Sag compensator for suspended lines using rotary motion

Details Sag compensator for suspended lines using rotary motion Sag compensator for suspended lines using rotary motion

1996-12-10

1998-08-11

Sough, Hyung S.

Electricity: conductors and insulators

Overhead

Towers, poles or posts

H02G 702, H02G 704

Patent

active

057929831

ABSTRACT:
The invention used devices that change in length as a function of temperature to mitigate sag in a suspended line. The devices have actuators which change in length as a function of temperature. This change in length is transferred to a linkage mechanism, such as a cog or disc, which amplifies the change in length and changes it to rotational motion that tensions the suspended line. Therefore, the same change in temperature that causes the suspended line to sag will cause the device to actuate a rotary motion that reduces line sag.

REFERENCES:
patent: 3979554 (1976-09-01), Fesik
patent: 3993197 (1976-11-01), Walter
patent: 4144620 (1979-03-01), Schaeffer
patent: 4686325 (1987-08-01), Marsico
patent: 4695677 (1987-09-01), Ruth
patent: 4814550 (1989-03-01), Newberg
patent: 5374780 (1994-12-01), Pazdirek

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