To efficiently exhaust air inside a vehicle while preventing air from blowing into the inside of the vehicle from the outside.SOLUTION: An exhaust device 10 includes an exhaust port 12 for taking in air in a vehicle, an exhaust passage 20 communicating with the exhaust port 12 and extending to the outside the vehicle, a cylindrical part 30 provided along the outside of the vehicle such that traveling wind passes therethrough and having an outflow port 22 of the exhaust passage 20 opened in its inner wall, and an exhaust port valve 14 provided to close the exhaust port 12 from the side of the exhaust passage 20 and opened by receiving the flow of air into the exhaust port 12 from the inside of the vehicle. A cross sectional area orthogonal to a direction in which the traveling wind passes through of the cylindrical part 30 at a position where the outflow port 22 is opened is made smaller than that at a position where the traveling wind flows therein. Accordingly, the venturi effect can be exhibited in the vicinity of the outflow port 22 and the air inside the vehicle can be efficiently exhausted without power. In addition, blowing-in of air from the outside of the vehicle can be prevented by the exhaust port valve 14.SELECTED DRAWING: Figure 6
【課題】車外からの空気の吹き込みを防止しながら、車内の空気を効率よく排気する。【解決手段】排気装置10は、車内で空気を取り込む排気口12と、排気口12に連通して車外へと延びる排気通路20と、走行風が通り抜けるように車外に沿って設けられ、排気通路20の流出口22が内壁に開口した筒状部30と、排気口12を排気通路20側から塞ぐように設けられ、車内から排気口12への空気の流れを受けることで開く排気口弁14とを含み、筒状部30の、走行風が通り抜ける方向と直交する断面積は、流出口22が開口している位置で、走行風が流入する位置よりも小さくなっている。これにより、流出口22の近傍でベンチュリ効果を発揮させ、車内の空気を無動力で効率よく排気することができ、しかも、排気口弁14によって、車外からの空気の吹き込みを防止することができる。【選択図】図6
EXHAUST DEVICE
排気装置
29.09.2023
Patent
Elektronische Ressource
Japanisch
IPC: | B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht |