Flett
Edward John Flett, Oklahoma City, OK US
Patent application number | Description | Published |
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20140134016 | USE OF PEEK FILM AS A WRAP INSULATION MATERIAL ON MAGNET WIRE - An electrical submersible pumping system includes a pump assembly and a motor assembly. The motor assembly includes a plurality of stator coils and each of the plurality of stator coils comprises magnet wire. The magnet wire has an insulator surrounding a conductor and the insulator is manufactured from a polyether ether ketone film. In another aspect, the preferred embodiments provide a method for manufacturing a motor assembly for use in an electrical submersible pumping system. The method includes steps of preparing magnet wire having an electrical conductor and a polyether ether ketone film insulator. | 05-15-2014 |
20140145530 | USE OF PEK AND PEKEKK ON MAGNET WIRE - An electric motor assembly configured for use in a downhole pumping system includes a plurality of stator coils. Each of the plurality of stator coils includes magnet wire that has an insulator surrounding a conductor. In preferred embodiments, the insulator is manufactured from a material selected from the group consisting of polyether ketone and polyether ketone ether ketone ketone. | 05-29-2014 |
20140152155 | HIGH TEMPERATURE DOWNHOLE MOTORS WITH ADVANCED POLYIMIDE INSULATION MATERIALS - An electric motor assembly configured for use in a downhole pumping system includes a number of electrically conductive components that are insulated from fluids, mechanical abrasion, electrical current and electrical grounds using an advanced polyimide film. Preferred polyimide films include poly(4,4′-oxydiphenylene-pyromellitimide) and biphenyl-tetracarboxylic acid dianhydride (BPDA) type polyimide films. Magnet wire, stator laminates, stator coil end turns, motor leads and power cables can all be insulated with the selected polyimide film. | 06-05-2014 |
20140154113 | HIGH TEMPERATURE DOWNHOLE MOTORS WITH ADVANCED POLYIMIDE INSULATION MATERIALS - An electric motor assembly configured for use in a downhole pumping system includes a number of electrically conductive components that are insulated from fluids, mechanical abrasion, electrical current and electrical grounds using an advanced polyimide film. Preferred polyimide films include poly(4,4′-oxydiphenylene-pyromellitimide) and biphenyl-tetracarboxylic acid dianhydride (BPDA) type polyimide films. Magnet wire, stator laminates, stator coil end turns, motor leads and power cables can all be insulated with the selected polyimide film. | 06-05-2014 |
20140159536 | MAGNET WIRE WITH SHIELDED HIGH TEMPERATURE PERFLUOROPOLYMER INSULATION - An electrical submersible pumping system includes a pump assembly and a motor assembly. The motor assembly includes a plurality of stator coils and each of the plurality of stator coils comprises magnet wire. The magnet wire includes an inner insulation layer and an outer protective layer. The inner insulation layer is preferably constructed from a high-temperature, epitaxial co-crystallized perfluoropolymer that exhibits favorable resistance to elevated temperatures. The outer protective layer shields the inner insulation layer from mechanical abrasion and contaminants. | 06-12-2014 |
Fred Flett, Indio, CA US
Patent application number | Description | Published |
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20100322284 | Method For Determining Power Semiconductor Temperature - A method for determining power semiconductor operating temperatures uses a database of measured temperatures. Each temperature is associated with operating conditions and determined by laboratory testing in an environment indicative of operation of the power semiconductors actual operations. | 12-23-2010 |
20130187453 | Fishtail Packaging and Cooling - A combined battery charger and motor driver circuit assembly includes a plurality of power transistors arranged as a planar array, a cold plate configured to couple heat from each of the transistors in the array, a conductive power coupling fitting (also termed a bus bar), at least one capacitor, and a ferrite bead filter surrounding a necked section of the bus bar. The bus bar has a plurality of individually electrically conductive layers, each two of the layers being separated by an insulating layer, each conductive layer providing a plurality of contacts, the contacts in a layer configured to provide electrical contact, in the alternative, for power transistor collectors or power transistor emitters. The laminated bus bar is extended to form a fishtail shape along a specified section distal to the power transistors. The fish tail section terminates in two electrical contacts configured to provide electrical contact via discrete conductors to respective positive and negative battery terminals. A top surface of the capacitor is conductive at least in part. The capacitor makes electrical and thermal contact with a conductor of the laminated bus bar distal to the transistor array. A bottom surface of the capacitor is also conductive at least in part and is in electrical contact with a conductor of the laminated bus bar proximal to the transistor array. | 07-25-2013 |
