Patents
Patents for F01D 11 - Preventing or minimising internal leakage of working fluid, e.g. between stages (10,581)
03/1991
03/21/1991DE4028328A1 Blade tip clearance control device for gas turbine engine - has biassing wave spring preloaded against shroud segment to move it towards rotor
03/20/1991EP0417958A2 Improvements in or relating to shroud rings
03/19/1991US4999991 Synthesized feedback for gas turbine clearance control
03/13/1991EP0416954A1 Abradable material for a turbo machine
03/12/1991US4998739 Arrangement for the sealing-off of spaces acted upon by media of different pressures for turbomachinery and the like
03/09/1991CA2021104A1 Radial adjustment mechanism for blade tip clearance control apparatus
03/09/1991CA2021102A1 Blade tip clearance control apparatus for a gas turbine engine
03/09/1991CA2021085A1 Mechanical blade tip clearance control apparatus for a gas turbine engine
02/1991
02/26/1991US4995620 Self-compensating seal for a rotating shaft
02/20/1991EP0413082A1 Load control apparatus
02/12/1991US4992946 Data link for gas turbine engine control
02/10/1991CA2022918A1 Floating dual direction seal assembly
02/05/1991US4990056 Stator vane stage in axial flow compressor
02/05/1991US4989886 Braided filamentary sealing element
02/05/1991CA1279827C Apparatus and method for reducing windage and leakage in steam turbine incorporating axial entry blade
01/1991
01/29/1991US4988266 Gas turbine and shroud for gas turbine
01/24/1991DE3925404A1 Dry gas seal for machine shaft - has aerodynamic lubrication with safeguard against running dry
01/22/1991US4986305 Fluidic multiplexer
01/16/1991EP0408010A1 Turbomachine with seal fluid recovery channel
01/15/1991CA1279017C Turbine blade platform sealing and vibration damping apparatus
01/10/1991CA2013926A1 Leaf seals
01/09/1991EP0406646A2 Fluid seal structure
01/08/1991US4982889 Floating dual direction seal assembly
12/1990
12/25/1990US4979755 Flow dams in labyrinth seals to improve rotor stability
12/18/1990US4978278 Turbomachine with seal fluid recovery channel
11/1990
11/27/1990US4972986 Circumferential inter-seal for sealing between relatively rotatable concentric shafts
11/21/1990CN1010493B Arrangement for reducing windage and leakage in steam turbine incorporating axial entry blade
11/20/1990US4971517 Turbine blade clearance controller
11/20/1990US4971306 Seals for cylindrical surfaces
11/14/1990EP0396714A1 Seals for gas isolators
11/13/1990US4969652 Cooled shaft seal
11/06/1990US4967552 Method and apparatus for controlling temperatures of turbine casing and turbine rotor
10/1990
10/10/1990EP0391535A1 Cooled shaft seal
10/10/1990EP0391525A1 An axial flow compressor
09/1990
09/12/1990EP0387122A1 Shaft seal for a turbo machine
09/12/1990EP0386193A1 Sealing device for the gap between the shaft and the housing of a turbo-machine having at least one impeller.
