b) for assisting a user deploy air burst munition (ABM, 10) from a rifle (20) in an intuitive manner is described. The WPU has a ballistic processor (112), wireless communication channels (120), a vibrator (130), a display (130), a mode button (150) and up/down select buttons (160, 161). After an ABM is selected and loaded into the rifle, and a deployment distance entered in the WPU, the ballistic processor calculates and outputs a time of burst T and barrel angle alpha. The barrel angle alpha is received by a sighting unit (104) and appears as a target marker. Once the rifle is tilted and/or moved so that a centre of the sighting unit coincides with the target marker, the WPU vibrates as a signal to the user to trigger the rifle.
F41G 3/06 - Aiming or laying means with rangefinder
F41G 3/16 - Sighting devices adapted for indirect laying of fire
F42B 12/34 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect expanding before or on impact, i.e. of dumdum or mushroom type
The present invention describes a tactical back pack system (100,1100,3100,3100a-3100c). The tactical back pack system is used together with a hip-belt (400,3400). A quick attach-release adapter (300,1300) allows a rucksack (102,3102) to be quickly attached to a user's hip-belt. The quick attach-release adapter (300,1300) together with a jettison connector (380,1380,2380) located on a shoulder harness allow the rucksack (102) to be jettisoned from the shoulder of the user's master hand by tugging on a trigger cord (360). In another embodiment, an attachment strap (3157)-Molle straps ladder (ML) connection and a connector-buckle connection at a stabilizing strap (3151) both allow quick donning or release of the rucksack. With elastic load suspension and load compaction on a backframe (110) or an attachment panel (3600), an adjustable back-height (140,370,1370,3140) and an adjustable shoulder harness (150,3150) features allow the rucksack (102,3102) to be adaptable, compatible and reconfigurable yet provide comfort and enhance user mobility.
xTyzyz) in a plane lateral to the flight direction. Upon final determination, the algorithm (200) employs an analog timer (120) to issue an arm trigger signal (147), whilst algorithm (200a) relies on an internal timer in the microcontroller. After issuing the arm trigger signal, a piston actuator (153) coupled to a slider (154) and associated locking pin (155), and a rotor member (156) provide additional mechanical safety sequence before fuzing.
F42C 15/40 - Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically
F42C 15/24 - Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected by inertia means
F42C 9/02 - Time fuzes; Combined time- and percussion- or pressure-actuated fuzes; Fuzes for timed self-destruction of ammunition the timing being caused by mechanical means
F42C 11/06 - Electric fuzes with time delay by electric circuitry
4.
System for countering an unmanned aerial vehicle (UAV)
b) are dispersed in the flight path to create a streamer cloud, so that a streamer may entangle with propellers of the UAV and bring down the UAV, or as a warning or fence marking shot.
F42B 5/02 - Cartridges, i.e. cases with propellant charge and missile
F42B 5/16 - Cartridges, i.e. cases with propellant charge and missile characterised by composition or physical dimensions or form of propellant charge or powder
d) coupled to a propulsion cartridge (105); each projectile comprises a shell (110), a body member (140) and an ogive (180). A safe-and-arm mechanism (150) is located in the body member. A seat member (160) and a plunger (166) are assembled on a forward face of the body member so that a leading end of the plunger is in contact with an inside tip surface of the ogive, or a hollow guide member (184) is integrally formed with an inside tip surface of the ogive. In the armed state, upon impacting on a door/barricade (5), the plunger or hollow guide/sleeve impinges on a detonator pin (164), which then sets off a chain of explosive charges (152, 120, 122) whilst the projectile is still outside the door/barricade. The grenade is made substantially of polymer parts.
