Bridge drive diagnostic system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jun 6, 2002
app pub date -
Aug 8, 2001
filing date -
Aug 8, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A diagnostic system for determining the existence of bridge tracking problems related to a relative difference of drive speeds of independent bridge drive motors on a crane. The diagnostic system includes at least one drive speed measurement unit (e.g., tachometer) that is utilized to measure the drive speed of each of the independent bridge drive motors on the crane. Generally, each drive speed is measured from the drive shaft and/or the drive wheel. The measured drive speeds are compared to determine if the relative difference is great enough to cause bridge tracking problems. The diagnostic system is portable and therefore usable on a plurality of cranes.
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