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| 20090074338 | Auxiliary rotary bearing system - For machinery comprising rotary components attached to at least one drive shaft, at least one rotary bearing to position the drive shaft with a rotational freedom of movement about a drive shaft axis and associated stationary components with at least one predetermined clearance from the rotary components, apparatus to prevent the rotary components from contacting the stationary components upon failure of the bearing, comprises: a rotary backup bearing sleeve attached to the drive shaft proximate the bearing comprising a rotary radial surface relative to the drive shaft axis and a rotary axial surface relative to the drive shaft axis; and a stationary backup bearing collar mounted proximate the rotary backup bearing sleeve comprising a stationary radial surface relative to the drive shaft axis proximate the rotary radial surface with a predetermined axial clearance and a stationary axial surface relative to the drive shaft axis proximate the rotary radial surface with a predetermined axial clearance; wherein the rotary backup bearing sleeve contacts the stationary backup bearing collar upon failure of the bearing and the predetermined axial and radial clearances limit deviation of the rotary components to less than the predetermined clearance from the stationary components. | 03-19-2009 |
| 20090078496 | Mixed-flow exhaust silencer assembly - An exhaust silencer assembly comprising a casing having an exhaust gas entrance opening, an exhaust gas exit opening, and a cooling air inlet opening, and an acoustic-attenuating porous liner disposed within an interior chamber of the casing, thereby dividing the interior chamber into an inner region located between the exhaust gas entrance opening and the exhaust gas exit opening, and an outer region located between the acoustic-attenuating porous liner and the casing, where the cooling air inlet opening is located at the outer region. | 03-26-2009 |
| 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 |
| 20110142653 | TWO PIECE IMPELLER - A compressor impeller includes a hub and a plurality of blades. The hub is formed of first forged portion and a second forged portion that are bonded together. The first forged portion is comprised of a first alloy and the second forged portion is comprised of a second alloy that has lower fracture toughness than the first alloy. The blades are integral with and extend from the hub and are formed from the first forged portion. The hub is formed from both the first forged portion and the second forged portion. | 06-16-2011 |
| 20110308229 | ROTATING CATCHER FOR IMPELLER CONTAINMENT - An impeller for use in a containment structure has a hub, a blade attaching to the hub for compressing air as the blade rotates with the hub, and an annulus disposed about the hub whereby the annulus reduces an effect of the hub breaking apart such that a weight of the containment structure is reduced. | 12-22-2011 |
| 20120324905 | APU FUEL SYSTEM AND METHOD - A control disclosed herein for providing fuel to an auxiliary power unit (“APU”) includes a constant speed electrical motor, a first pump driven by the motor; and, a second pump driven by the motor wherein the electric motor, the first pump and the second pump provide fuel at sufficient pressure/flow capacity to run the APU. | 12-27-2012 |
| 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 |
| 20130068704 | FUEL SYSTEM ICE SEPARATOR - An example ice separator device includes an ice separator that removes ice particles from a flow of fuel moving through the ice separator. | 03-21-2013 |
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| 20090221989 | SYSTEM AND METHOD FOR THE PREVENTION AND TREATMENT OF BACTERIAL AND FUNGAL INFECTIONS INCLUDING URINARY TRACT INFECTIONS (UTI) USING A HYPOHALOUS ACID COMPOSITION - Disclosed is a system that prevents the development of infection and biofilm establishment in medical devices in general, and in particular Urinary Tract Infections (UTI), including Catheter-Associated Urinary Tract Infections (CAUTI). The system comprises of a medical device (such as a catheter) and an antimicrobial composition containing an antimicrobial compound. A medical device delivers the composition both to the inside and/or outside portions of the device, as well as to the inside of the bladder itself and to the urethra. Reduction or elimination of the infection may be accomplished by irrigating the medical device, bathing the bladder, or irrigating the bladder with the composition. | 09-03-2009 |
| 20100010456 | System and Method for the Prevention of Bacterial and Fungal Infections Including Urinary Tract Infection (UTI) Using N-Halogenated Amino Acids - Disclosed is a system that prevents the development of infection and biofilm establishment in medical devices in general, and in particular Urinary Tract Infections (UTI), including Catheter-Associated Urinary Tract Infections (CAUTI). The system comprises a medical device (such as a catheter) and an antimicrobial composition containing an antimicrobial compound. A medical device delivers the composition both to the inside and/or outside portions of the device, as well as to the inside of the bladder itself and to the urethra. Reduction or elimination of the infection may be accomplished by irrigating the medical device, bathing the bladder, or irrigating the bladder with the composition. | 01-14-2010 |
