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. 15, 2015
Filed:
Jun. 24, 2013
Lateb Ramdane, Vernon, FR;
Cornelius Petrus Antonius Vissers, Den Dungen, NL;
Lateb Ramdane, Vernon, FR;
Cornelius Petrus Antonius Vissers, Den Dungen, NL;
SKF MAGNETIC MECHATRONICS, Saint-Marcel, FR;
Abstract
An electrical machine () coupled to a compressor () having a rotatable shaft (), comprising: a rotor forming part of the rotatable shaft and having at least two magnetic portions (A,B) separated by an inclined non-magnetic portion () shaft, a stator comprising a laminated magnetic iron stack () surrounded by a winding () and disposed along a periphery of the rotor to define a first annular gap (), a ring () of non-magnetic material disposed around the stator, a DC coil () disposed around the non-magnetic ring, and a casing () of magnetic material disposed around the DC coil and having radial walls (A,B) that project inwardly towards the rotor by defining a second annular gap () therebetween.