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:
Jun. 28, 2005
Filed:
Mar. 28, 2003
Applicants:
Brian W. Pahl, Louisville, KY (US);
Richard Comer, Georgetown, IN (US);
Inventors:
Brian W. Pahl, Louisville, KY (US);
Richard Comer, Georgetown, IN (US);
Assignee:
Filterwerk Mann & Hummel GmbH, Ludwigsburg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01M001/10 ; B01D036/00 ;
U.S. Cl.
CPC ...
Abstract
An apparatus and method for circulating coolant liquid between machine tools and a coolant filtering unit through an overhead return line. A small stream of clean coolant is diverted to a flush tank and the tank is pressurized, e.g., with compressed air. Periodic release of the pressurized liquid from the flush tank through the overhead return line flushes deposited chips and other sediments from the return line.