Patent application number | Description | Published |
20090057060 | Recirculating lubrication system with sealed lubrication oil storage - A recirculating lubrication system for a gas turbine engine comprises: a storage reservoir for storing a quantity of lubrication oil for the engine; an operating reservoir for supplying lubrication oil for the engine; a transfer valve with an inlet coupled to an outlet of the storage reservoir and an outlet coupled to an inlet of the operating reservoir to transfer the quantity of lubrication oil from the storage reservoir to the operating reservoir before starting the engine; and a pump for circulating the transferred lubrication oil through at least one engine bearing and back to the operating reservoir. | 03-05-2009 |
20090191047 | System for reducing compressor noise - A system for reducing compressor noise includes a rotor having a plurality of blades. The blades have a nominal geometry characterized by a blade parameter. At least some of the blades are mistuned, such that they differ from the nominal geometry by greater than a manufacturing tolerance in the blade parameter. The blades produce shock waves at a blade passing frequency, and the mistuned blades shift acoustic energy away from the blade passing frequency to multiple lower amplitude tones at other frequencies. The system is configurable to be deployed with an inlet silencer that preferentially absorbs acoustic energy at some of the shifted frequencies. | 07-30-2009 |
20100215508 | Axially Segmented Impeller - An impeller with an axial inlet in relation to an impeller axis for pressurising a fluid comprises: a nose section that has a nose section central hub and multiple nose vane sections, each nose vane section extending from a leading edge to a generally radial nose section interface plane; a tail section that has a tail section central hub and multiple tail vane sections, each tail vane section extending from a generally radial tail section interface plane to a vane tip; a coupling that joins the nose section central hub to the tail section central hub and aligns each one of the nose vane sections with a corresponding one of the tail vane sections with an axial gap between the radial nose section interface plane and the radial tail section interface plane. | 08-26-2010 |
20100313573 | APU BLEED VALVE WITH INTEGRAL ANTI-SURGE PORT - A compressor bleed air valve in an auxiliary power unit (“APU”) modulates bleed air flow both for accessory pneumatic systems powered by the bleed air and for reducing or removing surge in the compressor. | 12-16-2010 |
20110072830 | COMBUSTOR INTERFACE SEALING ARRANGEMENT - A gas turbine engine sealing arrangement which includes a combustor liner establishing a combustion area and a turbine nozzle configured to receive a portion of a combustor liner. A sealing ring arrangement is configured to seal with the turbine nozzle to control fluid flow from the combustion area and reduce leakage. | 03-31-2011 |
20110089691 | GEARLESS TURBO-GENERATOR - An auxiliary power unit includes a gas generator that produces a flow of gases to drive a free power turbine that directly drives an electric generator. The electric generator is driven by the free power turbine at a desired speed without the use of step down gearing to provide a lighter weight and more cost effective electric power generating system. | 04-21-2011 |
20110271686 | EXHAUST SILENCER CONVECTION COOLING - An example auxiliary power unit (APU) exhaust silencer includes cooling features to protect the outer skin and other components from heat generated by gases passing through an exhaust duct. Cooling air flow through a cooling air passage in thermal contact with the exhaust silencer carries heat away from other nearby components and the aircraft skin. | 11-10-2011 |
20110296841 | GAS TURBINE ENGINE DIFFUSER - An exemplary diffuser includes a plurality of air flow channels defined by a corresponding plurality of vanes. The vanes extend from a first side of the diffuser and define a width of the air flow channel between the corresponding plurality of vanes. The first side has at least one tapered surface extending from an inner radial position to an outer radial position. The distance between a tapered surface and a top side of the plurality of the vanes defines a depth of the air flow channel. The width of the air flow channel varies relative to the depth of the air flow channel along the length of the air flow channel. | 12-08-2011 |
