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| Number | Title | Issue Date |
| 8133004 | Jet engine with active-magnetic bearing A jet engine includes a shaft rotatably supported in a bearing arrangement, a compressor and a turbine arranged on the shaft, and an electromechanical unit arranged centrally about the shaft axis to provide a motor function for starting the jet engine and/or a gener... | 03/13/2012 |
| 7399158 | Blade arrangement A blade arrangement 31 includes an array of radially extending blades 20, which may for example comprise a fan of a gas turbine engine for an aircraft. The blades 20 are mounted for rotation about a central axis X-X. The blade arrangement 31 | 07/15/2008 |
| 7392713 | Monitoring system for turbomachinery A sensing system for monitoring a property of an electrically conductive moving element of turbomachinery. The sensing system includes a sensing system housing. A magnetic core is contained within the sensing system housing. A coil is positioned about at least a por... | 07/01/2008 |
| 7287536 | Heater for heating the dishwashing liquid in a dishwasher In a dishwasher having a dishwashing compartment and a pump fluidically connected to the dishwashing compartment for channeling liquid to the dishwashing compartment, the pump disposed outside the dishwashing compartment and including a pump housing defining an inte... | 10/30/2007 |
| 7199498 | Electrical assemblies using molecular-scale electrically conductive and mechanically flexible beams and methods for application of same Electromechanical systems utilizing suspended conducting nanometer-scale beams are provided and may be used in applications, such as, motors, generators, pumps, fans, compressors, propulsion systems, transmitters, receivers, heat engines, heat pumps, magnetic field ... | 04/03/2007 |
| 7059820 | Noise control Methods, devices, and/or systems for controlling vibration and/or acoustic noise. An exemplary method senses noise and/or, for example, rotational speed of a rotating shaft, determines control parameters and actuates one or more actuators. An exemplary device includ... | 06/13/2006 |
| 7052017 | Rotary machine with seal The so-called comb-type labyrinth sealing device (S1) is disposed in a gap between a rotor blade (2), i.e. a rotating member, and a labyrinth packing (9), i.e. a stationary member. The sealing device (S1) has a plurality of sealing fins (... | 05/30/2006 |
| 6910857 | Seal A seal apparatus provides the seal between inner and outer elements. The seal apparatus has a flexible sealing element for forming a seal with a first of the inner and outer elements. At least one support element is secured to the sealing element. The seal further i... | 06/28/2005 |
| 6896476 | Fan having magnetic levitation blade assembly A fan includes a casing having a bottom wall and a shaft mounted inside the casing for rotatably supporting a rotary blade assembly comprised of blades inside the casing and above the bottom wall with the blade assembly being axially movable with respect to the shaf... | 05/24/2005 |
| 6783320 | Pressurized gas turbine engine with electrothermodynamic enhancement Pressurized gas turbine engine with efficiency enhanced by an electrothermodynamic power convertor. The turbine has peripheral nozzles which are supplied with pressurized gas or pressurized liquid by internal nozzle gas ways. Pressurized liquid is flashed by the noz... | 08/31/2004 |
| 6543992 | Control arrangement A control arrangement (34) for controlling the size of a gap (30) between first and second components. The control arrangement comprises first magnet means (38) to be provided on the first component, and second magnet means to be provided on the second co... | 04/08/2003 |
| 6375411 | Fluid displacement apparatus A gas turbine engine (10) has a compressor (14) which includes a rotary stage (16) supported for rotation by a plurality of wire wound stators (34). When the stators (34) are electrically energised, they exert Maxwell type magnetic forces on a magneticall... | 04/23/2002 |
| 6375416 | Technique for reducing acoustic radiation in turbomachinery Apparatus for reducing acoustic radiation which occurs during the operation of turbomachinery includes a shroud having a generally cylindrical inner surface and a coaxial rotor having a plurality of blades extending generally radially outwardly at equally... | 04/23/2002 |
| 6299410 | Method and apparatus for damping vibration in turbomachine components A method and apparatus reduces the magnitude of vibratory strain in a turbomachine component that experiences high steady state strain by, in the case of a passive embodiment, coupling a mechanical-to-electromagnetic energy converter to an interior and/or... | 10/09/2001 |
| 6250875 | Heater A heater comprises a casing, which has an interior chamber. It further comprises a rotor, which is formed as an impeller on the one hand and as an eddy-current disk on the other, and a magnet support, which is equipped with permanent magnets and disposed ... | 06/26/2001 |
| 6213734 | Motor fuel delivery unit The motor fuel delivery unit for delivering motor fuel includes a delivery pump (11) and an electric motor (12) for driving the delivery pump (11). The delivery pump (11) includes a housing (13) provided with a pump chamber (14) and an impeller wheel (16)... | 04/10/2001 |
| 5709527 | Vibration damping for turbine blades In a device for damping blade vibrations of an axial-flow turbomachine, the ends of the rotating blades form a seal toward the flow-limiting wall of a turbine casing. A ring of permanently magnetic material is attached to this flow-limiting wall of the tu... | 01/20/1998 |
| 5490759 | Magnetic damping system to limit blade tip vibrations in turbomachines A system that provides reliable blade damping with the capability to limit vibration in the blade tips to inconsequential amplitudes. A preferred embodiment of the invention comprises configurations of stationary electromagnets placed on a turboengine in ... | 02/13/1996 |
