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:
Sep. 28, 2004
Filed:
Dec. 04, 2002
Applicant:
Inventors:
Jens Tornblad, Kristinehamn, SE;
Christer Häger, Kristinehamn, SE;
Sven-Gunnar Karlsson, Kristinehamn, SE;
Gunnar Styrud, Kristinehamn, SE;
Assignee:
Rolls-Royce Aktiebolag, Kristinehamn, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B63H 1/100 ;
U.S. Cl.
CPC ...
B63H 1/100 ;
Abstract
The invention comprises a propulsion system for ships comprising an impeller ( ), a stator shell ( ), and a impeller housing ( ) for achieving a waterjet, a shaft ( ) for the propulsion of the impeller ( ), and a bearing arrangement for the shaft ( ) in the stator shell ( ), and preferably a sealing ( ) of the shaft ( ) in the impeller housing ( ), wherein said bearing arrangement comprises at least one sliding bearing unit ( ) intended to carry axial load, and which sliding bearing preferably is water lubricated.