Patent application number | Description | Published |
20150305573 | BATHTUB CLOSURE SYSTEMS - Embodiments described herein include a bathtub closure system having a step, the step having a first side panel, a second side panel, and an elongated platform defining a cavity, where the cavity is configured to facilitate ingress and egress into a bathtub, and a first attachment recess defined by the step. The bathtub closure system having a plug, the plug including a body having a first side, a second side, and a bottom portion, and a first attachment member corresponding to the first attachment recess defined by the step, where the plug cooperates with the step to form a substantially watertight seal when the first attachment member is mated with the first attachment recess and the body of the plug is positioned at least partially within the cavity defined by the step. | 10-29-2015 |
20150335206 | BATHTUB SYSTEMS AND METHODS - Embodiments described herein include a bathtub closure system having a step, the step having a first side panel, a second side panel, and an elongated platform defining a cavity, where the cavity can be configured to facilitate ingress and egress into a bathtub. The bathtub closure system can include a closure, where the closure can be coupled with the step and can cooperate with the step to form a substantially watertight seal when the closure is in a closed position. The bathtub closure system can include a support portion, where the support portion can be co-molded with the step and have a substantially U-shaped configuration extending in a generally downward direction from the step to support the step during use. | 11-26-2015 |
Patent application number | Description | Published |
20090004526 | PROTON EXCHANGE MEMBRANE FOR FUEL CELL - A proton exchange membrane (PEM) with an ion exchange capacity of not less than 1 molar equivalent per kilogram and less than 20% water swelling is provided. The PEM includes a polymer having a polyphosphazene backbone with a polyaromatic functional group linked to the polyphosphazene as a polyaromatic side chain, a non-polyaromatic functional group linked to the polyphosphazene as a non-polyaromatic side chain, and an acidic functional group linked to the non-polyaromatic side chain. The polyaromatic functional group linked to the polyphosphazene provides for increased thermal and chemical stability, excellent ionic conductivities and low water swelling. The mole fraction of polyaromatic functional groups linked to the polyphosphazene backbone is between 0.05 and 0.60. | 01-01-2009 |
20090068524 | ANHYDROUS PROTON CONDUCTOR BASED ON HETEROCYCLE ATTACHED TO A POLYMER BACKBONE - The invention relates to proton-conducting polymers, including tetrazole-containing polymers. Proton-conducting membranes useful for fuel cell applications are formed from mixtures of a polymer with one or more non-aqueous proton sources. In representative examples of the present invention, tetrazole groups are attached to a polymer backbone such as polyphosphazene, the tetrazole groups interacting with the proton source. | 03-12-2009 |
20100209780 | HIGH VOLTAGE ELECTROLYTE (Muldoon, Allred) - A battery that includes a cathode, anode and an electrolytic solution containing an organic electrolyte solvent including a compound of the formula: R | 08-19-2010 |
20110008680 | HIGH VOLTAGE ELECTROLYTE - An organic electrolyte solvent includes a compound of the formula: R | 01-13-2011 |
20110104366 | METHOD OF CHEMICAL PROTECTION OF METAL SURFACE - A process for forming a protective layer on a metal surface includes the steps of: providing a metal material having an oxygen containing layer; applying at least two compounds to the oxygen containing layer of the metal material wherein a first compound applied is a molecularly large compound; and applying at least a second compound to the oxygen containing layer of the metal material wherein the second compound is molecularly small. | 05-05-2011 |
20110244338 | ELECTROLYTE FOR A MAGNESIUM SULFUR BATTERY - An electrochemical device, having an anode containing magnesium; a cathode stable to a voltage of at least 3.2 V relative to a magnesium reference; and an electrolyte obtained by admixture of a magnesium salt of a non-nucleophilic base comprising nitrogen and aluminum trichloride in an ether solvent is provided. As sulfur is stable to a voltage of at least 3.2 V relative to a magnesium reference, a magnesium-sulfur electrochemical device is specifically provided. | 10-06-2011 |
20110262804 | ELECTROCHEMICAL DEVICE WITH A MAGNESIUM ANODE AND A STABLE, SAFE ELECTROLYTE COMPATIBLE WITH SULFUR - An electrochemical device, having an anode containing magnesium; a cathode stable to a voltage of at least 3.2 V relative to a magnesium reference; and an electrolyte containing an electrochemically active magnesium salt obtained by mixing an organic magnesium compound with an aluminum compound in an ether solvent and separation of the electrochemically active salt from the reaction mixture is provided. The separated electrochemically active salt is stable and safe to handle in comparison to conventional Grignard based electrolyte systems. | 10-27-2011 |
