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| Number | Title | Issue Date |
| 8047552 | Nitinol ice blades A Nitinol ice blade includes a blade body having attachment structure by which it is held in a blade holder of an ice travel device, such as an ice skate or ice boat. The processes and products made by the processes. The processes include selecting a Type 60 Nitinol... | 11/01/2011 |
| 7992352 | Modular building frame A building frame resistant to earthquakes, gale-force wind loads, fire, insects and rot includes a peripheral frame wall constructed of rectangular steel tubing. Side wall frame modules and end wall modules bolted together along adjacent edges form the peripheral fr... | 08/09/2011 |
| 7956326 | Infrared imaging sensor A system for detection and control of deposition on pendant tubes in recovery and power boilers includes one or more deposit monitoring sensors operating in infrared regions of about 4 or 8.7 microns and directly producing images of the interior of the boiler, or pr... | 06/07/2011 |
| 7938576 | Sensing system for obtaining images and surface temperatures A sensing system simultaneously obtains images and surface temperatures of processing tubes inside process heaters using an imaging sensor operating in the visible or infrared regions of the spectrum and capable of detecting visible or infrared radiation emitted or ... | 05/10/2011 |
| 7902700 | Low harmonic loss brushless motor A brushless permanent magnet motor has a rotor supported to rotate about an axis of rotation, and a stator that is stationary and magnetically exerts torque upon the rotor. The rotor has a ferromagnetic backiron and a circumferential array of alternating polarity ma... | 03/08/2011 |
| 7888839 | Commercial low cost, high efficiency motor-generator A motor-generator includes a rotor that rotates about an axis of rotation, and a stator that is stationary and magnetically interacts with the rotor. The rotor is constructed of two spaced apart rotor portions having magnetic poles that drive magnetic flux across an... | 02/15/2011 |
| 7750515 | Industrial air core motor-generator A non-ventilated motor-generator includes a rotor supported for rotation on bearings inside a closed metal housing. The rotor is constructed of two spaced apart rotor sections having permanent magnets that drive magnetic flux across an air gap between the rotor sect... | 07/06/2010 |
| 7704294 | Aerodynamic lens particle separator Respirable particles with diameters on the order of 0.05 to 10 microns entrained in an air stream, are concentrated in an aerodynamic lens (FIG. 2) for separation from the air steam. The entire structure is made by microfabrication techniques, such as silicon... | 04/27/2010 |
| 7571881 | Toolless locking mount A universal mounting mechanism for holding objects, such as electrical, medical, optical or audio/visual components needing secure physical connection to another surface in such a way that the mounted object can be easily and quickly installed and removed. It locks ... | 08/11/2009 |
| 7525230 | Air core motor-generator A brushless motor-generator includes a rotor having a ferromagnetic tube with radially polarized, alternating polarity permanent magnet poles, and an air core armature that magnetically exerts torque upon the rotor. The magnetic poles drive magnetic flux across a ra... | 04/28/2009 |
| 7509740 | Method of manufacturing a wing A method and apparatus for manufacturing wings includes a fixture that holds wing panels for drilling and edge trimming by accurate numerically controlled machine tools using original numerical part definition records, utilizing spatial relationships between key fea... | 03/31/2009 |
| 7508157 | Line synchronous air core motor A motor system includes an air core motor having a rotor with opposed permanent magnet poles defining therebetween a magnetic airgap and driving magnetic flux across the magnetic airgap. A stationary armature with air core windings is located within the magnetic air... | 03/24/2009 |
| 7434988 | Low pressure acoustic pyrometer signal generator An acoustic pyrometer measures the average gas temperature across a space of known distance, especially turbulent, high temperature gas loaded with caustic particulates. It includes an acoustic signal generator that generates a high amplitude acoustic signal with a ... | 10/14/2008 |
