JPH0264747U - - Google Patents
Info
- Publication number
- JPH0264747U JPH0264747U JP14443788U JP14443788U JPH0264747U JP H0264747 U JPH0264747 U JP H0264747U JP 14443788 U JP14443788 U JP 14443788U JP 14443788 U JP14443788 U JP 14443788U JP H0264747 U JPH0264747 U JP H0264747U
- Authority
- JP
- Japan
- Prior art keywords
- movable member
- surge tank
- cam nose
- driving force
- volume
- 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 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
Landscapes
- Characterised By The Charging Evacuation (AREA)
Description
第１図は本考案の第１実施例に係る内燃機関の
吸気騒音低減装置の縦断面図、第２図は第１図の
装置の概略透視平面図、第３図は第１図の装置の
インテークバルブ近傍およびサージタンク内の圧
力特性図、第４図は本考案の第２実施例に係る内
燃機関の吸気騒音低減装置の縦断面図、第５図は
従来装置のサージタンク内圧力特性図、である。
１１……シリンダヘツド、１２……インテーク
マニホルド、１３……インテークバルブ、１４…
…インテークカムシヤフト、１５，４１……サー
ジタンク、１６……スロツトルバルブ、１７……
インテークバルブ駆動用カムノーズ、１８……閉
端壁、１９……可動部材としての可動膜、２０，
４４……ロツド、２１，４５……ピン、２２……
スプリング、２３，４６……駆動シヤフト、２４
……可動部材駆動用カムノーズ、４２……可動部
材としてのピストン、４３……シリンダ。
1 is a longitudinal sectional view of an intake noise reduction device for an internal combustion engine according to a first embodiment of the present invention, FIG. 2 is a schematic perspective plan view of the device shown in FIG. 1, and FIG. 3 is a schematic perspective view of the device shown in FIG. Figure 4 is a longitudinal sectional view of the intake noise reduction device for an internal combustion engine according to the second embodiment of the present invention, and Figure 5 is a pressure characteristic diagram in the surge tank of the conventional device. , is. 11... Cylinder head, 12... Intake manifold, 13... Intake valve, 14...
...Intake camshaft, 15,41...Surge tank, 16...Throttle valve, 17...
Intake valve driving cam nose, 18... closed end wall, 19... movable membrane as a movable member, 20,
44... Rod, 21, 45... Pin, 22...
Spring, 23, 46... Drive shaft, 24
... Cam nose for driving a movable member, 42 ... Piston as a movable member, 43 ... Cylinder.
Claims (1)
から一番遠い気筒に対応する位置近傍に、自身の
動きによりサージタンクの容積を可変可能な可動
部材を設け、インテークカムシヤフトに、前記気
筒のインテークバルブ開閉用カムノーズと一定の
位相差を有するカムノーズを設け、該カムノーズ
と前記可動部材の間に、該カムノーズによる駆動
力を可動部材駆動力として前記可動部材に伝達す
る駆動力伝達手段を設けたことを特徴とする内燃
機関の吸気騒音低減装置。 A movable member that can change the volume of the surge tank by its own movement is provided near the position of the surge tank corresponding to the cylinder furthest from the air intake side of the surge tank, and the intake camshaft is provided with a movable member that can change the volume of the surge tank by its own movement. A cam nose having a certain phase difference with the opening/closing cam nose is provided, and a driving force transmission means is provided between the cam nose and the movable member to transmit the driving force from the cam nose to the movable member as the movable member driving force. Features: Internal combustion engine intake noise reduction device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14443788U JPH0264747U (en) | 1988-11-07 | 1988-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14443788U JPH0264747U (en) | 1988-11-07 | 1988-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0264747U true JPH0264747U (en) | 1990-05-15 |
Family
ID=31412152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14443788U Pending JPH0264747U (en) | 1988-11-07 | 1988-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0264747U (en) |
-
1988
- 1988-11-07 JP JP14443788U patent/JPH0264747U/ja active Pending
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