| Means for Aligning Elevation Beam Pattern Along an Isodop in Synthetic Aperture Mapping Radar. |
09 SEP 1986 |
|
| Authors:
Jerry A. Kane; Winthrop W. Smith Jr; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
 | Using an electronically scanned phased array antenna, a technique is developed for aligning a broad elevation beam along an isodop for use in synthetic aperture mapping. A beam steering contoller algorithm for practical implementation of the technique is described. Implementation is realized by means of a beam steering controller and the radar computer. The controller first finds the space stabilized row and column for a given phase shifter. A look-up ... |
|
| Turnaround Control for Mechanically Scanned Radar Antennas. |
09 SEP 1986 |
|
| Authors:
R. J. Bennett; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A programmed turnaround generator for a mechanically scanned antenna, to provide an n-bar scan pattern (n may be 1), with predetermined inputs to the generator comprising a desired turnaround time, a maximum excursion of the antenna in azimuth, and a start position for each bar, is mechanized using closed form equations. |
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| Fly's Eye Sensor Nonlinear Signal Processing. |
09 SEP 1986 |
|
| Authors:
Richard T. Schneider; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| Multiaperture fly's eye optical signal transducing apparatus employing nonlinear electrical signal processing located adjacent the optical transducers in a multifunction integrated circuit device. The processed signals have enhanced low-level contrast and attenuated high contrast. Utilization examples, mathematical equations and related characteristic curves are also included along with exemplary circuit diagrams. (Author) |
|
| Diffraction Diffusion Screen with Holographically Suppressed Zero-Order Beam. |
09 SEP 1986 |
|
| Authors:
Mao-Jin Chern; Ronald T. Smith; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A diffusing screen of a transmission hologram located adjacent to a diffraction optics directional diffusing screen suppresses zero order light from the diffusing screen thereby providing a device having the advantages of a directional diffusing screen but which does not have the disadvantages associated with zero order light. |
|
| Propellant Tank Resupply System. |
02 SEP 1986 |
|
| Authors:
Thomas F. Schweickert; George F. Orton; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A novel propellant resupply system for, and method of recharging the propellant tanks of, the attitude control system (acs) of a spacecraft or the like are described, comprising first and second propellant conduits respectively interconnecting the outlets of the fuel and oxidizer pump inducers of the primary propulsion system with the fuel and oxidizer tanks for the acs thruster engines, and controller valves within each propellant conduit for controllably diverting ... |
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| Temperature Compensated Berlinite for Surface Acoustic Wave Devices. |
02 SEP 1986 |
|
| Authors:
paul h. carr; jose h. silva; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| The 19.1 propagation X-cut of berlinite (AIPO4) has been discovered to have cubic temperature compensation for surface acoustic waves (SAW). The temperature variations of frequency or time delay over 35 deg c to 85 deg c. temperature range are comparable to ST-quartz. However, berlinite has at least twice the piezoelectric coupling. This essential for low insertion loss, broadband SAW devices such as filters and correlators. In addition, 19.1 propagation, X-cut ... |
|
| Energizing Arrangement for Charge Coupled Device Control Electrodes. |
02 SEP 1986 |
|
| Authors:
Ernie Richards; Nathan Bluzer; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A charge coupled device gate electrode bus driving arrangement which uses the properties of an electrical transmission line to achieve higher impedance, essentially reactive free, loading of the bus driver circuit is disclosed. The described arrangement includes the addition of inductance elements, resistive terminations, constant gate capacitance compensation, and delay line considered placement of the CCD cells to the usual CCD configuration; the disclosure includes numeric examples of the impedances ... |
|
| Very High Speed Lap with Negative Lift Effect. |
26 AUG 1986 |
|
| Authors:
Roger K. Lee; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A rotary lapping system which contains a construction and mounting of grinding pads called tesserae which act to produce a negative lift or suction through hydrodynamic action with an abrasive slurry liquid is disclosed. The rotary lapping system uses a plurality of negative lift tools, each of which is composed of a square base of metal, a rubber sheet bonded to the base and four brass tessera bonded to the ... |