F42B 12/20 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
F42C 1/04 - Impact fuzes, i.e. fuzes actuated only by ammunition impact with firing pin structurally combined with fuze operating by inertia of members on impact
F42C 1/08 - Impact fuzes, i.e. fuzes actuated only by ammunition impact with firing pin structurally combined with fuze with delayed action after ignition of fuze
F42C 15/184 - Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved using a slidable carrier
ADVANCED MATERIAL ENGINEERING PTE. LTD. (Singapore)
Inventor
Wankewycz, Taras
Li, Aidan
Zhang, Xiaohu
Abstract
The present application describes an improved portable proton exchange membrane fuel cell (PEMFC) system (100) and apparatus (200) integrated with a hydrogen generator that produces hydrogen gas from the exothermic MgH2 hydrolysis reaction in order to produce electrical energy needed for soldier worn electronics, gears, etc. The disclosed PEMFC apparatus and system has much higher gravimetric energy density values compared to conventional batteries due to use of fuel cells and a hydrogen-rich hydrogen storage material of MgH2. The PEMFC system provides several safety features when the power system is portable and carried by the respective user.
H01M 8/065 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by dehydriding metallic substances
C01B 3/00 - Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
H01M 8/0662 - Treatment of gaseous reactants or gaseous residues, e.g. cleaning
H01M 8/04007 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
H01M 8/04082 - Arrangements for control of reactant parameters, e.g. pressure or concentration
C01B 3/06 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
The present invention describes a portable proton exchange membrane fuel cell (PEMFC) system and apparatus to generate electric power, which is suited to be carried in a pouch. The PEMFC system provides several safety and protective features when the PEMFC system or apparatus is portable and carried by a user. The PEMFC system or apparatus comprises a cooling coil disposed in the water storage vessel to cool the generated hydrogen gas to a predetermined temperature, a buffer tank is disposed downstream of the cooling coil, so that the condensed water collected in the buffer tank is recycled back into the water storage vessel via a recollection solenoid valve. The system or apparatus further comprises a check valve disposed in a discharge line connecting the water pump to the reactor vessel, wherein the discharge line comprises a tubing with a predetermined rupture pressure range to provide a non-recoverable fail-safe mechanism for the system or apparatus.
H01M 8/065 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by dehydriding metallic substances
C01B 3/06 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
H01M 8/22 - Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elements; Fuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen or hydrogen
9.
SYSTEM FOR COUNTERING AN UNMANNED AERIAL VEHICLE (UAV)
The present invention describes an air-burst projectile (130) and a system (200) for deploying the airburst projectile to counter an unmanned aerial vehicle (UAV) 10. Each airburst projectile includes one or more spinners (140, 140a-140d); each spinner has a sleeve or a tube (146), a number of radial partition plates (148, 148a-148d) extending from the sleeve/tube and an annular rear plate (144) connected to the sleeve. Adjacent partition plates thus form a compartment (150). Disposed in each compartment is a streamer or streamers (170,170a,170b), which are formed in a coiled-up state. When the airburst projectile is deployed into a flight path of a target UAV, the spinners (140, 140a-140d) are ejected and the streamers (170,170a,170b) are dispersed in the flight path to create a streamer cloud, so that a streamer may entangle with propellers of the UAV and bring down the UAV, or as a warning or fence marking shot.
This invention describes embodiments of door breaching grenades (100,100a,100b,100c,100d). Each grenade comprises a projectile (101,101a,101b,101c,101d) coupled to a propulsion cartridge (105); each projectile comprises a shell (110), a body member (140) and an ogive (180). A safe-and-arm mechanism (150) is located in the body member. A seat member (160) and a plunger (166) are assembled on a forward face of the body member so that a leading end of the plunger is in contact with an inside tip surface of the ogive, or a hollow guide member (184) is integrally formed with an inside tip surface of the ogive. In the armed state, upon impacting on a door/barricade (5), the plunger or hollow guide/sleeve impinges on a detonator pin (164), which then sets off a chain of explosive charges (152, 120, 122) whilst the projectile is still outside the door/barricade. The grenade is made substantially of polymer parts.
The present invention discloses a lightweight hybrid cartridge case (100) for a cartridged ammunition and a method of manufacture (200). The lightweight hybrid cartridge case (100) includes a cap (110) with a cylindrical sidewall (112) connected a base (120); a polymer shell (150) is insert-molded onto the sidewall of the cap; and an overmolded sleeve (180) is formed to cover the metal-polymer joint between the cap (110) and the polymer sleeve (150). The cylindrical sidewall (112) covered by the overmolded sleeve (180) has a plurality of stepped ridges (132, 132a), preferably with one stepped ridge (133) having a C-stepped edge (134).