| 5215501 | Hysteresis magnet coupling for roots type pumps A hysteresis magnet coupling for Roots type pumps comprises a magnet plate holding member connected to either one of a pump shaft or a driving shaft, a hysteresis plate holding member connected to the other of shafts and a diaphragm of a non-magnetic mate... | 06/01/1993 |
| 5203673 | Tip clearance control apparatus for a turbo-machine blade An apparatus is provided for controlling rotating blade tip clearance in a turbo-machine utilizing conical tipped blades. The apparatus comprises an approximately conical blade ring mounted for axially sliding displacement in the turbo-machine cylinder. T... | 04/20/1993 |
| 4809354 | Hydrostatic bearing utilizing a ferromagnetic fluid A hydrostatic bearing system utilizing ferromagnetic fluid exclusively as working fluid including that used for sealing for preventing the ferromagnetic fluid itself from escaping outside the bearing. In order to accomplish the objects and function, the h... | 02/28/1989 |
| 4780066 | Centrifugal pump having a magnetic coupling The centrifugal pump has a pump rotor unit which is housed within an impeller chamber and which is driven by a permanent magnet coupling having magnetic pole units and pole shoes outside the impeller chamber. The pole shoes define a gap into which an annu... | 10/25/1988 |
| 4684328 | Acoustic pump An acoustic pump including a resonant member having low internal damping and asymmetrically tapered to a thin edge; a piezoelectric driver mounted on the resonant member; and means for applying an alternating voltage to the piezoelectric driver in the res... | 08/04/1987 |
| 4645432 | Magnetic drive vehicle coolant pump A magnetic drive pump for use as a vehicle coolant pump. A fluid housing fixed to the engine block as an impeller mounted on the outside of a cylindrical support integrally stamped into a front wall of the housing. A pulley has a central hub that is rotat... | 02/24/1987 |
| 4577116 | System for providing electrical energy to a missile and the like A system for providing electrical energy to a missile and the like. The system including a turbine driven by a gas supply on board the missile. The turbine driving a generator thereby eliminating batteries and other electrical power sources heretofore use... | 03/18/1986 |
| 4502832 | Turbo-molecular pump A turbo-molecular pump has passive magnetic bearings which are radially stable but axially unstable and mechanical thrust bearings acting axially, the magnetic bearings and the stator forming a structural unit movable axially within the pump housing and c... | 03/05/1985 |
| 4467216 | Multiple fixed hydraulic geometry turbine control system A plurality of selected fixed hydraulic geometry turbine generators are programmed for operation at rated efficiencies by interrupting flow to the turbines under control of a programmable power controller receiving water level, flow and power monitoring i... | 08/21/1984 |
| 4463555 | Electro-dynamic power converter An electro-dynamic power converter for transforming the kinetic energy of a moving stream of water into rotary power is disclosed. A turbine rotor is received within a power flow housing and has turbine blades for imparting a mechanical turning force on t... | 08/07/1984 |
| 4295803 | Separating machine Separating apparatus comprises a rotor having a plurality of impeller blades rotatably mounted in a support housing. In the normal course of apparatus use, fluid flow occurs through opposed rotor open ends. Drive motor elements for rotating the rotor are ... | 10/20/1981 |
| 4287405 | Process and apparatus for exhausting fumes produced by arc welding During arc welding, optical radiation emitted from an arc is detected by means of a photoelectric device, and an electric detection signal from the photoelectric device is used for controlling the travel of a suction hood along a weld line so that the wel... | 09/01/1981 |
| 4151431 | Permanent magnet motor The invention is directed to the method of utilizing the unpaired electron spins in ferro magnetic and other materials as a source of magnetic fields for producing power without any electron flow as occurs in normal conductors, and to permanent magnet mot... | 04/24/1979 |
| 4013384 | Magnetically driven centrifugal pump and means providing cooling fluid flow A magnetically driven centrifugal pump comprising an impeller rotatably supported in a casing by means of a hollow shaft; passage means including the through hole of said hollow shaft for conducting part of a fluid so as to cool said shaft; and an auxilia... | 03/22/1977 |
| 4010606 | Latching valve shutoff system An improved automatic fuel shutoff system is provided for a turbine type power plant which incorporates (1) sensing means responsive to a preselected abnormal engine operating condition for initially cutting off fuel flow to the engine and (2) latching me... | 03/08/1977 |
| 3986788 | Prime mover speed control system A speed control system for a fluid driven prime mover, for example, a turbine wherein the speed of the prime mover is controlled by the positioning of at least one fluid inlet valve. The inlet valve is positioned by a valve operator responsive to an outpu... | 10/19/1976 |
| 3981621 | Bearing wear detection devices A sealed pump having a rotor and a stator and including an electromagnetic system comprising magnet means and a coil mounted on the rotor and stator and arranged such that a voltage is induced in the coil when the rotor rotates eccentrically, with the sai... | 09/21/1976 |
| 3937014 | Electric control circuit arrangements for gas turbine engines A control circuit arrangement for a gas turbine engine has first and second identical control circuits which are responsive to groups of input signals to provide nominally identical first and second output signals. It is arranged that input signals to the... | 02/10/1976 |
