Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7847455 | Dynamic barrier isolation chamber The invention concerns an isolation chamber for isolating substances from the ambient. The isolation chamber comprises a first container surrounding and defining an isolation space for holding the substances and a second container surrounding the first container. A ... | 12/07/2010 |
| 7804215 | Integrated cooling concept for magnetically geared machine A magnetically geared machine having an integrated cooling concept is provided. The machine includes a rotor having an inner surface and an outer surface, a magnet assembly coupled to one of the inner or outer surfaces of the rotor, and a stator having a plurality o... | 09/28/2010 |
| 7508104 | Magnetic coupling arrangement for transmitting a torque A magnetic arrangement for transmitting torque from an input shaft (1) to an output shaft (2), of for example a pump, comprises at least one magnet arrangement (3, 4) assigned to each of the input shaft (1) and to the output shaft (2 | 03/24/2009 |
| 7425121 | Rotary vane pump A pump assembly (100) having a pump housing (206 and 208) and a rotor (222) rotatingly disposed within the housing, the rotor having a plurality of slots (226). The pump assembly includes a plurality of vanes (224), each van... | 09/16/2008 |
| 7391140 | Magnetically coupled heat dissipating fan A heat-dissipating fan includes a casing, a stator, and an impeller. The casing includes a base supported by a plurality of ribs. The base includes an axial tube for receiving a bearing through which a shaft extends. Vanes are provided on an outer circumferential wa... | 06/24/2008 |
| 7358635 | Magnetic power transmission devices for oilfield applications A method and apparatus relates to incorporating a magnetic coupling for use in oilfield applications. The magnetic coupling is operatively coupled to an oilfield machine to provide a controlled operational speed. The magnetic coupling may be operatively connected to... | 04/15/2008 |
| 7347283 | Using a rotating inner member to drive a tool in a hollow outer member A rotating inner member is used to drive a downhole tool housed within the hollow outer member of a dual-member drill string. The downhole tool preferably will be adapted to receive rotational energy from the inner member. In a preferred embodiment, the downhole too... | 03/25/2008 |
| 7291952 | Low-abrasion rotating structure A low-abrasion rotating structure includes a stator set, a rotor set, and a rotating shaft. A stator hole is defined at a center of the stator set. A rotor hole is defined at a center of the rotor set. The rotating shaft is disposed in both the stator hole and the r... | 11/06/2007 |
| 7289009 | Eddy-current-damped microelectromechanical switch A microelectromechanical (MEM) device is disclosed that includes a shuttle suspended for movement above a substrate. A plurality of permanent magnets in the shuttle of the MEM device interact with a metal plate which forms the substrate or a metal portion thereof to... | 10/30/2007 |
| 7288229 | Parallel reactor with sensing of internal properties An apparatus and method for carrying out and monitoring the progress and properties of multiple reactions is disclosed. The method and apparatus are especially useful for synthesizing, screening, and characterizing combinatorial libraries, but also offer significant... | 10/30/2007 |
| 7281910 | Motor driven compressor A motor driven compressor having a motor for driving a compression mechanism includes a connecting portion for connecting between an external terminal for supplying electricity to the motor and a wire end portion of a stator of the motor. The connecting portion is l... | 10/16/2007 |
| 7262532 | Arrangement with an electronically commutated external rotor motor A motor structure resistant to liquid intrusion features two modules, the first having an electronically commutated external-rotor motor (20), which motor comprises an internal stator (22) that is arranged on a bearing tube (30) and is separated... | 08/28/2007 |
| 7253536 | Water supply apparatus A water supply apparatus includes an apparatus body disposed in a flow passage for sucking water to an indoor facility and a power generation unit installed in the apparatus body. Further, the power generation unit further comprises a rotating shaft extended in a di... | 08/07/2007 |
