Patent application number | Description | Published |
20090014581 | Counter-Torque Device for a Helicopter - A ducted fan for a helicopter includes a transverse duct and a counter-torque device supported within the duct. The counter-torque device includes a rotor rotatably mounted within the duct and a stator fixedly mounted within the duct downstream from the rotor. The rotor includes a rotor hub having a rotor axis, and rotor blades extending from the hub. The Rotor blades have a modulated angular distribution about the rotor axis. The stator includes a stator hub, and a plurality of stator vanes distributed around the stator hub. The stator vanes are angularly modulated around the stator hub. | 01-15-2009 |
20100314492 | Multiple Drive-Path Transmission with Torque-Splitting Differential Mechanism - A transmission for a rotary-wing aircraft has a differential torque-splitting mechanism associated with an input shaft. The differential has a drive disk coaxial with the shaft and integral in rotation with the shaft, a first driven member coaxial with the shaft and generally adjacent the drive disk, and a second driven member coaxial with the shaft and generally adjacent the drive disk. At least one pin engages each of the drive disk, the first driven member, and the second driven member. The first driven member is configured to drive a first transfer gear, and the second driven member is configured to drive a second transfer gear for supplying torque to a bull gear associated with a rotor mast. | 12-16-2010 |
20120180597 | Multiple Drive-Path Transmission with Torque-Splitting Differential Mechanism - A transmission for a rotary-wing aircraft has a differential torque-splitting mechanism associated with an input shaft. The differential has a drive disk coaxial with the shaft and integral in rotation with the shaft, a first driven member coaxial with the shaft and generally adjacent the drive disk, and a second driven member coaxial with the shaft and generally adjacent the drive disk. At least one pin engages each of the drive disk, the first driven member, and the second driven member. The first driven member is configured to drive a first transfer gear, and the second driven member is configured to drive a second transfer gear for supplying torque to a bull gear associated with a rotor mast. | 07-19-2012 |
20130032664 | COUNTER-TORQUE DEVICE FOR A HELICOPTER - A ducted fan for a helicopter includes a transverse duct and a counter-torque device supported within the duct. The counter-torque device includes a rotor rotatably mounted within the duct and a stator fixedly mounted within the duct downstream from the rotor. The rotor includes a rotor hub having a rotor axis, and rotor blades extending from the hub. The Rotor blades have a modulated angular distribution about the rotor axis. The stator includes a stator hub, and a plurality of stator vanes distributed around the stator hub. The stator vanes are angularly modulated around the stator hub. | 02-07-2013 |
20140133979 | Constant Velocity Joint with Control Mechanism - According to one embodiment, a constant velocity (CV) joint includes a first yoke, a second yoke, and a control mechanism. The first yoke is configured to be rotatably coupled to an input device about a first axis and configured to receive the input device through a first opening. The second yoke is rotatably coupled to the first yoke about a second axis and rotatably coupled to an output device about a third axis. The control mechanism is adapted to constrain the first yoke and the second yoke so as to achieve a substantially CV characteristic between the input device and the output device. | 05-15-2014 |
Patent application number | Description | Published |
20100327123 | Rotorcraft with Variable Incident Wing - A twin-rotor side-by-side compound rotorcraft has a fuselage and variable incident wing assembly that pivots relative to fuselage. The aircraft also has landing gear assembly and a tail fin assembly. The variable incident wing assembly is pivotally attached to the fuselage, and includes wing members, engines fixedly mounted to the wing members or another area of the rotorcraft, and a mast attached at a fixed angle relative to the wing members. Then engines may also be located near the fuselage or another area of the rotorcraft. The variable incident wing assembly is capable of pivoting about a pivot axis, thereby allowing mast orientation in at least a hover mast position and a forward flight mast position. The rotors provide additional forward thrust and the wings provide additional lift, when the mast is in the forward flight mast position. | 12-30-2010 |
