Electricity: conductors and insulators – Overhead – Towers – poles or posts
Patent
1994-05-05
1995-03-21
Vo, Peter Dungba
Electricity: conductors and insulators
Overhead
Towers, poles or posts
363 68, 361676, E04H 1200, H02M 100
Patent
active
053998030
ABSTRACT:
A valve stack for high voltages includes a number of electrically interconnected valve modules, some of which are disposed one above the other. To prevent a large fire in a valve module from spreading upwards to valve modules positioned above it, fire screens are arranged between valve modules located one above the other.
REFERENCES:
patent: 2279791 (1942-04-01), Lamb
patent: 3394843 (1968-07-01), Grady, Jr. et al.
patent: 4475152 (1984-10-01), Ikegane et al.
patent: 4578745 (1986-03-01), Olsson
patent: 4583158 (1986-04-01), Ikegane et al.
patent: 4816980 (1989-03-01), Wiendl
Astrom Urban
Johansson Mats
Ruter Fredrik
Asea Brown Boveri AB
Dungba Vo Peter
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