US Patent 7649293 Rotor of an electrical machine

Patent 7649293 was granted and assigned to Bosch (company) on January, 2010 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Bosch

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7649293

Date of Patent

January 19, 2010

Patent Application Number

10591844

Date Filed

March 17, 2005

Patent Primary Examiner

‌

Quyen Leung

Patent abstract

The rotor (1) of an electrical machine (10), having at least one permanent magnet (3), which is embodied as a hollow cylinder (5) and which has axial contact faces (20) that cooperate with corresponding axial clamping faces (22) of at least one retaining element (4), with which element the permanent magnet (3) is secured to the rotor (1), in which at least one of the clamping faces (22) has a knurling (46) extending in the radial direction.