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| Number | Title | Issue Date |
| 4074559 | Forging method A method of making a disc having integral blades wherein (1) a billet is preformed with the disc being formed close to final shape except that material needed to complete the outer portion including the blades is placed adjacent the outer edge of the pref... | 02/21/1978 |
| 4063939 | Composite turbine wheel and process for making same A process for making a composite integral turbine wheel and the like, consisting of a plurality of blade elements of an airfoil shape connected at their inner ends to the periphery of a sintered rotor or hub and metallurgically bonded thereto. In accordan... | 12/20/1977 |
| 4063850 | Gas turbine engine having a ceramic turbine wheel A gas turbine having a rotor including a ceramic turbine wheel and a rotor shaft formed in part of ceramic material, the wheel and ceramic shaft portion being formed as one piece. The ceramic shaft portion extends into a cooler zone of the engine where it... | 12/20/1977 |
| 4062638 | Turbine wheel with shear configured stress discontinuity An integrally cast turbine blade and wheel assembly has a plurality of circumferentially spaced radially outwardly directed blades on a peripheral rim that is connected by a wheel web to a central hub having a bore therethrough. The assembly includes a pl... | 12/13/1977 |
| 4056748 | Magnetic speed pickup A magnetic pickup for sensing the speed of a rotor disc having a nosepiece affixed to the disc containing one or more magnets. The magnets are contained within blind openings passing inwardly from the back of the nosepiece and arranged to position the mag... | 11/01/1977 |
| 4053261 | Impeller for a high-speed turbomachine An impeller for a high-speed turbomachine, in which the impeller includes a hub which is frictionally fastened on a shaft of the machine by a tapered fit. A resilient, axially extending connecting portion of the hub is interposed between the impeller and ... | 10/11/1977 |
| 4052913 | Polar weave flywheel assembly A polar weave (i.e., three-dimensional, reinforced, composite material) flywheel, assembly comprises an outer polar weave portion and an integral metal hub. The hub includes a plurality of recessions and projections to provide an interface between the out... | 10/11/1977 |
| 4051585 | Method of forming a turbine rotor A rotor for a gas turbine engine has a wrought superalloy disk with ceramic blades. The rotor is formed by placing ceramic blades in a fixture with their ceramic blade roots extending inwardly and between the upper and lower rims of a disk or disk halves.... | 10/04/1977 |
| 4049364 | Removable impeller assembly for printing press centrifugal pump A centrifugal pump assembly, having a removable impeller assembly for use in conjunction with ink reservoirs of printing press apparatuses. There is provided a centrifugal pump assembly comprising motor mounting means for mounting the motor with respect t... | 09/20/1977 |
| 4047837 | Turbine wheel having internally cooled rim and rated breaking points A turbine wheel including blades and rim made in one piece, a notch in the peripheral surface of the rim between each two successive blades, and a through-hole in the rim radially inwardly of and parallel to each notch. The through-holes permit cooling ai... | 09/13/1977 |
| 4039268 | Arrangement for endwise clamping a first gas turbine rotor member to another member of a gas turbine rotor An improved resilient member is provided in a clamping connection between two members of a gas turbine rotor, said resilient member taking the form of a rim or outer ring provided with an annular row of inwardly protruding fingers. The resiliency is due p... | 08/02/1977 |
| 4032258 | Bladed rotor for fluid flow machines The disclosure of this invention pertains to a bladed rotor for gas turbine engines wherein each blade has a root portion connected to a blade support element spaced radially outwardly from the rim of a single disc and being of greater axial extent than t... | 06/28/1977 |
| 4029437 | Turbine shaft having inserted disks The invention concerns a turbine shaft having stepped bearings on which ds are shrunk on. It is characterized in that the connecting surface between two successive bearings consists of two conical portions separated by a cylindrical portion and toroidal ... | 06/14/1977 |
| 4028962 | Design and construction of flywheels from anisotropic materials This invention relates to the design and construction of the body of a flywheel from high strength anisotropic materials so as to provide maximum energy storage. The design is adaptable to fiber composite materials and allows the fibers to be oriented eit... | 06/14/1977 |
| 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 |
| 3995968 | Turbine rotor disc having ultrasonic inspection surface thereon A rotor disc for a rotor shaft member of an axial flow turbine apparatus is disclosed. The disc has disposed externally thereon a flat surface which lies parallel to a predetermined longitudinal plane extending within the disc. The plane is disposed withi... | 12/07/1976 |
