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. 16, 2019
Filed:
Sep. 21, 2015
Hamilton Sundstrand Corporation, Charlotte, NC (US);
Eric Karlen, Rockford, IL (US);
Sergey Mironets, Charlotte, NC (US);
Diana Giulietti, Tariffville, CT (US);
Kiley James Versluys, Hartford, CT (US);
Colette O. Fennessy, Bloomfield, CT (US);
William Louis Wentland, Rockford, IL (US);
HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);
Abstract
A method for forming a part includes: forming a first portion of the part at a first level; forming a second portion of the part at a second level; wherein forming the first and second portions includes exposing the first and second levels to a sintering process and portions of the first and second levels to an electron beam; causing a magnetorheological (MR) fluid to move into a passage inside the first and second portions; exposing the first and second portions to a magnetic field causing motion of particles in the MR fluid to move and break up sintered material in the passage; and removing some or all of the sintered material in the passage.