Class 416/214A - Turbo machine

Subclass of Class 416 - Fluid reaction surfaces (i.e., impellers)
No. of patents: 38
Last issue date: 04/24/2012

Number	Title	Issue Date
8162615	Split disk assembly for a gas turbine engine A split disk assembly for a gas turbine engine includes a forward disk section and an aft disk section, the aft disk section engageable with the forward disk section to retain a multitude of rotor blades therebetween. ...	04/24/2012
7972113	Integral turbine blade and platform A turbine blade for a gas turbine engine, in which the turbine blade includes an airfoil portion with a root having a dovetail shape, and two platform halves that include a dovetail shaped opening within the platform halves to secure the blade root within the platfo...	07/05/2011
7011496	Ring unit for decreasing eddy flow area of a fan module A fan device for decreasing eddy flow area includes a fan module and a ring unit. The fan module has a fan rotor and a motor stator set and the fan rotor is movably connected to the motor stator set. The motor stator set has a guide flow device, which provides a plu...	03/14/2006
6695584	Turbo fan A turbo fan comprises: a hub coupled to a rotational shaft of a driving device; a plurality of blades installed on an outer circumference of the hub in a radial direction; and a shroud connected to the plurality of blades on opposite side of the hub cente...	02/24/2004
6655919	Method for assembling a pelton turbine wheel The invention concerns a method which consists in: pre-positioning, in a housing (7) of a flange (5), a bucket (2) supported by part (23) of its outer surface (23) against an edge (71) of the housing (7) providing a space (E') between the convex surface (...	12/02/2003
6318964	Complex cooling fan with increased cooling capacity A complex cooling fan includes an upper fan including an upper fan and a lower fan, the upper fan including a first cylindrical body, a plurality of first blades extending outwardly from the cylindrical shell body, and a cylindrical collar extending downw...	11/20/2001
5961287	Twin-web rotor disk A rotor disk for a gas turbine engine having an axis of rotation and an axial centerline is provided which includes a rim, forward and aft hubs, and forward and aft webs. The forward web extends between the rim and the forward hub, and the aft web extends...	10/05/1999
5725353	Turbine engine rotor disk A turbine engine rotor assembly disk is provided which includes a forward web, an aft web, a plurality of first stub shafts, and a plurality of second stub shafts. The first and second stub shafts have axial ends and web ends. The stub shafts are attached...	03/10/1998
5486095	Split disk blade support A blade support includes first and second abutting disks, with the first disk having a plurality of axial dovetail slots at one end thereof, and a circumferential dovetail first half-slot at an opposite end thereof, with the second disk having a circumfer...	01/23/1996
5464325	Turbo-compressor impeller for coolant A refrigerant or coolant compressor of the radial type with an impeller hng a plurality of vane elements can be used for compressing water vapor as a refrigerant or coolant under vacuum conditions. The impeller of the compressor is constructed to produce...	11/07/1995
5409353	Turbomachine rotor with blades secured by pins A turbomachine rotor includes a disk having a plurality of annular ribs projecting from its periphery to define a plurality of annular grooves, and a plurality of blades, preferably made of composite material, evenly distributed around the periphery of th...	04/25/1995
5405244	Ceramic blade attachment system A retainer ring is arranged to mount turbine blades to a turbine disk so that aerodynamic forces produced by a gas turbine engine are transferred from the turbine blades to the turbine disk to cause the turbine blades and turbine disk to rotate, but so th...	04/11/1995
5135354	Gas turbine blade and disk Each of a pair of axially spaced turbine disks (12,14) has a plurality of blade retention fingers (20) at the periphery. Each blade has a pair of chevrons (64,66), one engaging a contiguous chevron (70) on a corresponding disk finger. The interacting chev...	08/04/1992
5082424	Connection system for aircraft propeller blades The invention relates to a connection system for connecting a ring which carries aircraft propeller blades to a turbine which the ring surrounds. Brackets extend between the ring and the turbine and accommodate thermal expansion of the turbine without sig...	01/21/1992
4844694	Fastening spindle and method of assembly for attaching rotor elements of a gas-turbine engine The present invention relates to a fastening spindle and a method of attaching the rotor elements together utilizing the spindle. The system according to the invention reliably permits the visual inspection of the rotor assembly and to determine if it is ...	07/04/1989
4787820	Turbine plant compressor disc with centripetal accelerator for the induction of turbine cooling air A turbine plant compressor disc is formed from two halves which are welded together near the rim and define an internal cavity in which a centripetal accelerator is mounted for inducing cooling air to flow from the compressor through inclined passages in ...	11/29/1988
4680160	Method of forming a rotor An improved method of forming a rotor includes the steps of hot isostatically pressing powdered metal to form disc-shaped hub sections. Each of the hub sections has a rim portion with a relatively large or coarse grain size to optimize high temperature cr...	07/14/1987
4650399	Rotor blade for a rotary machine A rotor blade 14 having a spar 138 and shell 134 is disclosed. Various construction details are developed for efficiently transferring rotational loads on the rotor blade to the root section 28 of the spar. The spar has a projection 139 over which extends...	03/17/1987
4419052	Turbine meter rotor An improved rotor for fluid flow meters having a rotor hub with a vane hub mounted thereon including spaced inner and outer cylindrical walls. These inner and outer cylindrical walls are provided with grooves and slot respectively that are radially aligne...	12/06/1983
