JPH0325854U - - Google Patents
Info
- Publication number
- JPH0325854U JPH0325854U JP8654889U JP8654889U JPH0325854U JP H0325854 U JPH0325854 U JP H0325854U JP 8654889 U JP8654889 U JP 8654889U JP 8654889 U JP8654889 U JP 8654889U JP H0325854 U JPH0325854 U JP H0325854U
- Authority
- JP
- Japan
- Prior art keywords
- engine
- communication pipe
- linked
- piston
- air piston
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Description
第１図乃至第３図は本考案の一実施例を示し、
第１図は一部縦断側面図、第２図は要部の縦断正
面図、第３図はクランクシヤフトとの関係を示す
概略図、第４図及び第５図は騒音測定グラフ図を
示し、第４図はポンプ室なしの場合、第５図はポ
ンプ室付きの場合、である。
１…クランクシヤフト、２…ピストン、３…ポ
ンプ室、４…空気ピストン、７…クリーナーボツ
クス、８…連通管、９…開閉弁。
1 to 3 show an embodiment of the present invention,
Fig. 1 is a partially longitudinal side view, Fig. 2 is a longitudinal front view of the main part, Fig. 3 is a schematic diagram showing the relationship with the crankshaft, Figs. 4 and 5 are noise measurement graphs, FIG. 4 shows the case without a pump chamber, and FIG. 5 shows the case with a pump chamber. 1... Crankshaft, 2... Piston, 3... Pump chamber, 4... Air piston, 7... Cleaner box, 8... Communication pipe, 9... Open/close valve.
Claims (1)
動と同期させて往復動するように空気ピストンを
連動させ、該空気ピストンのポンプ室をクリーナ
ーボツクス内と連通管で連結し、該連通管の途中
にスロツトルバルブに連動させた開閉弁を設けた
ことを特徴とするエンジンの吸入音低減装置。 An air piston is linked to the crankshaft so that it reciprocates in synchronization with the reciprocating movement of the engine piston, and the pump chamber of the air piston is connected to the inside of the cleaner box through a communication pipe, and a throttle valve is installed in the middle of the communication pipe. An engine intake noise reduction device characterized by having an on-off valve linked to the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8654889U JPH0754607Y2 (en) | 1989-07-25 | 1989-07-25 | Engine suction noise reduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8654889U JPH0754607Y2 (en) | 1989-07-25 | 1989-07-25 | Engine suction noise reduction device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0325854U true JPH0325854U (en) | 1991-03-18 |
| JPH0754607Y2 JPH0754607Y2 (en) | 1995-12-18 |
Family
ID=31636118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8654889U Expired - Lifetime JPH0754607Y2 (en) | 1989-07-25 | 1989-07-25 | Engine suction noise reduction device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0754607Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008164213A (en) * | 2006-12-28 | 2008-07-17 | Orion Mach Co Ltd | Cooling device of constant-temperature water tank and fan cooler |
-
1989
- 1989-07-25 JP JP8654889U patent/JPH0754607Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008164213A (en) * | 2006-12-28 | 2008-07-17 | Orion Mach Co Ltd | Cooling device of constant-temperature water tank and fan cooler |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0754607Y2 (en) | 1995-12-18 |