JPH0272316U - - Google Patents
Info
- Publication number
- JPH0272316U JPH0272316U JP1988152023U JP15202388U JPH0272316U JP H0272316 U JPH0272316 U JP H0272316U JP 1988152023 U JP1988152023 U JP 1988152023U JP 15202388 U JP15202388 U JP 15202388U JP H0272316 U JPH0272316 U JP H0272316U
- Authority
- JP
- Japan
- Prior art keywords
- engine room
- exhaust gas
- engine
- tailpipe
- discharged
- 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
- 238000009423 ventilation Methods 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Exhaust Silencers (AREA)
- Jet Pumps And Other Pumps (AREA)
Description
第１図は本考案に係るリヤエンジンバスの換気
装置の概略平面図、第２図はその要部側面図、第
３図は本考案の他の実施例に係る換気装置の要部
側面図、第４図は従来のリヤエンジンバスの換気
装置の概略平面図である。
５……マフラ、９……エンジンルーム、１７…
…テールパイプ、１７ａ……ジエツトノズル部、
１９……外筒、２１……ダクト、２９……分岐管
、３１……リリーフバルブ。
FIG. 1 is a schematic plan view of a ventilation system for a rear engine bus according to the present invention, FIG. 2 is a side view of the main part thereof, and FIG. 3 is a side view of the main part of a ventilation system according to another embodiment of the present invention. FIG. 4 is a schematic plan view of a conventional rear engine bus ventilation system. 5...Muffler, 9...Engine room, 17...
... Tail pipe, 17a ... Jet nozzle part,
19...outer cylinder, 21...duct, 29...branch pipe, 31...relief valve.
Claims (1)
エンジンからの排気ガスを当該エンジンルームの
外部に設置したマフラを介して外気に排出してな
るリヤエンジンバスに於て、上記マフラに挿着さ
れるテールパイプの後端を絞つて当該テールパイ
プ後端にジエツトノズル部を形成し、且つ当該ジ
エツトノズル部の外周に排気ガス流の上流側が閉
塞された外筒をテールパイプと同軸上に配すると
共に、当該外筒と上記エンジンルームとをダクト
で連通したことを特徴とするエンジンルームの換
気装置。 The engine room is sectioned at the bottom of the rear of the vehicle,
In a rear engine bus in which exhaust gas from the engine is discharged to the outside air via a muffler installed outside the engine room, the rear end of the tailpipe inserted into the muffler is squeezed and the exhaust gas is discharged from the tailpipe. A jet nozzle portion is formed at the end, and an outer cylinder whose upstream side of the exhaust gas flow is closed is disposed on the outer periphery of the jet nozzle portion coaxially with the tail pipe, and the outer cylinder and the engine room are communicated through a duct. An engine room ventilation system characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988152023U JPH0272316U (en) | 1988-11-21 | 1988-11-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988152023U JPH0272316U (en) | 1988-11-21 | 1988-11-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0272316U true JPH0272316U (en) | 1990-06-01 |
Family
ID=31426584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988152023U Pending JPH0272316U (en) | 1988-11-21 | 1988-11-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0272316U (en) |
-
1988
- 1988-11-21 JP JP1988152023U patent/JPH0272316U/ja active Pending