20120107131 | CENTRIFUGAL COMPRESSOR IMPELLER - A compressor impeller includes a hub, main blades and splitter blades. The main blades are equally spaced around the circumference of the hub. Each splitter blade is equally spaced between two adjacent main blades. Each main blade and splitter blade has suction and pressure surfaces formed in substantial compliance with normalized Cartesian coordinate values of X, Y, and Z set forth in Tables 1-4. When connected by smooth, continuing arcs, the normalized Cartesian coordinates form complete main blade and splitter blade shapes that are substantially matched by the main blade and splitter blade shapes of the compressor impeller. | 05-03-2012 |
20120117974 | AIR FLOW DELIVERY AND FUEL CONSUMPTION CONTROL FOR AIRCRAFT AIR MANAGEMENT AND AUXILIARY POWER SYSTEMS - A turbine controller controls the operation of a gas turbine generator used to drive an electric generator of an aircraft. The turbine controller controls the gas turbine generator according to air flow demand signals indicative of air flow required by an air management system that regulates cabin pressure and temperature of the aircraft. | 05-17-2012 |
20120242045 | COMBUSTOR INTERFACE SEALING ARRANGEMENT - An example method of sealing an interface within a gas turbine engine includes holding a sealing ring arrangement relative to a turbine nozzle using a flange extending from a combustor liner. The method further includes urging the sealing ring arrangement toward a sealed relationship with the turbine nozzle. | 09-27-2012 |
20120288373 | ROTOR WITH ASYMMETRIC BLADE SPACING - A turbine apparatus comprises a rotor with a hub section defined about a rotational axis and a plurality of blades attached to the hub section. The plurality of blades comprises a first group having a first angular spacing in a first circumferential sector of the rotor, and a second group having a second angular spacing in a second circumferential sector of the rotor. The first angular spacing is different from the second angular spacing, and the rotor blades are asymmetric about the rotational axis. | 11-15-2012 |
20130001009 | EDUCTOR EXHAUST SILENCER ASSEMBLY WITH BYPASS GASFLOW - An exhaust silencer assembly for use with an auxiliary power unit includes an eductor and a discharge pipe. The eductor is disposed downstream of the auxiliary power unit and has an entrance opening at a forward axial end thereof. The entrance opening is configured to receive exhaust airflow from the auxiliary power unit. The discharge pipe extends from the auxiliary power unit and communicates with the exhaust silencer assembly downstream of the entrance opening of the eductor. | 01-03-2013 |
20130017090 | SCALLOP CURVATURE FOR RADIAL TURBINE WHEELAANM Duong; Loc QuangAACI San DiegoAAST CAAACO USAAGP Duong; Loc Quang San Diego CA USAANM Hu; XiaolanAACI San DiegoAAST CAAACO USAAGP Hu; Xiaolan San Diego CA USAANM Yang; GaoAACI San DiegoAAST CAAACO USAAGP Yang; Gao San Diego CA USAANM Jones; Anthony C.AACI San DiegoAAST CAAACO USAAGP Jones; Anthony C. San Diego CA US - A turbine wheel is disposed about an axis and has a back face including a plurality of lobes disposed about a periphery of the back face. The lobes define scalloped areas therebetween. The scalloped areas are further defined by a radius BR | 01-17-2013 |
20130017091 | RADIAL TURBINE BACKFACE CURVATURE STRESS REDUCTIONAANM Duong; Loc QuangAACI San DiegoAAST CAAACO USAAGP Duong; Loc Quang San Diego CA USAANM Hu; XiaolanAACI San DiegoAAST CAAACO USAAGP Hu; Xiaolan San Diego CA USAANM Yang; GaoAACI San DiegoAAST CAAACO USAAGP Yang; Gao San Diego CA USAANM Jones; Anthony C.AACI San DiegoAAST CAAACO USAAGP Jones; Anthony C. San Diego CA US - A turbine wheel is disposed about an axis and has a back having a separator disposed thereon, an inner undercut disposed between the separator and the axis, and an outer undercut disposed between the separator and an outer periphery of the back face. The inner undercut is defined by a first radius blending toward the axis and into a first flat section, and further defined by a second radius blending into the first flat section and into the separator. | 01-17-2013 |
20130034446 | TURBINE BLADE POCKET PIN STRESS RELIEF - A turbine blade comprises an airfoil having a pressure side and a suction side, and extending from a leading edge to a trailing edge. The airfoil has a tip remote from a mounting root, and a pocket extending inwardly of the tip. The pocket has spaced walls with one wall associated with the pressure side of the airfoil, and an opposed wall associated with the suction side. A pin extends across the pocket and connects the opposed walls. A slot is formed in the pin at a location intermediate ends of the pin which connect to the opposed walls. A method for identifying a location for the pin along a distance between a leading edge and a trailing edge of the pocket utilizes a modal analysis, and seeks to find a location where both a reaction force and a moment are lower than they might be at other locations. | 02-07-2013 |
