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:
Apr. 29, 2014
Filed:
Jun. 29, 2011
Sergey Mironets, Norfolk, CT (US);
James M. Koonankeil, Malborough, CT (US);
Edward F. Pietraszkiewicz, Southington, CT (US);
Thomas R. Davis, Yalesville, CT (US);
Sergey Mironets, Norfolk, CT (US);
James M. Koonankeil, Malborough, CT (US);
Edward F. Pietraszkiewicz, Southington, CT (US);
Thomas R. Davis, Yalesville, CT (US);
United Technologies Corporation, Hartford, CT (US);
Abstract
An apparatus and method for machining apertures into a conductive workpiece is disclosed. The apparatus has a tank capable of holding a dielectric fluid, and a fixture for holding the workpiece in the tank. An electric discharge machine with an electrode, a power supply connected to the electrode that produces machining pulses for electric discharge machining through the workpiece, and a controller for regulating the power supply and electrode position is also part of the apparatus. Finally, the apparatus has a pressure transducer connected to the fixture, and a process controller in communication with the electric discharge machine controller and pressure transducer.