JPH0487919U - - Google Patents
Info
- Publication number
- JPH0487919U JPH0487919U JP40024290U JP40024290U JPH0487919U JP H0487919 U JPH0487919 U JP H0487919U JP 40024290 U JP40024290 U JP 40024290U JP 40024290 U JP40024290 U JP 40024290U JP H0487919 U JPH0487919 U JP H0487919U
- Authority
- JP
- Japan
- Prior art keywords
- resonator pipe
- deceleration
- side resonator
- acceleration
- pipe line
- 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.)
- Withdrawn
Links
- 238000011144 upstream manufacturing Methods 0.000 claims description 8
- 230000001133 acceleration Effects 0.000 claims description 7
- 230000003584 silencer Effects 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
- 230000030279 gene silencing Effects 0.000 description 1
Landscapes
- Foundations (AREA)
- Joining Of Building Structures In Genera (AREA)
- Reinforcement Elements For Buildings (AREA)
Description
第１図は本考案のレゾネータ形消音器の一実施
例を示す縦断面図である。第２図は従来のレゾネ
ータ形消音器の一例を示す縦断面図である。第３
図ないし第６図はレゾネータ室の配置状態により
消音特性が異なることを説明するための説明図で
ある。
主要な部分の符号の説明、５１……排気管、５
３……上流側分岐部、５５……下流側分岐部、５
７……加速側レゾネータ管路、５９……減速側レ
ゾネータ管路、６５……加速側レゾネータパイプ
、７１……減速側レゾネータパイプ、７３……消
音器本体、７７……上流側弁、７９……下流側弁
、８５……制御装置。
FIG. 1 is a longitudinal sectional view showing an embodiment of the resonator type muffler of the present invention. FIG. 2 is a longitudinal sectional view showing an example of a conventional resonator type muffler. Third
6 through 6 are explanatory diagrams for explaining that the silencing characteristics differ depending on the arrangement of the resonator chambers. Explanation of symbols of main parts, 51...exhaust pipe, 5
3... Upstream branch, 55... Downstream branch, 5
7... Acceleration side resonator pipe line, 59... Deceleration side resonator pipe line, 65... Acceleration side resonator pipe, 71... Deceleration side resonator pipe, 73... Silencer body, 77... Upstream side valve, 79... ...downstream valve, 85...control device.
Claims (1)
レゾネータ管路と減速側レゾネータ管路の形成さ
れる排気管と、前記加速側レゾネータ管路に形成
される貫通孔に挿入端を上流側に向けて挿入され
る加速側レゾネータパイプと、前記減速側レゾネ
ータ管路に形成される貫通孔に挿入端を下流側に
向けて挿入される減速側レゾネータパイプと、前
記加速側レゾネータパイプおよび減速側レゾネー
タパイプを収容する消音器本体と、前記上流側分
岐部および下流側分岐部にそれぞれ配置され前記
加速側レゾネータ管路および減速側レゾネータ管
路の開閉を行なう上流弁および下流側弁と、エン
ジンの回転数を入力し回転数増加状態にある時に
は、前記上流側弁および下流側弁を駆動し前記加
速側レゾネータ管路を開とし、前記減速側レゾネ
ータ管路を閉とするとともに、回転数減少状態に
ある時には、前記上流側弁および下流側弁を駆動
し前記加速側レゾネータ管路を閉とし、前記減速
側レゾネータ管路を開とする制御装置とを備えた
ことを特徴とするレゾネータ形消音器。 An exhaust pipe in which an acceleration side resonator pipe line and a deceleration side resonator pipe line are formed between the upstream side branch part and the downstream side branch part, and an insertion end into the through hole formed in the acceleration side resonator pipe line on the upstream side. an acceleration-side resonator pipe inserted toward the deceleration side, a deceleration-side resonator pipe inserted into a through hole formed in the deceleration-side resonator conduit with its insertion end facing downstream, the acceleration-side resonator pipe and the deceleration side. A muffler main body that accommodates a resonator pipe, an upstream valve and a downstream valve that are arranged at the upstream branch part and the downstream branch part and open and close the acceleration side resonator pipe line and the deceleration side resonator pipe line, respectively, When the rotational speed is input and the rotational speed is increasing, the upstream valve and the downstream valve are driven to open the acceleration side resonator pipe and close the deceleration side resonator pipe, and the rotational speed is reduced. a control device that drives the upstream valve and the downstream valve to close the acceleration side resonator pipe line and open the deceleration side resonator pipe line when the resonator type silencer .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40024290U JPH0487919U (en) | 1990-12-10 | 1990-12-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP40024290U JPH0487919U (en) | 1990-12-10 | 1990-12-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0487919U true JPH0487919U (en) | 1992-07-30 |
Family
ID=31878517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP40024290U Withdrawn JPH0487919U (en) | 1990-12-10 | 1990-12-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0487919U (en) |
-
1990
- 1990-12-10 JP JP40024290U patent/JPH0487919U/ja not_active Withdrawn
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Withdrawal of application because of no request for examination |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19950518 |