| 7411325 | High efficiency combination motor and drive A brushless permanent magnet motor has a rotor constructed of spaced ferromagnetic backirons and a circumferential array of alternating polarity magnetic poles that drive magnetic flux back and forth across an armature air gap between the backirons. A stator include... | 08/12/2008 |
| 7402934 | High performance air core motor-generator winding A motor-generator for converting between electrical and rotational energy includes a rotor mounted for rotation about an axis of rotation relative to a stationary a stator that magnetically interacts with the rotor. The rotor has two spaced apart rotor portions that... | 07/22/2008 |
| 7352076 | Small wind turbine system A small wind-powered electricity generation system, providing regulated AC electric power from wind energy to a power system grid, has a wind turbine that produces less than 10 kW of peak electric power in a permanent magnet generator that produces generator power w... | 04/01/2008 |
| 7267028 | Stacked disc flywheel A high-speed steel flywheel for a flywheel uninterruptible power is constructed by stacking several unpierced steel discs together. Each disc is heat treated prior to assembly. Thin axial thickness of each disc enables complete rapid quenching to attain a fully hard... | 09/11/2007 |
| 7105979 | Compact heteropolar hybrid alternator-motor A brushless hybrid electrical machine for converting between electrical and mechanical energy has a rotor supported for rotation about an axis of rotation relative to a juxtaposed stator that is stationary and magnetically interacts with the rotor. The rotor include... | 09/12/2006 |
| 7084548 | Low cost high speed electrical machine A high speed brushless axial gap air core electrical machine includes a rotor mounted for rotation about an axis, and a stationary stator that magnetically interacts with the rotor. The rotor has two discs that are axially spaced apart to form an armature airgap. A ... | 08/01/2006 |
| 7066050 | Life counter for flywheel energy storage systems A life counter that calculates and records the life utilized of the flywheel in a flywheel energy storage system and indicates when it should be removed from service, based on operational history instead of monitoring for symptoms of failure. The life counter can ef... | 06/27/2006 |
| 7068014 | Online alternator flywheel system A flywheel energy storage system for preventing power interruptions to a load from interruptions of primary power includes a flywheel supported for rotation about an axis on a bearing system, and a motor-generator having a rotor coupled with the flywheel, and having... | 06/27/2006 |
| 7053589 | Long-life vacuum system for energy storage flywheels The invention, intended primarily for use in a steel flywheel power source (30), provides a vacuum system and a method of maintaining a vacuum inside a flywheel chamber (32) for the life of the power source (30). The vacuum system combines the u... | 05/30/2006 |
| 7042109 | Wind turbine A wind turbine for generating electrical power from wind energy includes a turbine rotor mounted for rotation in wind, and having multiple blades for converting energy in the wind into rotational energy. A generator is coupled with said turbine rotor such that said ... | 05/09/2006 |
| 7005018 | Shape memory parts of 60 Nitinol A process for making Type 60 Nitinol with shape memory effect from hot-worked material, such as hot rolled Type 60 Nitinol sheet or plate, includes heat treatment to a temperature of 600° C.–800° C. and holding the material at that temperature until the temperat... | 02/28/2006 |
| 6997838 | Parallel hydromechanical underdrive transmission An axial piston pump and an axial piston motor, mounted in a housing each have a rotating element and a non-rotating element. Each non-rotating element is mounted for tilting movement about axes transverse to the axes of rotation of the rotating element, on trunnion... | 02/14/2006 |
| 6909816 | Sensing system for detection and control of deposition on pendant tubes in recovery and power boilers A system for detection and control of deposition on pendant tubes in recovery and power boilers includes one or more deposit monitoring sensors operating in infrared regions and about 4 or 8.7 microns and directly producing images of the interior of the boiler. An i... | 06/21/2005 |
