Simpson, DE
Alexander Simpson, Munchen DE
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20090311096 | METHOD AND APPARATUS FOR MEASURING AIR FLOW CONDITION AT A WIND TURBINE BLADE - A method and an apparatus for measuring an air flow at an airfoil surface are provided, wherein at least one pressure sensor adapted to detect an air flow associated with a rotor blade surface and a pressure transducer which converts the detected air flow into an electrical signal indicating the air flow are provided. The pressure sensor is arranged within the boundary layer of the air flow at the airfoil surface such that the boundary layer profile may be determined from the electrical signal. The air flow sensor is adapted for rotor blades of a wind turbine to assist in adjusting a pitch angle of the rotor blades. | 12-17-2009 |
Alexander Simpson, Munich DE
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20100146967 | EMISSION SYSTEM, APPARATUS, AND METHOD - A system, apparatus, and method for exhaust gas recirculation (EGR) is disclosed. The EGR apparatus includes an EGR circuit having an input configured to receive an exhaust gas from an engine exhaust port, an output configured to return the exhaust gas to an intake port of the engine, and an EGR path configured to circulate the exhaust gas between the input and the output. The EGR apparatus also includes an expansion turbine connected to the EGR circuit in the EGR path downstream of the input to receive the exhaust gas, the expansion turbine configured to expand the exhaust gas and reduce a pressure thereof. The EGR apparatus further includes an EGR compressor connected to the EGR path downstream of the expansion turbine and decoupled from the expansion turbine, the EGR compressor configured to compress the exhaust gas for circulation to the output. | 06-17-2010 |
20100146968 | EMISSION SYSTEM, APPARATUS, AND METHOD - A system, apparatus, and method for exhaust gas recirculation (EGR) is disclosed. The EGR apparatus includes an EGR circuit having an input configured to receive an exhaust gas from an engine exhaust port, an output configured to return the exhaust gas to an intake port of the engine, and an EGR path configured to circulate the exhaust gas between the input and the output. The EGR apparatus also includes an EGR compressor connected to the EGR circuit in the EGR path downstream of the input and EGR compressor configured to compress the exhaust gas for circulation to the output. The EGR apparatus further includes a valve system positioned in the EGR circuit and upstream of the EGR compressor to selectively cut off a flow of the exhaust gas to the EGR compressor and selectively inject ambient air into the EGR path. | 06-17-2010 |
20110094212 | COMPRESSED AIR ENERGY STORAGE SYSTEM WITH REVERSIBLE COMPRESSOR-EXPANDER UNIT - A system and method for compressing and expanding air in a compressed air energy storage (CAES) system is disclosed. A CAES system is provided that is alternately operable in a compression mode and an expansion mode and includes therein a motor-generator unit and a drive shaft connected to the motor-generator unit that is configured to transmit rotational power to and from the motor-generator unit. The CAES system also includes at least one reversible compressor-expander unit coupled to the drive shaft and configured to selectively compress and expand air, and an air storage unit connected to the reversible compressor-expander unit and configured to store compressed air received therefrom, with the at least one reversible compressor-expander unit compressing air during the compression mode and expanding air during the expansion mode. | 04-28-2011 |
20110209473 | SYSTEM AND METHOD FOR WASTE HEAT RECOVERY IN EXHAUST GAS RECIRCULATION - A system and method for waste heat recovery in exhaust gas recirculation is disclosed. The system includes an engine having an intake manifold and an exhaust manifold, an exhaust conduit connected to the exhaust manifold, and a turbocharger having a turbine and a compressor, the turbine being connected to the exhaust conduit to receive a portion of the exhaust gas from the exhaust manifold. The system also includes an EGR system connected to the exhaust conduit to receive a portion of the exhaust gas, with the EGR system including an EGR conduit that is connected to the exhaust conduit to receive a portion of the exhaust gas, a heat exchanger connected to the EGR conduit and being configured to extract heat from the exhaust gas, and a waste heat recovery system connected to the heat exchanger and configured to capture the heat extracted by the heat exchanger. | 09-01-2011 |
