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:
Feb. 29, 2000
Filed:
Sep. 08, 1997
Applicant:
Inventors:
Scott R Little, Austin, TX (US);
Joseph F Pinkerton, Austin, TX (US);
Assignee:
Active Power, Inc., Austin, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05G / ; F16G / ;
U.S. Cl.
CPC ...
74572 ; 384903 ; 384624 ;
Abstract
A replaceable bearing cartridge assembly for use in a flywheel energy system and methods and apparatus for installing and removing the assembly are provided. The assembly includes a hollow bearing cartridge, an annular bearing, and an annular bearing retaining ring. The cartridge has an outer surface which is mounted at a port of a flywheel housing end plate. The annular bearing is mounted in the cartridge and held in place by the annular bearing retaining ring. The retaining ring acts as a backup bushing if the primary bearing fails.