| Patents for F01D 11 - Preventing or minimising internal leakage of working fluid, e.g. between stages (10,581) |
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| 02/18/1992 | US5088888 Shroud seal |
| 02/18/1992 | US5088885 Method for protecting gas turbine engine seals |
| 02/18/1992 | US5088742 Hydraulic seal and method of assembly |
| 02/12/1992 | CN1015484B Flow dams in labyrinth seals of turbine to improve rotor stability |
| 02/05/1992 | EP0469826A2 Seal assembly for segmented turbine engine structures |
| 02/05/1992 | CN1058449A Thermal linear actuator for rotor air flow control in gas turbine |
| 01/31/1992 | CA2042197A1 Seal assembly for segmented turbine engine structures |
| 01/29/1992 | EP0468782A2 Gas turbine rotor and operation thereof |
| 01/22/1992 | EP0467821A1 Method for applying abrasive layers to blade surfaces |
| 01/21/1992 | US5081830 Method of restoring exhaust gas temperature margin in a gas turbine engine |
| 01/14/1992 | US5080934 Process for making abradable hybrid ceramic wall structures |
| 01/14/1992 | US5080557 Turbine blade shroud assembly |
| 01/14/1992 | US5080556 Thermal seal for a gas turbine spacer disc |
| 01/02/1992 | EP0463955A1 Fixing a crown to a turbine wheel |
| 01/02/1992 | EP0463532A1 Low pressure steam condensor system |
| 01/01/1992 | CN1057506A Pulsating turbo-machine stage having reduced secondary losses |
| 01/01/1992 | CN1057504A Turbo-machine stage having reduced secondary losses |
| 12/31/1991 | US5076591 Gas leakage seal |
| 12/31/1991 | US5076050 Thermal clearance control method for gas turbine engine |
| 12/27/1991 | EP0462735A2 Improvements in shroud assemblies for turbine rotors |
| 12/24/1991 | US5074748 Seal assembly for segmented turbine engine structures |
| 12/17/1991 | US5073084 For a gas turbine engine of the type having an airstream flow |
| 12/12/1991 | WO1991019078A1 Guide-vane ring for a gas-turbine engine |
| 12/10/1991 | US5071313 Rotor blade shroud segment |
| 12/10/1991 | US5071138 Laminated finger seal |
| 12/10/1991 | CA1292951C Gas-turbine with link attachment of a sealing ring in a guide vane ring |
| 12/01/1991 | CA2039821A1 Turbine shroud clearance control assembly |
| 12/01/1991 | CA2039756A1 Stator having selectively applied thermal conductivity coating |
| 11/21/1991 | EP0457241A1 Impulse turbine stage with reduced secondary losses |
| 11/21/1991 | EP0457240A1 Turbomachinery stage with reduced secondary losses |
| 11/12/1991 | US5064727 Jet turbine housing |
| 11/12/1991 | US5064343 Gas turbine engine with turbine tip clearance control device and method of operation |
| 11/05/1991 | US5062767 Segmented composite inner shrouds |
| 10/23/1991 | EP0452333A1 Turbine blade clearance controller |
| 10/15/1991 | US5056988 Blade tip clearance control apparatus using shroud segment position modulation |
| 10/15/1991 | US5056986 Inner cylinder axial positioning system |
| 10/08/1991 | US5054997 Blade tip clearance control apparatus using bellcrank mechanism |
| 10/08/1991 | US5054996 Thermal linear actuator for rotor air flow control in a gas turbine |
| 10/04/1991 | CA2034469A1 Interstage seal arrangement for airfoil stages of turbine engine counterrotating rotors |
| 10/04/1991 | CA2034468A1 Thermally-tuned rotary labyrinth seal with active seal clearance control |
| 09/22/1991 | CA2034457A1 Blade tip clearance control apparatus with shroud segment position adjustment by unison ring movement |
| 09/17/1991 | US5049035 Bladed disc for a turbomachine rotor |
| 09/17/1991 | US5049033 Blade tip clearance control apparatus using cam-actuated shroud segment positioning mechanism |
| 09/17/1991 | US5049032 Particulate seal for elastic fluid turbines |
| 09/17/1991 | US5048288 Combined turbine stator cooling and turbine tip clearance control |
| 09/17/1991 | US5048183 Method of making and repairing turbine blades |
| 09/03/1991 | US5045711 Turboexpander-generator |
