Ring pellets for gas generators

Details Ring pellets for gas generators Ring pellets for gas generators

1990-07-13

1992-04-07

Nelson, Peter A.

Ammunition and explosives

Powder form

Composite type

102289, 102373, 86 10, C06B 4512

Patent

active

051017300

ABSTRACT:
Ring pellets for gas generators exhibit optimum reaction rates by having configurations which optimize such rates. The pellet has a central ignition duct; from the latter, outlet channels extend radially toward a rim of the pellet. Specific embodiments contain, on the topside and underside of the pellets, either conical recesses or annular channels or both. The pellets preferably exhibit a proportion of surface area/unit weight of from 4 to 7 cm.sup.2 /g, which can be set by variation of the channels and, respectively, of the recesses to obtain a desired value. The higher this value, the greater the reaction rate. The ring pellets are especially well suited for airbag generators which must display differently high reaction rates on the driver's side and on the front-seat passenger's side, and which are to exhibit at the same time a high breaking and abrasion stability.

REFERENCES:
patent: 677528 (1901-07-01), Maxim
patent: 3175497 (1965-03-01), Head
patent: 3492815 (1970-02-01), McCullough
patent: 3756025 (1973-09-01), McCullough
patent: 4817828 (1989-04-01), Goetz
patent: 4846368 (1989-07-01), Goetz

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