20120107698 | ELECTROCHEMICAL DEVICE WITH A MAGNESIUM ANODE AND A STABLE, SAFE ELECTROLYTE COMPATIBLE WITH SULFUR - An electrochemical device, having an anode containing magnesium; a cathode stable to a voltage of at least 3.2 V relative to a magnesium reference; and an electrolyte containing a solvent and a LiCl complex of a magnesium halide salt of a sterically hindered secondary amine is provided. In a preferred embodiment the electrolyte contains tetrahydrofuran and 2,2,6,6-tetramethylpiperidinyl-magnesium chloride-lithium chloride complex. | 05-03-2012 |
20130004830 | HIGH VOLTAGE RECHARGEABLE MAGNESIUM CELL - A high voltage rechargeable magnesium cell includes an anode and cathode housing. A magnesium metal anode is positioned within the housing. A high voltage electrolyte is positioned proximate the anode. A metal oxide cathode is positioned proximate the high voltage electrolyte. The magnesium cell includes a multi-cycle charge voltage up to at least 3.0 volts and includes a reversible discharge capacity. | 01-03-2013 |
20130034780 | ELECTROLYTE FOR MAGNESIUM BATTERY - A magnesium battery, having an anode containing magnesium; a cathode stable to a voltage of at least 2.6 V relative to a magnesium reference; and an electrolyte containing an electrochemically active magnesium salt obtained by reaction of a Grignard reagent or Hauser base with a boron compound of formula BR | 02-07-2013 |
20140031193 | PHOTOCATALYTIC METHODS FOR PREPARATION OF ELECTROCATALYST MATERIALS - The invention relates to methods and structures of metal particles on a support material, including platinum-containing nanoparticles on a carbon support. Such materials can be used as electrocatalysts, for example as improved electrocatalysts in polymer electrolyte membrane fuel cells (PEM-FCs). | 01-30-2014 |
20140141157 | CHEMICAL PROTECTION OF METAL SURFACE - An electrochemical cell includes an anode having a metal material having an oxygen containing layer. The electrochemical cell also includes a cathode and an electrolyte. The anode includes a chemically bonded protective layer formed by reacting a D or P block precursor with the oxygen containing layer. | 05-22-2014 |
20140234707 | CARBON-SULFUR COMPOSITES ENCAPSULATED WITH POLYELECTROLYTE MULTILAYER MEMBRANES - A carbon-sulfur composite coated with a membrane containing alternating layers of oppositely charged polyelectrolytes is provided. A cathode containing the coated carbon-sulfur composite and a battery constructed with the cathode are also provided. | 08-21-2014 |
Patent application number | Description | Published |
20080213135 | Wireless enabled device - The invention described herein provides an embedded wireless device such as a RFID tag molded into separate housing formed of any thermoplastic material compatible to that of the plastic material as the device to which the housing is to be attached. Subsequently, the housed tag assembly can be thermally bonded onto the device through many means which are well known and accepted in the industry. | 09-04-2008 |
20080257813 | Cassette-style filtration apparatus - A filtration apparatus is provided wherein a filtration membrane is positioned by gaskets on feed plates and filtrate plates rather than being bonded thereto. | 10-23-2008 |
20090311776 | Stirred tank bioreactor - The present invention is a disposable bioreactor formed of molded plastic. The bioreactor is presterilized and has a top and body sealed to each other. One or more ports are formed in the top and side of the housing. Preferably at least one port is below the liquid/air level for the housing. The one or more ports that are below the liquid/air interface level may be used as sampling ports or access ports for probes or drains or supply ports for liquids or gases. The bioreactor provides a direct retrofit for the existing glass or steel assembly that utilizes the existing support structures and controls. The molded design overcomes issues of discontinuity, dead spots and the like due to its fixed dimensions that are built in by the molding process. Reproducible probe and other equipment location is also guaranteed through the use of the molded port features. The molded plastic allows for greater flexibility in material selection to reduce or eliminate lipid or cholesterol binding. | 12-17-2009 |
20150210973 | Stirred Tank Bioreactor - The present invention is a disposable, presterilized bioreactor formed of molded plastic, having a top and body attached to each other. One or more ports are formed in the top, side and bottom of the housing. The one or more ports that are below the liquid/air interface level may be used as sampling ports, access ports for probes or drains or supply ports for liquids or gases. The bioreactor provides a direct retrofit for the existing glass or steel assembly that utilizes the existing support structures and controls. The molded design overcomes issues of discontinuity, dead spots and the like due to its fixed dimensions that are built in by the molding process. Reproducible probe and other equipment locations are guaranteed through the use of the molded port features. | 07-30-2015 |
Patent application number | Description | Published |