| 3994619 | Sealing-compartment arrangement in main coolant pumps This invention relates to an improvement in a mounting for the sealing housing in a main coolant pump having a vertical pump shaft, an impeller at the lower end of the pump housing, and the pump housing being closed at the upper end thereof by a pump cove... | 11/30/1976 |
| 3994630 | Monorotor turbine and method of cooling A gas turbine combining both monorotor and monostator elements is disclosed. The monostator element is disposed about the inside of the turbine housing and circumferentially about the outside of the monorotor element which is journaled for rotation in the... | 11/30/1976 |
| 3982850 | Matching differential thermal expansions of components in heat engines Thermal matching of compounds in a gas turbine engine is achieved by providing the component with the highest rate of thermal expansion with an insulating sheet which is dimpled to contact the surface of the component at discrete spots leaving air spaces ... | 09/28/1976 |
| 3981623 | Turbomachine rotor stage A compressor or turbine rotor stage includes a wheel with a circumferential slot for retention of the roots of blades mounted on the wheel. Each side of the rim of the wheel is approximately symmetrical about a line parallel to the axis of rotation of the... | 09/21/1976 |
| 3973875 | Turbine discs and blades for gas turbine engines A rotor for a gas turbine engine comprises an outer shell formed in hot pressed silicon nitride and having substantially uniform thickness in a direction parallel to the axis about which the rotor is rotatable and a heat resistant insert which can be eith... | 08/10/1976 |
| 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 |
| 3970412 | Closed channel disk for a gas turbine engine A disk having a closed channel construction and which is especially suited for supporting the rotating blades of a gas turbine engine is disclosed. In one embodiment, the disk supports the fan blades of a turbofan engine which extend radially therefrom. T... | 07/20/1976 |
| 3966523 | Method of making filament reinforced composite rings from plural flat filamentary spiral layers Methods for forming a composite ring having unidirectional filaments embedded in a polymer matrix is disclosed. The filaments are spirally wound within the ring to form a plurality of essentially circular hoops which are in coaxial alignment with the expe... | 06/29/1976 |
| 3961864 | Radial flow fan A radial flow fan of short axial length and large radial dimensions and of the type having the drive motor arranged coaxially with respect to the fan wheel and at least partly inside of the fan wheel. The housing for the fan wheel and motor includes a fla... | 06/08/1976 |
| 3961867 | Rotatable assembly with rotor abraded by seal ring A rotatable assembly is provided which is adapted to be used in centrifugal compressors, expanders, or the like. The assembly includes a rotor rotatably mounted within a housing. The rotor is provided with an axially extending sleeve portion having an ext... | 06/08/1976 |
| 3952712 | Composite flywheel assembly A composite flywheel assembly for an air-cooled internal combustion engine including a cast iron flywheel which provides the inertial drive for the engine and a separate blower member having a circumferential array of vanes for propelling a flow of coolin... | 04/27/1976 |
| 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 |
| 3942839 | Spoked wheel and method of making same A spoked wheel and method of making same including a peripheral rim, a central hub and a plurality of spokes interconnecting the hub and rim in which the hub is provided with spaced flanges interconnected by a tubular spindle and the spokes are in the for... | 03/09/1976 |
| 3941506 | Rotor assembly An impeller and shaft assembly suitable for use in an overhung compressor for facilitating mounting and rearranging impellers upon a shaft. A stud is threaded into the end of the shaft and the impeller slidably mounted thereon. An elongated key is inserte... | 03/02/1976 |
| 3940268 | Method for producing rotor discs The production of rotor discs by bonding a plurality of fully dense, preformed blades to a hub of compacted alloy powder. The blades are embedded in the uncompacted powder and by the use of hot isostatic compacting the powder is compacted to full density ... | 02/24/1976 |
| 3936926 | Method of coupling compressor impellers and shafts The method involves forming an impeller with a slightly out-of-round hole in the center, and an impeller shaft with a complementary out-of-round peripheral surface, slidably engaging the impeller and shaft together, and then rotationally torquing either t... | 02/10/1976 |
| 3937103 | Flywheel arrangement for an electrical machine A flywheel arrangement for an electrical machine having a shaft includes a flywheel and a flange-like structure on the shaft for defining a seating surface to accommodate the flywheel. Passages are formed in the structure for directing oil under pressure ... | 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 |
