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US 3,932,717 AGranted
High-explosive driven crowbar switch
AssigneeThe United States of America as represented by the United States Energy Research and Development Administration
InventorsRobert S. Dike, Ralph W. Kewish, Jr.
Life of this patent
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Abstract
The disclosure relates to a compact explosive driven switch for use as a low resistance, low inductance crowbar switch. A high-explosive charge extrudes a deformable conductive metallic plate through a polyethylene insulating layer to achieve a hard current contact with a supportive annular conductor.
Claims2
An explosive driven low inductance crowbar switch comprising:
- a deformable driven plate 22 at a first potential;
- a die plate 24 for shaping the deformation of driven plate 22 and for supplying a current joint edge;
- an insulation layer 26 disposed between said driven plate 22 and said die plate 24;
- a conductive annular anvil 28 for establishing first arc contact with plate 22 and for stopping and establishing a press fit contact with said driven plate 22;
- and
- a detonator 12 and a pressure transfer medium 20 disposed adjacent driven plate 22 for selectively deforming a portion of said driven plate 22 and for driving said portion through insulation layer 26 first into arc contact with annular anvil 28, second into physical contact against anvil 28, and third into a press fit with die plate 24 and anvil 28.
3 more elements
Dependencies are inferred from the claim text.