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| Number | Title | Issue Date |
| 6036409 | Blind hole self-collet countersink This invention is a portable pneumatic cutter tool for cutting countersinks into a workpiece 17 having pre-drilled holes 15. When pressure is applied, a piston return cylinder 57 and a feed rate cylinder 79 are also pressurized, which sets a body piston 7... | 03/14/2000 |
| 5915653 | Spherical mating fairings for hingeline applications The invention is an aircraft two part hinge line fairing design for preventing physical interference between the two fairing parts while eliminating unacceptable gaps between the the two fairing parts. The problems are made worse by the fact that the hing... | 06/29/1999 |
| 5893534 | Structural apparatus and design to prevent oil can movement of webs in aircraft pressure bulkheads The problem solved by this invention is to eliminate an oil can movement of the web of an aircraft pressurized bulkhead. A hat section support stiffener is attached to the web by an adhesive. Two end brackets are attached by Hi-Loc bolts to bulkhead stiff... | 04/13/1999 |
| 5797573 | Non-penetration clip attachment A molded clip for attaching wire bundles and the like to aircraft stringers is described. The clip has two major parts, each of which has a matching 45° inclined surface. When a vertically aligned bolt that connects the two parts is tightened, the bottom... | 08/25/1998 |
| 5686907 | Skew and loss detection system for individual high lift devices This invention is a method and apparatus for determining whether or not auxiliary airfoils on an aircraft wing are skewed or lost. It employs either of two types of systems and their associated computer monitor and control requirements. One system utilize... | 11/11/1997 |
| 5680680 | Removable multifunctional aircraft clip Disclosed is an aircraft clip for attaching insulation blankets and other nonstructual items, such as wire bundles and hydraulic conduits, to structural members. The clip has a molded plastic shaped base and a "T" shaped grip rotatably connected to the ba... | 10/28/1997 |
| 5680124 | Skew and loss detection system for adjacent high lift devices This invention is a method and apparatus for determining whether or not auxiliary airfoils on an aircraft wing are skewed or lost. It employs either of two types of systems and their associated computer monitor and control requirements. One system utilize... | 10/21/1997 |
| 5628477 | Auxiliary airfoil lost motion detector and actuator Apparatus for detecting and signaling a skewing or misalignment of adjacent aircraft leading edge slats is disclosed. A cable is attached to an actuator having a compression spring system and located in an outboard slat. The cable passes through cable gui... | 05/13/1997 |
| 4825375 | Apparatus and methods for apportioning commands between aircraft flight control surfaces A controller for apportioning high amplitude and low amplitude control signals between two aircraft control surfaces, such as for example, between an elevator and an associated movable horizontal stabilizer. The signals are separated along a first path an... | 04/25/1989 |
| 4671734 | Dual turbine drive A pair of cold air driven tubines are mounted in-line with each turbine driving one of two coaxial drive shafts. Each drive shaft is independently supported and separate drive air is supplied to each turbine such that the direction and speed of rotation o... | 06/09/1987 |
| 4662587 | Composite for aircraft wing and method of making A pair of specially reinforced skin-spar joints in combination with a honeycomb core are used to build up a wing spar for a composite airplane wing. A series of contoured mandrels with a covering of fuel resistant material and a wrapped reinforced plastic... | 05/05/1987 |
| 4589074 | Multiple channel power line monitor A power line monitor capable of monitoring multiple power lines simultaneously includes a channel circuit for each monitored line, a common logic circuit and control logic. The signal on each power line is analog-to-digital converted and stored in channel... | 05/13/1986 |
| 4583169 | Method for emulating a Boolean network system Switches, manually operable to produce a desired logic signal level, are user assigned to represent the various variable inputs to a Boolean network. Indicators are user assigned to represent the logic state of outputs from the network. Process logic is u... | 04/15/1986 |
| 4576347 | Flap torque tube slot seal An inboard wing trailing edge flap of an aircraft has a flap carriage mechanism located within the fuselage or a fuselage/wing fairing structure, and the flap is attached to the carriage by a torque tube which penetrates the side of the fuselage. A slot i... | 03/18/1986 |
| 4571084 | Tube end squareness projector apparatus An optical inspection device for measuring the squareness of tube cuts. The optical inspection apparatus includes a tube guide for permitting rotation of the tube whereby its end wall thickness is positioned in the path of a light beam whose output end is... | 02/18/1986 |
| 4568045 | Door operated linkage for support of retracted airplane landing gear A shaped support beam is joined to and extends laterally across a landing gear door to provide support and to hold a retracted airplane landing gear in position when the landing gear door is closed. Pivotable linkage, extending between airplane structure ... | 02/04/1986 |
| 4565595 | Method of making composite aircraft wing A pair of specially reinforced skin-spar joints in combination with a honeycomb core are used to build up a wing spar for a composite airplane wing. A series of contoured mandrels with a covering of fuel resistant material and a wrapped reinforced plastic... | 01/21/1986 |
| 4564810 | Aluminum cladding thickness measurement probe and instrument having an automatic calibration and readout circuit coupled to a differential amplifier circuit A system for measuring the cladding thickness on aluminum sheets which includes a cylindrical probe holder with four evenly spaced contact points surrounding a low temperature coefficient torroidal ferrite core which provides a signal to an aluminum cladd... | 01/14/1986 |
| 4560123 | Door locking mechanism A four bar linkage, between a hinge carriage segment and a translating door segment, of an outward opening overhead rotation plug type aircraft door, defines the relative movement between the two segments. A door handle actuates linkages that extend betwe... | 12/24/1985 |
| 4545102 | Tooling for and method of fabricating master models An index bar is secured to a machined and leveled surface of a base. One side of the bar is machined to be contacted and to act as a buttock plane. The bar has a series of in line holes positioned for lengthwise indexing. A second index bar, secured to th... | 10/08/1985 |
