Patent · US Expired

Nose cowl mounted oil lubricating and cooling system

US4722666A · kind A · utility

33Cited by
22References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 1987
Grant dateFeb 2, 1988
Priority date
Expiry dateJun 29, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/60
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.