ADVANCED MATERIAL ENGINEERING PTE. LTD. (Singapore)
Inventor
Aw, Cheng Hok
Ang, Thomas Yong Lim
Sie, Soo Chew
Huang, Siwei
Abstract
A wearable programming unit (WPU) (1 10, 1 10a- 1 10b) for assisting a user deploy air burst munition (ABM, 10) from a rifle (20) in an intuitive manner is described. The WPU has a ballistic processor (112), wireless communication channels (120), a vibrator (130), a display (130), a mode button (150) and up/down select buttons (160, 161). After an ABM is selected and loaded into the rifle, and a deployment distance entered in the WPU, the ballistic processor calculates and outputs a time of burst T and barrel angle alpha. The barrel angle alpha is received by a sighting unit (104) and appears as a target marker. Once the rifle is tilted and/or moved so that a centre of the sighting unit coincides with the target marker, the WPU vibrates as a signal to the user to trigger the rifle.
ADVANCED MATERIAL ENGINEERING PTE. LTD. (Singapore)
Inventor
Yap, De Tao, Francis
Chua, Yao Wei, Alfred
Cheng, Man Yun, Michelle
Ho, Fook Heng
Aw, Cheng Hok
Abstract
The present invention provides a modular heads-up augmented reality (AR) display system (100, 100a, 100b) that is removeably attached onto a host spectacle (10) or onto a helmet (15). The AR display system includes a processor module (110), a battery module (170), a trunking module (180) disposed between the processor and battery, and a display (projection) module (200). The display (projection) module is pivoted onto the processor module in an extended position (to provide AR view 300) or in a retracted position (for full reality view 300a). User interfaces of the AR display modes are intuitive and help to reduce cognitive load on the user. The AR display system provides a choice of realtime or autonomous control of an unmanned forward equipment (103). When configured for autonomous control a drone (103b), a multi -modal controller (400) allows the user a choice of voice control (1420), gesture control (1430) or brain sensory control (1440).
ADVANCED MATERIAL ENGINEERING PTE. LTD. (Singapore)
Inventor
Cheng, Man Yun Michelle
Ho, Fook Heng
Yap, De Tao Francis
Chua, Yao Wei, Alfred
Aw, Cheng Hok
Ong, Chuan En, Andrew
Abstract
The present invention provides portable hydrogen generators (100, l00a-l00e, 500) with portable cartridges (110, 510) containing a hydride and/or borohydride. The borohydride (132,132a) and hydride (134,134a) can be configured in a two-stage configuration or a three-stage configuration with an additional Li hydride (136); the hydride or borohydride can also be powder (530) disposed in a multi-cellular cartridge (510). Water for hydrolysis of the hydride/borohydride is supplied as mist through a mist nozzle (182, 182a), as steam when the water supply is internally heated by exothermic reaction after an initial hydrolysis of has taken place, or as stoichiometric doses releasable by puncturing a bladder (526) or by activating a valve connected to a water receptacle (526a) disposed inside each reaction chamber.
C01B 3/06 - Production of hydrogen or of gaseous mixtures containing hydrogen by reaction of inorganic compounds containing electro-positively bound hydrogen, e.g. water, acids, bases, ammonia, with inorganic reducing agents
ADVANCED MATERIAL ENGINEERING PTE. LTD. (Singapore)
Inventor
Aw, Cheng Hok
Ho, Fook Heng
Yap, De Tao Francis
Chua, Yao Wei Alfred
Cheng, Man Yun Michelle
Abstract
The present invention provides a protective vest (100, 100a, 100b, 100c) with a cool spreader (150), hot spreader (160) and active cooling mechanisms (200). The protective vest may be used with a uniform (1000), which incorporates passive cooling mechanisms (2000). Each active cooling mechanisms (200), including a TEM (210), a heat pipe (230), a heat sink (240), an insulator (250) with plenums (260) and a blower (270), is controlled by a micro-controller (280) and an adaptive algorithm (285) in response to three temperature sensors (290, 292, 294). The passive cooling mechanisms (200) include super absorbent polymer (SAP), phase change materials (PCM), phase change composites (PCC) and thermal conductive fibres (1040); when wetted, the SAP, PCM or PCC expands cyclically and gives rise to cyclical regenerative cooling.