| 4545020 | Fuel gaging system A fuel gaging system of the type wherein the capacitance of a probe (20) within the fuel tank is used as an indication of fuel quantity via an assumed density/dielectric constant relationship (10) of the fuel. System accuracy is improved by directly measu... | 10/01/1985 |
| 4542056 | Composite structure having conductive surfaces A fiberglass fabric wherein a selected number and pattern of yarns have been coated with an aluminum coating is preimpregnated with epoxy or other resin system and laid up as an integral part of a composite structure of the type having a honeycomb core an... | 09/17/1985 |
| 4537647 | Method for applying turbulators to wind tunnel models A method for forming turbulators on scale model airplanes used in wind tunnel testing for accurately simulating a transition point on the model surface equivalent to that produced on the full scale airplane. The transition point is where the boundary laye... | 08/27/1985 |
| 4536843 | Total energy based flight control system An integrated aircraft longitudinal flight control system uses a generalized thrust and elevator command computation (38), which accepts flight path angle, longitudinal acceleration command signals, along with associated feedback signals, to form energy r... | 08/20/1985 |
| 4533870 | Method for testing multi-section photo-sensitive detectors A method for determining proper operation of a multi-section photo-sensitive detector (10) includes measuring (102) the cathode-anode dark resistance of each section and rejecting the detector (104, 108) if any section measures less than a predetermined v... | 08/06/1985 |
| 4533999 | Aircraft roll steering command system Aircraft roll command signals are generated as a function of the Microwave Landing System based azimuth, groundtrack, groundspeed and azimuth rate or range distance input parameters. On initial approach, roll command signals are inhibited until a minimum ... | 08/06/1985 |
| 4522359 | Door anti-hijacking latch/lock mechanism with pneumatic decompression override An aircraft door having an electrically operated latching device (601) engaged only when electrical power is applied. Latch logic permits release by actuation of a switch (603) on the pilot's panel, by loss of electrical power (602), by a knob on the cont... | 06/11/1985 |
| 4520424 | Ventilated instrument panel support rail A support rail structure which provides cooling air for removing heat from instruments. The support rail structures provide uniform cooling along each support rail regardless of instrument orientation within the instrument panel assembly. A system which i... | 05/28/1985 |
| 4506851 | Drain apparatus for aircraft A drain structure for facilitating the draining of liquid condensate from inside an aircraft whenever air pressures inside and outside the aircraft are substantially equal. A pressure-sensitive apparatus is provided in conjunction with a drain opening thr... | 03/26/1985 |
| 4502092 | Integral lightning protection system for composite aircraft skins Method and structures for enhancing the conductivity of graphite composite materials for lightning protection and prevention of attachment of lightning to fasteners. The integral lightning protection for composite aircraft skins, including skins with fast... | 02/26/1985 |
| 4489523 | Apparatus for regrinding step drills A drill bit pointer machine includes a laser micrometer for measuring the pilot diameter and transmitting the data to a microprocessor through a digital readout. The microprocessor is programmed to manipulate the data and define the operation of a stepper... | 12/25/1984 |
| 4489591 | Angle of airflow vane positioner A remotely controlled system for mechanically positioning an aircraft airflow vane for the purpose of calibration wherein a stepper motor drives the vane to a predetermined position in response to electronic system control disposed at a point remotely loc... | 12/25/1984 |
| 4485709 | Apparatus for punching holes in a moving strip A sliding block with a female die acts in conjunction with a four bar linkage mounted block with a male die to punch indexing holes in a moving metal strip. The block with male die continually seeks to rotate, but is held in position by the sliding block.... | 12/04/1984 |
| 4481702 | Method of assembling threaded insert bushing within a working material An insert assembly includes a frustoconically shape cone nut (10), a cylindrical shell (20) and a bolt (36). The cone nut (10) has a longitudinal bore (12) which is tapped to accept the threads on the bolt. The shell (20) has projecting barbs (28) arrange... | 11/13/1984 |
| 4481709 | Method of making a coil assembly for hot melt induction heater apparatus An induction heating coil having fluoroplastic coated polyimide tape wrapped windings for providing a bonded, solid monolithic structure. The induction heating coil includes a cooling heatsink of predetermined size and shape fused in relationship to a plu... | 11/13/1984 |
| 4480949 | Combination opposed helix router for routing composite material face sheets having honeycomb core The combination opposed helix router having an opposed helix 70 degree left-hand upper portion and a lower portion consisting of a 45 degree helix. The combination opposed helix router is utilized for edge trimming and preparing holes in composite materia... | 11/06/1984 |
| 4479163 | Integral lightning protection system for composite aircraft skins Method and structures for enhancing the conductivity of graphite composite materials for lightning protection and prevention of attachment of lightning to fasteners. The integral lightning protection system for composite aircraft skins, including skins wi... | 10/23/1984 |
| 4475320 | Method for regrinding step drills A drill bit pointer machine includes a laser micrometer for measuring the pilot diameter and transmitting the data to a microprocessor through a digital readout. The microprocessor is programmed to manipulate the data and define the operation of a stepper... | 10/09/1984 |
| 4475752 | Overhead panel latch A latch for securing a panel within an overhead opening includes a base portion which is secured to the panel. A cam is pivotally mounted to the base and is biased such that upon insertion of the panel into the opening a foot on the cam snaps over adjoini... | 10/09/1984 |
| 4472216 | Method of making a short pulse cable for electrical power transmission A flexible lightweight short pulse power cable assembly for electrical power transmission, e.g., for transmission of electrical power at 20,000 volts at short pulse D.C. halfwave currents of 30,000 amperes. The cable for electrical transmission utilizes a... | 09/18/1984 |
