JPH0469375U - - Google Patents
Info
- Publication number
- JPH0469375U JPH0469375U JP11334890U JP11334890U JPH0469375U JP H0469375 U JPH0469375 U JP H0469375U JP 11334890 U JP11334890 U JP 11334890U JP 11334890 U JP11334890 U JP 11334890U JP H0469375 U JPH0469375 U JP H0469375U
- Authority
- JP
- Japan
- Prior art keywords
- dust cover
- shell
- opening
- end portion
- filter
- 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
- 239000000428 dust Substances 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims 1
- 230000003584 silencer Effects 0.000 claims 1
Landscapes
- Braking Systems And Boosters (AREA)
Description
第１図は本考案の一実施例を示す断面図、第２
図は他の実施例を示す要部の断面図である。
１，１０１……シエル、１ａ，１０１ａ……開
口、６，１０６……バルブボデイ、６ａ，１０６
ａ……末端筒状部、７，１０７……弁機構、１８
，１１８……大気通路、１９，１１９……フイル
タ、２２，１２２……入力軸、３５，１３５……
第２フイルタ、３６，１３６……ダストカバー、
３６ａ，１３６ａ……エア導入口、３７，１３７
……空間、３８，１３８……連通路。
Fig. 1 is a sectional view showing one embodiment of the present invention;
The figure is a sectional view of main parts showing another embodiment. 1,101...Ciel, 1a,101a...Opening, 6,106...Valve body, 6a,106
a... End cylindrical part, 7,107... Valve mechanism, 18
, 118... Atmospheric passage, 19, 119... Filter, 22, 122... Input shaft, 35, 135...
2nd filter, 36,136...dust cover,
36a, 136a...Air inlet, 37, 137
...Space, 38,138...Communication path.
Claims (1)
がシエルの開口から外部に突出されたバルブボデ
イと、このバルブボデイ内に収納されて流体通路
を開閉制御する弁機構と、上記末端筒状部内に挿
通されて上記弁機構に連動する入力軸と、この入
力軸と末端筒状部との間に形成した大気通路と、
この大気通路内に設けた第１フイルタと、上記シ
エルの開口から外部に突出された末端筒状部を覆
うダストカバーとを備えるブレーキ倍力装置にお
いて、 上記シエルの開口部分の外周に第２フイルタを
取付け、上記ダストカバーの一端部で上記第２フ
イルタを覆わせるとともに該端部をシエルに連結
し、かつ該ダストカバーにエア導入口を形成して
該エア導入口を第２フイルタを介してダストカバ
ーと末端筒状部との間の空間に連通させ、 さらに、上記ダストカバーの他端部を上記入力
軸に連結して該ダストカバーで上記末端筒状部の
開口を覆わせるとともに、該末端筒状部とダスト
カバーとの間に上記空間と大気通路とを連通する
連通路を形成したことを特徴とするブレーキ倍力
装置の消音装置。[Claims for Utility Model Registration] A valve body that is provided in a shell so as to be able to reciprocate and whose terminal cylindrical portion projects outward from the opening of the shell, and a valve mechanism housed within the valve body that controls the opening and closing of a fluid passage. an input shaft inserted into the cylindrical end portion and interlocked with the valve mechanism; an atmospheric passage formed between the input shaft and the cylindrical end portion;
In a brake booster comprising a first filter provided in the atmospheric passage and a dust cover covering a terminal cylindrical portion protruding outside from the opening of the shell, a second filter is provided on the outer periphery of the opening of the shell. the second filter is covered with one end of the dust cover, and the end is connected to the shell, and an air inlet is formed in the dust cover, and the air inlet is inserted through the second filter. communicates with the space between the dust cover and the cylindrical end portion, and further connects the other end of the dust cover to the input shaft to cover the opening of the cylindrical end portion with the dust cover; A silencer for a brake booster, characterized in that a communication passage is formed between the cylindrical end portion and the dust cover to communicate the space with the atmospheric passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11334890U JPH0469375U (en) | 1990-10-29 | 1990-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11334890U JPH0469375U (en) | 1990-10-29 | 1990-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0469375U true JPH0469375U (en) | 1992-06-19 |
Family
ID=31860920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11334890U Pending JPH0469375U (en) | 1990-10-29 | 1990-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0469375U (en) |
-
1990
- 1990-10-29 JP JP11334890U patent/JPH0469375U/ja active Pending