|
| Mask Aligner for Solar Cell Fabrication. |
26 AUG 1986 |
|
| Authors:
Diane K. Hufford; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A novel method and device for accurately aligning a substrate comprising a silicon wafer in the fabrication of a silicon vertical junction solar cell are described which comprise a base plate having a recess therein defining an opening for snugly receiving the wafer, the recess including a substantially straight portion for mating with a cleaved edge of known crystallographic orientation provided on the wafer, and a mask plate for covering ... |
|
| Fast Envelope Detector with Bias Compensation. |
26 AUG 1986 |
|
| Authors:
Steve M. Bryant; Lanier G. Cole; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| In combination with an envelope detector in a radar system, a bias compensation circuit consisting of a programmable read-only memory and a binary adder produce an unbiased envelope detection signal. The bias compensation circuit adds one to the output of the detector based upon whether the minimum of the I and Q (inphase and quadrature) signals is odd and the maximum even. It is capable of compensating for both normal ... |
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| Backfire Bifilar Helix Antenna. |
26 AUG 1986 |
|
| Authors:
Carson W. Webster; Robert K. Stilwell; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A backfire bifilar helix antenna is disclosed having two helically wound conductors made of coaxial cable wherein the two conductors comprise the shield portion of the cable. The coaxial cable of one of the conductors serves as a transmission line for supplying signals to the feed end of the antenna and has its center conductor connected to the shield of the other conductor cable. The nominal input impedance of the ... |
|
| Non-Dissipative Current Distribution Circuit for Magnetohydrodynamic Generator Electrodes. |
26 AUG 1986 |
|
| Authors:
James F. Holt; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A nondissipative current distribution circuit for a power source, such as magnetohydrodynamic generator, that delivers its output current through a first plurality of positive electrodes and a second plurality of negative electrodes (including plural positive and negative electrode pairs) and provides a predetermined current distribution among the electrodes, is described, and comprises a transformer including first and second windings, the second winding including means for connection to a load, the ... |
|
| Thermal Regenerator. |
26 AUG 1986 |
|
| Authors:
Alfred L. Johnson; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| This patent discloses a regenerative type thermal storage heat exchanger having a thermal regenerator matrix formed by a plurality of radially spaced coaxial coils of solid cross section thermal material surrounding a core. The matrix is formed from woven structures, each structure consisting of a plurality of longitudinal thermal members, a plurality of transverse cords woven through the thermal members in alignment during fabrication of the matrix. The matrix is ... |
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| Method of Bonding Protective Covers onto Solar Cells. |
25 AUG 1986 |
|
| Authors:
James F. Holt; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A method for bonding a protective cover to a solar cell is described comprising the steps of depositing onto a substrate a metallic gridwork corresponding to that which surrounds and defines the active photovoltaic areas of the solar cell; overlaying a protective cover, such as of glass, in contact with the gridwork on the substrate, heating under light pressure to soften the cover and impress the gridwork into a surface ... |
|
| Tally Cell Circuit. |
19 AUG 1986 |
|
| Authors:
James L. Burrows; Stephen B. Butler; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A tally cell circuit for counting the number of logical ones in an input signal utilizing a parallel-series combination of four CMOS field-effect transistors. The number of input ones in the input are expressed in a binary code at the output of the tally cell circuit. |
|
| Large Pattern Transposing. |
19 AUG 1986 |
|
| Authors:
Harry L. Task; Michael B. Tutin; William N. Kama; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| An image layout arrangement suitable for transposing small template located images into large work surface located images with any required degree of image resolution and detail, using simple, low-cost tools. An exemplary layout of aircraft images to a runway surface for use in enhancing air base survivability is included and employs point-by-point image transportation according to a plurality of point locating arrangements. |
|