20130036730 | HYBRID POWER SYSTEM ARCHITECTURE FOR AN AIRCRAFT - A hybrid power distribution system for an aircraft generates hydraulic power from one of a plurality of power sources based on which power source provides energy most efficiently. Power sources includes an electric power distribution bus that distributes electrical energy onboard the aircraft, a pneumatic distribution channel that distributes pneumatic energy onboard the aircraft, and mechanical power provided by one or more engines associated with the aircraft. | 02-14-2013 |
20130037122 | PRESSURE INFLUENCING ASSEMBLY FOR AN AIRCRAFT AUXILIARY SYSTEM - An exemplary pressure influencing assembly for an aircraft auxiliary system an inlet opening to an aircraft auxiliary system and an exhaust opening from the aircraft auxiliary system. Both the inlet opening and the exhaust opening face at least partially radially away from an axis. At least some of the inlet opening is circumferentially aligned with at least some of the exhaust opening relative to the axis. | 02-14-2013 |
20130232981 | JET NOISE REDUCTION USING EDUCTION EFFECT - An exhaust duct through which an exhaust gas jet from a gas turbine engine flows comprises a duct wall, an inlet, an outlet and an eductor. The inlet, through which the exhaust gas jet enters the exhaust duct, is positioned at an upstream end of the exhaust duct. The outlet, through which the exhaust gas jet exits the exhaust duct, is positioned at a downstream end of the exhaust duct. The eductor is positioned proximate the downstream end. In one embodiment, the eductor comprises a perforated wall segment of the duct wall through which ambient air from outside of the duct wall is permitted to enter the exhaust duct. In yet another embodiment, the eductor is diverging. | 09-12-2013 |
20130306790 | HYBRID POWER SYSTEM ARCHITECTURE FOR AN AIRCRAFT - A hybrid power distribution system for an aircraft generates hydraulic power from one of a plurality of power sources based on which power source provides energy most efficiently. Power sources includes an electric power distribution bus that distributes electrical energy onboard the aircraft, a pneumatic distribution channel that distributes pneumatic energy onboard the aircraft, and mechanical power provided by one or more engines associated with the aircraft. | 11-21-2013 |
20140174094 | APU Exhaust Housing Perforated Ring - According to one embodiment of the present disclosure, an exhaust apparatus for an auxiliary power unit is disclosed. The exhaust apparatus may include an exhaust housing including a perforated body surrounding an exhaust airflow of the auxiliary power unit. The perforated body may include an outer surface, an inner surface, and a plurality of holes through which ambient air passes to mix with the exhaust airflow, the plurality of holes extending through the body from the outer surface to the inner surface. | 06-26-2014 |
20140208714 | Thermal Management for Gas Turbine Engine - A gas turbine engine has an inlet duct, which is configured to communicate with an inlet to a compressor. The inlet duct is further configured to communicate air outwardly of an outer casing of the gas turbine engine, and to pass the air along an axial length of the gas turbine engine to cool a component associated with the gas turbine engine. | 07-31-2014 |
Patent application number | Description | Published |
20100267643 | Chemosensory Receptor Ligand-Based Therapies - Provided herein are compositions and methods for treating diabetes, obesity, and other metabolic diseases, disorders or conditions with chemosensory receptor ligands. Also provided herein are pharmaceutical compositions useful for the methods of the present invention. | 10-21-2010 |
20110065660 | Chemosensory Receptor Ligand-Based Therapies - Provided herein are methods for treating diabetes, obesity, and other metabolic diseases, disorders or conditions comprising chemosensory receptor ligands. Also provided herein are chemosensory receptor ligand compositions and the preparation thereof for the methods of the present invention. | 03-17-2011 |
