Abstract: A guided projectile having a nose portion, a body portion, a tail portion, and a central axis. In various embodiments the projectile includes a control support portion and a collar assembly pivotally mounted to the control support portion. In various embodiments the collar assembly includes a collar having an exterior sidewall with a plurality of fixed aerodynamic surfaces thereon for spinning the collar and a plurality of variable sweep wings for directional control of the projectile. In various embodiments the plurality of variable sweep wings each have a first end coupled to a wing actuator configured to rotate a second end portion between and including a first position, where the wings are oriented generally parallel to the central axis of the projectile to a second position, where the lengthwise wing axis of the plurality of wings are oriented generally perpendicular to the central axis of the projectile.

Abstract: A guiding kit for guiding a projectile to a target comprises a front part and a rear part. The front part and the rear part are rotatably connected to each other to enable relative rotation about a common central longitudinal axis of rotation. The front part comprises a front transceiver (T/X) unit that is disposed next to the rear end of the front part and coinciding with the longitudinal central axis of rotation and adapted to transmit signals towards the rear part. A rear transceiver unit is disposed against the front transceiver unit and adapted to communicate with front transceiver unit when the front part and the rear part are rotating with respect to each other.

Abstract: A precision guided munition with a fin assembly comprising a free spinning hub to which the fins attach addresses the need to roll control a projectile while eliminating the problems of the fin kit. The fin hub, to which the fins are attached, is radially decoupled from the mortar tail boom thus allowing it and the fins to spin freely relative to the body without coupling any of the spin. Advantageously, the need for a bearing between the hub and the tail boom is negated.

Abstract: Systems, apparatus, and methods may control movement of an object through a fluid. The systems, apparatus, and methods may utilize one or more rotatable control units, each including a plurality of control fins to generate a force at least partially perpendicular to a direction of travel of the object through the fluid.

Abstract: A lanyard assembly for an evacuation system may comprise a lanyard body and a pin housing. The lanyard body may comprise an actuator connect portion, a pin housing connect portion, and a center member extending between the actuator connect portion and the pin housing connect portion. The pin housing may be slidably coupled to the pin housing connect portion of the lanyard body.

Abstract: A guiding assembly is adapted to be connected to a projectile and comprising a rear main unit adapted to be connected to the front end of the projectile, and a front main unit rotatably connected at its rear end to the front end of the rear main unit. The front main unit is adapted to rotate about a central longitudinal axis. A relative speed control unit is operable between the rear main unit and the front main unit and capable of providing spin braking force to slow the relative speed of rotation of the front main unit. An at least one guiding fin radially extends from the front main unit. The pitch angle of the fin is controllable by a return spring connected to the fin so that the pitch angle of the fin is growing as the aerodynamic pressure on the fin lowers and it is growing smaller as the aerodynamic pressure on the fin gets bigger.

Abstract: The present invention provides a charging device for wireless hand controller and the charging system thereof, which comprises a charging device body, wherein, on the charging device body is provided with a charging chamber used to locate a device to be charged, on the bottom of the charging chamber is provided with at least two probes used to connect to electrodes of the device to be charged and at least one pop-up structure used to pop-up and eject the device to be charged when taking it out, and on each of two opposing side walls of the charging chamber is provided with at least one snap structure used to lock and fix the device to be charged. The arrangements of the pop-up structures and the snap structure make the placement or removal of the hand controller easier and more convenient.

Abstract: A guiding assembly is adapted to be connected to a projectile and comprising a rear main unit adapted to be connected to the front end of the projectile, and a front main unit rotatably connected at its rear end to the front end of the rear main unit. The front main unit is adapted to rotate about a central longitudinal axis. A relative speed control unit is operable between the rear main unit and the front main unit and capable of providing spin braking force to slow the relative speed of rotation of the front main unit. An at least one guiding fin radially extends from the front main unit. The pitch angle of the fin is controllable by a return spring connected to the fin so that the pitch angle of the fin is growing as the aerodynamic pressure on the fin lowers and it is growing smaller as the aerodynamic pressure on the fin gets bigger.

Abstract: A system and method for powering an air-drop device is presented. One configuration of the system includes an energy capture device, a generator and an electrical logic unit. The energy capture device converts the movement air passing by the air-drop tail device into kinetic energy. The generator converts that kinetic energy into electrical energy and the electrical logic unit can then be powered by the electrical energy allowing it to perform at least a portion of a mission.

