Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location
Patent
1987-06-03
1989-06-27
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
For fault location
174 11R, 324512, 324 65R, 340602, 379 26, G01R 3108
Patent
active
048433276
ABSTRACT:
A detection and location system, e.g. liquid leaks, comprising a trunk line sensor cable and at least one branch line cable; each of the cables comprise two insulated conductors and two non-insulated conductors which are not connected to each other in the absence of a leak but which become connected upon occurrence of a leak. In the trunk line cable, the insulated conductors form part of a circuit which enables the location of a leak to be detected. In the branch line, one of the insulated conductors and one of the non-insulated conductors are connected so as to form a loop connecting the ends of the non-insulated conductors of the branch cable.
REFERENCES:
patent: 3234459 (1966-02-01), Brazee
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patent: 3460123 (1969-08-01), Bass
patent: 3560850 (1971-02-01), Hojding
patent: 3668472 (1972-06-01), Shields et al.
patent: 4013924 (1977-03-01), Christensen et al.
patent: 4442422 (1984-04-01), Murata et al.
Koppitsch Heinrich
Sparling Francis C.
Burkard Herbert G.
Eisenzopf Reinhard J.
Mueller Robert W.
Raychem Corporation
Richardson Timothy H. P.
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