The present invention describes a casing ejection system (300) for a firearm that employs a bolt carrier assembly (100). The casing ejection system (300) includes an actuator rod (305) and an L -shaped deflector (350) to sweep a casing (12) laterally into an ejection chute (500). The actuator rod (305) is disposed substantially above the bolt carrier assembly (100). The casing (12) in the ejection chute is then ejected through an ejection port (600) located at a position forward of a trigger and to one side of the firearm. A bolt (230) of the bolt carrier has a latch cam pin (250) pivotedly connected to the bolt. When the bolt is not received in the bolt carrier, the latch cam pin (250) obstructs a central bore inside the bolt to prevent a firing pin (235) from being inserted.
F41A 15/00 - Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun
F41A 15/12 - Cartridge extractors, i.e. devices for pulling cartridges or cartridge cases at least partially out of the cartridge chamber; Cartridge ejectors, i.e. devices for throwing the extracted cartridges or cartridge cases free of the gun for bolt-action guns
F41A 35/06 - Adaptation of guns to both right and left hand use
The present invention describes an electronic fuze operable to complement a mechanical point impact fuze. The electronic fuze includes a voltage generator circuit, micro-controller, a piezo-electric sensor, a firing circuit and a safety lockout circuit. When a projectile strikes a target at an optimum angle, the mechanical point impact fuze is activated; when the strike angle is oblique, the mechanical point impact fuze may be ineffective but the piezo-electric sensor is operable to trigger the firing circuit. The safety lockout circuit ensures the firing circuit is operative only after a predetermined delay time when an n-channel FET is turned OFF. The micro-controller also generates a TIME-OUT signal, which provides for self-destruction of a projectile that has failed to explode.
F42C 15/40 - Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically
F42C 15/188 - Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved using a rotatable carrier
18.
PROJECTILE WITH FIRE-SAFE INFRA-RED STRIKE POINT MARKING
A projectile (100, 100a, 100b, 100c) containing two chemiluminescent dye components (123, 125), a dye powder (126) and one or more capsules (170) containing a pyrophoric substance. Upon impact at a target, a nose cap (110) of the projectile (100, 100a, 100b, 100c) and the capsule(s) (170) become broken, thereby allowing the pyrophoric substance to oxidize and emit an infra-red signal to mark the strike point. Oxidation of the pyrophoric substance is controlled, to allow the projectile to be fire-safe.
F42B 12/40 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling of target-marking, i.e. impact-indicating, type
F42B 12/36 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling
F42B 8/14 - Projectiles or missiles disintegrating in flight or upon impact
The present invention provides a grenade launcher (100) in which a barrel (130) is connected to a receiver arm (110a) by a barrel pivot (150) and a releasable latch mechanism (170). When the barrel (130) is released from the receiver arm (110a) by the latch mechanism (170), the barrel pivot (150) allows the barrel to droop about 5 degree about a transverse Y-axis at the barrel pivot (150) and at the same time allowing the barrel to be turned laterally about a vertical Z-axis to the left or right hand side of the receiver arm. A top surface of the receiver arm has a Picatinny rail (120), a forward end of which is disposed a stopper plate (122) to secure a pivot pin (152) within the receiver arm (110a). The stopper plate (122) is provided to transmit recoil forces to an external device connected at the Picatinny rail (120).
F41A 9/45 - Loading arrangements, i.e. for bringing the ammunition into the firing position the cartridge chamber or the barrel as a whole being tiltable between a loading and a firing position
F41C 27/06 - Adaptations of smallarms for firing grenades, e.g. rifle grenades, or for firing riot-control ammunition; Barrel attachments therefor
F41A 35/06 - Adaptation of guns to both right and left hand use
d) breaks and a rear crusher (130) behind the ampoule throws the ampoule (122) forward and sputters the luminous dye out of the nose cap (110); at the same time, the dye powder (126) surrounding the ampoule is sputtered out to mark the point of impact. In addition, a thermal glow is also provided to mark the point of impact. Projectiles also allow light tracing.