| 6891302 | Light-weight high-power electrical machine A brushless electrical machine, usable as a motor, generator, or alternator, has a rotor that is comprised of a rim portion and a substantially open center portion. The rim portion has a partially hollow core in which a stationary field coil is supported. Current to... | 05/10/2005 |
| 6886986 | Nitinol ball bearing element and process for making A bearing having bearing elements made of Type 60 Nitinol made by an investment casting process for producing near net shape parts of Nitinol includes making a ceramic mold having a series of spherical cavities, pouring molten Nitinol into the mold cavities, cooling... | 05/03/2005 |
| 6874994 | Hydraulic pump and motor A hydraulic unit has a drive shaft (52) mounted in a manifold block (54) and coupled to a torque plate (80) on a central axis. A bent axis motive unit (60) has a yoke connected to the manifold block supported for rotation on the yoke. Hol... | 04/05/2005 |
| 6834992 | Acoustic pyrometer An acoustic pyrometer measures the average gas temperature across a wide space of known distance, especially turbulent, high temperature gas loaded with caustic particulates. It includes an acoustic signal generator that generates a high amplitude acoustic signal wi... | 12/28/2004 |
| 6828710 | Airgap armature An improved airgap armature for use in brushless rotary electrical machines is constructed with multiple phase windings comprised of wires that are wound onto and bonded to a supporting form constructed from nonmagnetic and electrically nonconductive material. The f... | 12/07/2004 |
| 6825588 | Uninterruptible power supply using a high speed cylinder flywheel A flywheel uninterruptible power supply includes a solid steel cylindrical flywheel levitated for rotation about a vertical axis at tip speeds greater than 250 m/s on magnetic bearings in a low pressure housing. The cylindrical flywheel has a length L and a diameter... | 11/30/2004 |
| 6819012 | Flywheel energy storage system A flywheel uninterruptible power supply has an energy storage flywheel supported in a low pressure containment vessel for rotation on a bearing system. A brushless motor/generator is coupled to the flywheel for accelerating and decelerating the flywheel for storing ... | 11/16/2004 |
| 6808143 | Determinant wing assembly A method and apparatus for manufacturing wings includes a fixture that holds wing panels for drilling and edge trimming by accurate numerically controlled machine tools using original numerical part definition records, utilizing spatial relationships between key fea... | 10/26/2004 |
| 6806605 | Permanent magnetic bearing A magnetic bearing system for support of a body, such as an energy storage flywheel, for rotational about a substantially vertical axis of rotation through its center of mass. The bearing system includes a rotating portion and a stationary portion on each axial side... | 10/19/2004 |
| 6798092 | Low outgas flywheel motor/generator A flywheel energy storage system includes a housing adapted to be evacuated and maintained at a low pressure atmosphere, a cylindrical steel flywheel supported for low-loss rotation in the low pressure atmosphere within the housing on a bearing system, a nonevaporab... | 09/28/2004 |
| 6794776 | Inductor alternator flywheel system An inductor alternator flywheel system, for converting between electrical and kinetic energy, includes an annular steel flywheel mounted on bearings for rotation about an axis. The flywheel has an inwardly facing radial surface forming multiple protrusions or teeth ... | 09/21/2004 |
| 6788029 | Flywheel with switched coupling regulator A flywheel energy storage device, for producing electrical power in an allowable range of operating voltages for an output load, includes an energy storage flywheel supported for rotation on a bearing system, and a brushless motor and a brushless permanent magnet ge... | 09/07/2004 |
| 6767589 | Method for metal coating a flywheel rim A composite flywheel rotor includes an annular rim mounted on a hub for high speed rotation in an evacuated flywheel enclosure. A smooth epoxy layer is applied to the rim and is cleaned or maintained clean in preparation for a metal coating on the rim. The rim may b... | 07/27/2004 |
| 6748642 | Preloading for lockbolt installation A process and apparatus for installation of a lockbolt to fasten together an assembly of at least two parts having a viscous fluid such as adhesive or sealant in the interface between the two parts, inserts a lockbolt into aligned holes through the two parts and exe... | 06/15/2004 |
