Ammunition and explosives – Igniting devices and systems – Ignition or detonation circuit
Patent
1969-06-30
2000-08-22
Jordan, Charles
Ammunition and explosives
Igniting devices and systems
Ignition or detonation circuit
102216, 114 201, F42C 100, F42C 1106, F42C 1404
Patent
active
061055042
ABSTRACT:
Actuating circuitry which may be used with a contact exploder, useful on a orpedo, for example, which is sensitive not only to direct hits but also to abrasive damage or sea water exposure caused by grazing contact, but insensitive to changes in its velocity or momentum or unwanted environmental background, such as shock, vibration and electromagnetic field variation. The exploder includes a normally insulated and shielded wire which traverses that part of the surface of the missile which is most likely to make contact with a target. The wire is so connected into associated actuating circuitry that it will cause explosion if: (1) even grazing contact with a target causes removal of even a small amount of the insulation and shielding of the wire, which causes grounding of the circuitry at the wire; or (2) even grazing contact opens or breaks the wire at any point. The circuitry may include a "fail-safe" feature which prevents explosion in the event that the wire has inadvertently opened or shorted before the start of tactical operation.
REFERENCES:
patent: 2887056 (1959-05-01), Perret
patent: 2961961 (1960-11-01), Kendall et al.
patent: 3106160 (1963-10-01), Harnau et al.
patent: 3111089 (1963-11-01), Dodson
patent: 3111901 (1963-11-01), Dodson et al.
patent: 3158705 (1964-11-01), Bliss
patent: 3372642 (1968-03-01), Brothers
patent: 3690259 (1972-09-01), Piazza et al.
Ayres Dwight T.
Key, Jr. Carroll L.
Pigott Miles T.
Wislicenus George F.
Fendelman Harvey
Jordan Charles
Montgomery Christopher K.
Stan John
The United States of America as represented by the Secretary of
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