20120094942 | Chemosensory Receptor Ligand-Based Therapies - Provided herein are methods of modulating hormone concentrations in a subject comprising the administration of a composition comprising a chemosensory receptor ligand, wherein the composition is adapted to deliver the ligand to one or more regions of the intestine of said subject. Also provided are methods directed to the modulation of circulating concentrations of one or more of GLP-1 (total), GLP-1 (active), GLP-2, oxyntomodulin, PYY (total), PYY 3-36, CCK, GIP, insulin, C-peptide, glycentin, uroguanylin amylin, and ghrelin (total), ghrelin (active) and glucagon. | 04-19-2012 |
20120177730 | Chemosensory Receptor Ligand-Based Therapies - Provided herein are methods for treating conditions associated with a chemosensory receptor, including diabetes, obesity, and other metabolic diseases, disorders or conditions by administrating a composition comprising a chemosensory receptor ligand, such as a bitter receptor ligand. Also provided herein are chemosensory receptor ligand compositions, including bitter receptor ligand compositions, and methods for the preparation thereof for use in the methods of the present invention. Also provided herein are compositions comprising metformin and salts thereof and methods of use. | 07-12-2012 |
20130281387 | Chemosensory Receptor Ligand-Based Therapies - Provided herein are methods for treating conditions associated with a chemosensory receptor, including diabetes, obesity, and other metabolic diseases, disorders or conditions by administering a composition comprising a chemosensory receptor ligand. Also provided herein are chemosensory receptor ligand compositions and methods for the preparation thereof for use in the methods of the present invention. | 10-24-2013 |
20130281394 | Chemosensory Receptor Ligand-Based Therapies - Provided herein are methods for treating conditions associated with a chemosensory receptor, including diabetes, obesity, and other metabolic diseases, disorders or conditions by administering a composition comprising a chemosensory receptor ligand. Also provided herein are chemosensory receptor ligand compositions and methods for the preparation thereof for use in the methods of the present invention. | 10-24-2013 |
20130303466 | Chemosensory Receptor Ligand-Based Therapies - Provided herein are methods for treating conditions associated with a chemosensory receptor, including diabetes, obesity, and other metabolic diseases, disorders or conditions by administering a composition comprising a chemosensory receptor ligand. Also provided herein are chemosensory receptor ligand compositions and methods for the preparation thereof for use in the methods of the present invention. | 11-14-2013 |
20130338095 | Chemosensory Receptor Ligand-Based Therapies - Provided herein are methods for treating conditions associated with a chemosensory receptor, including diabetes, obesity, and other metabolic diseases, disorders or conditions by administering a composition comprising a chemosensory receptor ligand. Also provided herein are chemosensory receptor ligand compositions and methods for the preparation thereof for use in the methods of the present invention. | 12-19-2013 |
20140030332 | Chemosensory Receptor Ligand-Based Therapies - Provided herein are methods for treating conditions associated with a chemosensory receptor, including diabetes, obesity, and other metabolic diseases, disorders or conditions by administrating a composition comprising a chemosensory receptor ligand, such as a bitter receptor ligand. Also provided herein are chemosensory receptor ligand compositions, including bitter receptor ligand compositions, and methods for the preparation thereof for use in the methods of the present invention. Also provided herein are compositions comprising metformin and salts thereof and methods of use. | 01-30-2014 |
20150150894 | Chemosensory Receptor Ligand-Based Therapies - Provided herein are methods for treating diabetes, obesity, and other metabolic diseases, disorders or conditions comprising chemosensory receptor ligands. Also provided herein are chemosensory receptor ligand compositions and the preparation thereof for the methods of the present invention. | 06-04-2015 |
Patent application number | Description | Published |
20100316027 | METHOD AND APPARATUS FOR DYNAMIC AND DUAL ANTENNA BLUETOOTH (BT)/WLAN COEXISTENCE - An apparatus and method are disclosed for effectively and efficiently arbitrating concurrent usage between WLAN and Bluetooth access technologies for co-located wireless devices. A state level arbiter determines state and relevant parameters of a WLAN module and of a Bluetooth module of a wireless transceiver unit. The state level arbiter uses the state and relevant parameters to determine which access technology (WLAN or Bluetooth) or combination of the access technologies (WLAN or Bluetooth) will provide the best concurrent performance for wireless transmissions at a given time for specific Bluetooth states and WLAN states. | 12-16-2010 |