| 7238017 | Domestic pasta machine This is a domestic rolling machine for homemade pasta with the surface of the rolling rollers formed by anodizing metal to provide a micro-rough surface that considerably increases adherence thus reducing the number of passes for the sheet of pasta to reduce the thi... | 07/03/2007 |
| 7225284 | Increasing the quantity of I/O decode ranges using SMI traps A method of increasing the quantity of input/output (I/O) decode ranges using system management interrupts (SMI) traps is disclosed. In one aspect, the present disclosure teaches a method of increasing the quantity of I/O decode ranges using SMI traps in a chipset i... | 05/29/2007 |
| 7199497 | Frameless switched reluctance motor and application as a top drive for a rotary pump A frameless switched reluctance motor (SRM) has a stator sandwiched between two housings. Axial load on the rotor shaft is directed through a first bearing, through the first housing to the stator and through the second housing to a motor support. Heat is dissipated... | 04/03/2007 |
| 7183683 | Inner magnet of a magnetic coupling An inner magnet assembly for a rotary magnetic coupling, the inner magnet assembly having an inner ring body with magnet guides, magnets and an overlying sleeve. ... | 02/27/2007 |
| 7119451 | Self-powered miniature liquid treatment system with ultraviolet dosing A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator. A flow of liquid may be filtered with the filter and used to rotate the hydro-generator to generate electric power. The ultraviolet light source ... | 10/10/2006 |
| 7117752 | Pulsed torque measurement A method of measuring torque in a part, for example a shaft, in which at least one coil, wound about an axis of the part about which axis torque is applied, is A.C. energized to create an alternating polarity magnetic field in the part, which field emanates a compon... | 10/10/2006 |
| 7116027 | Magnet for a dynamo-electric machine A magnet for a dynamo-electric machine has a plurality of magnetic poles disposed substantially in a circular shape and opposite a plurality of teeth disposed substantially in a circular shape, the magnetic poles and teeth separated by a gap in an axial direction of... | 10/03/2006 |
| 7112903 | Magnetically journalled rotational arrangement including a rotor for generating a unipolar bias magnetic flux A magnetically journalled rotational arrangement includes a substantially disc-shaped or ring-shaped rotor and a stator. The stator includes structure for the production of a field which produces a rotation of the rotor. The rotor has structure which produce a unipo... | 09/26/2006 |
| 7071590 | Coaxial dynamical system A coaxial dynamical system includes a motor having a transmission shaft, a dynamical transmission member rotatably connecting to the transmission shaft, and a magnetic driving mechanism connected between the transmission shaft and the dynamical transmission member. ... | 07/04/2006 |
| 7067936 | Self-powered miniature liquid treatment system with multiple liquid flow paths A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator in a first flow path. The first flow path may provide treated liquid at a first outlet of the liquid treatment system. A second flow path included... | 06/27/2006 |
| 7057320 | Mechanical drive system operating by magnetic force A mechanical drive system operating by magnetic force, to be fitted on a pump, comprises a basic structure on which a drive shaft, which extends along a longitudinal axis, is supported rotatably. A driving element operatively connected to the drive shaft is provided... | 06/06/2006 |
| 7025152 | Using a rotating inner member to drive a tool in a hollow outer member A rotating inner member is used to drive a downhole tool housed within the hollow outer member of a dual-member drill string. The downhole tool preferably will be adapted to receive rotational energy from the inner member. In a preferred embodiment, the downhole too... | 04/11/2006 |
| 6997688 | Secondary containment for a magnetic-drive centrifugal pump A centrifugal pump includes a housing having a housing cavity, an inlet, and an outlet. A pump shaft is located within the housing cavity. A radial bearing coaxially surrounds the pump shaft. The shaft and the radial bearing are rotatable with respect to one another... | 02/14/2006 |
| 6955083 | Vertical liquid level measuring device A system for actuating an indicator in response to a depth change in a liquid that is confined to a container comprises a housing, a float constrained to vertical movement in response to changes in liquid depth in the container, an actuator connected to the housing ... | 10/18/2005 |
