Rotational-part supporter
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United States of America Patent
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N/A
Issued Date -
Jan 23, 2003
app pub date -
Mar 27, 2002
filing date -
Jul 19, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention provides a rotational-part supporter in which one of either an inner part or an outer part is fixed, and the other one is rotated, and a main rotational shaft lies between the inner and outer parts. A number of revolutions below a set number of revolutions based on a lubrication lifetime predicted for each rotational bearing (3) is stored in a memory (61) disposed in a lubricant supply controller (6). When the number of revolutions obtained by actual rotation reaches the stored number of revolutions in the rotational bearing (3) after supplying a lubricant, the controller (6) issues a signal indicating that a lubricant should be newly supplied, and thereby a safe operation can be realized.
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