JPS62185869U

JPS62185869U -

Info

Publication number: JPS62185869U
Application number: JP7390586U
Authority: JP
Priority date: 1986-05-19
Filing date: 1986-05-19
Publication date: 1987-11-26

Description

[Brief explanation of the drawing]

第１図ａ，ｂは本考案の第１実施例を示し、第
１図ａは第１実施例の正面図、第１図ｂは第１実
施例の側面図、第２図ａ，ｂは第１実施例を適用
した多気筒内燃機関を示し、第２図ａは内燃機関
の正面図、第２図ｂは内燃機関の側面図、第３図
ａ，ｂは第２実施例を示し、第３図ａは第２実施
例の正面図、第３図ｂは第３実施例の側面図、第
４図は第３実施例を示す正面図である。１１…サージタンク、１２…機関本体、１５…
枝管、１６…第１フランジ、１７…連結管、１８
…第２フランジ、２５…内側ボルト用ボス。 Figures 1a and b show a first embodiment of the present invention, Figure 1a is a front view of the first embodiment, Figure 1b is a side view of the first embodiment, and Figures 2a and b are 2 shows a multi-cylinder internal combustion engine to which the first embodiment is applied, FIG. 2 a shows a front view of the internal combustion engine, FIG. 2 b shows a side view of the internal combustion engine, and FIGS. 3 a and b show the second embodiment, FIG. 3a is a front view of the second embodiment, FIG. 3b is a side view of the third embodiment, and FIG. 4 is a front view of the third embodiment. 11... Surge tank, 12... Engine body, 15...
Branch pipe, 16... First flange, 17... Connecting pipe, 18
...Second flange, 25...Boss for inner bolt.

Claims

[Claims for Utility Model Registration] 1. A first flange is formed at the end of a branch pipe that branches off from the surge tank, and a second flange is formed at the end of a connecting pipe connected to the intake hole of each cylinder. In a surge tank mounting structure for a multi-cylinder internal combustion engine in which the first and second flanges are fastened together with bolts, the surge tank is formed on at least one of the first and second flanges, and is formed between each branch pipe or between each connecting pipe. A surge surge of a multi-cylinder internal combustion engine characterized in that among bolt bosses located on the engine body side, the axial thickness of the bosses located on the side of the engine body is greater than the axial thickness of the bosses located on the opposite side of the engine body. Tank mounting structure. 2 Among the bolt bosses located between each of the above branch pipes or between each connecting pipe, the axial thickness of the boss located on the engine main body side is three times the axial thickness of the boss located on the opposite side of the engine main body. The surge tank mounting structure according to claim 1 of the utility model registration claim, characterized in that the surge tank mounting structure is increased in size. 3 The head or nut of the bolt attached to the bolt boss located between each of the branch pipes or between each of the connecting pipes is located on the outside of the engine body with respect to the center line of the branch pipe or the connecting pipe. A surge tank mounting structure according to claim 1 of the utility model registration claim.