の吸気通路が、上記第１サージタンクに連
なる第１吸気通路と上記第２サージタンクに連な
る第２吸気通路との２系統に分離されたエンジン
の吸気装置において、 前記第１、第２の両吸気通路は、対応する前記
サージタンクから互いに同方向に伸びるようにし
て並設され、 吸気付加ガス用の導入通路が、前記第１サージ
タンクに連なる第１導入通路と前記第２導入通路
に連なる第２導入通路との２系統として分離して
構成され、 前記第１、第２の両導入通路は、前記第１、第
２の両吸気通路に沿うように配設されている、 ことを特徴とするエンジンの吸気装置。[Claims for Utility Model Registration] A first surge tank for one cylinder group and a second surge tank for another cylinder group are provided, and an intake passage upstream of both surge tanks is connected to the first surge tank. In an engine intake system separated into two systems, a first intake passage and a second intake passage connected to the second surge tank, both the first and second intake passages are connected to the corresponding surge tank in the same manner as each other. The introduction passage for the intake additional gas is separated into two systems: a first introduction passage connected to the first surge tank and a second introduction passage connected to the second introduction passage. An intake system for an engine, wherein the first and second introduction passages are arranged along both the first and second intake passages.