20100149025 | GPS RECEIVER RAIM WITH SLAVED PRECISION CLOCK - A method and a system for providing a substituted timing signal for a missing satellite ephemeris in execution of a RAIM algorithm includes deriving a plurality of position, velocity, and time solutions from a GPS navigation system. The position, velocity and time solutions are derived from a plurality of satellite ephemerides. An atomic clock provides an atomic clock signal. The atomic clock signal is compared to the derived time solutions to arrive at a correction factor. The atomic clock signal is adjusted according to the correction factor to develop an adjusted atomic clock signal. The adjusted atomic clock signal is substituted for a missing satellite ephemeris to execute the RAIM algorithm. | 06-17-2010 |
20130063132 | LINEAR POSITION SENSOR - In general, the disclosure is directed to techniques for determining the position of a piston within a linear actuator, such as a hydraulic cylinder, in a more cost effective and less labor-intensive fashion compared to current techniques for determining the position of a piston within a linear actuator. One or more magnets may be operably coupled to the piston, and a linear array of sensors may be disposed along an exterior length of the linear actuator. The sensors may measure the magnetic field generated by the magnet and, based on the measured magnetic field, may determine the location of the piston within the linear actuator. | 03-14-2013 |
20130126615 | BAR CODE READERS AND METHODS OF READING BAR CODES - Bar code readers and methods of reading bar codes are described herein. One device includes a camera configured to produce a motion invariant image of a bar code while the bar code is in motion and a processor configured to deblur the motion invariant image of the bar code. | 05-23-2013 |
20150042829 | MOTION DEBLURRING - Motion de-blurring systems and methods are described herein. One motion de-blurring system includes an image sensing element, one or more motion sensors in an imaging device, a lens element that undergoes motion during a capture of an image by the sensing element, and a de-blurring element to de-blur the image captured by the sensing element via de-convolving a Point Spread Function (PSF). | 02-12-2015 |
20160134254 | PARAMETER SCANNED TUNABLE ANTENNA - Generally discussed herein are techniques, software, apparatuses, and systems configured for tuning an antenna. In one or more embodiments, a method can include sending, by processing circuitry, one or more signals to an antenna tuner to sweep the tuner through a plurality of tuner states, determining a plurality of power values, each power value corresponding to a signal received from an antenna and each power value corresponding to the tuner being in a state of the plurality of tuner states, and sending one or more signals to the tuner to set the tuner to a tuner state of the plurality of tuner states, the tuner state determined using the determined powers. | 05-12-2016 |
Patent application number | Description | Published |
20090097468 | WIRELESS NETWORKS FOR HIGHLY DEPENDABLE APPLICATIONS - A wireless communication system comprises one or more control units operable to transmit control signals, a plurality of actuators responsive to the control signals, and a plurality of sensors operable to transmit sensor data used by the one or more control units in generating the control signals. Each of the sensors, actuators, and one or more control units are located at a fixed position in the system relative to one another. Each of the plurality of sensors and each of the plurality of actuators are coupled to at least one of the one or more control units via a plurality of wireless paths. Each of the plurality of sensors are operable to transmit the sensor data in an assigned time slot to at least one of the one or more control units over a plurality of wireless channels in each of the plurality of wireless paths. The number of channels in each of the plurality of wireless paths is determined based, at least in part, on a worst-case estimate of potential interference, and each of the plurality of sensors is operable to pseudo-randomly switch the plurality of channels over which the sensor data is transmitted. | 04-16-2009 |
20090097531 | SYSTEM AND METHODS FOR SECURING DATA TRANSMISSIONS OVER WIRELESS NETWORKS - A method of communicating over a network for wireless communications is disclosed. The method transmits encoded data from a source device to a destination device via a single path up through a plurality of wireless paths using a random frequency hopping tuning pattern for wireless communications, and pseudo-randomly varies dwell times of the frequency hopping tuning pattern over which the data is transmitted. The network uses forward-error correction coding redundancy within a data burst to allow recovery of corrupted data in any partially jammed hop of the transmitted data. | 04-16-2009 |
20090146894 | RECONFIGURABLE ANTENNA STEERING PATTERNS - A method of configuring a reconfigurable antenna is disclosed. The method selects an antenna configuration pattern based on previously identified antenna configuration patterns where the previously identified antenna configuration patterns have known signal beam pattern characteristics. The method applies reconfigurable antenna steering patterns based on the selected configuration pattern to configure a reconfigurable antenna. | 06-11-2009 |
