Title:
PRESSURIZED AIR SYSTEMS FOR AIRCRAFT AND RELATED METHODS
Document Type and Number:
Japanese Patent JP2020023305
Kind Code:
A
Abstract:
To provide an air bleed system not reducing the efficiency of an engine.SOLUTION: A pressurized air system 200 includes a compressor 204 having an inlet 240 and an outlet 242. The inlet receives air from a first air source 243, and the outlet supplies pressurized air to an environmental control system (ECS) 202. The pressurized air system includes: a turbine inlet 268 to receive air from a second air source 267; a first overrunning clutch 261 coupled between an output shaft 260 of an accessory gearbox 252 and the compressor; the accessory gearbox 252 coupled to a drive shaft 206 extending from an engine 108; and a second overrunning clutch 265 coupled between the compressor and a turbine 208. The first and second overrunning clutches enable the accessory gearbox to drive the compressor during a first mode of operation, and enable the turbine to drive the compressor during a second mode of operation.SELECTED DRAWING: Figure 2
Inventors:
STEVE G MACKIN
Application Number:
JP2019112415A
Publication Date:
February 13, 2020
Filing Date:
June 18, 2019
Export Citation:
Assignee:
BOEING CO
International Classes:
B64D33/00
Domestic Patent References:
| JPS5758598A | 1982-04-08 | |||
| JPH09156598A | 1997-06-17 | |||
| JP2011117437A | 2011-06-16 |
Foreign References:
| US20180080383A1 | 2018-03-22 | |||
| US20150275769A1 | 2015-10-01 | |||
| US9605591B2 | 2017-03-28 |
Attorney, Agent or Firm:
Sonoda/Kobayashi Patent Business Corporation