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| Number | Title | Issue Date |
| 8167561 | Helicopter aircraft vehicle rotor damper A helicopter rotor damper system including a torsional damper with a damper centering bearing providing a damper center of rotation axis, a first elastomeric torsional damper with a first elastomeric torsional damper torsional elastomer bonded between a first elasto... | 05/01/2012 |
| 8167375 | Furniture seatback tilt recline angle limiter and method The invention provides a furniture chair seatback tilt limiter system for adjustably limiting the seatback recline of a chair. The seatback tilt limiter system includes a first gear toothed rotator with a full forward seatback upright endstop and a full recline seat... | 05/01/2012 |
| 8162606 | Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations A rotary wing aircraft including a vehicle vibration control system. The vehicle vibration control system includes a rotating hub mounted vibration control system, the rotating hub mounted vibration control system mounted to the rotating rotary wing hub with the rot... | 04/24/2012 |
| 8142687 | Method for producing heterogeneous composites A method for selecting materials and processing conditions to prepare a heterogeneous structure in situ via the reaction of a homogeneous mixture of a reactive organic compound and a filler, which may then optionally be sintered. The method is employed to provide a ... | 03/27/2012 |
| 8113321 | Helicopter reduced vibration isolator axial support strut Helicopter reduced vibration axial support struts and aircraft suspension system are disclosed with at least one vibration controlling fluid containing strut. The powered struts include an outer rigid housing containing an inner rigid member and first and second var... | 02/14/2012 |
| 8100009 | Method and apparatus for balancing A balance assembly for a rotating assembly comprising: a first movable rotor and a second movable rotor which are selectively movable about the rotating assembly; and a controller with a microprocessor operating with stored control programs for controlling movement ... | 01/24/2012 |
| 8090482 | Distributed active vibration control systems and rotary wing aircraft with suppressed vibrations An aircraft with an aerostructure and at least one rotating machine creating troublesome vibrations, with the aircraft including a power source outputting electromagnetic force generator power outputs, a first and second distributed active vibration electromagnetic ... | 01/03/2012 |
| 8062541 | Non-settling glycol based magnetorheological fluids A magnetorheological fluid comprising magnetic-responsive particles, a thickener, an ionic thixotropic additive, and a carrier fluid wherein the carrier fluid comprises a glycol-water mixture comprising at least 50 percent by weight of a glycol compound. The thicken... | 11/22/2011 |
| 8033358 | Noise controlled turbine engine with aircraft engine adaptive noise control tubes An aircraft turbine engine with a takeoff fan speed and a landing fan speed, the aircraft engine includes a fan duct with a HQ (Herschel-Quincke) acoustic control noise reduction tube. The acoustic control noise reduction tube contains a movable frequency tuner obst... | 10/11/2011 |
| 8020807 | Aircraft front nose landing gear and method of making an aircraft landing gear An aircraft vehicular front wheel landing gear assembly is provided that includes a nonelastomeric outer upper strut tubular member having an inner axial center bore with a tubular cylindrical frictional interface inner surface segment, and a nonelastomeric inner lo... | 09/20/2011 |
| 8002252 | Engine mount and elastomeric element thereof An isolation mount for supporting and isolating one part from another includes an inner member formed to be connected to one of the parts and an outer member formed to be connected to one of the parts. The inner member has a first and a second inner plates being con... | 08/23/2011 |
| 7968624 | Highly filled polymer materials A highly filled system is provided which employs the combination of coated filler particles and a compatibilizer to allow extremely high filler loading while maintaining a low viscosity. The compositions of the present invention allows a filler level which was previ... | 06/28/2011 |
| 7942633 | Helicopter vibration control system and rotary force generator for canceling vibrations Helicopter rotating hub mounted vibration control system for a rotary wing hub having periodic vibrations while rotating at an operational rotation frequency. The vibration control system includes a housing attachable to the rotary wing hub and rotating with the hub... | 05/17/2011 |