| Rotor Blade Test Apparatus. |
12 AUG 1986 |
|
| Authors:
Edwin C. Taschner; Edward M. Myzska; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| This patent discloses a rotor blade test apparatus having a striking solenoid to strike a rotor blade to generate an audio signal. A microphone receives the audio signal and applies it to a spectrum analyzer wherein the predominant natural frequencies of the rotor blade are determined. |
|
| Magnetic Bias and Delay Linearity in a Magnetostatic Wave Delay Line. |
12 AUG 1986 |
|
| Authors:
Korda K. Jin; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| This patent discloses a cascade combination of magnetostatic delay line elements operating in different signal propagation modes for the purpose of achieving dispersion cancellation; magnetic bias control of the attained frequency-dependent delay and a magnetic bias field establishing apparatus for providing the tubular, laminar magnetic flux needed for backward volume wave operation of a magnetostatic delay element are also included. |
|
| An Auxiliary Booster to Relay and Amplify the Detonation Wave from a Standard Configured Bomb Booster Charge to Insure Steady State Detonation of the Main Charge, Particularly in Relatively Insensitive Explosives. |
06 AUG 1986 |
|
| Authors:
Joseph C. Foster; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| An auxiliary booster is used to relay and amplify the detonation wave from a standard configured bomb. An explosive system is placed in an extended fuse well to interface with the main charge. The auxiliary booster is initiated as a second, sequential event by this conventional booster charge. Energy of the conventional booster is transmitted into the auxiliary booster charge and the combined energy of the two charges is focused ... |
|
| Vacuum Blast Adapter for Bombs. |
05 AUG 1986 |
|
| Authors:
Robert L. Gilmore; George E. Lander; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A vacuum blast adapter for removing corrosion from the booster wells of bombs and the like which includes a cylindrical body portion having a vacuum tight seal at its forward end for engaging the outer surface of the bomb. An air/abrasive carrying line is sealably inserted through the rearward end of the body portion to guide the abrasive into the bomb booster well. An observation window is provided at the ... |
|
| Pi-Section Digital Phase Shifter Apparatus. |
05 AUG 1986 |
|
| Authors:
Binboga S. Yarman; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| An extra high frequency pi-section digital phase shifter apparatus having a diode connected between two identical parallel shunt circuits. The parallel shunt circuits connect to the series inductor/diode circuit at both the input and output and each parallel shunt circuit has inductor connected in parallel with a capacitor and a diode to provide balanced insertion loss at each diode switching state. When the diodes of the circuit are in the ... |
|
| Triggered Spark Gap Discharger. |
05 AUG 1986 |
|
| Authors:
Roy E. Wootton; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| This patent discloses triggered spark gap discharger having a small auxiliary gap in the trigger pulse path. The auxiliary gap provides ultraviolet radiation to liberate electrons at the trigger probe and allow prompt firing of the trigger gap and primary gap, particularly in aged discharger units. (Author) |
|
| Variable Density Frangible Projectile. |
05 AUG 1986 |
|
| Authors:
James A. Snide; Edward J. Morrisey; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A frangible projectile comprising a plurality of interfitting, filled polymeric portions is provided with controlled properties. (Author) |
|
| Technique for Drug and Chemical Delivery. |
05 AUG 1986 |
|
| Authors:
Robert P. Liburdy; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| This invention relates generally to a technique for delivering drugs and/or chemicals, and, more particularly, to effecting such delivery by means of microwave-stimulation of drug containing liposomes. By subjecting liposome encapsulated drugs to microwave radiation the normal phase transition temperature of the lipsome is reduced. The microwave radiation may range between 26-2450 MHz in order to effect the release of drugs and/or chemicals from the lipsomes. In a buffered saline, ... |
|
| T-Section Digital Phase Shifter Apparatus. |
29 JUL 1986 |
|
| Authors:
Binboga S. Yarman; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| An extra high frequency T-section digital phase shifter apparatus having a pair of back to back diodes connected between the input and output terminals with a parallel circuit connected between the common junction and ground. The shunt parallel circuit has an inductor in parallel with the series combination of a capacitor and a diode to provide a balanced insertion loss at each diode switching state. When the didoes are in ... |
