US Patent 7237962 Prestressed bearing for electrical machines

Patent 7237962 was granted and assigned to Bosch (company) on July, 2007 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

7237962

Date of Patent

July 3, 2007

Patent Application Number

10525943

Date Filed

July 31, 2003

Patent Citations Received

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US Patent 11764637 Inner-rotor motor

Patent Primary Examiner

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Lenard A. Footland

Patent abstract

The present invention relates to an electrical machine 1, in particular an electric motor, with a housing 2 and covers 3, 4 that close the housing 2 and contain bearings 7, 8 that rotatably support a rotor 5. According to the present invention, spring elements 7.3, 8.3 are provided that act upon at least one bearing shell 7.1, 7.2, 8.1, 8.2 each of bearings 7, 8 with a compression force acting in the axial direction, whereby the mounting of the bearing shell 7.1, 7.2, 8.1, 8.2 that is acted upon by one of the spring elements 7.3, 8.3 is configured as a sliding fit.