20110249603 | APPARATUS AND METHOD FOR MULTIPLE WIRELESS SERVICE COEXISTENCE - An apparatus and method for multiple wireless service coexistence comprising: engaging a first switch to connect a first service transmitter to an antenna through a first filter path and to disconnect a first service receiver from the antenna; engaging a second switch to connect a second service receiver to the antenna through a second filter path and to disconnect a second service transmitter from the antenna; enabling transmit power control on the first service transmitter; and performing one or both of the following: a) transmitting a first service transmit signal through the first filter path to the antenna with high rejection of the band of a second service; b) receiving a second service receive signal through the second filter path from the antenna with high rejection of the band of a first service. | 10-13-2011 |
20110255487 | METHODS AND APPARATUSES FOR CHANNEL SELECTION - Various methods and apparatuses for channel selection based on energy levels are disclosed. In one aspect, an apparatus for communication is disclosed, the apparatus comprising a processing system configured to determine, for each of one or more channels, a plurality of energy levels of a respective plurality of signals received via a respective plurality of beam directions and to select one of the channels based on the determined energy levels and a transceiver configured to communicate over the selected channel. | 10-20-2011 |
20120076073 | PROTECTION MECHANISMS FOR MULTI-USER MIMO TRANSMISSIONS - Certain aspects of the present disclosure relate to techniques for medium reservation in the case of multi-user (MU) communications. Multiple mechanisms are supported for protecting MU transmissions, wherein appropriate control messages can be exchanged between an access point and served user stations before transmitting downlink data packets. | 03-29-2012 |
20120076081 | PROTECTION MECHANISMS FOR MULTI-USER MIMO TRANSMISSIONS - Certain aspects of the present disclosure relate to techniques for medium reservation in the case of multi-user (MU) communications. Multiple mechanisms are supported for protecting MU transmissions, wherein appropriate control messages can be exchanged between an access point and served user stations before transmitting downlink data packets. | 03-29-2012 |
20120106371 | COLLISION DETECTION AND BACKOFF WINDOW ADAPTATION FOR MULTIUSER MIMO TRANSMISSION - Certain aspects of the present disclosure generally apply to a wireless local area network (WLAN) where an access point (AP) has data to send to multiple stations (STAs). By using the Downlink Spatial Division Multiple Access (DL-SDMA) technique, the AP may send data at the same time towards multiple STAs. Certain aspects of the present disclosure provide techniques and apparatuses for detecting that a multiuser multiple-input multiple-output (MU-MIMO) transmission has suffered a collision and to adapting a contention window (CW) size for a backoff counter applied to a subsequent MU-MIMO transmission. | 05-03-2012 |
20120294395 | CANCELLING INTERFERENCE BY DETERMINING MODULATION AND CODING INFORMATION EMBEDDED IN A RECEIVED SPATIAL STREAM - Data-directed interference cancellation involves detecting the modulation and coding embedded in an interfering spatial stream and using the detected modulation and coding for interference cancellation in conjunction with decoding another spatial stream. In an 802.11ac-based system, the modulation and coding scheme of a spatial stream is specified by a SIGB value. Upon detecting the SIGB value of an interfering spatial stream in a received signal, the modulation and coding indicated by the SIGB value is used to identify the information transmitted in the interfering spatial stream. Once this information is known, the interference caused by the transmission of this information is canceled from the received signal to improve the decoding of the other spatial stream (or streams) in the received signal. | 11-22-2012 |
20130272147 | SYSTEMS AND METHODS OF USING SPACE TIME BLOCK CODES - In a particular embodiment, a method includes applying a first stream to antenna mapping scheme to a preamble portion of a packet. The method further includes applying a second stream to antenna mapping scheme to a data portion of the packet. The second stream to antenna mapping scheme is applied to the data portion of the packet but not to the preamble portion of the packet. The second stream to antenna mapping scheme includes a circulation scheme or a cyclic delay diversity (CDD) scheme. | 10-17-2013 |