20120292456 | Method and Apparatus for In-Flight Blade Folding - A foldable rotor system for a rotorcraft, the foldable rotor system comprising a rotor assembly operably associated with a driveshaft, the driveshaft being operable associated with an engine, the rotor assembly comprising a rotor blade connected to a grip pin. A swashplate is operable associated with the grip pin in order selectively change a pitch of the rotor blade. A blade fold actuator is operably associated with the grip pin such that the blade fold actuator is configured to fold and unfold the rotor blade about a blade fold axis. During an airplane mode, the rotorcraft can stop and fold the rotor blades so that the rotorcraft relies upon thrust from the engine for propulsion. The rotor blades are folded in a spiral fold path so that the rotor blades remain substantially edgewise, or feathered, during the folding process. The spiral fold path minimizes the aerodynamic drag experienced by the rotor blades while being folded during flight of the rotorcraft. | 11-22-2012 |
20120318910 | Propulsive Anti-Torque Nozzle System with External Rotating Sleeve for a Rotorcraft - The system of the present application includes a system duct in fluid communication with a tailboom duct, the system duct having a downstream portion with an anti-torque cutout and a pro-torque cutout. The system further includes an anti-torque nozzle exteriorly proximate to the anti-torque cutout and a pro-torque nozzle exteriorly proximate to the pro-torque cutout. A rotating sleeve is configured to selectively allow airflow into at least one of the anti-torque nozzle and the pro-torque nozzle. A thrust nozzle is in fluid communication with the system duct. An upper clamshell and a lower clamshell are each configured to selectively control airflow in the thrust nozzle. | 12-20-2012 |
20130256465 | Rotorcraft with Variable Incident Wing - A twin-rotor side-by-side compound rotorcraft has a fuselage and variable incident wing assembly that pivots relative to fuselage. The aircraft also has landing gear assembly and a tail fin assembly. The variable incident wing assembly is pivotally attached to the fuselage, and includes wing members, engines fixedly mounted to the wing members or another area of the rotorcraft, and a mast attached at a fixed angle relative to the wing members. Then engines may also be located near the fuselage or another area of the rotorcraft. The variable incident wing assembly is capable of pivoting about a pivot axis, thereby allowing mast orientation in at least a hover mast position and a forward flight mast position. The rotors provide additional forward thrust and the wings provide additional lift, when the mast is in the forward flight mast position. | 10-03-2013 |
20140084080 | Infrared Suppressing Exhaust System - A method of managing aircraft exhaust includes providing hot air at a hot air mass flow rate, providing cold air at a cold air mass flow rate, and mixing the hot air and the cold air at a variable hot air mass flow rate to cold air mass flow rate ratio, wherein the variable hot air mass flow rate to cold air mass flow rate ratio is selectively maintained independent of at least one of (1) a variation in the hot air mass flow rate and (2) a variation in a translational speed of the aircraft. | 03-27-2014 |
20140263820 | Autorotative Enhancement System - Embodiments refer generally to systems and methods for providing autorotative enhancement for helicopters using an autorotative assist unit coupled to the transmission of the helicopter. Methods of utilizing an autorotative assist unit as well as retrofitting an autorotative assist unit to an existing helicopter are also disclosed. By employing an autorotative assist unit, improved autorotation may be achieved without the need to increase the weight of the rotor. | 09-18-2014 |
20150274287 | Speed Control Assembly and Methods of Using Same - A speed control assembly includes an input drive shaft coupled to a first gear subassembly having a rotatable gear, a second gear subassembly coupled to an output drive shaft, and a linkage coupling the first and second gear subassemblies, wherein the input drive shaft, the first and second gear subassemblies, and the linkage are configured such that a rotational speed of the rotatable gear adjusts a ratio of a rotational speed of the output drive shaft to a rotational speed of the output drive shaft. In some embodiments, the first gear subassembly includes a sun gear coupled to the input drive shaft, one or more planet gears, and a ring gear as the rotatable gear. In some embodiments, the second gear subassembly includes a sun gear coupled to the output drive shaft, one or more planet gears, and a fixed ring gear. | 10-01-2015 |
