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:
Dec. 02, 2014
Filed:
Oct. 24, 2011
Pierre Laboube, Lyons, FR;
Pierre Laboube, Lyons, FR;
Thermodyn, Le Creusot, FR;
Abstract
One aspect of the invention provides a centrifugal compressor unit () comprising a first motor (), at least one compressor () comprising a drive shaft () driven by the rotor () of the first motor () and a set of impellers () mounted on the drive shaft (). The first motor () and the compressor () are mounted in a gas-tight common housing () operated by the compressor unit (). The rotor () of the first motor () and the drive shaft () are connected by a flexible coupling () placed in the housing (). The compressor unit includes a second motor () that is placed in the housing and of which the rotor () is connected to the drive shaft () by a second flexible coupling ().