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8151711 |
Supercavitating projectile with reduced-drag control surfaces
The illustrative embodiment provides bumpers which are roughly shaped like skis that face towards the air-water boundary of the air cavity. When the projectile fishtails and one or more of the...
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8072172 |
Redundant electromechanical actuator for control surfaces
A redundant electromechanical actuator is provided that includes first and second electric motors, a common output shaft, first and second drive cable drums, first and second driven cable drums, a...
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8015922 |
Control system for right circular cylinder bodies
A technique for controlling the pitch of a supercavitating projectile is disclosed. For example, the illustrative embodiment controls the pitch of a supercavitating projectile by shifting its...
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7690309 |
Supercavitating vehicle control
A control system for a supercavitating vehicle includes a set of winglets for rapid maneuverability and a segmented ring wing for fine stabilization control. The winglets and ring wing extend from...
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7576281 |
Apparatus for altering the course of travelling of a moving article and a method thereof
The present invention relates to an apparatus for altering the course of a moving article and a method thereof comprising of a launching aircraft or surface craft to deploy said apparatus towards a...
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7337743 |
High lift authority marine control system
A control surface system for a marine vehicle is provided. The control surface system includes a control member having at least two control portions fixedly connected at a predetermined spacing...
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7148416 |
Undersea vehicle
An undersea vehicle having both low emitted noise and low reflectivity is provided. The undersea vehicle has a hollow cylindrical hull with all components, sensors, electronics, motors, and other...
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6736685 |
Stowable integrated motor propulsor fins
A control surface system is particularly well suited to provide improved control for undersea vehicles having integrated motor propulsors (IMP). The control surface system is deployable beyond...
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6651004 |
Guidance system
A method and apparatus for directing a pursuing vehicle, such as a torpedo, on an intercept trajectory from a launching vehicle to a target vehicle with evasion capabilities. The guidance system...
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6622647 |
Active noise cancellation for a torpedo seeker head
A noise cancellation system and method for use with a seeker head of a marine vessel are provided according to the invention. The seeker head employs one or more hydrophones that generate one or...
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6259974 |
Automated ballistic constant determination
A method for the automated generation of ballistic constants for use in a trajectory control system. The potential trajectory of a pursuing vehicle is divided into a plurality of multiple...
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5824946 |
Underwater search angle selection system and method of special utility with surface contacts
A search angle selection system generates a search angle for a torpedo in sponse to a number of inputs. Initially, the system bounds the region to be insonified. The system determines the search...
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5819676 |
Underwater acoustic search angle selection system and method of special utility with submerged contacts
A search angle selection system determines acoustic homing beam offset ans to be used by a torpedo from a group of target depth conditions in response to given environmental, tactical, target and...
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5708232 |
Highly maneuverable underwater vehicle
A system of articulation units is inserted between sections of a standard lindrical underwater vehicle, such as a torpedo, to provide a highly maneuverable vehicle. Each articulation unit consists...
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5661259 |
Variable shape control fin assembly for water vehicles
A control fin assembly for a water vehicle includes a multiplicity of fins onnected together and grouped in an array mounted on the vehicle. A portion of the array is of a shape-memory material...
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5551364 |
Underwater vehicle and combination directional control and cable interconnect device
There is presented an assembly comprising an underwater vehicle and a comation directional control and cable interconnect device therefor. The underwater vehicle remains underwater during travel of...
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5551365 |
Water vehicle and a directional control means therefor
There is presented in combination, a water vehicle and a directional cont means therefor. The water vehicle includes at least a portion thereof which is underwater during travel of the vehicle...
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5549065 |
Water vehicle and a directional control device therefor
There is presented in combination, a water vehicle and a directional cont device therefor. The water vehicle includes at least a portion thereof which is underwater during travel of the vehicle...
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4740887 |
Method and system for improving the operational reliability of electronic systems formed of subsystems which perform different functions
A method and system for improving the reliability of an electronic system formed of subsystems which perform different functions. The electronic system is analyzed to determine which of the...
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4732100 |
Actuation system for torpedo control surfaces
An interior actuation system for controlling an exterior control surface of a torpedo or the like which has an afterbody with radial inlet vanes defining inlet liquid passages to the propellers of...
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4601251 |
Arrangement for orienting rockets moving in liquids
The horizontal orientation of a rocket moving in a liquid is achieved by an arrangement in which a magnet is attached to the rocket body. The axis of the rocket and the magnetic axis of the magnet...
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4579298 |
Directional control device for airborne or seaborne missiles
A missile for airborne and seaborne use in which directional control about a flight axis comprises a nose (2) deflectable angularly in relation to the flight axis of the body (1) of the missile to...
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4429652 |
Ultrasonic excitation of underwater torpedoes for enhancing maneuverability, speed and targeting accuracy
For enhancing the maneuverability, speed, survivalbility, and targeting accuracy of a torpedo moving below the surface of a body of water, ultrasonic vibrations are set-up at the exterior of the...
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4392443 |
Electro-pneumatic hydraulic control systems
Propulsion means of undersea vehicle comprises a pair of counter-rotating w speed impellers driven from a spider shaft rotating at relatively high speed. The reduction is accomplished by a variable...
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4391474 |
Thrust shaft seal with slidably mounted bearing sleeve
A seal for a thrust shaft in a body wherein the body has a bore and a counterbore, the bottom of the counterbore providing a shoulder for the thrust force of the shaft. The seal includes a bearing...