|
| Technique for the Growth of Compositionally Ungraded Single Crystals of Solid Solutions. |
29 JUL 1986 |
|
| Authors:
Robert C. Marshall; John K. Kennedy; Charles S. Sahagian; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| This invention describes a modified method of growing high purity, compositionally ungraded, single crystals of multicomponent solid solutions by the Czochralski, Kyropoulos, Bridgman or other related melt growth technqiue. In the method of this invention, the container or crucible used to contain the multicomponent crystal growing melt is fabricated from the higher melting point component of the multicompenent melt while lower melting point components are positioned within the crucible. The ... |
|
| Low Noise Polycrystalline Semiconductor Resistors by Hydrogen Passivation. |
29 JUL 1986 |
|
| Authors:
Joseph Y. Lee; Michael H. Kriegel; Thomas Y. Chuh; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| The present invention is a process of fabricating low noise polycrystalline silicon resistors. This process includes steps to passivate the resistors to reduce the l/f noise which is routinely observed in prior art devices. As mentioned above, most theories suggest that the l/f noise originates in the interfaces where there are carrier traps. The process of the present invention includes a step to passivate these interfaces with hydrogen in a ... |
|
| Zero Adhesion System. |
29 JUL 1986 |
|
| Authors:
Joseph N. Steinmetz Jr; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| This patent discloses a zero adhesion system whereby a protective missile launch pad is held against an Environmental Protection Material (EPM) coated missile skin surface having an intermediary cloth sheet thereinbetween. The pad comprises a steel sheet having perforated cleats defined therein, which sheet is affixed to the underside of the pad and releasably bears against the intermediary cloth sheet. This arrangement operates such that the protective missile launch pad ... |
|
| Multi-Row Connector with Ground Plane Board. |
29 JUL 1986 |
|
| Authors:
Jack C. Cunningham; Benjamin G. Egerton Jr.; John A. Partridge; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A multi-row connector having a ground plane board mounted between rows of connector pins on the backside of the connector. Conductor shields of individual wires are soldered directly to conductor strips on the printed circuit ground plane board, and the strips are jumpered to a grounding pin on the connector. (Author) |
|
| Environmental Impact Analysis Process. Final Environmental Impact Statement. Air Force, Space Division Housing Project, San Pedro, California |
24 JUL 86 |
396 pages |
| Authors:
DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
 | The U.S. Air Force, Space Division (SD), headquartered at Los Angeles Air Force station (LAAFS), is promising to construct 170 housing units primarily for field grade and senior officers (major through colonel) assigned to SD at LAAFS. The site for the Proposed Action consists of 40 acres of land located on the southeastern portion of the area known as White Point (WP) in the community of San Pedro, in the ... |
|
| Fine Figuring Actuator. |
22 JUL 1986 |
|
| Authors:
John W. Pepi; Christopher M. Finch; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A novel mirror structure and actuator for precision control of the contour of a mirrored surface is described which comprises a movable control member for contacting the mirror faceplate, and a position controller, which may be in the form of an electrically controlled magnet and coil assembly, operatively interconnecting the control member and a rigid support for the mirror structure; a position sensor operatively interconnects the control member and the ... |
|
| Hydraulic Pressure Intensifier. |
22 JUL 1986 |
|
| Authors:
Robert S. Andrews; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A hydraulic pressure intensifier is used to raise the pressure in an accumulator above a given input pressure. An oscillating piston provides a boost pressure while a pilot valve and a dump valve and restrictors allow the oscillating piston to move. (Author) |
|
| X33 Cut Quartz for Temperature Compensated SAW (Surface Acoustic Wave) Devices. |
22 JUL 1986 |
|
| Authors:
Richard T. Webster; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| An X-cut, 33.44 degree quartz crystal for propagating surface acoustic waves with a temperature stability in the order of - 0.0209 ppm/sq. c. The crystal orientation requires only a single rotation (33.44 degrees) from the crystal axes. This orientation is substantially simpler than previously reported cuts with comparable temperature stability which typically require three rotations. The Xcut orientation has a surface acoustic wave (SAW) velocity of 3175 m/sec, an electromechanical ... |