Abstract: A device for enabling safe/arm functionality in a gravity dropped weapon detachably connected to an airframe. The device including: an elastic element disposed in a shell of the weapon; a releasable connection between the weapon and the airframe to release a stored and/or generated energy in the elastic element; and a piezoelectric member connected to one end of the elastic member for converting the one or more of the stored and generated energy to an electrical energy. Wherein the releasable connection includes: a link having a movable connection for movement of the link relative to the shell between a first position constraining the elastic element from movement and a second position releasing the elastic member to generate the electrical energy; and a lanyard for tethering the link to the airframe such that the link is moved to the second position upon the weapon being released from the airframe.

Abstract: Methods and devices for differentiating an actual air drop of a gravity dropped weapon from an accidental drop of the weapon onto a surface. The method including: connecting a first end of at least one lanyard to an airframe; releasably connecting a second end of the at least one lanyard to a power generation device such that release of the second end with the power generation device initiates power generation by the power generation device; and releasably connecting a third end of the at least one lanyard to at least a portion of an air velocity sensor such that release of the third end one of activates or exposes the air velocity sensor to an air stream; and differentiating the actual air drop from the accidental drop based at least on a detection of an air velocity by the air velocity sensor.

Abstract: A device for enabling safe/arm functionality in a gravity dropped weapon detachably connected to an airframe where the device includes: an elastic element disposed in a shell of the weapon; a releasable connection between the weapon and the airframe to release one or more of a stored and generated energy in the elastic element; and a piezoelectric member connected to one end of the elastic member for converting the one or more of the stored and generated energy to an electrical energy. The releasable connection can include: a link having a movable connection for movement of the link relative to the shell between a first position constraining the elastic element from movement and a second position releasing the elastic member to generate the electrical energy; and a lanyard for tethering the link to the airframe such that the link is moved to the second position upon the weapon being released from the airframe.

Abstract: A device for enabling safe/arm functionality in a gravity dropped weapon detachably connected to an airframe where the device includes: an elastic element disposed in a shell of the weapon; a releasable connection between the weapon and the airframe to release one or more of a stored and generated energy in the elastic element; and a piezoelectric member connected to one end of the elastic member for converting the one or more of the stored and generated energy to an electrical energy. The releasable connection can include: a link having a movable connection for movement of the link relative to the shell between a first position constraining the elastic element from movement and a second position releasing the elastic member to generate the electrical energy; and a lanyard for tethering the link to the airframe such that the link is moved to the second position upon the weapon being released from the airframe.

Abstract: Wellbore perforating devices are disclosed. In one example, a wellbore perforating device includes a plurality of shaped charges and a holder that holds the plurality of shaped charges so that upon detonation the charges intersect a common plane extending transversely to the holder.

Abstract: A power source including: a power generation device; a mass-spring unit having a mass and an elastic element operatively connected to the power generation device; and one or more retention fingers releasably engaged with the mass-spring unit for retaining the mass-spring unit in a position such that potential energy is stored therein and for releasing the potential energy upon occurrence of an event to generate electrical energy in the power generation device, the one or more retention fingers having a first end fixed at a base and a second end releasably engaged with the mass-spring unit. The occurrence of the event can be one or more of an acceleration and spinning of the base. Also disclosed is a power source having one or more retention fingers that are slidable with respect to a base such that the engagement of the first end is released upon a spinning of the base.

Abstract: A fuze for a submunition comprises a fuze housing with a stabilizer ribbon for aerodynamic orientation, a fuze slider released by tension on the stabilizer ribbon, an air-powered electric generator extended into the airstream by the fuze slider and powered in flight by high-speed airflow, a MEMS safety and arming device, a fuze circuit board including an explosive fireset, and an electrically initiated firetrain. The fuze is fixed to and communicates explosively with the end of a grenade warhead.

Abstract: A hollow cylinder has an electromagnet to hold back a canister and either an induction heating linear actuator or a firing pin to ignite the primer-containing combustive material inside the canister to eject a locked piston from the cylinder. There is a motor-included turbogenerator around the cylinder, which converts the energy of the post-combustion gases into electricity to get stored and to power an integrated or separate annular stator assembly to give the ejected piston a rotatory motion for stability in projectile motion. Another device has a helically arranged, multi-pole permanent magnet assembly annularly integrated around the cylinder to give the ejected piston a rotatory motion for stability in projectile motion. In other forms, an annular stator assembly around the cylinder is supplied with switched, externally generated electric power without either a turbogenerator or the motor-included turbogenerator to respectively produce electricity or to provide gyroscopic stability to the cylinder.

