Patent ID: 7331766

Claim:
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, an oil lubricating device for supplying bearing areas of the drive shaft with lubricating oil, the oil lubricating device comprising a lubricating oil reservoir lying above an oil sump in the housing and fillable from the oil sump by a lubricating oil conveying device, and the oil lubricating device further comprising 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 a lubricating oil monitoring device 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.