Rail system having wheel-engaged hydraulic piston-and-cylinder assembly, and such an assembly
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United States of America Patent
Stats
-
Sep 29, 1981
Grant Date -
N/A
app pub date -
Nov 5, 1979
filing date -
Nov 15, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a rail system one or more hydraulic assemblies comprising a movable cylinder (6) with a wheel-engaged rounded head (7) and a fixed piston (4) within the cylinder (6) are located adjacent a running rail (1). When engaged by passing rail wheels (2) the assembly provides pressurized fluid which is fed into a pressure line which leads to means for switching a set of points. Energy is thus extracted from moving rail vehicles and it is unnecessary to provide long-distance power supplies to a set of points.
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