The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 2002
Filed:
Jun. 27, 1996
Martin Sigmundstad, Hafrsfjord, NO;
Den Norske Stats Oljeselskap A.S., Stavanger, NO;
Abstract
A sealing arrangement for a swivel ( ) comprising inner and outer mutually rotatable swivel members ( ), wherein the swivel members have respective inner fluid paths communicating with each other through one or more associated annular spaces ( ) at the interface between the swivel members. A first one ( ) of the swivel members on each side of the annular space ( ) is provided with a peripheral groove ( ) receiving a radially displaceable ring element ( ) provided with sealing means ( ) which are arranged for static sealing against the other swivel member ( ) and for dynamic sealing between the ring element ( ) and the side walls of the peripheral groove ( ), so that the first swivel member ( ) apart from the ring elements ( ) is rotatable in relation to the other swivel member ( ).