Electricity: transmission to vehicles – Conductors – Trolley
Patent
1997-07-18
1999-03-16
Le, Mark T.
Electricity: transmission to vehicles
Conductors
Trolley
B60M 500
Patent
active
058818510
ABSTRACT:
An overhead electrification plant for railway lines, or similar, comprises at least one electric wire (9), the so-called contact wire, to power an engine, extending in a predetermined position along the railway line, and being held up by a plurality of suspension elements (3) arranged at predetermined intervals. The suspension elements (3) are at least partially composed of complex metal structures (4, 6, 7, 8) in the form of a polygon, and supported by fixed lateral standards (1) so as to project therefrom. In at least some sections of the track (B), the suspensions have equal and constant geometries, i.e. the suspension elements (3) are similar in the geometrical sense, whereas the only variable is the different overall transverse extension of the suspension elements (3) in the different points of the railway track (B).
REFERENCES:
patent: 418704 (1890-01-01), Duggan
patent: 803215 (1905-10-01), Davis et al.
patent: 942143 (1909-12-01), Kando
patent: 946135 (1910-01-01), Kando
patent: 1150067 (1915-08-01), Schaake
patent: 1653855 (1927-12-01), Holzel
patent: 5380961 (1995-01-01), Ronning et al.
Alstom Transport Electrification
Creighton Wray James
Le Mark T.
Narasimhan Meera P.
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