About 149 results
https://drivepatents.com/patents/970018 · 17 Sep 2014
An exhaust mixer (32) for a gas turbine engine has a plurality of circumferentially distributed alternating inner and outer lobes (42,44), and a plurality of aerodynamic struts (50) positioned and oriented between adjacent inner lobes (42) in the core flow...
https://drivepatents.com/patents/970016 · 17 Sep 2014
There is provided a system (100) and method for controlling an engine (10). A request signal indicative of a demand for the engine (10) to output a required power level is first received. A position control signal is then generated in response to the reque...
https://drivepatents.com/patents/970017 · 17 Sep 2014
An internal combustion engine with at least two rotatable bodies each defining at least one combustion chamber of variable volume and, for each rotatable body: a pilot subchamber, a pilot fuel injector (78) having a tip in communication with the pilot subc...
https://drivepatents.com/patents/970012 · 17 Sep 2014
An internal combustion engine (10) comprises rotatable bodies (24) each received in a respective internal cavity (20). The engine includes at least one inlet port (40,42) for each internal cavity in fluid communication with the combustion chamber(s) (32) t...
https://drivepatents.com/patents/970015 · 17 Sep 2014
An internal combustion engine includes a pilot subchamber, a pilot fuel injector (78) having a tip in communication with the pilot subchamber, an ignition element positioned to ignite fuel within the pilot subchamber, and a main fuel injector (42) spaced a...
https://drivepatents.com/patents/970004 · 17 Sep 2014
A compressor (20) for a gas turbine engine having a bleed air recirculation system includes a plurality of bleed holes (36) extending through a shroud (32) at a first axial location thereon substantially adjacent the rotor blade tips (28). The bleed holes ...
https://drivepatents.com/patents/970008 · 17 Sep 2014
A gas turbine engine fuel system (20) has an ecology valve (52) for withdrawing residual fuel from primary and secondary fuel manifolds (22, 24) upon engine shut-down. The ecology valve (52) has primary and secondary reservoirs (66, 72) respectively connec...
https://drivepatents.com/patents/970010 · 17 Sep 2014
A rotor (24) for a gas turbine engine includes a plurality of radially extending blades (28), each having a remote blade tip (30) defining an outer tip surface, and a leading edge (46) defined between opposed pressure and suction side airfoil surfaces (48,...
https://drivepatents.com/patents/970006 · 17 Sep 2014
A system (200) for starting at least one engine from a twin engine installation comprises a first engine arrangement comprising a first electric machine (210) having a single rotor dual stator configuration, a first dual channel power control unit (202) co...
https://drivepatents.com/patents/970336 · 10 Sep 2014
A gas turbine engine compressor (20) includes a rotor (24) defining a central axis of rotation and a plurality of blades (28) which project into an annular compressor gas flow passage (42), and a shroud (32) circumferentially surrounding the rotor (24) and...