20130293163 | Combination Charger and Motive Power Device - A combined battery charger and motor driver circuit assembly includes a rechargeable battery, a traction motor configured to accept a pulse-width-modulated (PWM) drive, a PNP transistor array, a charging source of chopped and rectified DC, and a control circuit configured to apply a discrete PWM drive signal to the gate of each transistor in the PNP transistor array. | 11-07-2013 |
20140340004 | COMBINATION CHARGER AND MOTIVE POWER DEVICE - A combined battery charger and motor driver circuit assembly includes a rechargeable battery, a traction motor configured to accept a pulse-width-modulated (PWM) drive, a PNP transistor array, a charging source of chopped and rectified DC, and a control circuit configured to apply a discrete PWM drive signal to the gate of each transistor in the PNP transistor array. | 11-20-2014 |
Fred Flett, Bloomfield, MI US
Patent application number | Description | Published |
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20080205089 | DC/DC CONVERTER - Power converter system topologies comprise a DC/DC converter. The DC/DC converter includes a transformer coupling a high side to a low side. The high side may include an inverter bridge in the form of an inverter module and an inductor. The low side may include a rectifier in the form of a rectifier module and a pair of inductors. The transformer may take the form of a planar transformer. | 08-28-2008 |
20080303138 | INSULATED GATE BIPOLAR TRANSISTOR - An insulated gate bipolar transistor includes bump pad connectors to provide thermal contact with a heat spreader for dissipating heat away form the insulated gate bipolar transistor. | 12-11-2008 |
20090012739 | METHOD FOR DETERMINING POWER SEMICONDUCTOR TEMPERATURE - A method for determining power semiconductor operating temperatures uses a database of measured temperatures. Each temperature is associated with operating conditions and determined by laboratory testing in an environment indicative of operation of the power semiconductors actual operations. | 01-08-2009 |
20090067109 | OPERATING AND CONTROLLING INSULATED GATE BIPOLAR TRANSISTORS IN HIGH SPEED FAILURE MODE SITUATIONS - A circuit and method to provide dynamic fault protection to transistors are disclosed. The fault protection may be particularly suited for protecting insulated gate bipolar transistors (IGBTs). | 03-12-2009 |
Frederick Flett, Indio, CA US
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20150028794 | DC SOURCE-TO-AC GRID TIE-IN POWER ENHANCEMENT USING MULTILEVEL INVERTER TOPOLOGY AND RESONANT MATRIX TANK CONVERTER - A high efficiency multi-mode power conversion device has DC-boost receiving input power from a DC (e.g., solar) source, a power inverter and an AC grid supply. Power conversion switches are arranged in a stacked configuration with controllable inner and outer switches conveying: in an non-inverting switched mode, an AC voltage from power from the AC grid supply; in an inverting outer switched mode, an AC voltage from power from the AC grid supply; and in an inverting outer and inner switched mode, an inverted voltage from power from the DC-boost circuit. At least one input switch and output to the AC grid supply is coupled to an output of the power inverter and a resonant circuit is coupled to the input switch. A rectifier and/or high voltage AC output tap is coupled to the resonant circuit and a controller is coupled to the power conversion switches and the input switch. | 01-29-2015 |
Frederick P. Flett, Indio, CA US
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20100133025 | Expandable Energy Storage Control System Architecture - A hybrid electric vehicle drive system comprises a first power bus electrically coupled to a motive power subsystem and a drive wheel propulsion assembly; a second power bus electrically coupled to the first power bus and a plurality of energy storage subsystems, wherein the first power bus is configured to allow electrical power to be transmitted among the motive power subsystem, the drive wheel propulsion assembly, and the second power bus, and wherein the second power bus is configured to allow electrical power to be transmitted among the plurality of energy storage subsystems and the first power bus. | 06-03-2010 |
20110100735 | Propulsion Energy Storage Control System and Method of Control - A propulsion energy storage control system and method of control interspersed between a heavy duty hybrid-electric drive system and its propulsion energy storage. The control system having an energy storage DC bus, electrical interfaces to the drive system and a plurality of propulsion energy storage subsystems, DC-to-DC converters at each interface, and a controller configured to operate each DC-to-DC converter independently such that power flow may charge, discharge, and shuttle between the plurality of propulsion energy storage subsystems. | 05-05-2011 |
Graham Flett, Dundee GB
