About 318 results
Showing the first 200 results.
https://drivepatents.com/patents/994917 · 19 Dec 2012
A mounting system is provided for mounting a blade (70) to a rotor body. The system has a pitch control mechanism including an anchor (76) and a pitch change rod (75) extending radially outwardly from the anchor to join to a base of the blade. The pitch co...
https://drivepatents.com/patents/994921 · 19 Dec 2012
A bearing chamber apparatus (2) comprising a bearing chamber (4) having one or more seals (7) which seal an interior (5) of the chamber from an exterior (24) of the chamber; and further comprising: a pump in fluid communication with the interior of the cha...
https://drivepatents.com/patents/994918 · 19 Dec 2012
This invention relates to a blade assembly comprising: a hub which is rotatable about an axis; at least one blade having an aerofoil portion and a root, wherein the root is coupled to the hub using a primary retention device which prevents radial separatio...
https://drivepatents.com/patents/994888 · 19 Dec 2012
A gas turbine engine control system comprising a variable stator vane schedule for normal operation of the gas turbine engine. The system is configured to generate an arm signal indicating potential shaft break. Then the system is configured to alter the v...
https://drivepatents.com/patents/995654 · 28 Nov 2012
A bleed assembly of a gas turbine engine comprises a bleed flow discharge device (136) adapted to discharge a bleed fluid flow into a main fluid flow, wherein the bleed flow discharge device comprises an outer wall (135) defining a passage (137) for the bl...
https://drivepatents.com/patents/995636 · 28 Nov 2012
The present disclosure relates to a vortex reducer (100) for a bleed flow (104) in an axial turbomachine comprising a rotor disc (113). The vortex reducer may comprise one or more guide channels (122) arrangeable adjacent to a first side (113a) of the roto...
https://drivepatents.com/patents/995634 · 28 Nov 2012
A hydraulic damping apparatus 2 comprising a conduit 4 for a hydraulic fluid having a port 12 in a wall of the conduit 4; a resonator 6 having a chamber 9 and a neck 10, the neck 10 being arranged to provide fluid communication between the chamber 9 and th...
https://drivepatents.com/patents/995904 · 21 Nov 2012
A propulsion engine 20 for an aircraft comprises a first fan 30 having a set of first blades 32 and a second fan 40 having a set of second blades 42. There is provided a first angular pitch adjustment mechanism 50 coupled to the first set of blades 32, a s...
https://drivepatents.com/patents/996092 · 14 Nov 2012
A gas turbine engine (10) comprising a compressor (20), a combustion chamber (30) and a turbine (40) arranged in flow series, wherein the gas turbine engine further comprises: one or more combustion zones; a source of steam (60) configured to deliver steam...
https://drivepatents.com/patents/996060 · 14 Nov 2012
A controller, for use in a power plant having a liquid cooling system and an air cooling system, comprising one or more inputs, configured to receive a signal from at least one deposit sensor, wherein the signal from the deposit sensor is indicative of dep...