Rail vehicle bogie, a method of machining the bogie, and a tool for implementing the method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 14, 2000
Grant Date -
N/A
app pub date -
Oct 8, 1998
filing date -
May 18, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The bogie comprises an axle (14) rotatably mounted on a fixed underframe, and measurement apparatus for measuring a physical magnitude related to rotation of the axle (14). The measurement apparatus (34) comprises a metal disk (36) secured to the axle (14) and provided with at least one mark-forming perforation (40), and a fixed detection assembly (50) for detecting the mark, which assembly comprises at least one inductive proximity detector (52). Preferably, the disk (26) is fixed to a collector ring (26) of a current return assembly (24) for transferring the current coming from a motor of the bogie to the axle (14).
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