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The inductive store opening switch includes a cartridge casing comprising a length of metal tubing, for disposition between a pair of electrical buss bar conductors and in contact with both so as to establish a path for electrical current therethrough. The tubular casing, having inner and outer surf

The inductive store opening switch includes a cartridge casing comprising a length of metal tubing, for disposition between a pair of electrical buss bar conductors and in contact with both so as to establish a path for electrical current therethrough. The tubular casing, having inner and outer surfaces, is scored on its outer surface to establish a rupturing point. The scoring on the outer surface may constitute many different geometric forms. A solid body of inert material is insertable within the casing and disposed adjacent the rupturing point of the casing. A propellant cartridge carrying a combustible material, such as gun powder, is disposed within the casing opposite the inserted body so as to define a cavity volume within the casing proximate the rupturing point of the casing. The cartridge further includes structure for igniting the material. The oxidation-gas products produced by ignition of the material in the propellant cartridge expand into the volume defined within the casing and cause rupturing of the casing along the scoring, thereby breaking the electrical current path established by the casing. Reinforcement members extending circumferentially of the casing on opposite sides of the scoring, may be used to control the extent of rupturing of the casing and control the gap width between casing halves. Alternatively, the casing may be ruptured by introduction of a pressurized fluid by the dumping of fluid from a high pressure accumulator into the cavity volume using a fast-acting valve.

대표청구항 ▼

An inductive store opening switch for breaking a connection between a pair of electrical conductors, comprising: a casing to be disposed between a pair of electrical conductors so as to establish a path for electrical current therebetween; said casing being scored on its outer surface to establish a

An inductive store opening switch for breaking a connection between a pair of electrical conductors, comprising: a casing to be disposed between a pair of electrical conductors so as to establish a path for electrical current therebetween; said casing being scored on its outer surface to establish a rupturing location thereon; a first body inserted within said casing and disposed adjacent the rupturing location on the casing; a second body inserted within said casing adjacent the rupturing location on the casing and opposite said first inserted body so as to define a cavity within the casing proximate the rupturing location; and means for establishing fluid pressure within the cavity in the casing sufficient to produce rupturing.