| 7931258 | Fluid-elastomeric damper assembly including internal pumping mechanism A fluid-elastomeric damper assembly operable for damping relative motion between a first structure and a second structure including a housing structure grounded to the first structure and a plurality of elastomer seals coupled to the housing structure, the housing s... | 04/26/2011 |
| 7925392 | Aircraft vehicular propulsion system monitoring device and method Methods and systems for monitoring rotating shaft shafts and couplings in an aircraft propulsion system is described. The measurement system/method provides for accurate and precise monitoring of a rotating shaft flexible coupling in a fixed wing aircraft vehicle pr... | 04/12/2011 |
| 7900754 | Rotating tub washer binary damper system The invention provides a rotating tub washer with an on-off binary damper system for damping a problematic movement between the washer frame and the rotating tub. The on-off binary damper system has a friction pad and a housing friction damper surface, with the fric... | 03/08/2011 |
| 7896747 | Tiltrotor aircraft drivelink Tiltrotor aircraft drivelink includes a nonelastomeric outer drivelink member with a first linkend and a distal second linkend. The tiltrotor aircraft drivelink first linkend has a first linkend cavity with a first linkend cavity inner circumferential bonding surfac... | 03/01/2011 |
| 7878448 | Aircraft auxiliary power unit suspension system for isolating an aircraft auxiliary power unit The invention provides an aircraft with an auxiliary power unit isolated from the aircraft. An auxiliary power unit suspension system includes at least one suspension linkage. The suspension linkage terminates with a first low stiffness elastomeric rod end. The low ... | 02/01/2011 |
| 7866025 | Rotary wing aircraft rod end and method of making a helicopter vehicle rod end with a precocked orientation The invention provides a rotary wing aircraft helicopter vehicle rod end and method of making a rod end. The rotary wing aircraft rod end includes a nonelastomeric inner member having an outer bonding surface segment and an axial bore with a center bore axis, a none... | 01/11/2011 |
| 7861413 | Method of making a dozer maintenance repair for a dozer equalizer link using an elastomeric bearing assembly A moving tracks dozer equalizer link elastomeric bearing assembly including a concentric outer member operable for securely engaging a equalizer link bore structure associated with a first end portion of an equalizer link structural member, wherein the concentric ou... | 01/04/2011 |
| 7849983 | Controllable vehicle suspension system with a controllable magnetorheological fluid strut The controllable suspension system includes a strut with a magnetorheological fluid damper. The magnetorheological fluid damper includes a longitudinal damper tubular housing having a longitudinally extending axis and an inner wall for containing magnetorheological ... | 12/14/2010 |
| 7820747 | Method for preparing adhesives from stable butadiene polymer latexes An aqueous composition that includes (A) a butadiene polymer latex that is prepared by an emulsion polymerization in the presence of a styrene sulfonate stabilizer and (B) a phenolic resin. A preferred aqueous butadiene polymer latex is one that is prepared by emuls... | 10/26/2010 |
| 7789407 | Vehicle with elastomeric bearing suspension system and elastomeric bearing therefor A vehicle suspension system for large vehicles includes at least one elastomeric bearing. The bearing includes at least one substantially cylindrical elastomeric portion, at least one substantially frustospherical elastomeric portion, and at least one non-extensible... | 09/07/2010 |
| 7788808 | Method of making an equipment engine mounting system An equipment engine mounting system/method for mounting an equipment engine to an equipment frame. The equipment engine mounting system includes a first engine mount disposed between the equipment engine and the equipment frame, including a first engine mount nonext... | 09/07/2010 |
| 7722322 | Computer system and program product for controlling vibrations The computer programmable system and program product include first program instructions for actively driving a first imbalance mass concentration rotor and a second imbalance mass concentration rotor at a vibration canceling rotation frequency while controlling the ... | 05/25/2010 |
| 7717013 | Rotating machine active balancer and method of dynamically balancing a rotating machine shaft with torsional vibrations An active balancer for dynamically balancing a rotating machine is provided. The active balancer has a balancer body which rotates with the rotating machine and at least one controllable position counter weight having a real-time adjustable position relative to the ... | 05/18/2010 |