20090146895 | RECONFIGURABLE ANTENNA PATTERN VERIFICATION - A method of verifying programmable antenna configurations is disclosed. The method comprises selecting a desired antenna configuration from a plurality of antenna configuration patterns, with the selected antenna configuration forming at least one reconfigurable antenna from reconfigurable antenna array elements. The method validates the formation of the selected antenna configuration to determine antenna performance of the at least one reconfigurable antenna. | 06-11-2009 |
20100085236 | TRANSPONDER-BASED BEACON TRANSMITTER FOR SEE AND AVOID OF UNMANNED AERIAL VEHICLES - A transponder-based beacon transmitter system in an unmanned aerial vehicle is provided. The transponder-based beacon transmitter system comprises a global positioning system interface communicatively coupled to receive position information indicative of a current location of the unmanned aerial vehicle, a message formatter communicatively coupled to the global positioning system interface, and a transponder-based beacon transmitter. The message formatter formats vehicle identification of the unmanned aerial vehicle and the position information indicative of the current location of the unmanned aerial vehicle into an automatic dependent surveillance broadcast mode-select squitter message. The message formatter operates in one of a military mode, a National Airspace System mode, and a combined military/National Airspace System mode. The transponder-based beacon transmitter transmits the automatic dependent surveillance broadcast mode-select squitter messages from the unmanned aerial vehicle. Receivers in the vicinity of the unmanned aerial vehicle receive unsolicited vehicle identification and location of the unmanned aerial vehicle. | 04-08-2010 |
20130293223 | TECHNIQUES FOR CALIBRATING A LINEAR POSITION SENSOR - Techniques are described for sensing a position of an object located within an enclosure over a position range. The techniques include generating an expected output signal of each of a plurality of magnetic field sensors disposed along an outer surface of the enclosure, receiving actual output signals from the sensors, wherein each actual output signal indicates a relative proximity of a magnetic target coupled to the object to the corresponding sensor. The techniques further include superimposing the expected output signal over the actual output signals, and iteratively shifting the expected output signal over position relative to the actual output signals and comparing the shifted expected output signal to the actual output signals, until the expected output signal compared to the actual output signals corresponds to a substantially minimized error parameter. The position of the object may then be determined based at least in part on the shifted expected output signal. | 11-07-2013 |
Patent application number | Description | Published |
20090205341 | GAS TURBINE ENGINE WITH TWIN TOWERSHAFT ACCESSORY GEARBOX - A gas turbine engine includes a high towershaft driven by a high pressure spool and a low towershaft driven by a low pressure spool. | 08-20-2009 |
20090260365 | Augmentor Spray Bar Mounting - A gas turbine engine augmentor has a centerbody within a gas flowpath from upstream to downstream. The augmentor has upstream and downstream shell sections, a downstream rim of the upstream shell section meeting an upstream rim of the downstream shell section shell section. A plurality of vanes are positioned in the gas flowpath outboard of the centerbody. An augmentor spray bar fuel conduit extends through the centerbody and a first of the vanes to deliver fuel to the centerbody. A seal is mounted to the spray bar and positioned in a recess extending from at least one of the downstream rim of the upstream shell section and upstream rim of the downstream shell section shell section. The seal has a first portion and a second portion engaging the first portion in a backlocked interfitting. | 10-22-2009 |
20110223026 | GAS TURBINE ENGINE COMPRESSOR AND TURBINE SECTION ASSEMBLY UTILIZING TIE SHAFT - A gas turbine engine has a compressor section carrying a plurality of compressor rotors and a turbine section carrying a plurality of turbine rotors. The compressor rotors and the turbine rotors are constrained to rotate with the tie shaft. An upstream hub provides an upstream abutment face for the compressor rotors. A downstream hub bounds the downstream end of the compressor rotor to bias the compressor rotors against the upstream hub using an abutment member. The downstream hub has a rearwardly extending arm which provides a stop for the turbine rotors. A second abutment member is tightened on the tie shaft to force the turbine rotors against the downstream hub to hold together the turbine rotors. | 09-15-2011 |
