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:
Jul. 20, 2004
Filed:
Oct. 31, 2002
Werner Bosen, Köln, DE;
Atlas Copco Energas GmbH, Köln, DE;
Abstract
A rotor of an expansion turbine for low-temperature applications that comprises a turbine rotor, wherein a cold gas is admitted and flows through the rotor centripetally. There is also a turbine shaft. There is also a stud screw that can be inserted in a threaded bore of the turbine shaft on the face side of the shaft that extends through the turbine rotor. There is also a rotor nut mounted on the protruding end of the stud screw. The turbine rotor is secured on the end of the turbine shaft in an overhung manner with the help of the rotor nut and the pre-tensioned stud screw. A rotor hub cap consisting of a heat-insulating material is mounted on the free end of the stud screw protruding into the cold gas flowing off, as well as on the rotor nut.