WINDMILLING LOCKING METHOD AND SYSTEMS FOR GAS TURBINE ENGINESAn anti-windmilling control method for a gas turbine engine (20...600) including an engine shaft (404;610) with a rotating component and an accessory gearbox (234,236) each operably coupled to the eng…DRIVE·Jun 3·1 min readFollowF01D21/00PRATT & WHITNEY CANADA [CA]
OIL SYSTEM FOR AIRCRAFT ENGINE HAVING FEATURES TO PREVENT DRAINAGE OF COMPONENTAn aircraft engine (10) having a centerline (11) has: an oil system (28; 100) including: a component (101) located above the centerline (11) and having an inlet (101A) and an outlet (101B); an oil cir…DRIVE·May 27·2 min readFollowF01D21/00PRATT & WHITNEY CANADA [CA]
IMPROVED TURBOMACHINERY HEAT TRANSFER SYSTEMA heat management system (17) for turbomachinery (10) is provided. The heat management system (17) includes a thermal delivery system (18) configured to providing heating, cooling, or a combination th…DRIVE·Jan 3·1 min readFollowF01D21/00GENERAL ELECTRIC TECHNOLOGY GMBH [CH]
SYSTEMS AND METHODS FOR PURGING A FUEL MANIFOLD OF A GAS TURBINE ENGINEFuel systems of gas turbine engines (14) of aircraft, and associated methods (500, 700) can permit reverse purging of one or more fuel manifolds of a gas turbine engine (14) to prevent coking in some …DRIVE·Dec 6·2 min readFollowF01D21/00PRATT & WHITNEY CANADA [CA]
SYSTEM FOR SUPPLYING LUBRICANT TO A COMPONENTA system (200, 300, 360, 370, 400, 500) for supplying lubricant to a component (202) of a gas turbine engine (10) having a fan shaft (26) is provided. The system (200, 300, 360, 370, 400, 500) include…DRIVE·Jul 20·2 min readFollowF01D21/00ROLLS ROYCE PLC [GB]
System and method for conditioning noisy signalsThere is provided a system and method for conditioning a noisy signal. A sensing signal is received during each one of a plurality of successive control cycles, the sensing signal comprising a measure…DRIVE·Dec 31·1 min readFollowF01D21/00PRATT & WHITNEY CANADA [CA]
Gas turbine engine fuel system with ecology valveA 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 prima…DRIVE·Sep 17·1 min readFollowF01D21/00PRATT & WHITNEY CANADA [CA]
Emergency power supply system comprising a hydrogen fueled fuel cellThe present invention relates to an emergency power supply system (1) for a gas turbine power generation system comprising a hydrogen-cooled generator (3) having hydrogen as coolant, the emergency pow…DRIVE·Jul 30·1 min readFollowF01D21/00ALSTOM TECHNOLOGY LTD [CH]
Method for Shutting Down a Generator to Prepare the Generator for RestartA method and apparatus for shutting down a generator (100) to prepare the generator for restart is disclosed. A power down sequence of a gas turbine (102) of the generator is initiated from an operati…DRIVE·Dec 11·1 min readFollowF01D21/00GEN ELECTRIC [US]
Method and system for analysis of turbomachineryA method and a system for analyzing turbomachinery (56) are provided. In one embodiment, a system for analyzing turbomachinery is provided. The system includes an intelligent turbomachinery filter (IT…DRIVE·Feb 20·1 min readFollowF01D21/00GEN ELECTRIC [US]
Turbomachine airfoil life management system and methodA system (50) for creating a risk analysis for at least one turbomachine includes a database (401) storing characteristics of one or more turbomachines and a processing module (402) coupled to the dat…DRIVE·Dec 28·1 min readFollowF01D21/00GEN ELECTRIC [US]
System and method for detecting failure in gas turbineCertain embodiments of the invention may include systems, methods, and apparatus for detecting failure in gas turbine hardware. According to an example embodiment of the invention, a method 400 for de…DRIVE·Oct 19·1 min readFollowF01D21/00GEN ELECTRIC [US]
Composite sandwich with improved ballistic toughnessA composite structure (10) having improved ballistic toughness and suitable for use in a fan containment case is provided. The composite structure (10) includes a plurality of core layers (12), a plur…DRIVE·Jun 14·1 min readFollowF01D21/00UNITED TECHNOLOGIES CORP [US]
Method of determining a characteristic value reflecting the state of fatigue of a componentThe method involves including a partial final load application cycle. Temporary load values for the phases of the partially completed load application cycle are included with a given fixed value, wher…DRIVE·May 3·1 min readFollowF01D21/00SIEMENS AG [DE]
Thrust control malfunction accommodation system and methodA system for detecting and correcting a thrust control malfunction in an aircraft engine. The system includes an electronic engine control (EEC) (18) unit that includes a first processing subsystem (A…DRIVE·Oct 8·1 min readFollowF01D21/00BOEING CO [US]