20130042630 | GAS TURBINE ENGINE ACCESSORY MOUNT - A gas turbine engine accessory mount comprises a bracket fixedly attached to the engine's case, a link adapted for connection to the accessory and bracket and a fastener such as a pin disposed with a frangible fuse bushing, the pin and fuse bushing being received within aligned apertures in the link and bracket such that deflections and distortions of the engine case due to abnormal operating conditions of the engine such as a rotor imbalance due to separation of a blade therefrom, result in a shearing of the fuse busing thereby dissipating energy associated with the case deflections and distortions and isolating the fastener, link and accessory from the case deflections and distortions. | 02-21-2013 |
20130089432 | SHAFT ASSEMBLY FOR A GAS TURBINE ENGINE - A shaft assembly for a gas turbine engine that includes a shaft with a threaded shaft segment, an annular rotor disposed on the shaft, and annular stack nut. The stack nut includes a base nut segment and a clamping nut segment. The base nut segment includes a threaded nut bore that is mated with the threaded shaft segment. The clamping nut segment axially extends from the base nut segment to a load bearing surface. The clamping nut segment includes a radial thickness that decreases as the clamping nut segment extends from the load bearing surface towards the base nut segment. The load bearing surface exerts a force against the rotor securing the rotor to the shaft. | 04-11-2013 |
20130195647 | GAS TURBINE ENGINE BEARING ARRANGEMENT INCLUDING AFT BEARING HUB GEOMETRY - An example gas turbine engine includes a housing and first and second spools coaxial with one another and arranged within the housing. The first spool is arranged within the second spool and extends between forward and aft ends. The aft end extends axially beyond the second spool. First and second bearings support the aft end of the first spool relative to the housing. An example method of assembling the gas turbine engine includes arranging a first spool within a second spool. First and second bearings are mounted between an aft end of the first spool and a fixed housing. | 08-01-2013 |
20130319011 | GEARED ARCHITECTURE CARRIER TORQUE FRAME ASSEMBLY - A fan drive gear system for a gas turbine engine includes a carrier supporting circumferentially arranged gears within gear mount sections spaced circumferentially about a periphery. A shelf is disposed between each of the gear mounting sections. A torque frame is attached to the carrier and includes circumferentially arranged finger sections. Each of the finger sections includes first and second ends that are spaced apart to receive the shelf. A pin extends through openings in the shelf and first and second ends to secure the torque frame to the carrier. | 12-05-2013 |
20140075951 | MID-TURBINE FRAME BUFFER SYSTEM - A mid-turbine frame buffer system for a gas turbine engine includes a mid-turbine frame that supports a shaft by a bearing. An air compartment and a bearing compartment are arranged radially inward of the mid-turbine frame. The bearing compartment is arranged within the air compartment and includes first and second contact seals arranged on either side of the bearing. The air compartment includes multiple air seals. A high pressure compressor is fluidly connected to the air compartment and is configured to provide high pressure air to the air compartment. A method of providing pressurized air to a buffer system includes sealing a bearing compartment with contact seals, surrounding the bearing compartment with an air compartment, and supplying high pressure air to the air compartment. | 03-20-2014 |
20150052873 | TORQUE CONNECTOR LUBRICATION SCUPPERS - A turbofan engine includes a fan rotatable about an axis, a compressor section, a combustor in fluid communication with the compressor section, a turbine section in fluid communication with the combustor, a fan drive gear system including a carrier for supporting a plurality of gears, and a scupper capturing lubricant during gear operation and directing lubricant into the carrier. A fan drive gear system is also disclosed. | 02-26-2015 |
20150219011 | DUAL OIL SUPPLY TUBE - The present disclosure relates generally to a dual oil supply tube for a gas turbine engine. The dual oil supply tube locates a scheduled damper supply tube inside a compartment oil supply tube which remains full while the engine is operating. | 08-06-2015 |
20150240660 | BUFFER AIRFLOW TO BEARING COMPARTMENT - A seal support and duct assembly of a gas turbine engine includes a seal support housing disposed about a central axis, a duct housing attached to the seal support housing, the duct housing and the seal support housing defining the seal support and duct assembly, an outer annular cavity, an inlet that supplies the outer annular cavity with cooling buffer air, an inner annular cavity disposed radially inward of the outer annular cavity, a first plurality of outlets that provide the cooling buffer air from the outer annular cavity to the inner annular cavity, and a second plurality of outlets that provide the cooling buffer air from the inner annular cavity to an area surrounding a bearing compartment. | 08-27-2015 |
20160069212 | OIL TRANSFER BEARING - A transfer bearing assembly includes a transfer bearing shaft. An oil transfer bearing surrounds the transfer bearing shaft. A radially extending tube is attached to the transfer bearing shaft and is configured to engage a carrier on a speed reduction device. | 03-10-2016 |