Apparatus for measuring temperature at a hot point along an elec

Details Apparatus for measuring temperature at a hot point along an elec Apparatus for measuring temperature at a hot point along an elec

1987-10-21

1989-04-04

Yasich, Daniel M.

Thermal measuring and testing

Temperature measurement

Composite temperature-related paramenter

174 11R, 340592, 374202, G01K 520, H02G 100

Patent

active

048192503

ABSTRACT:
Apparatus for measuring temperature at a hot point along an energy transmission cable (1) when the temperature exceeds a fixed limit temperature, the apparatus comprising a tube (3) containing a liquid which is vaporizable in the vicinity of said limit temperature and which is disposed in the energy transmission cable or in contact with its periphery, together with means for detecting an increase in the vapor pressure of said liquid at least one point along said tube, the apparatus being characterized in that said tube is connected at one of its ends to means for detecting an increase in the pressure exerted by the liquid at said end.

REFERENCES:
patent: 2686215 (1954-08-01), Fondiller
patent: 3187080 (1965-06-01), Ball
patent: 3510762 (1970-05-01), Leslie
patent: 3571486 (1971-03-01), Kennedy
patent: 4327242 (1982-04-01), Saito
Electrical Review, vol. 199, No. 15, Oct. 15, 1976, p. 48.
IEEE Transactions on power apparatus and systems, vol. PAS-89, No. 7, Sep.-Oct. 1970, pp. 1429-1433, Kortschinski et al.

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