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:
Jul. 14, 2020
Filed:
May. 21, 2019
Applicant:
Safran Electrical & Power, Blagnac, FR;
Inventors:
David Michael Geier, Punta Gorda, FL (US);
Olivier Maka, Bradenton, FL (US);
Assignee:
SAFRAN ELECTRICAL & POWER, Blagnac, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 33/08 (2006.01);
U.S. Cl.
CPC ...
H01H 33/08 (2013.01); H01H 2205/002 (2013.01);
Abstract
An electrical switching device and related methods, for use in aerospace applications include a first static contact assembly, a second static contact assembly, a movable contact assembly for making an electrical connection between the first and second static contact assemblies. The first contact assembly, the second contact assembly and the movable contact assembly each include a silver contact that is percussion welded to the aluminum substrate. Before percussion welding, the silver contact includes a projection for focusing an arc during percussion welding.