Compact device for long stroke energy absorption

Details Compact device for long stroke energy absorption Compact device for long stroke energy absorption

1987-02-04

1988-12-13

Askin, Laramie E.

Electricity: conductors and insulators

Overhead

Towers, poles or posts

188371, 248 58, 248548, H02G 718, H02G 704, F16F 712

Patent

active

047912430

ABSTRACT:
A compact device for absorbing kinetic energy generated by, for example, broken electric power lines on electric power transmission towers. The device consists of a non-spring helix, or in or out of plane flat coils that are placed between an electric transmission tower and the conductor insulator. The device deforms by plastically uncoiling in response to forces greater than a predetermined force. The device is a single-event device, designed to be replaced after one extraordinary dynamic event. The device can also be used in other structures or machinery requiring compact long stroke energy absorption.

REFERENCES:
patent: 3005866 (1961-10-01), Fraser et al.
patent: 3586131 (1971-06-01), Le Mire
patent: 3705740 (1972-12-01), Shiomi et al.
patent: 4258934 (1981-03-01), Tsuge et al.

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