PROBLEM TO BE SOLVED: To solve some problems that since a jet engine has a wide opened air inlet, the jet engine sometimes sucks foreign materials during ground sliding or flight in the air to show a quite dangerous state, due to this state, a fan or an engine is frequently damaged and if the damage is not remarkable, the engine is repeatedly used in frequent flights, so that the dangerous states are accumulated to cause flights not to be carried out and some serious accidents such as accidental landing or crash occur.SOLUTION: A fan front surface is formed to have a setback shape and at the same time a fan case in respect to an outer peripheral portion of the fan is formed with a recessed circumference. With this arrangement, the sucked foreign materials are broken, crashed and smoothly removed from the recessed circumference or fan discharging holes. Accordingly, a crash pressure received by the fan is weakened and the crashed foreign materials are hardly entered into the engine, so that it is possible to prevent damage of the fan and the engine.SELECTED DRAWING: Figure 1
【課題】 ジエット・エンジンの空気取り入り口は、大きく開口しているため、地上滑走時や飛行中に異物を吸い込み、危険きわまりない。このため、フアンやエンジンは損傷が絶えず、目立たない時は、反復飛行しているが、これが積もり積もって飛行不能となり、不時着、墜落等の重大事故が発生する。【解決手段】 フアン前面を後退状に形成すると共にフアン外周部分に対するフアンケースに凹周を形成した。これにより吸い込んだ異物は、フアン表面をすべりなから、破砕、粉砕されて凹周やフアン排気孔から滑らかに抜ける。したがって、フアンが受ける衝突圧は弱小化し、且、エンジンに粉砕した異物が入り難いので、フアンとエンジンの損傷を防止することができる。【選択図】図1
JET ENGINE EASILY REJECTING SUCKED FOREIGN ITEMS
吸い込んだ異物を排除しやすくしたジエット・エンジン
2016-06-02
Patent
Elektronische Ressource
Japanisch
Safe locking device for sucked material of lifting electromagnet
Europäisches Patentamt | 2020
|Ballast system for reducing sediment sucked by ballast water, and ship
Europäisches Patentamt | 2021
|Safety Poster - What if all of the air was sucked out of the room?
Online Contents | 2005
Rejecting Mismatches by Correspondence Function
British Library Online Contents | 2010
|