About 21 results
https://drivepatents.com/patents/994100 · 9 Jan 2013
The present application discloses a method for detecting performance of an APU, comprising: obtaining EGT (Exhaust Gas Temperature), LCIT (Load Compressor Inlet Temperature), STA (Starting Time), TSR and PT, comparing respectively a difference of EGT and L...
https://drivepatents.com/patents/995673 · 28 Nov 2012
An actuator (24) for a ram air turbine system (10) includes a lock bolt (52) having a multiple circumferentially arranged lateral supports (78). A piston rod (42) supports multiple up-lock wedges (48). Multiple rollers (76) are supported by the lateral sup...
https://drivepatents.com/patents/998864 · 29 Aug 2012
An emergency power system (54) is useable on an aircraft having a gas turbine engine (10) with a low pressure spool (20) and a high pressure spool (28). The emergency power system (54) includes an emergency electrical generator (48) coupled to the low pres...
https://drivepatents.com/patents/1001923 · 30 May 2012
A power generating apparatus for use with an aircraft gas turbine engine (10) has a low pressure spool assembly (12) which includes an electrical generator (34). The electrical generator (34) includes a generator stator (48) supported on a stationary struc...
https://drivepatents.com/patents/1008253 · 26 Oct 2011
An assembly (102) for a gas turbine engine (1) comprising an accessory gearbox (100) comprising a drive gear (171) and a starter/generator (101) mechanically mounted to the accessory gearbox (100). The starter/generator (101) comprising a rotatable shaft (...
https://drivepatents.com/patents/1071178 · 4 Jan 2006
An auxiliary power unit (APU) (100) includes a compressor (102), a turbine (106), a combustor (106), and a starter-generator unit (108) all integrated within a single containment housing (110). The turbine (106) has an output shaft (114) on which the compr...
https://drivepatents.com/patents/1081040 · 5 Jan 2005
A method of controlling electrical load power consumption during operation of an aircraft (12) includes determining current operating conditions of the aircraft (12). An engine secondary power extraction limit is determined in response to the current opera...
https://drivepatents.com/patents/1085361 · 28 Jul 2004
An apparatus and method for improving the efficiency and energy output of a power unit are disclosed. The power unit employs a fuel cell configured to chemically convert combustible fuel into electrical energy. A waste fuel burner is configured to receive ...
https://drivepatents.com/patents/1090791 · 2 Jan 2004
An auxiliary power unit (APU) for an aircraft utilizing solid oxide fuel cells for providing electrical power. The solid oxide electrolytes of the fuel cells allow for reformed fuel to provide a catalyst for oxygen migration. The auxiliary power unit, util...
https://drivepatents.com/patents/1094199 · 6 Aug 2003
A dual drive system (5) for a hydraulic pump (30) and an air boost compressor (40) is provided. Reversible power (10) is transmitted to a shaft (12) connected to clockwise (20) and counterclockwise (22) overrunning clutches connected to different vehicle o...