About 317 results
Showing the first 200 results.
https://drivepatents.com/patents/988864 · 10 Jul 2013
A combustor in a gas turbine engine has a wall 18 which forms a gap 20 with an outer nozzle guide vane platform 14. A closure mechanism 30, 32 is operable to open or close the gap 20. Opening of the gap 20, for example during cruise conditions, reduces the...
https://drivepatents.com/patents/984788 · 26 Jun 2013
Intakes of gas turbine engines are subject to cross winds and high incidence cross flows which can affect the stability of air to the propulsive fan. A gas turbine engine having a rotational axis, an intake and a compressed gas source; the intake includes ...
https://drivepatents.com/patents/989519 · 19 Jun 2013
A gas turbine engine (10) with a system (i) for cooling the turbine section and (ii) for providing tip clearance control between turbine blades and the shroud surrounding the turbine blades. The system includes a turbine section cooling sub-system which di...
https://drivepatents.com/patents/989544 · 19 Jun 2013
A propulsion engine for an aircraft, the propulsion engine comprising: one or more fans (1, 2) rotatably linked to one or more respective shafts (11); a driving means arranged to drive the one or more fans; and a first hydraulic pump-motor (10) connected t...
https://drivepatents.com/patents/989550 · 19 Jun 2013
The present invention relates to a leaf seal assembly 11 for providing a fluidic seal between a first member 30 and a second member 20. The leaf seal assembly comprises first and second cover plates 3, 5 defining a channel 7 therebetween, the first cover p...
https://drivepatents.com/patents/989534 · 19 Jun 2013
A gas turbine engine has, in flow series, a compressor section, a combustor, and a turbine section. The engine further has a cooling system which diverts a cooling air flow received from the compressor section to a heat exchanger and then to the turbine se...
https://drivepatents.com/patents/984872 · 5 Jun 2013
A method of determining the actual position of a control surface (27). The method comprises receiving a signal (34) representative of a required position of the control surface (27), repositioning the control surface (27) in response to the signal (34) by ...
https://drivepatents.com/patents/990469 · 22 May 2013
A rotor assembly for a gas turbine engine, the rotor assembly has a disc supporting a plurality of radially extending blades. The blades define passages therebetween and each passage has an annulus filler assembly. The annulus filler assembly includes at l...
https://drivepatents.com/patents/990726 · 15 May 2013
A leaf seal is provided for effecting a seal between two coaxial, relatively rotating components. The leaf seal has an annular pack of leaves (42,42',42'') which are stacked face-to-face within the pack, and which are mountable to one of the components at ...
https://drivepatents.com/patents/990718 · 15 May 2013
A leaf seal is provided for effecting a seal between two coaxial, relatively rotating components. The leaf seal has a pair of annular packs (70) of stacked leaves (72,74). Each pack is mountable to one of the components with its leaves extending towards th...