20120201660 | WET GAS COMPRESSOR SYSTEMS - The present application provides for a wet gas compressor system. The wet gas compressor system may include a wet gas compressor with an inlet section. A variable cross-section nozzle may be positioned about the inlet section. | 08-09-2012 |
Alexander Simpson, Bavaria DE
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20100143118 | Wind Turbine Aerodynamic Separation Control - The present application provides a wind turbine system. The wind turbine system may include a number of blades, a number of wind speed sensors positioned on the blades, a controller in communication with the wind speed sensors, and one or more performance adjustment, mechanisms in communication with the controller. The controller activates the performance adjustment mechanisms in response to the wind speed sensors. | 06-10-2010 |
Alexander Kimberley Simpson, Munich Bavaria DE
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20090309359 | WIND TURBINE SENSOR ASSEMBLY AND METHOD OF ASSEMBLING THE SAME - A sensor assembly for use with a wind turbine rotor blade is provided. The sensor assembly includes an air data probe including a base shaft, a tip, and a rod portion extending therebetween, wherein the rod portion is fabricated from a composite material. The sensor assembly includes a receptacle configured to couple within the leading edge of the rotor blade for receiving the base shaft therein such that the tip extends a distance from the leading edge when the base shaft is received within the receptacle. | 12-17-2009 |
Alexander Kimberley Simpson, Munchen DE
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20100142880 | FIBER OPTIC SENSING SYSTEM - A fiber optic sensing system comprises a housing disposed in a flow path, and a fiber optic sensor. The fiber optic sensor comprises an optical fiber secured in the housing, a Bragg grating, a light source for transmitting light to the optical fiber, and a detector for detecting light filtered by the Bragg grating of the optical fiber and monitoring wavelength changes of the detected light. The fiber is substantially perpendicular to the flow path. The housing defines an opening at an upstream side to allow flow through the flow path to exert a pressure on the optical fiber and cause a deformation of the Bragg grating. | 06-10-2010 |
Alexander Kimberley Simpson, München DE
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20110135445 | PRESSURE BALANCED LOW-FRICTION SEAL - A pressure balance seal includes a sealing surface facing an inward radial direction, and a stator interface comprising at least one surface interfacing with a stator. The pressure balance seal further includes a friction reducing feature. The friction reducing feature includes a cavity on the sealing surface. The cavity is configured to receive a fluid such that a normal force acting on the pressure balance seal is counterbalanced by a force generated by a pressure of the fluid. | 06-09-2011 |
Alexander Kimberley Simpson, Munich DE
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20120087808 | LIQUID RING COMPRESSORS FOR SUBSEA COMPRESSION OF WET GASES - The present disclosure is directed to liquid ring compressors that can be employed to remove liquid from a wet gas and/or to compress a wet gas. In one embodiment, a liquid ring compressor includes a shaft, a main body inner casing disposed about the shaft to form a chamber between the shaft and the main body inner casing, and an inlet configured to remove a portion of liquid from a wet gas and to direct the wet gas into the chamber. The liquid ring compressor also includes an impeller rotatably disposed within the chamber and configured to direct a remaining portion of the liquid in the wet gas out towards the main body inner casing to form a liquid ring within the chamber to compress the wet gas. | 04-12-2012 |
Paul Andrew Simpson, Ludwigshafen DE
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20100075115 | DISPERSIONS OF POLYURETHANES, THEIR PREPARATION AND USE - The present invention provides aqueous dispersions comprising a pigment (B) at least partially enveloped by polyurethane (A) and further comprising at least one polymerization inhibitor (C), said polyurethane (A) being obtainable by reaction of | 03-25-2010 |
Paul Andrew Simpson, Mannheim DE
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20120138219 | PROCESS FOR PRODUCING MULTILAYER COMPOSITE STRUCTURES - Process for producing multilayer composite structures, which comprises carrying out the following operations in succession: | 06-07-2012 |