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20100331014 | NAVIGATION SYSTEM AND METHOD - A navigation system and method which provides direction to visitors in buildings or groups of buildings. The system includes a check-in computer for recording identification information and destination information of a person upon entry into a building, for interrogating a wireless communicator associated with the person to obtain a wireless identifier, and for storing the identification information, the destination information, and the wireless identifier in a record. The system further includes a plurality of navigation stations for receiving the wireless identifier along a route of the person, for determining directions to a next navigation station along the route based upon the destination information in the record, and for providing the directions to the person. | 12-30-2010 |
John Dean Flett, Toronto CA
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20140351004 | SYSTEM AND METHOD FOR COLLECTING CONSUMER INFORMATION AND REWARDING CONSUMERS THEREFOR - A method and system is provided for obtaining, maintaining and using consumer information of interest including consumer demographic information and consumer transaction information. The information is obtained with the consent and participation of the consumers who are compensated for the use of their information by clients of the system and method. The system and method can obtain information directly from the consumers and from a variety of transaction service providers that the consumer interacts with. By having active participation from the consumers, and by compensating the consumers for the use of their data, it is believed that a more comprehensive and better quality data set will be obtained than that available from other consumer information systems. Preferably, the compensation to the consumers is based upon each use of their data and thus compensation can be paid multiple times for the same data and may be earned over extended time periods, thus encouraging consumers to continue their participation in the system and method. | 11-27-2014 |
Magnus Flett, Wakefield GB
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20110106095 | DRILL GUIDE ASSEMBLY - A drill guide assembly for determining the axis for drilling a bore in a generally dome-shaped bone to receive a component of an orthopaedic joint prosthesis is described. The drill guide assembly includes a drill guide sleeve, a carriage and a platform. The drill guide sleeve is mounted in the carriage towards a first end so that the angular orientation of the drill guide sleeve relative to the carriage can be adjusted about at least one axis. The carriage includes at least one threaded angle-adjustment screw which extends between the carriage and the drill guide sleeve by which the angular orientation of the drill guide sleeve can be adjusted. The platform is fastenable to the bone, and includes at least three feet depending from the platform to engage the surface of the bone with the bone extending towards the platform into the space between the feet. | 05-05-2011 |
20120316569 | INSTRUMENT FOR POSITIONING A CUP COMPONENT OF AN ORTHOPAEDIC JOINT PROSTHESIS - An instrument for positioning a cup component of an orthopaedic joint prosthesis includes a shaft, a housing attached to the distal end of the shaft, at least two flange portions carried on the shaft on which the cup component can be fixed, and a unitary spring element disposed about the shaft axis and disposed between the at least two flange portions and the axis of the shaft. The housing includes a base plate and extends from the shaft transversely relative to the shaft axis. The at least two flange portions can move relative to the base plate in a direction transverse to the shaft axis between an in-use position, where at least a portion of each of the at least two flange portions contacts the inner surface of the cup component, and a retracted position where the at least a portion of each of the at least two flange portions is moved towards the shaft axis so as to allow the cup component to be released from the instrument. The spring element biases each of the at least two flange portions towards the in-use position. | 12-13-2012 |
Richard F.w. Flett, Los Angeles, CA US
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20140069448 | ERGONOMIC MAKEUP SHIELD FOR APPLYING EYE MAKEUP AND METHODS OF USING THE SAME - An ergonomic makeup shield for use in applying eye makeup and methods of using the same are disclosed. The makeup shield has a generally planar body having a top surface and a bottom surface, the body further including at least four generally straight side, with adjacent sides being connected by generally curved corners and the sides being oriented relative to each other to provide angles between adjacent sides wherein at least two of the angles are acute angles and at least two of the angles are obtuse angles, and wherein the top surface has a perimeter that is smaller than the bottom surface and the top surface is connected to the bottom surface by a generally beveled edge extending around at least two of the generally curved corners and along the respective sides adjacent thereto. The makeup shield also may include scale indicia along at least two of the sides. | 03-13-2014 |