20160059957 | AUTOROTATIVE ENHANCEMENT SYSTEM - Embodiments refer generally to systems and methods for providing autorotative enhancement for helicopters using an autorotative assist unit coupled to the transmission of the helicopter. Methods of utilizing an autorotative assist unit as well as retrofitting an autorotative assist unit to an existing helicopter are also disclosed. By employing an autorotative assist unit, improved autorotation can be achieved without the need to increase the weight of the rotor. | 03-03-2016 |
Patent application number | Description | Published |
20080286450 | Method and composition for reducing waste in photo-imaging applications - Waste reduction, including hazardous waste reduction in photoimaging processes can be accomplished by improving diffusional resolution of cationic curable compositions. The addition of fluorinated polymers including fluorinated surfactants provides improved diffusional resolution in cationic and/or radical based photoimaging formulations allowing for image accuracy improvements, and reduced product and process waste quantity and disposal cost. These fluorinated surfactants also allow for increased cure speed, and non-hazardous constituent formulations that result in less wasted material and time. | 11-20-2008 |
20100001437 | METHOD AND COMPOSITION FOR REDUCING WASTE IN PHOTO-IMAGING APPLICATIONS - Waste reduction, including hazardous waste reduction in photoimaging processes can be accomplished by improving diffusional resolution of cationic curable compositions. In preferred embodiments stereolithographic articles are formed with a reduced production of waste by forming an article from a cationic composition; removing excess composition from the formed article using an air knife or liquid C0 | 01-07-2010 |
20100201019 | Method and composition for reducing waste in photo-imaging applications - Waste reduction, including hazardous waste reduction in photoimaging processes can be accomplished by improving diffusional resolution of cationic curable compositions. The addition of fluorinated polymers including fluorinated surfactants provides improved diffusional resolution in cationic and/or radical based photoimaging formulations allowing for image accuracy improvements, and reduced product and process waste quantity and disposal cost. These fluorinated surfactants also allow for increased cure speed, and non-hazardous constituent formulations that result in less wasted material and time. | 08-12-2010 |
20120178020 | METHOD AND COMPOSITION FOR REDUCING WASTE IN PHOTO-IMAGING APPLICATIONS - Waste reduction, including hazardous waste reduction in photoimaging processes can be accomplished by improving diffusional resolution of cationic curable compositions. The addition of fluorinated polymers including fluorinated surfactants provides improved diffusional resolution in cationic and/or radical based photoimaging formulations allowing for image accuracy improvements, and reduced product and process waste quantity and disposal cost. These fluorinated surfactants also allow for increased cure speed, and non-hazardous constituent formulations that result in less wasted material and time. | 07-12-2012 |
Patent application number | Description | Published |
20100246312 | SYSTEM, METHOD AND APPARATUS FOR ENTRAINING AIR IN CONCRETE - A method of preparing a concrete composition includes utilizing a controller to control a process including circulating process water in a process water supply loop for a predetermined period while monitoring and controlling the temperature and flow rate of the process water, circulating aqueous-based air entrainment solution in an aqueous-based air entrainment solution supply loop for the predetermined period and controlling the flow rate of the aqueous-based air entrainment solution and after the predetermined period of time in which the flow of process water and aqueous-based air entrainment solution have stabilized, simultaneously actuating valves to divert and mix the process water, the aqueous-based air entrainment solution and compressed air to produce an air-entrained foam and mixing the foam with a concrete composition. | 09-30-2010 |
20130148459 | SYSTEM, METHOD AND APPARATUS FOR ENTRAINING AIR IN CONCRETE - A method of preparing a concrete composition includes utilizing a controller to control a process including circulating process water in a process water supply loop for a predetermined period while monitoring and controlling the temperature and flow rate of the process water, circulating aqueous-based air entrainment solution in an aqueous-based air entrainment solution supply loop for the predetermined period and controlling the flow rate of the aqueous-based air entrainment solution and after the predetermined period of time in which the flow of process water and aqueous-based air entrainment solution have stabilized, simultaneously actuating valves to divert and mix the process water, the aqueous-based air entrainment solution and compressed air to produce an air-entrained foam and mixing the foam with a concrete composition. | 06-13-2013 |