| 20120282351 | System and Method for The Prevention of Bacterial and Fungal Infections Including Urinary Tract Infections (UTI) Using N-Halogenated Amino Acids - Disclosed is a system that prevents the development of infection and biofilm establishment in medical devices in general, and in particular Urinary Tract Infections (UTI), including Catheter-Associated Urinary Tract Infections (CAUTI). The system comprises a medical device (such as a catheter) and an antimicrobial composition containing an antimicrobial compound. A medical device delivers the composition both to the inside and/or outside portions of the device, as well as to the inside of the bladder itself and to the urethra. Reduction or elimination of the infection may be accomplished by irrigating the medical device, bathing the bladder, or irrigating the bladder with the composition. | 11-08-2012 |
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| 20100321121 | FLEXIBLE LOW CURRENT OSCILLATOR FOR MULTIPHASE OPERATIONS - An oscillator includes a reference stage and multiple phase stages. The reference stage has a reference transistor having a gate coupled to a voltage reference and a drain coupled to a reference current source. Each phase stage includes a transistor, two current sources, a capacitor, switch, inverter, and latch. The transistor has a drain coupled to a first current source, a gate coupled to a node and a source coupled to the reference transistor's source. The capacitor and switch couple between the node and ground. The second current source couples to the node. The transistor's drain couples to the inverter's input. The inverter's output couples to the latch's set input. The latch's output couples to the switch. The inverter output also couples to the reset input of a subsequent phase stage's latch. The inverter output for a last stage couples to the reset input of a first stage latch. | 12-23-2010 |
| 20100327914 | Accurate Hysteretic Comparator and Method - A hysteretic comparator is proposed for comparing input signals and producing an output signal VOT with a hysteresis window V | 12-30-2010 |
| 20110006853 | MULTI MODE MODULATOR AND METHOD WITH IMPROVED DYNAMIC LOAD REGULATION - A dual mode modulator is proposed for driving a power output stage having a serial connection of high-side power FET and low-side power FET. The dual mode modulator includes a PWM modulator operating under a PWM-frequency and a PFM modulator for controlling the power output stage. To improve the dynamic load regulation of the dual mode modulator, a dynamic frequency booster can be added to the dual mode modulator to boost up the PWM-frequency from its normal operating frequency during a PFM-to-PWM mode transition period. Secondly, a dynamic slew rate booster can be added to boost up an error amplifier slew rate of the PWM modulator from its normal operating slew rate during the mode transition period. Thirdly, a dynamic turn-off logic circuit can be added to turn off the low-side power FET during the mode transition period. | 01-13-2011 |
| 20110095833 | FLEXIBLE LOW CURRENT OSCILLATOR FOR MULTIPHASE OPERATIONS - A method for generating an oscillator signal uses a multiphase oscillator having a plurality of input stages and a reference stage. Each input stage produces an input stage voltage that represents a phase for the oscillator. The input stage voltages produced by each of the input stages are compared to a reference voltage produced by the reference stage. An input stage having a maximum input stage voltage is selected and an output of the selected input stage having the maximum input stage voltage is changed. A current need of the oscillator is detected with a negative feedback loop coupled to the reference stage. An appropriate supply current is provided to each input stage with the negative feedback loop. | 04-28-2011 |
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| 20110058972 | SCROLL COMPRESSOR CAPACITY MODULATION WITH SOLENOID MOUNTED OUTSIDE A COMPRESSOR SHELL - At least one bypass opening is formed in a base of a scroll member, and communicates with at least one compression chamber. The bypass opening communicates with a passage leading to a suction pressure chamber within a compressor shell. A valve includes an element electrically powered to move between a first position at which it blocks flow of refrigerant from the bypass port to the passage leading to the suction pressure chamber, and a second position at which it allows flow of refrigerant between the bypass port and the passage leading to the suction pressure chamber. A portion of the valve, which is electrically powered, is mounted outside of the compressor shell. | 03-10-2011 |
