Sag compensating device for suspended lines

Details Sag compensating device for suspended lines Sag compensating device for suspended lines

2005-03-08

2005-03-08

Mayo, III, William H. (Department: 2831)

Electricity: conductors and insulators

Overhead

Ground clamps and cable clips

C174S0450TD, C174S0450TD

Reexamination Certificate

active

06864421

ABSTRACT:
A device that automatically compensates for heat-induced sag in a suspended line by using a shape memory alloy actuator. As the actuator it is heated, it contracts, producing a pulling force in the line, and thereby reducing sag.

REFERENCES:
patent: 3044763 (1962-07-01), Jorzenink
patent: 3729172 (1973-04-01), Casalta
patent: 3993197 (1976-11-01), Tann
patent: 4616103 (1986-10-01), Balteau
patent: 4695677 (1987-09-01), Ruth
patent: 5792983 (1998-08-01), Shirmohamadi
patent: 6057508 (2000-05-01), Shirmohamadi
patent: 2628250 (1978-01-01), None
patent: SU 974483 (1982-11-01), None

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