Abstract: An apparatus for generating an electrical power upon an acceleration of the apparatus is provided. The apparatus including: a piezoelectric member having at least a portion thereof formed of a piezoelectric material; and a mass-spring unit having a spring element attached to the piezoelectric material and configured to compress and/or elongate within a predetermined limit, the mass-spring unit further having a mass offset from the piezoelectric material; wherein the mass-spring unit is configured to vibrate within the predetermined limit, upon the acceleration of the apparatus, the vibration applying a cyclic force to the piezoelectric member to generate an output power from the piezoelectric member.

Abstract: A method of determining a charging capacitance of a capacitor in an air bag system having an electronic control unit for controlling a gas generator, a bus line having a loop wire extending from the electronic control unit, gas generators connected to the loop wire, each gas generator having an igniter connected to the loop wire via a connector, one of the igniter and the connector being provided with an integrated circuit having the capacitor for providing power to a heat generating portion, a switching circuit for turning ON/OFF a supplying of current to the heat generating portion, and a microcomputer unit for controlling the switching circuit, the method including, determining a minimum charging capacitance of the capacitor necessary to operate the igniter based on a charging voltage and a minimum ignition energy required for making the heat generating portion of the igniter generate heat to ignite the priming.

Abstract: On-Board Power Generation System for a Guided Projectile eliminates the need for batteries as a power source to power the guiding mechanism residing inside the projectile. Instead, an electrical generator and a wind-driven turbine to drive the generator are utilized to produce power. In this way, a small portion of the projectile's kinetic energy is converted into electrical energy. The power thusly produced is, then, coupled to the guiding means. The projectile is appropriately configured to accommodate therein the power generaion system and air inlets and exhaust ports that are necessary to enable the system to operate.

Abstract: The technical field of the invention is concerned with smoke-generating devices and with powdered materials scattered by dispersion means in order to produce a camouflaging cloud which is effective in the infrared region. The material in accordance with the invention essentially consists of at least one powder having grains provided with a coating which is chemically inert with respect to the grain, which affords resistance to temperatures lower than or equal to the dispersion temperature, and which does not oxidize in free air.

Abstract: An integrated and mechanically aided warhead afterbody arming device for siles using mechanical rotation of the missile to arm the warhead is disclosed. A self-contained electrical generation system provides electrical power for the proper arming of the warhead. Mechanical rotation energy is used to generate electrical power for warhead arming. Revolution counters and mechanical detents are used to prevent premature arming.

Abstract: A missile having a rotor ring, which has at least one adjustable fin actuated by the relative rotation between the rotor ring and the missile. At least one motor is arranged between the rotor ring and the missile, and a control device is provided which allows the motor to work as a generator and performs the fin adjustment.

Abstract: A missile with adjustable flight controls capable of altering the missile's flight path is disclosed. The missile comprises an electric generator and control electronics. The electric generator is used in this invention both to provide electrical power to the control electronics and to regulate the flight controls. A mechanical connection is created between the generators rotor and the flight controls. The generator is electrically coupled to the control electronics through an electrically variable load. The control electronics alters the load which varies the rotational speed of the generator. This in turn affects the flight controls and the flight path is altered accordingly. The invention is small and compact, allowing its use in small missiles such as mortar or artillery shells.

Abstract: A power relay/safing device for a fuze in a free-fall munition having an electronic circuit coupled to the fuze and to a primary power source and to a turbine generator backup power supply. At the time of munition release, an electric current is sent to the fuze from the primary power supply. If a portion of this electric current is not received at the electronic circuit, the circuit determines if various safety features have been satisfied and relays a second electric current from the turbine generator backup power supply to the fuze. The turbine generator backup power supply is activated by a lanyard at the time the munition is released.

Abstract: A safe and arm device including a sensor-controlled switch arrangement in an electrical series-circuit, which is arranged ahead of a secondary-explosive detonator, especially for a submunition-projectile. The safe and arm device possesses a first switch which is actuatable at the presence of a surrounding air onflow against the submunition carrier in dependence upon a submunition ejecting command; and wherein a second switch is actuatable by the first switch when the submunition-projectile has released itself from its carrier and has implemented a transition into a gliding flight phase searching for a target.

Abstract: A detonator securing device for the combat charge of a projectile, including a detonator locking slide, and an impeller-generator movable along a slider guide transverse of the longitudinal axis of a projectile to a position outwardly of the wall thereof, the electrical energy of which generator serves for the release of a securing latch for the detonator locking slide.

