JPH0434439U - - Google Patents
Info
- Publication number
- JPH0434439U JPH0434439U JP7557890U JP7557890U JPH0434439U JP H0434439 U JPH0434439 U JP H0434439U JP 7557890 U JP7557890 U JP 7557890U JP 7557890 U JP7557890 U JP 7557890U JP H0434439 U JPH0434439 U JP H0434439U
- Authority
- JP
- Japan
- Prior art keywords
- exhaust pipe
- cylinder
- orifice
- pressure
- pressure 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
Landscapes
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
第１図及び第２図は本考案の排気ブレーキ装置
の好適一実施例を示す断面図、第３図は第１図の
要部詳細断面図、第４図は従来例を示す断面図で
ある。
図中１はスプリングリターン式空気圧シリンダ
、２はピストンロツド、４はゲート弁、９は圧力
室、１６，１７はシールリング、１８はシール軸
受部、２０はオリフイス、２１は逆止弁である。
1 and 2 are cross-sectional views showing a preferred embodiment of the exhaust brake device of the present invention, FIG. 3 is a detailed cross-sectional view of the main part of FIG. 1, and FIG. 4 is a cross-sectional view showing a conventional example. . In the figure, 1 is a spring return type pneumatic cylinder, 2 is a piston rod, 4 is a gate valve, 9 is a pressure chamber, 16 and 17 are seal rings, 18 is a seal bearing, 20 is an orifice, and 21 is a check valve.
Claims (1)
ンロツドの先端に排気管を開閉するためのゲート
弁を設け、上記シリンダの排気管取付部にシール
リングをラビリンス的に配置させてシール軸受部
を形成し、上記ロツド内に上記シリンダの圧力室
と上記軸受部の排気管側とを連通させてオリフイ
スを設け、該オリフイスに上記圧力室内圧が排気
ブレーキ作動圧に達した時に開弁する逆止弁を設
けたことを特徴とするエンジンの排気ブレーキ装
置。 A gate valve for opening and closing the exhaust pipe is provided at the tip of the piston rod of the spring return type pneumatic cylinder, and a seal ring is arranged like a labyrinth at the exhaust pipe mounting part of the cylinder to form a seal bearing part, and the seal ring is placed inside the rod. An orifice is provided in communication between the pressure chamber of the cylinder and the exhaust pipe side of the bearing, and the orifice is provided with a check valve that opens when the pressure in the pressure chamber reaches the exhaust brake operating pressure. Exhaust brake device for the engine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7557890U JPH0434439U (en) | 1990-07-18 | 1990-07-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7557890U JPH0434439U (en) | 1990-07-18 | 1990-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0434439U true JPH0434439U (en) | 1992-03-23 |
Family
ID=31616272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7557890U Pending JPH0434439U (en) | 1990-07-18 | 1990-07-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434439U (en) |
-
1990
- 1990-07-18 JP JP7557890U patent/JPH0434439U/ja active Pending