09/05/1990EP0297120A4 Interblade seal for turbomachine rotor
08/1990
08/28/1990CA1273298A1 Abradable strain-tolerant ceramic coated turbine shroud and method
08/22/1990EP0383046A1 Cooled turbine vane
08/22/1990EP0382993A1 Run-in coating for abradable seals in gas turbines
08/21/1990US4950084 Capacitive sensor
08/16/1990EP0382333A1 Mounting arrangement of segmental members in rotary machines
08/16/1990EP0381895A1 A blade tip clearance control arrangement for a gas turbine engine
08/15/1990CA2010061A1 Cooled turbine vane
07/1990
07/26/1990DE3901167A1 Gap minimisation
07/25/1990EP0378943A1 Compressor housing with an adaptable inner diameter for a turbo machine
07/12/1990WO1990007692A1 Turbine blade clearance controller
07/12/1990WO1990007641A1 Segmented seal plate for a turbine engine
07/11/1990CN1043773A Gas turbine abradable seal preliminary coating
07/10/1990US4940389 Assembly of rotor blades in a rotor disc for a compressor or a turbine
07/09/1990CA2007436A1 Mounting arrangement in a rotary machine
07/04/1990EP0376071A2 Braided filamentary sealing element
07/04/1990CN1043540A Turbine rotor retention system
06/1990
06/26/1990US4936749 Blade-to-blade vibration damper
06/26/1990US4936745 For gas turbine engines
06/20/1990EP0374079A1 Turbine blade retention and damping device
06/14/1990WO1990006460A1 Seals for gas isolators
06/12/1990US4932207 Segmented seal plate for a turbine engine
06/05/1990US4930980 Cooled turbine vane
05/1990
05/31/1990DE3839843A1 Einrichtung zur abdichtung durch medien wie fluessigkeiten und/oder gasen unterschiedlichen druckes beaufschlagten raeumen zwischen koaxialen wellenabschnitten von turbomaschinen, insbesondere gasturbinentriebwerken Means for sealing through media such as liquids and / or gases of different pressure acted evacuate between coaxial shaft sections of turbo machines, in particular gas turbine jet engines
05/30/1990EP0370899A1 Turbine-bladed rotor disc
05/29/1990US4929148 Turbine trip throttle valve control system
05/29/1990US4928483 Air tap and engine mount for a turbojet engine
05/23/1990EP0369926A1 Axial compressor blade assembly
05/22/1990US4928240 Active clearance control
05/22/1990US4927326 Turbomachinery rotor support with damping
05/15/1990US4925365 Turbine stator ring assembly
05/15/1990US4924581 Turbine air seal repair process
05/08/1990CA1268746A1 Axial-flow fan
05/01/1990US4921401 Casting for a rotary machine
04/1990
04/24/1990US4919439 Balanced ring seal
04/17/1990US4916892 In a gas turbine engine
04/10/1990US4914794 Method of making a gas turbine
04/10/1990CA1267630A1 Electroplating tape and method for using
04/04/1990EP0361655A2 Method of forming a turbine blade tip seal
04/04/1990EP0361245A2 Shaft seal for a turbo machine
03/1990
03/22/1990WO1990002896A1 Sealing device for the gap between the shaft and the housing of a turbo-machine having at least one impeller
03/20/1990US4909706 Controlled clearance labyrinth seal
03/15/1990DE3830762A1 Einrichtung zur halterung eines mantelringes in gasturbinen Means for a coat holder ring in gas turbines
03/14/1990EP0357984A1 Gas turbine with film cooling of turbine vane shrouds
02/1990
02/28/1990EP0356305A1 Turbine stator ring held by a turbine casing
02/28/1990EP0355648A2 Sealing device for spaces in turbomachinery exposed to different pressures by media like liquids and/or gases
02/20/1990US4902198 Apparatus for film cooling of turbine van shrouds
02/20/1990CA1265913A1 Ceramic-metal composites
02/14/1990EP0354422A1 Gas turbine with a bearing enclosure on the compressor side
02/07/1990EP0173684B1 Segmented labyrinth-type shaft sealing system for fluid turbines
01/1990
01/30/1990US4897021 Stator vane asssembly for an axial flow rotary machine
01/30/1990US4897020 Nozzle guide vane for a gas turbine engine
01/16/1990US4893984 Controlling the temperature of rotor of turbomachine
01/16/1990US4893983 Controlling the temperature of rotor of turbomachine
01/11/1990DE3822484A1 Radial face seal
01/09/1990CA1264299A1 Abradable turbine rings and turbines thus obtained
01/03/1990EP0349421A1 Device for withdrawing air from the secondary flow of a turbo fan
01/03/1990EP0348676A2 Gas turbine combine using intercooling
12/1989
12/27/1989CN1038333A Turbine blade shroud clearance monitor
12/26/1989US4889469 A nozzle guide vane structure for a gas turbine engine
12/05/1989US4884950 Segmented interstage seal assembly
12/05/1989US4884820 Wear resistant, abrasive laser-engraved ceramic or metallic carbide surfaces for rotary labyrinth seal members
11/1989
11/29/1989EP0343361A1 Turbine vane shroud sealing system
11/28/1989US4883405 Turbine nozzle mounting arrangement