SHAFT SEAL AND A METHOD OF OPERATING SUCH A SHAFT SEAL

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20160146348A1
SERIAL NO

14905538

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The invention relates to a shaft seal (1), arranged to seal a rotatable drive shaft (2) from a high pressure area. The shaft seal (1) comprises a shaft seal housing (3), a first seal (10) and a second seal (20), wherein the first and second seals (10, 20) are positioned around the drive shaft (2) at different axial positions. A chamber (4) is created in between the first (10) and second seal (20), wherein the shaft seal (1) comprises a fluid supply (74-78) for supplying a pressurized fluid to the chamber (4). The first seal (10) is a mechanical seal positioned between the high pressure area and the chamber and the second seal (20) is a lip seal.

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Patent Owner(s)

Patent OwnerAddress
IHC HOLLAND IE B V2961 AW KINDERDIJK

International Classification(s)

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  • 2014 Application Filing Year
  • F16J Class
  • 613 Applications Filed
  • 500 Patents Issued To-Date
  • 81.57 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2014201520162017201820192020202120220255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Koning, Theodorus Adrianus Breda, NL 4 10
Van, Opstal Timothy Alexander Rotterdam, NL 4 15

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Patent Citation Ranking

  • 3 Citation Count
  • F16J Class
  • 25.15 % this patent is cited more than
  • 9 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges852361701 - 1011 - 20020406080100120140160180200220240260

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