Patent application number | Description | Published |
20090062294 | HETEROARYL-SUBSTITUTED UREA MODULATORS OF FATTY ACID AMIDE HYDROLASE - Certain heteroaryl-substituted piperidinyl and piperazinyl urea compounds are described, which are useful as FAAH inhibitors. Such compounds may be used in pharmaceutical compositions and methods for the treatment of disease states, disorders, and conditions mediated by fatty acid amide hydrolase (FAAH) activity, such as anxiety, pain, inflammation, sleep disorders, eating disorders, insulin resistance, diabetes, osteoporosis, and movement disorders (e.g., multiple sclerosis). | 03-05-2009 |
20110230490 | HETEROARYL-SUBSTITUTED UREA MODULATORS OF FATTY ACID AMIDE HYDROLASE - Certain heteroaryl-substituted piperidinyl and piperazinyl urea compounds are described, which are useful as FAAH inhibitors. Such compounds may be used in pharmaceutical compositions and methods for the treatment of disease states, disorders, and conditions mediated by fatty acid amide hydrolase (FAAH) activity, such as anxiety, pain, inflammation, sleep disorders, eating disorders, insulin resistance, diabetes, osteoporosis, and movement disorders (e.g., multiple sclerosis). | 09-22-2011 |
20110237596 | HETEROARYL-SUBSTITUTED UREA MODULATORS OF FATTY ACID AMIDE HYDROLASE - Certain heteroaryl-substituted piperidinyl and piperazinyl urea compounds are described, which are useful as FAAH inhibitors. Such compounds may be used in pharmaceutical compositions and methods for the treatment of disease states, disorders, and conditions mediated by fatty acid amide hydrolase (FAAH) activity, such as anxiety, pain, inflammation, sleep disorders, eating disorders, insulin resistance, diabetes, osteoporosis, and movement disorders (e.g., multiple sclerosis). | 09-29-2011 |
20120149696 | ETHYLENE DIAMINE MODULATORS OF FATTY ACID HYDROLASE - Certain ethylene diamine compounds of Formula (I) are described, which are useful as FAAH inhibitors. Such compounds may be used in pharmaceutical compositions and methods for the treatment of disease states, disorders, and conditions mediated by fatty acid amide hydrolase (FAAH) activity, such as anxiety, pain, inflammation, sleep disorders, eating disorders, energy metabolism disorders, and movement disorders (e.g., multiple sclerosis). Methods of synthesizing such compounds are also disclosed. | 06-14-2012 |
20130245022 | HETEROARYL-SUBSTITUTED UREA MODULATORS OF FATTY ACID AMIDE HYDROLASE - Certain heteroaryl-substituted piperidinyl and piperazinyl urea compounds are described, which are useful as FAAH inhibitors. Such compounds may be used in pharmaceutical compositions and methods for the treatment of disease states, disorders, and conditions mediated by fatty acid amide hydrolase (FAAH) activity, such as anxiety, pain, inflammation, sleep disorders, eating disorders, insulin resistance, diabetes, osteoporosis, and movement disorders (e.g., multiple sclerosis). | 09-19-2013 |
20140066412 | HETEROARYL SUBSTITUTED UREA MODULATORS OF FATTY ACID AMIDE HYDROLASE - Certain heteroaryl-substituted piperidinyl and piperazinyl urea compounds are described, which are useful as FAAH inhibitors. Such compounds may be used in pharmaceutical compositions and methods for the treatment of disease states, disorders, and conditions mediated by fatty acid amide hydrolase (FAAH) activity, such as anxiety, pain, inflammation, sleep disorders, eating disorders, insulin resistance, diabetes, osteoporosis, and movement disorders (e.g., multiple sclerosis). | 03-06-2014 |
20140221310 | FLAP MODULATORS - The present invention relates to compounds of Formula (I), | 08-07-2014 |
20140221311 | FLAP MODULATORS - The present invention relates to compounds of Formula (I), | 08-07-2014 |
20140221322 | HETEROARYL SUBSTITUTED UREA MODULATORS OF FATTY ACID AMIDE HYDROLASE - Certain heteroaryl-substituted piperidinyl and piperazinyl urea compounds are described, which are useful as FAAH inhibitors. Such compounds may be used in pharmaceutical compositions and methods for the treatment of disease states, disorders, and conditions mediated by fatty acid amide hydrolase (FAAH) activity, such as anxiety, pain, inflammation, sleep disorders, eating disorders, insulin resistance, diabetes, osteoporosis, and movement disorders (e.g., multiple sclerosis). | 08-07-2014 |
20150252008 | FLAP MODULATORS - The present invention relates to compounds of Formula (I), | 09-10-2015 |
20150259357 | FLAP MODULATORS - The present invention relates to compounds of Formula (I), | 09-17-2015 |