Automatic switching system

Details Automatic switching system Automatic switching system

1977-07-22

1980-01-29

Reese, Randolph A.

Railways

Car-carried propulsion system

Pneumatic

104148R, 104149, 104DIG1, 191 2, 307138, 361246, B61B 1312, B60L 900

Patent

active

041855612

ABSTRACT:
An automatic switching system particularly adapted for railroad hobbyists whereby the complicated polarity switching usually required is eliminated. Apparatus is associated with each insulation point in a track section (block) to sense the direction of train motion and automatically conform the polarity of the next track block upon which the train will enter if the next block is of an opposite polarity from the prior block section from which the train has left.

REFERENCES:
patent: 434871 (1890-08-01), Hunter
patent: 1857760 (1932-05-01), Loughridge
patent: 1865278 (1932-06-01), Rosenthal
patent: 3675586 (1972-07-01), Haddad
patent: 4034168 (1977-07-01), Brown

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