JPH0319463U - - Google Patents
Info
- Publication number
- JPH0319463U JPH0319463U JP8031289U JP8031289U JPH0319463U JP H0319463 U JPH0319463 U JP H0319463U JP 8031289 U JP8031289 U JP 8031289U JP 8031289 U JP8031289 U JP 8031289U JP H0319463 U JPH0319463 U JP H0319463U
- Authority
- JP
- Japan
- Prior art keywords
- internal combustion
- combustion engine
- crank chamber
- communication passage
- chamber
- 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.)
- Pending
Links
- 238000002485 combustion reaction Methods 0.000 claims description 5
Landscapes
- Supercharger (AREA)
Description
図面は本考案の一実施例を示し、第１図は要部
縦断面図、第２図は他の実施例を示す要部縦断面
図である。
１……気化器、２……クランク室予圧縮式内燃
機関、３……吸気口、４……給気通路、５……ク
ランク室、６……連通路、７……自動制御弁、８
……共鳴室。
The drawings show one embodiment of the present invention, with FIG. 1 being a longitudinal sectional view of the main part, and FIG. 2 being a longitudinal sectional view of the main part showing another embodiment. DESCRIPTION OF SYMBOLS 1... Carburetor, 2... Crank chamber precompression internal combustion engine, 3... Intake port, 4... Air supply passage, 5... Crank chamber, 6... Communication passage, 7... Automatic control valve, 8
...Resonance chamber.
Claims (1)
気口３とをつなぐ給気通路４と前記内燃機関のク
ランク室５間に連通路６が設けられ、該連通路６
に前記内燃機関２の所定回転数による振動に感応
して開き前記クランク室内圧を低減せしめる自動
制御弁７が設けられ、さらに前記連通路６に共鳴
室８が設けられてなることを特徴とする内燃機関
の吸気騒音低減装置。 A communication passage 6 is provided between an air supply passage 4 connecting the carburetor 1 and the intake port 3 of the crank chamber precompression type internal combustion engine 2 and the crank chamber 5 of the internal combustion engine.
is provided with an automatic control valve 7 that opens in response to vibrations caused by a predetermined rotational speed of the internal combustion engine 2 to reduce the pressure in the crank chamber, and further provided with a resonance chamber 8 in the communication passage 6. Intake noise reduction device for internal combustion engines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8031289U JPH0319463U (en) | 1989-07-07 | 1989-07-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8031289U JPH0319463U (en) | 1989-07-07 | 1989-07-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0319463U true JPH0319463U (en) | 1991-02-26 |
Family
ID=31625258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8031289U Pending JPH0319463U (en) | 1989-07-07 | 1989-07-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0319463U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6316835U (en) * | 1986-07-16 | 1988-02-04 |
-
1989
- 1989-07-07 JP JP8031289U patent/JPH0319463U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6316835U (en) * | 1986-07-16 | 1988-02-04 |
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