Patent ID: 9611807
Date: 2017-04-04
CPC Classifications: B64C,F02K

Claim:
1. A gas ejection cone, comprising: a cylindrical-shaped front cone portion; a conical-shaped rear cone portion; a drainage and/or ventilation tube extending inside the cylindrical-shaped front cone portion and the conical-shaped rear cone portion, the drainage and/or ventilation tube emerging at an end of the conical-shaped rear cone portion; and a support bearing of the drainage and/or ventilation tube which is disposed inside the conical-shaped rear cone portion, wherein the conical-shaped rear cone portion is fixed and comprises a front sub-portion secured fixedly to the cylindrical-shaped front cone portion, and a rear sub-portion secured fixedly to the front sub-portion such that the front and rear sub-portions cannot rotate relative to the cylindrical-shaped front cone portion, the rear sub-portion being equipped with an outlet port of the drainage and/or ventilation tube and being removable from the front sub-portion in order to inspect an inside of the gas ejection cone.