Blades Blade-carrying members Heating, heat-insulating, cooling or anti-vibration means on the blades or the members

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F01Engines F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES

F01D5/00Blades Blade-carrying members Heating, heat-insulating, cooling or anti-vibration means on the blades or the members

F01D5/005Repairing methods or devices F01D5/02Blade-carrying members F01D5/021for flow machines or engines with only one axial stage F01D5/022with concentric rows of axial blades F01D5/023of the screw type F01D5/025Fixing blade carrying members on shafts F01D5/026Shaft to shaft connections F01D5/027Arrangements for balancing F01D5/028the rotor disc being formed of sheet laminae F01D5/03Annular blade-carrying members having blades on the inner periphery of the annulus and extending inwardly radially F01D5/04for radial-flow machines or engines F01D5/041of the Ljungström type F01D5/043of the axial inlet- radial outlet, or vice-versa, type F01D5/045the wheel comprising two adjacent bladed wheel portions F01D5/046Heating, heat insulation or cooling means F01D5/048Form or construction F01D5/06Rotors for more than one axial stage F01D5/063Welded rotors F01D5/066Connecting means for joining rotor-discs or rotor-elements together F01D5/08Heating, heat-insulating or cooling means F01D5/081Cooling fluid being directed on the side of the rotor disc or at the roots of the blades F01D5/082on the side of the rotor disc F01D5/084the fluid circulating at the periphery of a multistage rotor F01D5/085cooling fluid circulating inside the rotor F01D5/087in the radial passages of the rotor disc F01D5/088in a closed cavity F01D5/10Anti- vibration means F01D5/12Blades F01D5/14Form or construction F01D5/141Shape F01D5/142of the blades of successive rotor or stator blade-rows F01D5/143Contour of the outer or inner working fluid flow path wall F01D5/145Means for influencing boundary layers or secondary circulations F01D5/146of blades with tandem configuration, split blades or slotted blades F01D5/147Construction, i.e. structural features F01D5/148Blades with variable camber F01D5/16for counteracting blade vibration F01D5/18Hollow blades F01D5/181Blades having a closed internal cavity containing a cooling medium F01D5/182Transpiration cooling F01D5/183Blade walls being porous F01D5/184Blade walls being made of perforated sheet laminae F01D5/185Liquid cooling F01D5/186Film cooling F01D5/187Convection cooling F01D5/188with an insert in the blade cavity to guide the cooling fluid F01D5/189the insert having a tubular cross-section F01D5/20Specially-shaped blade tips to seal space between tips and stator F01D5/22Blade-to-blade connections F01D5/225by shrouding F01D5/24using wire or the like F01D5/26Antivibration means not restricted to blade form or construction or to blade-to-blade connections or to the use of particular materials F01D5/28Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion F01D5/282Selecting composite materials F01D5/284Selection of ceramic materials F01D5/286Particular treatment of blades F01D5/288Protective coatings for blades F01D5/30Fixing blades to rotors Blade roots; Blade spacers F01D5/3007of axial insertion type F01D5/3015with side plates F01D5/3023of radial insertion type F01D5/303in a circumferential slot F01D5/3038the slot having inwardly directed abutment faces on both sides F01D5/3046the rotor having ribs around the circumference F01D5/3053by means of pins F01D5/3061by welding, brazing F01D5/3069between two discs or rings F01D5/3076Sheet metal discs F01D5/3084the blades being made of ceramics F01D5/3092Protective layers between blade root and rotor disc surfaces F01D5/32Locking F01D5/323Locking of axial insertion type blades by means of a key or the like parallel to the axis of the rotor F01D5/326Locking of axial insertion type blades by other means F01D5/34Rotor-blade aggregates of unitary construction