F42C 13/02 - Proximity fuzes; Fuzes for remote detonation operated by intensity of light or similar radiation
F42B 12/40 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling of target-marking, i.e. impact-indicating, type
The present invention describes an improved cartridged projectile (100). The cartridged projectile (100) comprises a projectile (110) seating at a mouth of a cartridge case (130). The cartridge case (130) has a base (134) that houses a high pressure chamber (150). A side of the high pressure chamber (150) is capped by a pressure disc (170), which is secured onto the base of the cartridge case by a nozzle ring (160). The nozzle ring (160) has a tapered or conical surface that allows the pressure disc (170) to flex, and a surface (171) of the pressure disc (170) exterior of the high pressure chamber has intersecting V-shaped grooves (172). When propellant in the high pressure chamber (150) is burned efficiently, high pressure gases developing inside the high pressure chamber cause the pressure disc (170) to rupture at a predetermined pressure along the grooves (172) so that the gases propel the projectile (110) out of a barrel at a higher speed of about 100 m/s or more.
The present invention provides a coupling device for linking and delinking rounds/cartridges on an ammunition belt formed by a chain of shaped link, each carrying one round/cartridge. Each shaped link having a keyhole slot and a connector, the coupling device comprises a pair of round holders abutting to each other along a longitudinal side thereof, the two round holders are slidable against each other along the longitudinal side, the round holders are adapted with a recess for holding one round each and a channel across the two round holders for receiving the connector and the keyhole slot. Operationally, when the two round holders are slid to disconnect the connector from the keyhole slot to delink the round.
The present invention describes an electronic fuze (200) operable to complement a mechanical point impact fuze (101). The electronic fuze (200) includes a voltage generator circuit (210), micro-controller (220), a piezo-electric sensor (262), a firing circuit (280) and a safety lockout circuit (290). When a projectile (50) strikes a target at an optimum angle, the mechanical point impact fuze (101) is activated; when the strike angle is oblique, the mechanical point impact fuze may be ineffective but the piezo-electric sensor (262) is operable to trigger the firing circuit (280). The safety lockout circuit (290) ensures the firing circuit (280) is operative only after a predetermined delay time when an n-channel FET (292) is turned OFF. The micro-controller (220) also generates a TIME-OUT signal, which provides for self-destruction of a projectile that has failed to explode.
F42C 15/196 - Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved using a rotatable carrier rotatable in a plane which is parallel to the longitudinal axis of the projectile by the action of centrifugal or inertia forces on the carrier body, e.g. the carrier having eccentrically mounted weights or eccentric centre of gravity
F42C 1/09 - Impact fuzes, i.e. fuzes actuated only by ammunition impact with firing pin structurally combined with fuze the fuze activating a propulsive charge for propelling the ammunition or the warhead into the air, e.g. in rebounding projectiles
F42C 15/40 - Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically
The present invention describes an improved cartridged projectile (100). The cartridged projectile (100) comprises a projectile (110) seating at a mouth of a cartridge case (130). The cartridge case (130) has a base (134) that houses a high pressure chamber (150). A side of the high pressure chamber (150) is capped by a pressure disc (170), which is secured onto the base of the cartridge case by a nozzle ring (160). The nozzle ring (160) has a tapered or conical surface that allows the pressure disc (170) to flex, and a surface (171) of the pressure disc (170) exterior of the high pressure chamber has intersecting V-shaped grooves (172). When propellant in the high pressure chamber (150) is burned efficiently, high pressure gases developing inside the high pressure chamber cause the pressure disc (170) to rupture at a predetermined pressure along the grooves (172) so that the gases propel the projectile (110) out of a barrel at a higher speed of about 100 m/s or more.