20130180717 | SYSTEM, METHOD AND APPARATUS FOR ENTRAINING AIR IN CONCRETE - A method of preparing a concrete composition for downhole injection includes utilizing a controller to control a process including circulating process water in a process water supply loop for a predetermined period while monitoring and controlling the temperature and flow rate of the process water, circulating aqueous-based air entrainment solution in an aqueous-based air entrainment solution supply loop for the predetermined period and controlling the flow rate of the aqueous-based air entrainment solution and after the predetermined period of time in which the flow of process water and aqueous-based air entrainment solution have stabilized, simultaneously actuating valves to divert and mix the process water, the aqueous-based air entrainment solution and compressed air to produce an air-entrained foam and mixing the foam with a concrete composition to be deployed downhole. | 07-18-2013 |
Patent application number | Description | Published |
20130116208 | ADMINISTRATION OF A NEDD8-ACTIVATING ENZYME INHIBITOR AND HYPOMETHYLATING AGENT - The present disclosure relates to methods for the treatment of cancer in patients in recognized need of such treatment. The methods comprise administering to such a patient an NAE inhibitor or a pharmaceutically acceptable salt thereof, such as ((1S,2S,4R)-4-(4-((1S)-2,3-dihydro-1H-inden-1-ylamino)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2-hydroxycyclopentyl)methyl sulfamate (MLN4924) or {(1S,2S,4R)-4-[(6-{[(1R,2S)-5-chloro-2-methoxy-2,3-dihydro-1H-inden-1-yl]amino}pyrimidin-4-yl)oxy]-2-hydroxycyclopentyl}methyl sulfamate (I-216), and a hypomethylating agent or a pharmaceutically acceptable salt thereof, such as azacitidine or decitabine. Also disclosed are medicaments for use in the treatment of cancer. | 05-09-2013 |
20150030601 | E1 ENZYME MUTANTS AND USES THEREOF - The invention provides isolated nucleic acids molecules, designated UBA3, UAE, or UBA6, or other E1 enzyme variant nucleic acid molecules, which encode novel E1 enzyme variant proteins. The invention also provides antisense nucleic acid molecules, recombinant expression vectors containing UBA3, UAE, or UBA6, or other E1 enzyme variant nucleic acid molecules, host cells into which the expression vectors have been introduced, and nonhuman transgenic animals in which a UBA3, UAE, or UBA6, or other E1 enzyme variant gene has been introduced or disrupted. The invention still further provides isolated UBA3, UAE, or UBA6, or other E1 enzyme variant proteins, fusion proteins, antigenic peptides and anti-UBA3, UAE, or UBA6, or other E1 enzyme variant antibodies. The invention provides methods to identify agents that inhibit UBA3, UAE, or UBA6, or other E1 enzyme variant expression or activity. Diagnostic and therapeutic methods utilizing compositions of the invention are also provided. | 01-29-2015 |
20150105411 | BIOMARKERS OF RESPONSE TO NAE INHIBITORS - Disclosed herein are markers whose mutational status is associated with sensitivity to treatment with NAE inhibitors. Mutational status is determined by measurement of characteristics of markers associated with the marker genes. Compositions and methods are provided to assess markers of marker genes to predict response to NAE inhibition treatment. | 04-16-2015 |
20150119410 | BIOMARKERS OF RESPONSE TO NAE INHIBITORS - Disclosed herein are markers whose mutational status is associated with sensitivity to treatment with NAE inhibitors. Mutational status is determined by measurement of characteristics of markers associated with the marker genes. Compositions and methods are provided to assess markers of marker genes to predict response to NAE inhibition treatment. | 04-30-2015 |
20150366886 | ADMINISTRATION OF NEDD8-ACTIVATING ENZYME INHIBITOR AND HYPOMETHYLATING AGENT - The present disclosure relates to methods for the treatment of cancer in patients in recognized need of such treatment. The methods comprise administering to such a patient an NAE inhibitor or a pharmaceutically acceptable salt thereof, such as ((1S,2S,4R)-4-(4-((1S)-2,3-dihydro-1H-inden-1-ylamino)-7H-pyrrolo[2,3-d]pyrimidin-7-yl)-2-hydroxycyclopentyl)methyl sulfamate (MLN4924) or {(1S,2S,4R)-4-[(6-{[(1R,2S)-5-chloro-2-methoxy-2,3-dihydro-1H-inden-1-yl]amino}pyrimidin-4-yl)oxy]-2-hydroxycyclopentyl)methyl sulfamate (I-216), and a hypomethylating agent or a pharmaceutically acceptable salt thereof, such as azacitidine or decitabine. Also disclosed are medicaments for use in the treatment of cancer. | 12-24-2015 |