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An oil lubricating and cooling system is positioned in the engine cowl and includes a heat exchanger, a compressor for delivering air from air inlets in the surface of the cowl through the heat exchanger and hence to air outlets also in the cowl surface and oil pumps also located within the cowl for

An oil lubricating and cooling system is positioned in the engine cowl and includes a heat exchanger, a compressor for delivering air from air inlets in the surface of the cowl through the heat exchanger and hence to air outlets also in the cowl surface and oil pumps also located within the cowl for circulating oil from the sump in the cowl to the heat exchanger to the reduction gear within the cowl that serve to drive the fan also supported within the cowl and having the blades extending outwardly therefrom. The reduction gear, compressor and pumps are all driven from the engine shaft, the end of which is located in the cowl.

대표청구항 ▼

An oil lubricating and cooling system including: an engine cowl, a reduction gear in the cowl, a fan having a support ring mounted for rotation in the cowl and driven by the reduction gear and having fan blades thereon, an air pump within the cowl, the pump having inlet ducts connected to air inlet

An oil lubricating and cooling system including: an engine cowl, a reduction gear in the cowl, a fan having a support ring mounted for rotation in the cowl and driven by the reduction gear and having fan blades thereon, an air pump within the cowl, the pump having inlet ducts connected to air inlet openings on the outer surface of the cowl and outlet openings in the cowl surface, a heat exchanger downstream of the pump and connected to the outer openings for the discharge of air therefrom, an oil sump within said cowl, an oil pump mounted within said cowl for pumping oil from said sump to said heat exchanger and from the heat exchanger to the reduction gear for lubricating and cooling it, and drive means for said air pump, oil pump and reduction gear.