| 6949854 | Method and apparatus for a continuously variable-ratio transmission A method and apparatus for providing a continuously variable transmission (CVT) is described. The CVT comprises permanent magnets to couple power, a coefficient of coupling controlled by an electronic servo control loop. Wherein torque multiplication is achieved by ... | 09/27/2005 |
| 6945916 | Exercise resistance device with magnets An exercise resistance device for use in an exercise apparatus includes a rotatable shaft and an impeller rotatable within a fluid filled sealed chamber. A rotating member is joined for rotation with the rotatable shaft. The rotating member is external to the sealed... | 09/20/2005 |
| 6927501 | Self-powered miniature liquid treatment system A liquid treatment system that may be self-powered includes a filter, an ultraviolet light source and a hydro-generator in a first flow path. The first flow path may provide treated liquid at a first outlet of the liquid treatment system. A second flow path included... | 08/09/2005 |
| 6908291 | Corrosion-resistant impeller for a magnetic-drive centrifugal pump An impeller for a magnetic-drive centrifugal pump includes a core for supporting a magnetic assembly of magnets. An inner barrier covers at least part of the magnets. The inner barrier hermetically isolates the magnetic assembly within the impeller. For example, in ... | 06/21/2005 |
| 6700264 | Pump driving system of induction type An induction pump driving system has a motor shaft, a pump shaft, a first magnetization body, a second magnetization body, an electrical coil, a yoke, and a nonmagnetically electrical-conducting body. The first magnetization body is mounted on the motor s... | 03/02/2004 |
| 6680555 | Electromagnetic hysteresis unit The invention is based on an electromagnetic hysteresis unit (1, 23) with magnetic north pole (4) which are arranged to alternate with magnetic south pole (5) on a magnet body (2, 3) in a peripheral direction (15) about an axis of rotation (14) at a dista... | 01/20/2004 |
| 6657351 | Contactless energy transfer apparatus A flux generator base unit electromagnetically coupled with a receiving unit to transfer energy into the receiving unit. The base unit includes one or more permanent magnets that produce a magnetic flux, which passes through a receiver coil in the receivi... | 12/02/2003 |
| 6417591 | Magnetic coupling mechanism for use in laser apparatus A magnetic coupling mechanism which can transmit rotational force of a motor with high efficiency and is simple in mechanism and unlikely to damage bearings, etc. and also unlikely to contaminate a laser gas, and in which flakes from plating or the like w... | 07/09/2002 |
| 6242828 | Flywheel-rotor apparatus A flywheel-rotor apparatus that transforms electrical power into mechanical power and mechanical power into electrical power through a unitary device is disclosed. The invention includes an inner portion and an outer portion which are made of an electrica... | 06/05/2001 |
| 6208512 | Contactless hermetic pump A hermetic pump includes a housing having a bore, an inlet, and an outlet for channeling a fluid therethrough. A shaft is disposed coaxially in the bore, and includes a journal and an impeller spaced apart therefrom. The shaft is hermetically rotated to p... | 03/27/2001 |
| 6163095 | Drive system for a frozen food product dispenser In one preferred embodiment, a freeze cylinder is used having a closed end and an open end. Around the cylinder adjacent the closed end, a three phase DC stator is placed. The stator is connected to a three phase DC power supply that includes an AC to DC ... | 12/19/2000 |
| 6118202 | High-efficiency inductor-alternator An inductor-alternator provides highly efficient conversion between mechanical and electrical energy. The inductor-alternator produces increased output by providing armature coils in a single air gap formed between two halves of a toothed rotor. In prefer... | 09/12/2000 |
| 6087753 | High-efficiency inductor-alternator An inductor-alternator provides highly efficient conversion between mechanical and electrical energy. The inductor-alternator produces increased output by providing armature coils in a single air gap formed between two halves of a toothed rotor. In prefer... | 07/11/2000 |
