Railroad switch machine

Details Railroad switch machine Railroad switch machine

B - Operations, Transporting

61

L

346/3

B61L 7/04 (2006.01) B61L 17/00 (2006.01) E01B 7/02 (2006.01) E01B 7/20 (2006.01)

Patent

CA 2021058

ABSTRACT An electrohydraulic switch machine for moving switch points between two defined positions which utilizes a two position valve and which electrically resets the position of the valve each time the machine is initiated. 18

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