|
| Vibration Isolator Actuator for a Segmented Mirror. |
22 JUL 1986 |
|
| Authors:
Roland L. Plante; Austin L. McKenney; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A novel actuator for controlling the position of a mirror segment of a segmented mirror assembly and for isolating the segment from vibration is described, which comprises, a movable control member operatively interconnecting the segment and support and support structure for the mirror assembly; an actuator assembly, which may comprise an electrically controlled magnet and coil, operatively attached to the control member and responsive to an input signal, for moving ... |
|
| Beam Recombination via Cylindrical Mirror. |
15 JUL 1986 |
|
| Authors:
Raymond C. Hedin; Samuel A. Meddaugh; Ernest J. Torok; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A beam recombiner is used to parallelize two first order beams emanating from an magneto-optic stripe domain light deflector. One arrangement uses a concave cylindrical mirror with a negative meniscus lens attached thereon to redirect a conjugate beam. The other arrangement uses a concave cylindrical mirror with a cylindrical rod lens placed at the radius of curvature of the mirror to redirect the conjugate beam. |
|
| Direct Cable Attach Method. |
14 JUL 1986 |
|
| Authors:
Barbara L. Clark; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A direct cable attachment method for directly connecting a flat ribbon cable to a stack of integrated circuit units by pre-tinning the leads of both the ribbon cable and the wiring board with solder. Positioning the ribbon cable on the wiring board and apply sufficient heat to the combination to achieve a physical and electrical connection. Adding epoxy to the assembly structure provides additional strength. |
|
| Double Pinch-Push Contact Insertion End-Effector. |
08 JUL 1986 |
|
| Authors:
Mark S. Weixel; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A double pinch-push contact insertion end-effector for performing contact insertion on a universal basis. End-effector comprises a front jaw assembly. Each jaw assembly comprises a pair of jaws, where each pair is individually actuable to effect contact insertion. (Author) |
|
| Phase Only Adaptive Nulling in a Monopulse Antenna. |
08 JUL 1986 |
|
| Authors:
Randy L. Haupt; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A monopulse radar having a single set of phase shifters shared by both sum and difference channels. The radar utilizes an algorithm that effects simultaneous nulling in the sum and difference patterns of its phased array antenna. An algorithm is developed for phase-only nulling which does not require knowledge of the location of interference sources. (Author) |
|
| Radar Fuze System. |
08 JUL 1986 |
|
| Authors:
Peter F. Barbella; Ronald A. Wagner; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A radar fuzing system for use in a guided missile wherein the system is tuned in accordance with the estimated intercept closing velocity to permit the use of narrower bandpass filters and thereby reduce the probability of detecting pulse repetition frequency lines and very low Doppler returns from chaff bundles. |
|
| Variable Cycle Engine for High Altitude Aircraft. |
08 JUL 1986 |
|
| Authors:
G. D. Brewer; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| In this patent, a turboshaft engine is modified to be able to operate as a turbojet or a turboprop by the movement of an annular slide valve that directs gas flow between a high pressure turbine and a low pressure turbine. |
|
| Resonance Damper. |
02 JUL 1986 |
|
| Authors:
Herman Rossman; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A vibration damping system is disclosed in this patent application motion sensitive devices by reducing transmissibility of oscillations near a resonant frequency using: an outer housing, an inner housing, a vibration damping mounting, and a particle collision system. The inner housing encompasses the motion sensitive device, and is mounted within the outer housing with a vibration damping mounting. This vibration damping mounting may be a spring, dash pot or a ... |
|
| CW (Continuous Wave) HF R-Branch Laser. |
01 JUL 1986 |
|
| Authors:
Hagop Injeyan; John H. Wang; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A continuous wave HF R-branch chemical laser uses a linear array nozzle system having primary and secondary nozzles for exciting HF and a laser resonator having mirrors with reflectance to discriminate against P-branch lasing of the excited Hydrogen Fluoride. (Author) |
|
| The Department of Defense Very High Speed Integrated Circuit (VHSIC) technology Availability Program Plan for the Committees on Armed Services United States Congress |
