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. 30, 2015
Filed:
May. 08, 2013
Airbus Helicopters, Marignane, Cedex, FR;
Serge Giordano, Marseille, FR;
Vincent Bourget, Jonquerettes, FR;
Airbus Helicopters, Marignane Cedex, FR;
Abstract
An electrical power supply device () comprising a pole (), said pole () having a non-rotary casing () and a rotary casing () provided with fastener means () for fastening to a mast. The pole () includes a non-rotary converter () fastened to the non-rotary casing () and generating AC at a frequency higher than one kilohertz. The pole also includes a rotary transformer (), said rotary transformer () having a primary member () secured to the non-rotary casing () and a secondary member () secured to the rotary casing (), the primary member () being connected to the non-rotary converter () to receive said AC, and the secondary member () being suitable for electrically powering equipment () of a rotor ().