Pyrotechnic delay for high g's application

Details Pyrotechnic delay for high g's application Pyrotechnic delay for high g's application

1987-03-25

1988-08-02

Jordan, Charles T.

Ammunition and explosives

Igniting devices and systems

Percussion primers or ignitors

10220213, 102272, 102499, F42C 1908

Patent

active

047607920

ABSTRACT:
An acceleration resistant pyrotechnic delay unit delays the ignition of a warhead subjected to high acceleration on launch and high deceleration on impact. The delay unit includes a delay cup housing a pyrotechnic train. The delay cup has a primer cavity a delay cavity and a detonator cavity. A frusto-conical passage extends between the primer cavity and the delay cavity, with the small diameter end opening into the delay cavity. Primer, delay and detonator components of the pyrotechnic train fill the respective cavities in the delay cup. The various components of the train are well supported on all surfaces to prevent fracture due to high acceleration and deceleration.

REFERENCES:
patent: 844225 (1907-02-01), Wratzke
patent: 3999484 (1976-12-01), Evans
patent: 4331078 (1982-05-01), Habbel et al.
patent: 4574702 (1986-03-01), Brandt

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