| 20110135509 | SCROLL COMPRESSOR CAPACITY MODULATION WITH HYBRID SOLENOID AND FLUID CONTROL - A scroll compressor includes a compressor shell having first and second scroll members. The scroll members each have a base and a generally spiral wrap extending from its base. The generally spiral wraps of the first and second scroll members interfit to define compression chambers. A shaft causes the second scroll member to orbit relative to the first scroll member. At least one bypass port is formed in a base of one scroll member, and communicates with at least one of the compression chambers. The bypass port communicates with a passage leading to a suction pressure chamber within the compressor shell. A solenoid valve is movable between a reduced capacity position and a full capacity position, and selectively supplies a pressurized fluid to a fluid valve associated with the bypass port, such that movement of the solenoid can control whether the bypass port is open or closed. | 06-09-2011 |
| 20110308621 | SERVO VALVE - The invention provides a servo valve with a main piston and a servo piston. The servo piston controls a pressure in a servo chamber and thereby controls movement of the main piston based on a pressure difference between two chambers of the valve. To facilitate opening of the valve by relatively small pressures even in high pressure systems, the servo chamber according to the invention is provided inside the armature. | 12-22-2011 |
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| 20080284660 | PLANAR ANTENNA - A planar antenna having top and bottom nominally planar conductors that are oriented substantially planarly parallel and form an antenna interior region. The top conductor includes two radiating conductors each having an inner end and a distal end. A feed extends from outside of the planar antenna, through the antenna interior region, and to the top conductor. The feed includes a balun and has a first feed conductor that connects to the inner end of the first radiating conductor and a second feed conductor that connects to the inner end of the second radiating conductor. | 11-20-2008 |
| 20080316138 | BALANCE-FED HELICAL ANTENNA - An antenna having a cylindrical shaped dielectric core region that defines top, bottom, and side surfaces. Two laterally opposed conductive linking tracks are provided at the top or bottom surface and connect to respective groups of conductive antenna elements which extend across the top (or bottom surface) and at least partially down (or up) the side surface. A balun having two input terminals and two output terminals is provided at the top (or bottom) surface such that a feed line having two conductors extending from outside of the antenna connect respectively to the input terminals and the output terminals each connect respectively to a linking track. | 12-25-2008 |
| 20090033580 | RFID Antenna - An antenna particularly suitable for use in radio frequency identification (RFID) transponders. First and second half portions each include nominally straight conductive sections primarily defining a radiating characteristic and nominally spiral conductive sections creating a positive reactive characteristic of the antenna. The straight conductive sections have feed points for connecting the antenna into the RFID transponder, and further connect with the respective spiral conductive sections. The first and said second half portions characterize the antenna as being a dipole type, and adding an optional loop section connecting the straight conductive sections can further characterize it as being of a folded dipole type. | 02-05-2009 |
| 20090109096 | Multi-Band or Wide-Band Antenna - A monopole-type antenna ( | 04-30-2009 |
| 20090128440 | BALANCED ANTENNA - An antenna. A base body made of a dielectric material is provide, wherein the base body has a bottom surface and an opposed top surface. A conductive layer of a conductive material is provided on the bottom surface of the base body. Two dipole conductors are provided that form a dipole on the top surface of the base body, wherein the dipole conductors are at least partially spiral shaped and have opposite directions. A balun is provided that has a feed conductor section and two ground conductor sections that are all substantially parallel. The balun receives an unbalanced signal from a feed line, transforms this signal, and provides it to the dipole conductors via the feed and ground conductor sections. | 05-21-2009 |
| 20110105019 | RADIO AND ANTENNA SYSTEM AND DUAL-MODE MICROWAVE COUPLER - A radio and antenna system has a first microwave radio, second microwave radio, a first antenna and a dual mode coupler that has a first dual mode transmission line extending between a first port and a third port and a second dual mode transmission line extending between a second port and a microwave absorbing termination. The first microwave radio is coupled to the first port. The second microwave radio is coupled to the second port. The antenna is coupled to the third port. The first dual mode transmission line is coupled to the second dual mode transmission line so that microwave signals in either of the first dual mode transmission line and the second dual mode transmission line propagates microwave signals in the other of the first dual mode transmission line and the second dual mode transmission line. | 05-05-2011 |
