JPH0237255U

JPH0237255U -

Info

Publication number: JPH0237255U
Application number: JP11498888U
Authority: JP
Priority date: 1988-09-02
Filing date: 1988-09-02
Publication date: 1990-03-12

Description

[Brief explanation of the drawing]

第１図は本考案の第１実施例に係るＶ型８気筒
エンジン用サージタンクの打音除去装置の平面図
、第２図は第１図の装置の正面図、第３図は第１
図の装置の側面図、第４図は第１図の装置におけ
る圧力モード図、第５図は第１図の圧力モードを
もつ装置の吸気音レベル特性図、第６図は本考案
の第２実施例に係るＶ型８気筒エンジン用サージ
タンクの打音除去装置の平面図、第７図は第６図
の装置の側面図、第８図は本考案の第２実施例に
係る直列４気筒エンジン用サージタンクの打音除
去装置の概略正面図、第９図は第８図の装置にお
ける吸気音レベルと従来装置における吸気音レベ
ルの特性図、第１０図は従来のＶ型８気筒エンジ
ン用サージタンク装置の平面図、第１１図は第７
図の装置の正面図、第１２図は第７図の装置の側
面図、第１３図は従来の第７図の装置における圧
力モード図、第１４図は第１３図の圧力モードを
もつ装置の吸気音レベル特性図、である。１０，４０，７０……サージタンク、１９，５
９，７５……吸気流入口、１１，１２，１３，１
４，１５，１６，１７，１８，５１，５２，５３
，５４，５５，５６，５７，５８，７１，７２，
７３，７４……吸気流出口、２１，２２，７６…
…端壁、６１，６２……端壁（連通壁）。 FIG. 1 is a plan view of a device for eliminating hammering noise for a surge tank for a V-type 8-cylinder engine according to a first embodiment of the present invention, FIG. 2 is a front view of the device shown in FIG. 1, and FIG.
FIG. 4 is a pressure mode diagram of the device shown in FIG. 1, FIG. 5 is an intake sound level characteristic diagram of the device having the pressure mode of FIG. FIG. 7 is a side view of the device shown in FIG. 6, and FIG. 8 is a plan view of a device for eliminating hammering noise for a surge tank for a V-type 8-cylinder engine according to an embodiment, and FIG. 8 is a side view of the device shown in FIG. A schematic front view of a hammering sound removal device for an engine surge tank. Figure 9 is a characteristic diagram of the intake noise level in the device shown in Figure 8 and the intake noise level in a conventional device. Figure 10 is for a conventional V-type 8-cylinder engine. A plan view of the surge tank device, Figure 11 is the 7th
12 is a side view of the device shown in FIG. 7, FIG. 13 is a pressure mode diagram of the conventional device shown in FIG. 7, and FIG. 14 is a diagram of the pressure mode of the device shown in FIG. 13. This is an intake sound level characteristic diagram. 10,40,70...surge tank, 19,5
9, 75...Intake inlet, 11, 12, 13, 1
4, 15, 16, 17, 18, 51, 52, 53
,54,55,56,57,58,71,72,
73, 74...Intake outlet, 21, 22, 76...
...End wall, 61, 62...End wall (communicating wall).

Claims

[Scope of utility model registration request]

an intake inlet; and a plurality of intake outlets, each communicating with a respective cylinder of a multi-cylinder engine, including a first group of intake outlets proximate to the intake inlet and a second group of intake outlets remote from the intake inlet. A surge tank having an air intake outlet and an air intake outlet, wherein an end wall of the surge tank located near the air intake outlet of the second group is moved away from the air intake outlet. Sound removal device.