Third rail system for track bound transport means

Details Third rail system for track bound transport means Third rail system for track bound transport means

1977-11-17

1980-08-26

Reese, Randolph A.

Electricity: transmission to vehicles

Conductors

Third rail

174 86, 174 99E, 191 441, 238 143, 238 144, 238231, 339 9E, B60M 126

Patent

active

042191084

ABSTRACT:
In a third rail system for electric railroads, double T shaped third rails are used, the web of which has an internal longitudinal slot to receive the guide projections of support insulators and for the space saving mounting of electrical and mechanical connecting parts of fixed and/or expansion joints. With this slot design, good heat transfer and at the same time, a large mechanical moment of inertia are obtained.

REFERENCES:
patent: Re3123 (1868-09-01), Wakeman
patent: 136530 (1873-03-01), McIntyre
patent: 842545 (1907-01-01), Hayward
patent: 934960 (1909-09-01), Dreibuss et al.
patent: 1077236 (1913-10-01), Weeber
patent: 3790725 (1974-02-01), Charamel et al.
patent: 3892299 (1975-07-01), Kilburg
patent: 3957142 (1976-05-01), Devolle

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