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4360348 |
Underwater vehicle porting system
Propulsion apparatus for an undersea vehicle comprises a pair of counter-ating low speed impellers driven from a spider shaft rotating at relatively high speed. The reduction is accomplished by a...
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4323025 |
Torpedo steering control system
1. In a homing torpedo, in combination: means for providing a target search hase of torpedo operation wherein said torpedo is controlled to change depth between predetermined search floor and...
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4306512 |
Homing torpedo system
In an echo-ranging homing torpedo having means for normally transmitting rch pulses at a predetermined repetition rate, and having a receiver wherein detection of target echo signals, during...
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4255799 |
Underwater-target direction-finding apparatus
1. In an underwater-target direction-finding apparatus of echo-ranging ty in combination: receiver means, including a network tunable to resonance at echo signal frequency, for deriving, from...
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4239012 |
Homing torpedo control apparatus
2. In an echo-ranging torpedo wherein spurious and true-target echo signals ay be received in the listening periods between repetitive search-pulse transmission instants, in combination: a receiver...
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4218985 |
Steering and stabilization apparatus for torpedo
A torpedo operable submerged in water is provided with a pair of vane members mounted on opposite sides of the body thereof in recesses provided therefor. Each vane member includes a mounting...
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4206508 |
Electric test set for acoustic torpedo homing systems
In a device for testing torpedo acoustic homing systems the combination crising: first means for providing a plurality of output voltages having substantially equal amplitudes and adjustable...
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4203163 |
Target-detection and location system
6. In a target-detection and location system adaptable for the navigation an acoustic torpedo, having a first and a second alternating voltage signal emanating from the acoustic detection portion...
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4198016 |
Floating canard with geared tab
A floating canard with geared tab to stabilize a missile as soon as the mile nose exits the launch tube when the center of pressure is forward of or close to the center of gravity. A freely...
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4192246 |
Laminar flow quiet torpedo nose
An acoustic homing torpedo which has an acoustic window and a nose section with the window-torpedo shell interface being positioned at a location aft of the acoustic transducers in the nose so as...
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4192245 |
Guiding means for self-propelled torpedoes
1. In a torpedo control system the combination comprising: a tuned transdr element for projecting compressional waves of a substantially fixed frequency and having an amplitude-modulated output...
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4185326 |
Minehunting vehicle with a built-in search pattern
1. In a self-propelled elongated underwater vehicle having a rudder and dng fins adapted to execute a search pattern about an acoustic marker on the ocean floor and adapted to release an explosive...
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4129086 |
Method and means for the acoustical steering of submarine torpedoes
A torpedo has an acoustical system for detecting targets and directing the torpedo toward the target. An electric motor drives a cam that operates a switching arrangement that alternately changes...
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4113204 |
Auxiliary control of vehicle direction
An auxiliary aerodynamic or hydrodynamic control assembly is provided for a vehicle, such as a guided missile, travelling in a fluid medium, which assembly comprises a number of, say three, control...
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3938456 |
Automatic steering system for a torpedo
In an automatic steering system for directing a moving body, said system ng provided with reversibly-motorized depth steering gear including two motor reversing circuits, one, upon energization,...
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3905320 |
Low frequency homing system
3. In a homing system for torpedoes, an elevator control system comprising, A first array of hydrophones axially aligned along the upper side of a todo, A second array of hydrophones axially...
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3896751 |
Navigation method
Method and apparatus for moving ahead the impact point of a projectile, such as a torpedo, equipped with a passive search head and steered by controlling the rate of change of heading. The...
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3890914 |
Torpedo control system
1. In an automatic steering system for directing a moving body equipped w motorized steering gear toward a source of wave energy, means energized by said wave energy for generating separate dc...
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3853081 |
METHOD AND APPARATUS FOR DESTROYING SUBMARINES
A submarine torpedo tube launched missile type weapon having a water-to-ato-water flight path, comprising, a covered rocket motor wherein the rocket motor cover is explosively released by explosive...
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3836951 |
HETERODYNE AUTOCORRELATION GUIDANCE SYSTEM
1. In a guidance system adapted to sense incoming energy and ascertain the irection thereof comprising in combination a first means for receiving incoming radiant energy and producing a first...
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3802365 |
VEHICULAR CONTROL SYSTEM
A depth responsive override system for correcting torpedo command signals recting the torpedo beyond a preselected depth, including a depth sensor and an adjustable depth signal source combined in...
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3789351 |
GUIDANCE SYSTEM
A guidance system is disclosed which employs three total field magnetometer ensors located in a plane and spaced equiangularly about the axis of locomotion. Circuitry is disclosed to combine the...
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3760755 |
GUIDANCE SYSTEM FOR STRAIGHT RUNNING VEHICLES
A guidance system for heading control of a straight running vehicle, such a torpedo, using a rate gyro with integrator and logic circuitry which measures the rate of angular deviation from course...
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3745956 |
SELF-GUIDANCE METHODS AND DEVICES FOR ANTI-SUBMARINE MISSILES
An anti-submarine self-guided missile having no self-propulsion system. Guidance is effected by controlling the position of vanes through the use of proportional navigation techniques and a passive...
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3728982 |
ACOUSTIC HOMING TORPEDO
11. The device of claim 8 wherein the velocity of sound transmission in the xplosive material is substantially equal to the velocity of sound transmission in seawater, The rear surface of the...
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