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. 08, 2000
Filed:
Nov. 26, 1997
Applicant:
Inventors:
Douglas O Clyne, Yale, MI (US);
David K Lashbrook, Clyde Township, MI (US);
Assignee:
The Detroit Edison Company, Detroit, MI (US);
Primary Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
241121 ;
Abstract
A packing for preventing leakage of air between a rotating yoke of a coal pulverizer and an annular seal surrounding an extension of the yoke. The packing is a ring of compressible graphite. A band encircles the graphite ring and clamps it tightly against the yoke extension and against the seal.