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| Number | Title | Issue Date |
| 5485084 | Apparatus and method for detecting structural cracks using a movable detector A device for detecting hidden cracks in a structure includes a hand-held probe which is moved over the surface of the structure. The probe is connected to a computer terminal which also has connected thereto a monitor and a keyboard. Changes in the eddy c... | 01/16/1996 |
| 5463317 | Shield integrity monitor An apparatus which can non-intrusively verify the integrity of shielding on electrical wiring. The method utilizes the natural resonance of the voltage transfer function of the shielded wire. The frequency of this resonance is an indication of the self in... | 10/31/1995 |
| 5444505 | Method for controlling projection of optical layup template A projection system having a process utilizing three-dimensional data, thereby allowing the system to account for rotational and translational differences between the projector and the object upon which the laser light is directed. Reference sensors locat... | 08/22/1995 |
| 5326604 | Thermal protection sleeve for reducing overheating of wire bundles utilized in aircraft application An electrical cable having a wire bundle core surrounded by a thermal and chafe protection sleeve, the thermal and chafe protection sleeve consisting of a sandwich structure having an additional outer layer of fiberglass lacing tape and a fluorosilicone f... | 07/05/1994 |
| 5296853 | Laser ice detector A detector system for detecting the formation of ice on an aircraft outer surface, e.g. wing skin. The ice detector system utilizes a light source, light detector and temperature sensor coupled together for providing signals representative of icing which ... | 03/22/1994 |
| 5283430 | Optical frequency encoding for normal shock and position sensing having a broadband light source and a color gradient filter Optical frequency encoding for normal shock and position sensing where the modulated signal is coupled to a single fiber as a sum total of all the wavelength components.... | 02/01/1994 |
| 5255876 | Linear lift and counterbalance aircraft passenger door Method and apparatus for vertically lifting a main entry door in an aircraft in order to clear stop fittings and open outward. A hollow shaft having a counterbalance spring and piston therein, which shaft is mounted in a hinge arm and is rotated via a dri... | 10/26/1993 |
| 5241135 | Connector grounding terminal A brass strap is utilized as a common grounding bar for the shields of a plurality of coaxial cables. The individual coaxial cables pass through holes in the common grounding bar, and the inner conductors are connected to the pins of a printed circuit boa... | 08/31/1993 |
| 5238220 | Manually and electrically controlled butterfly valve A butterfly valve is utilized to control air flow in the environmental control air distribution system of an aircraft. A linkage system enables the valve to be manually controlled under normal conditions but to be shut off remotely in case of an emergency... | 08/24/1993 |
| 5228541 | Aircraft brake wear limit indicator having integral configuration control and method A brake wear limit indicator which is matched to the brake energy capacity of the overhauled brake. A wear limit bushing is attached to the brake piston housing. The bushing length is chosen based on the brake energy capacity of the brake and is marked wi... | 07/20/1993 |
| 5220455 | Passive, gravity referencing, fluid damped, two stage pendulum optical mount A mount for use by optical elements in a laser tooling alignment system. The mount provides a high degree of isolation from external rotational disturbances about any horizontal axis (i.e., pitch and roll) by retaining optical components in a fixed relati... | 06/15/1993 |
| 5202186 | Thermal protection sleeve for reducing overheating of wire bundles utilized in aircraft applications An electrical cable having a wire bundle core surrounded by a thermal protection sleeve, the thermal protection sleeve consisting of a sandwich structure of a laminate of silicone foam provided on both sides with an acrylic adhered layer of fiber glass, t... | 04/13/1993 |
| 5183413 | Modular, circular, environment resistant electrical connector assembly having retention clips for manually or automatically loading of electrical contacts An electrical connector modularly arrayed wherein electrical contacts either manual or automatic assemble through a grommet assembly into retention clips.... | 02/02/1993 |
| 5162769 | Coaxial electromagnetic swage coil An electromagnetic coil configuration used for swaging small tubing. The coil consists of a coaxial arrangement of an inner helical coil and an outer coil shaped as a hollow cylinder with one end open and the other end closed and connected by direct elect... | 11/10/1992 |
| 5161922 | Electronic micro-stop/tool failure monitor Electronic measuring and control of countersinking depth and/or failure of a drilling tool. Eddy current proximity detecting means is utilized for stopping and retracting the countersink drilling process after a pre-selected depth is achieved wherein a vi... | 11/10/1992 |
| 5161754 | Safety device for pressure bottle firing lanyard A safety device for an aircraft inflatable escape slide which functions to prevent inadvertent inflation of the slide during shipping. The safety device incorporates a rotatable hook means which retains the firing lanyard in a fixed position and is adapte... | 11/10/1992 |