The present invention describes a projectile (100,100a,100b,100c,100d) containing two luminescent dye components (123,125) and a dye powder (126). The first luminescent dye component (123) is contained in an ampoule (122) whilst the second luminescent dye component is contained in a vial (124) disposed inside the ampoule (122). A front crusher (120,120a) is provided at a front of the ampoule to crush into the ampoule and vial, thereby allowing the dye components to react and give a luminous glow. Upon impact at a target, a nose cap (110) of the projectile (100,100a,100b,100c,100d) breaks and a rear crusher (130) behind the ampoule throws the ampoule (122) forward and sputters the luminous dye out of the nose cap (110); at the same time, the dye powder (126) surrounding the ampoule is sputtered out to mark the point of impact. In addition, a thermal glow is also provided to mark the point of impact. Projectiles also allow light tracing.
F42B 12/40 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling of target-marking, i.e. impact-indicating, type
F42B 12/42 - Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for signalling of illuminating type, e.g. carrying flares
26.
In-flight programming of trigger time of a projectile
Advanced Material Engineering Pte Ltd. (Singapore)
Inventor
Ang, Thomas Yong Lim
Ng, Say Him
Aw, Cheng Hok
Abstract
The present invention describes methods for programming trigger time of a projectile (60) based on remaining flight time to a target (P) after the projectile (60) is airborne. The actual muzzle (Vo) and flight speeds (V1, V2, etc.) are independently determined and compared to those used by the ballistic computer (30), and a better estimate of trigger time is accordingly used to activate detonation of the projectile (60). In one embodiment, a Kalman algorithm is used to provide a better estimate of the projectile's flight speeds obtained by independent methods to provide the better estimate of the trigger time.
G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
27.
IN-FLIGHT PROGRAMMING OF TRIGGER TIME OF A PROJECTILE
ADVANCED MATERIAL ENGINEERING PTE LTD. (Singapore)
Inventor
Ang, Yong Lim, Thomas
Ng, Say Him
Aw, Cheng Hok
Abstract
The present invention describes methods for programming trigger time of a projectile (60) based on remaining flight time to a target (P) after the projectile (60) is airborne. The actual muzzle (Vo) and flight speeds (V1, V2, etc.) are independently determined and compared to those used by the ballistic computer (30), and a better estimate of trigger time is accordingly used to activate detonation of the projectile (60). In one embodiment, a Kalman algorithm is used to provide a better estimate of the projectile's flight speeds obtained by independent methods to provide the better estimate of the trigger time.
F42C 15/42 - Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically from a remote location, e.g. for controlled mines or mine fields
F42C 15/40 - Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein the safety or arming action is effected electrically
F42C 17/04 - Fuze-setting apparatus for electric fuzes
F42C 11/06 - Electric fuzes with time delay by electric circuitry
The present invention provides a self destruction impact fuse for fail-proof detonating a projectile, preferably a low velocity projectile. The present invention further provides a projectile that can be detonated reliably even at low velocity.
F42C 9/18 - Double fuzes; Multiple fuzes for self-destruction of ammunition when the spin rate falls below a predetermined limit, e.g. a spring force being stronger than the locking action of a centrifugally-operated lock
F42C 15/20 - Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing pin
F42C 15/188 - Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a carrier for an element of the pyrotechnic or explosive train is moved using a rotatable carrier
F42C 15/22 - Arming-means in fuzes; Safety means for preventing premature detonation of fuzes or charges wherein a securing-pin or latch is removed to arm the fuze, e.g. removed from the firing pin using centrifugal force
29.
ADAPTOR FOR COUPLING PROJECTILE AND PROPULSION UNIT
The present invention relates to cartridged ammunition for conventional weaponry comprising an adaptor for coupling a projectile and a propulsion unit. The projectile has a head section and a base section. The adaptor has a top surface, a bottom surface and a side surface, wherein the top surface is configured to accommodate the base section of the projectile. The propulsion unit has a base, and a cylindrical wall extending from the base to form a receptacle, wherein the receptacle is configured to accommodate the adaptor and the base section of the projectile. The adaptor enables the projectile to be coupled to propulsion units made of different materials. Furthermore, the adaptor couples different profiles of projectiles and propulsion units without any need for design modifications. The assembled cartridged ammunition can be fired electrically or mechanically.
patents