| 7686246 | Method and system for controlling helicopter vibrations A method/system for controlling helicopter vibrations is provided that includes a vibration canceling force generator for actively generating a vibration canceling force. The system includes a resonant actuator having a natural resonant frequency and a resonant actu... | 03/30/2010 |
| 7637360 | System comprising magnetically actuated motion control device A system that includes a magnetically actuated motion control device comprising a housing defining a cavity and including a slot therethrough. A movable member is located within the cavity and is movable relative to the housing. A magnetic field generator located on... | 12/29/2009 |
| 7578465 | Aircraft front nose landing gear and method of making an aircraft landing gear An aircraft vehicular front wheel landing gear assembly is provided that includes a nonelastomeric outer upper strut tubular member having an inner axial center bore with a tubular cylindrical frictional interface inner surface segment, and a nonelastomeric inner lo... | 08/25/2009 |
| 7571876 | Aircraft landing gear assembly shimmy damper An aircraft vehicular assembly is provided that includes a nonelastomeric outer tubular member having an inner axial center bore with a tubular cylindrical frictional interface contiguous smooth inner surface segment, and a nonelastomeric inner member having an oute... | 08/11/2009 |
| 7566099 | Furniture seatback tilt recline angle limiter and method The invention provides a furniture chair seatback tilt limiter system for adjustably limiting the seatback recline of a chair. The seatback tilt limiter system includes a first gear toothed rotator with a full forward seatback upright endstop and a full recline seat... | 07/28/2009 |
| 7560519 | Dual-stage wafer applied underfills A 100% non-volatile, one-part liquid underfill encapsulant is disclosed for application to the active side of a large wafer or integrated circuit chip. Upon coating, the encapsulant is converted to a liquefiable, tack-free solid by exposure to radiation, particularl... | 07/14/2009 |
| 7454970 | Method and apparatus for balancing A balanced rotating assembly with a spindle automatically provides balancer limits, which achieves a balancing state while substantially minimizing short term vibration increases and which provides for multi-plane balancer dithering. ... | 11/25/2008 |
| 7448854 | Helicopter vibration control system and rotary force generator for canceling vibrations Helicopter rotating hub mounted vibration control system for a rotary wing hub having periodic vibrations while rotating at an operational rotation frequency. The vibration control system includes a housing attachable to the rotary wing hub and rotating with the hub... | 11/11/2008 |
| 7389162 | Aircraft vehicular propulsion system monitoring device and method Methods and systems for monitoring rotating shaft shafts and couplings in an aircraft propulsion system is described. The measurement system/method provides for accurate and precise monitoring of a rotating shaft flexible coupling in a fixed wing aircraft vehicle pr... | 06/17/2008 |
| 7370829 | Method and system for controlling helicopter vibrations A method/system for controlling helicopter vibrations is provided that includes a vibration canceling force generator for actively generating a vibration canceling force. The system includes a resonant actuator having a natural resonant frequency and a resonant actu... | 05/13/2008 |
| 7370397 | Tool kit and method for repairing a damage vehicle body member with a hem flange A method and kit for repairing vehicle door skins by reorienting vehicle hem flanges from a closed orientation to an open orientation to allow removal of a damaged door skin from a door frame and replacing with a new door skin with an open orientation hem flange tha... | 05/13/2008 |
| 7368174 | Aqueous dispersion coating composition having noise and/or friction abatement properties An aqueous dispersion coating for rubber and polymer substrates comprises a blend of a polysiloxane and a curable polyurethane and various additives such as a urethane crosslinking agent, a heat resistant filler, and the like. The aqueous dispersion coating reduces ... | 05/06/2008 |
| 7326755 | Coolant resistant and thermally stable primer composition A coolant-resistant and thermally stable primer composition comprising an organic-functional silane, preferably the reaction product of at least one amino-functional silane and at least one isocyanato-functional silane, is provided. The primer composition may additi... | 02/05/2008 |
| 7316389 | Vibration isolation member A vibration isolation member comprising an inner member comprising an outer periphery having a first dimension; an outer member comprising a base and a shroud that extends away from the base, the shroud adapted to overlay the inner member, said shroud defining an in... | 01/08/2008 |