| 5163107 | Fiber optic coupler/connector with GRIN lens A robust optic fiber coupler which connects to an optic fiber cable via a quick disconnect optic fiber connector. The robust coupler contains a GRIN lens positioned in a bore through the coupler axially aligned with the optic fiber. The GRIN lens acts to ... | 11/10/1992 |
| 5159865 | Vibration driven hot knife for separating bonded assemblies A portable hand-cutting tool having a pair of perpendicularly arranged handles which is used for separating the trailing edge of bonded elevator or rudder skin panels following removal from an aircraft for repair. The tool features an electrically heated ... | 11/03/1992 |
| 5149563 | Method for electrostatically coating plaster mandrels A method for electrostatically coating plaster mandrels by making the mandrels electrically conductive, thereby facilitating electrostatic painting or spraying, by embedding a ground strap into the mandrel which is in an electrically conductive "green" or... | 09/22/1992 |
| 5127678 | Airhose damage protection Airhose coupling device including end fittings and quick disconnect release switches having protection for preventing damage to surfaces coming in contact therewith.... | 07/07/1992 |
| 5122724 | Inrush current limiter A circuit for limiting the inrush current in DC to DC and DC to AC power supplies. The circuit utilizes a small capacitor for taking a charge which slowly turns on a FET transistor placed in series with a large filter capacitor; the slowly reducing resist... | 06/16/1992 |
| 5116094 | Apparatus and method for handling honeycomb core A plurality of gripper modules positioned in space apart relationship along a frame member provide an end-of-arm tool. A pair of gripper modules disposed on opposite sides of the end-of-arm tool each support a Hall effect sensor which is coupled through a... | 05/26/1992 |
| 5099572 | Method of assembling an electrical connector assembly An electrical connector modularly arrayed for ease in manual and automatic fabrication and assembly of wire bundle assemblies. Increased structural strength, elimination of snap ring, straight bore inside diameter, the addition of an insert alignment key,... | 03/31/1992 |
| 5088191 | Modular, circular, environment resistant electrical connector assembly having retention clips for manually or automatically loading of electrical contacts An electrical connector modularly arranged wherein electrical contacts either manual or automatic assemble though a grommet assembly into retention clips.... | 02/18/1992 |
| 5086953 | Self metering countersink sealant tip A self metering countersink sealant tip for dispensing sealant in a ring like pattern on the inside surface of a countersunk hole. The seal tip with a pilot and an integral shoulder has two check valves that are utilized on a one step operation for dispen... | 02/11/1992 |
| 5049768 | Reducing engine noise by active oscillatory torque control Noise and vibration in a structure are reduced through application to the structure of an oscillatory torque. An electromechanical energy converter provides the oscillatory torque when the input signal to the electromechanical energy converter has a frequ... | 09/17/1991 |
| 5031102 | Method and apparatus for aircraft pitch and thrust axes control An aircraft automatic or semiautomtic vertical path control system which coordinates operation of pitch and engine thrust control systems to transfer speed control from one system to the other depending on a requirement to climb, descend, or maintain alti... | 07/09/1991 |
| 4975020 | Honeycomb core gripper apparatus A device for lifting up a single sheet of honeycomb core material from a stock having a pair of opposite facing jaws with angled and hooked teeth. The hooked teeth provide a method whereby insertion into the honeycomb and subsequent spreading of teeth per... | 12/04/1990 |
| 4958794 | Dual purpose alignment bracket for use with laser or optical scope An alignment bracket assembly utilized to support a laser or scope alignment system during routine inspection of large assembly tools such as aircraft wing tools. The instrument such as laser or optical scope is secured by means of a bungee cord so as to ... | 09/25/1990 |
| 4918629 | Engine trim tachometer unit and calibration method An engine trim tachometer capable of use with a variety of aircraft engines. More particularly, the present tachometer unit is characterized by a plurality of separately operating engine speed parameter measuring channels, an engine variety selection swit... | 04/17/1990 |
| 4915326 | Aircraft exit door locking system An aircraft exit door locking system in which an exit door is automatically locked depending on three dissimilar inputs to a logic system. The inputs are provided from acceleration, pressure, and motion sensors and are utilized in a manner whereby any two... | 04/10/1990 |
| 4908618 | Abnormal start advisory system (ASAS) for aircraft engines Flight deck information warning system for notifying the flight crew of abnormal engine operating conditions in the sub-idle region. The warning system is responsive to signals representative of engine exhaust temperature, engine core rotor speed, total a... | 03/13/1990 |
| 4875372 | Echo cancellation system An ultrasonic inspection system for composite materials capable of detecting flaws near the surface of the inspected part which flaws are normally masked by strong reflections from the part surface. An electronic signal representative of the strong surfac... | 10/24/1989 |
