Compressor
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United States of America Patent
Stats
-
Feb 19, 2008
Grant Date -
Jan 20, 2005
app pub date -
Jul 14, 2004
filing date -
Jul 16, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a compressor for gaseous media, in particular, refrigerants, comprising a housing, a drive shaft mounted in the housing, at least one compressor unit arranged in the housing and driven by the drive shaft, and an oil lubricating device for supplying bearing areas of the drive shaft with lubricating oil, in order to solve the problem that the compressor should be shut down when the oil supply of the oil lubricating device fails, it is proposed that the oil lubricating device comprise a lubricating oil reservoir lying above an oil sump in the housing and fillable from the oil sump by a lubricating oil conveying device, that the oil lubricating device comprise a lubricating oil duct system extending through the drive shaft for taking up lubricating oil from the lubricating oil reservoir via an inlet disposed on the drive shaft and conducting it to the bearing areas, and that a lubricating oil monitoring device be provided for detecting by means of a sensor associated with the lubricating oil reservoir the presence of lubricating oil in the lubricating oil reservoir and switching off the compressor when there is a shortage of lubricating oil.
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