초록 ▼

An exhaust system having a protective arrangement includes a plurality of spaced overlapping inclined armor plate blockers providing a ballistic shield over the entire exhaust area. A louvered grate is provided extending between the tops of the blockers to permit egress of gases from the engine but

An exhaust system having a protective arrangement includes a plurality of spaced overlapping inclined armor plate blockers providing a ballistic shield over the entire exhaust area. A louvered grate is provided extending between the tops of the blockers to permit egress of gases from the engine but to block destructive elements from being thrown into the interior of an engine. Cooling air is supplied to the blockers and is caused to move along a path which carries it across the surfaces of the blockers so as to materially reduce the temperature of these surfaces. Further, this cooling air is directed not only over surfaces of the blockers which are directly visible externally of the vehicle, but also over a surface which, while not directly visible from the exterior of the vehicle, is a potential source of reflected heat which could be sensed exteriorly of the vehicle.

대표청구항 ▼

An exhaust system having a protective arrangement for a gas turbine engine mounted in a vehicle comprising: duct means having an inlet end for receiving hot exhaust gases from the engine and an outlet end for discharging gases therefrom; a plurality of laterally spaced armor plate blocker members di

An exhaust system having a protective arrangement for a gas turbine engine mounted in a vehicle comprising: duct means having an inlet end for receiving hot exhaust gases from the engine and an outlet end for discharging gases therefrom; a plurality of laterally spaced armor plate blocker members disposed in said duct means, said blocker members being inclined relative to a longitudinal axis of said duct means and adjacent ones of said blocker members overlapping each other to block line-of-sight viewing parallel to said longitudinal axis for providing a ballistic shield across the cross-sectional area of said duct means, said blocker members being effective for channeling exhaust gases therebetween; means for supplying cooling air to said blocker members; and means for directing the cooling air along inner surfaces of said blocker members to cool said surfaces and reduce infrared radiation therefrom to the exterior of the vehicle.