30 JUN 86 |
|
| Authors:
DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| The House and Senate Conferees on Armed Services requested that the Secretary of Defense develop a plan to be submitted to the Committees on Armed Services of the Senate and the House of Representatives for a program to ensure that Very High Speed Integrated Circuit (VHSIC) technology is made available to weapon system developers as VHSIC components become available and mature. This report will show in summary form how all ... |
|
| ECM (Electronic Countermeasures) Preprocessor or Tracker Using Multi-Processor Modules. |
30 JUN 1986 |
|
| Authors:
Timothy Dunne; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| The tracking apparatus uses multi-processor modules for predicting in real time the parametric behavior of radar signals to be jammed, as part of an electronic countermeasures system. The tracker system is partitioned into three board (module) types - (1) a subsystem request handler, which transfers data from system buses to the tracker system, (2) one or more multi-processor modules (each including a parameter memory and three arithmetic units with micro-sequencers) ... |
|
| High Voltage Insulators for Long, Linear Switches. |
30 JUN 1986 |
|
| Authors:
R. A. Petr; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A high voltage linear switch assembly is disclosed that uses a hollow quartz tube as the insulator, and houses the anode, cathode and switch within the insulator tube. The anode and cathode are fixed within the tube on opposite sides so that they do not make physical contact with each other. A chamber filled with either hydrogen or helium and a metal electrode screen act as the switch as follows. ... |
|
| Liquid Crystal Spatial Light Modulator Optimized for Diffractive Readout. |
24 JUN 1986 |
|
| Authors:
David Armitage; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| The present invention relates generally to the field of optical signal processing apparatus, and more specifically to a spatial light modulator whose construction is optimized for diffractive readout. Two dimensional spatial light modulators are devices which allow control of an optical wavefront for processing or imaging operations. These devices, often called light valves, have potential for application in large screen display systems, including missile guidance and robotic vision systems. Listed ... |
|
| Controllable Ejection Seat Catapult. |
19 JUN 1986 |
|
| Authors:
J. A. Cuevas; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A catapult seat ejection system for ejecting a pilot and seat from an aircraft is disclosed in which the thrust of the catapult is controlled to prevent injury to the pilot due to acceleration forces. The catapult comprises a main catapult tube; a piston within the tube driven by gas pressure from the burning of two solid propellants cartridges; and four shuttle vent valves powered by gas from a plurality ... |
|
| Flameholder with Removable Flameholder Attachments. |
17 JUN 1986 |
|
| Authors:
Steven B. Kushnick; Gunther Eichhorn; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| This patent discloses an improved flameholder which has a plurality of flameholder attachments removably mounted in cutouts in the downstream edge of a shroud of the flameholder. Each attachment includes a support plate which fits into one of the cutouts and a plurality of fan gutter flameholding elements rigidly mounted on the plate. A slip joint links the plate to the shroud and stiffeners which are fastened together connect each ... |
|
| Deception Pattern for Camouflage. |
17 JUN 1986 |
|
| Authors:
John C. Bridenbaugh; Robert W. Love; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| An object intended for concealment or a facsimile thereof is used to generate the pattern by creating shadows on a flat surface at several elevation angles, with the resulting set of shapes then rotated in azimuth, in order to produce an abundance of quasi-object shapes within the pattern. The shapes are created in such a way as to be viewing-angle independent, thus producing a background upon which the object is ... |
|
| Electromechanical Switch. |
17 JUN 1986 |
|
| Authors:
Anthony P. Antonuzzi; Donald J. Carignan; DEPARTMENT OF THE AIR FORCE WASHINGTON DC
|
| A hardened electromechanical switch is disclosed. When appropriate electrical contacts and pick-offs are aligned, four switches close. The possible number of switch combinations selectable are 4095 based upon a base eight counting system. The switch has a counter section and a memory section. The counter section uses an odometer like device based upon octal. Each counter wheel of the counter section has an electrical pick-off that interacts with the memory ... |
|
Reports by Corporate Author