Abstract: A rotational brake member controls the rotational velocity of an electric generator assembly housed within a projectile. The assembly includes an air-driven turbine and an electric generator. The brake member is affixed to the turbine which drives a rotatable element of the generator to produce electric power. The brake member is formed from an elastically deformable material and is adapted to contact the stationary surface proximate the periphery of the brake member at a predetermined angular velocity. In addition, a shock absorbing member formed from an inelastically deformable material is positioned to absorb shock to the turbine when the projectile is fired. Preferably, the generator further includes an elastomeric seat for biasing the turbine away from the shock absorbing member after the projectile has been fired.

Abstract: A low-profile generator contained within a housing and suitable for energizing electrical bomb fuzes is disclosed. A generating device attaches to an inside surface of a hinged cover. The cover pivots between a closed position where the generating device cannot engage a fluid flow and an open position where fluid flow causes a turbine to rotate and the generating device to produce electricity. Several safeguards are provided each of which tend to prohibit an unwanted opening of the cover.

Abstract: An air driven electrical generator, carried by a weapon, supplies low voltage electrical energy to a storage capacitor which in turn supplies reoccurring constant amounts of electrical energy to the primary of a flyback transformer. The secondary of the flyback transformer supplies relatively high voltage electrical energy to a slapper detonator capacitor.

Abstract: A microcomputer controlled electronic fuze capable of surviving a hard tat impact is disclosed comprising two epoxy potted printed circuit boards mounted back to back of which one of the boards is designed to survive impact and contains the microcomputer controller, storage charge, timing circuit, and fire pulse detonator circuit. The other board carries an electric motor drive circuit for mechanical timing and detonator alignment, a detonation delay command storage circuit, and an AC rectifier and voltage regulator circuit coupling a wind turbine generator power supply to the fuze.

Abstract: A bomb having an electrical fuze is provided. A charging device is located ithin the bomb, and a wind driven energizing means is located within the charging device. Means are also provided for causing the energizing means to pop-up out of the charging device so as to expose the energizing means to the wind. A signal is produced when the energizing means pops-up out of the charging device. Power generated by the energizing means is supplied to the fuze only if the energizing means is activated by the wind within a preset time of the signal occuring.

Abstract: The nose portion of a missile having a ram air turbine for driving an electric generator for supplying electric power to the electric circuits of the missile, especially of its fuse, is designed in a special manner in order to provide, at high missile speeds, a throttling of the air flow, whereby the speed of rotation of the turbine may be kept within reasonable limits. Thus, the air inlet is divided in a plurality of inlet ducts arranged as a wreath around the foward end of the missile. Further, the outlet openings are forwardly directed and co-operate with the shock waves from the acute forward end of the missile and from an annular edge surrounding the wreath of inlets but lying radially inside the outlet openings.

Abstract: In a combination fuze for missiles comprising a current generator which is driven by a ram air operated means having ram air supplied through an inlet in the nose portion of the missile and supplying electric energy to an electric firing circuit which comprises an electric detonator and means adapted to detonate the electric detonator before the missile reaches the target, and comprising a mechanical percussion switch adapted to cause detonation of the missile upon impingement of the missile against the target, the mechanical percussion switch comprises a sting sensitive detonator surrounded by a metal foil and a firing needle which is included in the electric firing circuit. Upon impact the relative movement between the firing needle and the sting sensitive detonator induces such a circuit configuration of the firing circuit that triggering of the electric detonator will take place.

Abstract: 1. An electronic control circuit, a plate supply for said circuit, an eleonic grid-controlled power tube controlled through its grid by the output of said control circuit, a translating device energized by said power tube in response to the output of said control circuit, a condenser connected to serve as a plate supply source for said power tube, circuit connections for charging said condenser from said first plate supply, an unsymmetrical resistance in said circuit connections arranged to offer a high impedance to passage of charging current from said first plate supply to said condenser, but to offer low impedance to discharge of said condenser into the plate supply, whereby upon reduction of said plate supply voltage below a safe operating level, said condenser voltage will be rapidly reduced to a value below the operating value.

Abstract: 1.

Abstract: A missile for discharge towards a target, comprises a power source, an explosive charge, a release unit, and a sensor means adapted to influence the release unit in response to certain conditions appearing during the flight of the missile towards the target. The missile further comprises a plurality of explosive elements which have their own power source, explosive charge, detonator unit and sensor means, and which under the influence of the release unit are separated from the missile and independently thereof approach the target for under certain conditions sensed by the sensor means to detonate individually at a desired distance from the target. The power source of each explosive element is a chargeable condensor battery which during the flight of the missile is connected to and charged by the power source of the missile. The power source of the missile comprises a rotating generator mounted in the front part of the missile and driven by ram-air during the flight thereof.