Compressor

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7331766
APP PUB NO 20050011704A1
SERIAL NO

10891659

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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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.

First Claim

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Patent Owner(s)

Patent OwnerAddress
BITZER KUEHLMASCHINENBAU GMBHPETER-SCHAUFLER-PLATZ 1 SINDELFINGEN 71065

International Classification(s)

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  • 2004 Application Filing Year
  • F04B Class
  • 784 Applications Filed
  • 292 Patents Issued To-Date
  • 37.25 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20042005200620072008200920102011201220132014201520160255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barowsky, Helmut Bergfelde, DE 4 126
Ullrich, Wolfgang Halle, DE 9 87

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Patent Citation Ranking

  • 1 Citation Count
  • F04B Class
  • 3.58 % this patent is cited more than
  • 17 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges12205772010424101 - 1011 - 2021 - 3031 - 4041 - 5061 - 7071 - 8081 - 900102030405060708090100110120130140150160170180190200210220

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