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:
Nov. 26, 2019
Filed:
Jun. 15, 2015
Applicant:
General Electric Company, Schenectady, NY (US);
Inventors:
Andrew Lee Trimmer, Niskayuna, NY (US);
John Cottrill, Franklin, OH (US);
Douglas Lewis, Woodstock, VT (US);
Assignee:
GENERAL ELECTRIC COMPANY, Schenectady, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25F 3/02 (2006.01); C25F 7/00 (2006.01);
U.S. Cl.
CPC ...
C25F 3/02 (2013.01); C25F 7/00 (2013.01);
Abstract
Electrochemical machining of parts employs electric or voltage pulses in which current flows in a first direction and a second direction opposite from the first direction. The cathodic/anodic pulses switch between bulk machining and oxide removal pushing bulk material removal into a homogenous regime to obtain a smooth surface finish and appropriate form control during the electrochemical machining process compared to electrochemical machining employing an electric or voltage potential in which current flows in only one direction.