4397609	Bandage for radially stressing the segments of a compressor rotor for a turbine A compressor rotor for a turbine comprises individual segments radially stressed by a bandage of fibre-reinforced material which is under prestress when the rotor is stationary. The bandage cross-section has regions of different stiffness and different te...	08/09/1983
4362449	Fastener assemblies Fastener assemblies for mounting a workpiece such as a hub centered wheel rim include a threaded fastener and a clamp washer. The fastener includes a body having a thread structure and a structure engageable by a tool for tightening of a threaded joint to...	12/07/1982
4361416	Rotor for axial-flow turbomachines A rotor for axial-flow turbomachines with a locking pin connection for the blade roots. The blade roots are suspended in fiber-reinforced retaining rings and evidence cylindrical circumferential surfaces at their lower side. These cylindrical surfaces con...	11/30/1982
4221540	Bladed rotor for a centripetal turbine A centripetal turbine rotor has ceramic blades with integral blade roots of arcuate axial section which are clamped axially between two supporting elements mounted on a common shaft so that the ceramic blade roots are maintained in compressive stress alon...	09/09/1980
4173429	Centrifugal fan, shaft, plate and hub assembly A hub assembly for a centrifugal fan subjected to large transient thermal stresses is provided in which a pair of opposed hubs sandwich the inner peripheral margin of a disc-shaped fan plate, with the inner peripheral margin of the plate including a thick...	11/06/1979
4125344	Radial turbine wheel for a gas turbine A radial turbine wheel for a gas turbine which consists of two parts and more particularly of a first part adjoining the turbine inlet which includes the outer sections of the blades and of a second part leading to the turbine outlet which includes the in...	11/14/1978
4123199	Rotor-shaft assembly A rotor-shaft assembly comprising a ceramic turbine rotor, a metal shaft and a metal connector disposed between the rotor and the shaft. The metal connector is fixed to the rotor by some suitable means and coupled with the metal shaft by mutual engagement...	10/31/1978
4118847	Method of assembling a turbo-machine, apparatus for use in the method, and turbo machine constructed according to said method A method for assembling a turbo-machine of the type comprising a stator housing supporting guide vanes and a rotor having blade discs. According to the method, the stator housing is placed with its axis vertically oriented on a base member which supports ...	10/10/1978
4097194	Redundant disc A rotatable disc comprising a plurality of generally parallel plates tightly joined together for rotation about a hub. Each plate is provided with a plurality of angularly spaced lands projecting from a face thereof, the lands of each plate interposed in ...	06/27/1978
4011737	Device for fastening a wheel disc on a shaft A device for the torque-transmissive securing of a disc which is formed of a brittle material, in particular a turbine wheel constituted of a ceramic material, onto a shaft. The disc is centered through the intermediary of two cone pairs with axial prestr...	03/15/1977
4008000	Axial-flow rotor wheel for high-speed turbomachines A rotor wheel including a hub in the form of a thin-walled shell. Rotor blades are arranged in an annular pattern around the axis of the hub, each blade having at least one blade root formed with a hole. A pin extends through the hole in each blade root, ...	02/15/1977
3999376	One-piece ceramic support housing for a gas turbine with a rotary regenerator A thin outer metallic housing surrounds and is spaced from a one-piece cylindrical ceramic liner that insulates, supports and houses high temperature and rotating parts of the engine, the end faces of the liner constitute rubbing seal surfaces against whi...	12/28/1976
3982852	Bore vane assembly for use with turbine discs having bore entry cooling A bore vane assembly is adapted to be received within the annular passage formed between two axially displaced turbine disc halves so as to provide axial columnar support therebetween during high centrifugal loading. The bore vane assembly includes a plur...	09/28/1976
3973876	Runner hub construction for propeller type turbine A runner hub for a propeller type hydraulic turbine wherein the hub is constructed of at least a pair of arcuate segments. When the arcuate segments are assembled together, they form a hollow hub. Turnbuckles are provided within the hub attached to opposi...	08/10/1976
3963373	Contoured sheet metal airfoil fans A fan blade and root assembly is disclosed for use in a hot gas engine requiring low weight and high efficiency. The root construction facilitates simple sheet metal stamping fabrication throughout the blade, root, and hub while permitting an air foil sha...	06/15/1976
3943703	Cooling passages through resilient clamping members in a gas turbine power plant The parts of a gas turbine plant exposed to the highest temperature are made of ceramic material and are mounted by resilient clamping members permitting freedom for thermal movements. These clamping members are located in passages between spaces containi...	03/16/1976
3937593	Rotor assemblies In a rotor assembly, first and second annular discs are axially spaced apart on a rotatable shaft so as to be rotatable with the shaft. A plurality of rotor blades are located between the discs and are angularly spaced around the axis of the shaft, and me...	02/10/1976
3932061	Fluid unit rotor Hydrodynamic unit rotor in which a central flange portion of an outer sheet metal shell is interleaved with metal connector plates. The connector plates and flange portion are secured to each other and to a small steel hub by annular electron beam welds....	01/13/1976
3930332	Airfoil rotor for a toy helicopter A toy helicopter rotor comprises a hub with rotor blades radiating therefrom. The hub comprises upper and lower hub parts having formations which releasably lock the parts together upon relative turning therebetween. Each blade has a root which is receive...	01/06/1976

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Class 416/214A - Turbo machine