| 09/03/1991 | US5044881 Turbomachine clearance control |
| 08/27/1991 | US5042823 Laminated finger seal |
| 08/21/1991 | CA2027389A1 Blade tip clearance control apparatus using cam-actuated shroud segment positioning mechanism |
| 08/20/1991 | US5040945 Plastic hydraulic turbine |
| 08/20/1991 | CA1287742C Abrasive material, especially for turbine blade tips |
| 08/14/1991 | EP0441424A1 Turbomachine rotor |
| 08/13/1991 | US5039115 Seal for a rotating shaft |
| 08/13/1991 | US5038733 Load adjustment device |
| 08/13/1991 | CA2034405A1 Blade tip clearance control apparatus using shroud segment position modulation |
| 08/07/1991 | CN1053659A Improved labyrinth seal for steam turbines |
| 08/07/1991 | CN1053658A Self-locking nozzle blocks for steam turbines |
| 08/06/1991 | US5037273 Compressor impeller |
| 08/06/1991 | US5037269 Self-locking nozzle blocks for steam turbines |
| 08/06/1991 | US5037114 Labyrinth seal for steam turbines |
| 07/30/1991 | US5035573 Gas turbine engine |
| 07/27/1991 | CA2034980A1 Labyrinth seal for steam turbines |
| 07/24/1991 | EP0437977A1 Turbine rim configuration |
| 07/17/1991 | CA2031086A1 Rotor blade shroud segment |
| 07/17/1991 | CA2031085A1 Arrangement for sealing gaps between adjacent circumferential segments of turbine nozzles and shrouds |
| 07/16/1991 | US5031922 Bidirectional finger seal |
| 07/16/1991 | US5031921 Gland pressure seal plate |
| 07/09/1991 | US5030063 Turbomachine rotor |
| 07/09/1991 | US5029875 Fluid seal structure |
| 07/09/1991 | CA2024721A1 Self-cooling joint connection for abutting segments in a gas turbine engine |
| 07/02/1991 | US5027604 Hot gas overheat protection device for gas turbine engines |
| 06/25/1991 | US5026075 Radial seal |
| 06/19/1991 | EP0432885A1 Mounting of adjustable stator vanes in an axial compressor stage |
| 06/18/1991 | US5024884 Abradable seal having particulate erosion resistance |
| 06/18/1991 | US5024579 Fully floating inlet flow guide for double-flow low pressure steam turbines |
| 06/18/1991 | CA1284954C Interblade seal for turbomachine rotor |
| 06/11/1991 | US5022817 Thermostatic control of turbine cooling air |
| 06/11/1991 | US5022816 Gas turbine blade shroud support |
| 06/05/1991 | CN1051961A Inner cylinder axial positioning system |
| 05/29/1991 | DE3938771A1 Fluid seal for shaft - has U=shaped housing with middle blocking air guide |
| 05/28/1991 | US5018942 Mechanical blade tip clearance control apparatus for a gas turbine engine |
| 05/23/1991 | CA2030463A1 Inner cylinder axial positioning system |
| 05/23/1991 | CA2025342A1 Blade tip clearance control apparatus using bellcrank mechanism |
| 05/21/1991 | US5017796 Moving blade tip clearance measurement apparatus and method with moveable lens |
| 05/21/1991 | US5017402 For gas turbine engines |
| 05/21/1991 | US5017088 Gas turbine engine compressor casing with internal diameter control |
| 05/14/1991 | US5014999 Pressure enhanced self aligning seal |
| 05/08/1991 | DE3936429A1 Sealing gap in pump or compressor - involves use of fibre materials to form flocculation zones |
| 05/02/1991 | CA2029037A1 Gland pressure seal plate |
| 04/30/1991 | US5012420 Active clearance control for gas turbine engine |
| 04/30/1991 | CA1283550C Non-contacting flowpath seal |
| 04/24/1991 | EP0424253A1 Turbomachine compressor casing with device for controlling its internal diameter |
| 04/17/1991 | EP0423025A1 Adjustment of eccentric radial clearances in turbomachines |
| 04/10/1991 | EP0421596A2 Labyrinth seal support |
| 04/09/1991 | US5005352 Clearance control method for gas turbine engine |
| 04/02/1991 | US5004402 Axial compressor stator construction |
| 04/02/1991 | US5003782 Gas expander based power plant system |
| 03/26/1991 | US5002288 Positive variable clearance labyrinth seal |
| 03/21/1991 | DE4028330A1 Mechanical blade tip clearance control - has shroud hanger disposed between casing and opening in casing |