Class 102/263 - Vane or fluid pressure operated

Subclass of Class 102 - Ammunition and explosives
Definition: Subject matter in which the switching means is caused to
No. of patents: 26
Last issue date: 07/03/2007

Number	Title	Issue Date
7239225	Pyrotechnic circuit breaker A circuit breaker including a pyrotechnic element configured to ablate, tear, or cut a portion of the circuit. The portion of the circuit to be broken may be formed to be readily broken and/or may be a current load-based fuse. Also, the circuit breaker may be config...	07/03/2007
7222561	Pyromechanical cutting element A pyromechanical cutting element has a housing (2) in which an electrical conductor (3) is arranged, a cutting plunger (5) with a cutting tool (8) to cut through the electrical conductor (3), and pyrotechnic charge (13) to d...	05/29/2007
7205879	Chisel for a pyromechanical disconnecting device The invention relates to a pyromechanical disconnecting device having a housing (2) in which an electrical conductor (3) is arranged, having a cutting plunger (5) and a cutting chisel (8) made of plastic arranged thereon for severing the ...	04/17/2007
7150228	Gas pressure switch A gas pressure switch is provided for an ignition and safety system for ammunition. The switch includes a housing; a piston actuator within the housing, the piston actuator being displaceable from an idle position to a contacting position by propellant gases of the ...	12/19/2006
7123124	Pyrotechnic circuit breaker A circuit breaker including a pyrotechnic element configured to ablate or cut a portion of the circuit so as to break the circuit, thereby breaking the circuit. The portion of the circuit to be broken may be specially formed to be readily ablated or cut, and/or may ...	10/17/2006
6952332	Vacuum arc eliminator having a bullet assembly actuated by a gas generating device A vacuum arc interrupter that includes a vacuum chamber assembly and a pressure chamber assembly. The vacuum chamber assembly includes a vacuum chamber and a first conductor which is structured to be coupled to a circuit. The first conductor is disposed within the v...	10/04/2005
5886285	Variable range timer impact safety system An arming system for a missile which prevents destruction of the missile side of a specified area. The missile may be launched from a submarine, and follow a water-air-trajectory, and includes a variable-range timer acting in conjunction with an impact d...	03/23/1999
5808253	Circuit-breaking apparatus A circuit-breaking apparatus is formed of an insulating housing, first and second electrodes located at both ends of the insulating housing, a detonator located in the first electrode, a lead connected to the detonator for supplying an electric current to...	09/15/1998
5483895	Detonation system for detonating explosive charges in well In well perforating operations, it is necessary to detonate shaped charges suspended in the well. To avoid dangerous detonation at the surface, a pressure responsive mechanism is set to respond to a pressure indicative of operation at a selected depth. Th...	01/16/1996
5131328	Safety and arming system for tube launched projectile An inertia element within a projectile is displaced to a retracted position y acceleration of the projectile during launch to unblock displacement of a slider to an armed position in response to subsequent pressurization of a projectile flight motor. Safe ...	07/21/1992
4932325	Safety device for an aerodynamic body fuse A safety device for use in low-speed aerodynamic bodies. The pressure conditions at the outer contour of the flying equipment are used for obtaining an arming criterion of a fuse. A slide is movable from a safe to an armed position. In the safe position, ...	06/12/1990
4899659	Safe and arm device A safe and arm device having a bellows motor-driven rotor bearing a detonr. When the device is in the SAFE condition the detonator is shrouded by an airpot piston extending from one end of a spring secured within the airpot cylinder in the housing. The a...	02/13/1990
4852494	Explosively actuated switch A body member has an opening formed therein. A receiving contact is located in the opening of the body member and has an electrical lead connected thereto which extends out of the body member. The receiving contact has a cavity with an opening at one end ...	08/01/1989
4800814	Arming devices An arming device for a missile having a rotating tail fin assembly is disclosed. The device includes a distance counter comprising a given length of coiled tape contained within a rotatable drum, the length of the tape being determined by the distance req...	01/31/1989
4727810	Safe and arm device for a secondary-explosive detonator 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 w...	03/01/1988
4632035	Arming method and devices for firing a submarine weapon The present invention relates to arming methods and devices for firing a submarine weapon. A device according to the present invention comprises a piston connected by a strip to a bistable arming organ. The piston shifts inside a cylindrical body between ...	12/30/1986
4587903	Tripping system for electrical percussion fuses An ignition system for projectiles, such as shells, bombs, or rockets is disclosed. The system has a pressure chamber defined by a double-diaphragm switch and a cap of a deformable material. The diaphragm of the double-diaphragm switch, which defines one ...	05/13/1986
4526104	Safety-arming device A safe-arm device for use in a fuel-air explosive munition carried by an craft. The device has a housing having an environmental seal which is separated from the housing upon munition release to form a seal opening, a pressure probe for obtaining static ...	07/02/1985
4527025	Miniature delay switch A delayed action switch embodied in a tubular casing adapted to be incorporated in a missile or a guided projectile. For example, the Redeye missile is activated by a soldier who keeps it against his shoulder. As he pulls the trigger, the missile takes of...	07/02/1985
4417519	Explosive switch An extremely fast operating, explosive operated, switch wherein a torus supports and insulates the facing ends of flat wires of the open circuit to be closed. An explosive input is applied to a conducting piston swage member which normally is insulated fr...	11/29/1983
4359942	Switch actuator An improved switch actuator, for safe and arm applications requiring utmost ependability in order to preclude a premature or false arming sequence, utilizes a plurality of simultaneous input signals from independently coded pneumatic, optical and electrica...	11/23/1982
4300451	Method and apparatus for measuring pneumatic differential drag forces A differential drag apparatus is disclosed for detecting air pressure forces on a drag-sensing body. The body is movable in response to a predetermined magnitude of air pressure force. A pressure regulator responds to the movement of the body by releasing...	11/17/1981
4164186	Submarine signal fuze A signaling device to be launched underwater having a fuze body and a protile containing pyrotechnic compositions. The pyrotechnic compositions are ignited by an electrical squib which is detonated by voltage from a sea water battery which is sealed from...	08/14/1979
4094247	Switch actuator A switch actuator, for safe and arm applications requiring utmost dependaity in order to preclude a premature or false arming sequence, utilizes a plurality of simultaneous input signals from independently coded pneumatic optical and electrical sources t...	06/13/1978
3994231	Guided missile warhead fuze A guided missile fuze comprising a safety-arming mechanism. Upon intentio launch of the missile the explosive train of the fuze is mechanically and electrically aligned, provided prescribed launch and flight events occur and a specific time has elapsed. ...	11/30/1976
3933096	Gyroscopic rate switch A gyroscopic rate switch is held in an open position by a torsionally resined gimbal in a pressurized compartmentalized housing. Run-up of the rotor, uncaging of the gimbal, and actuation of electrical switches is accomplished by controlled release of pr...	01/20/1976

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Class 102/263 - Vane or fluid pressure operated