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. 23, 2010
Filed:
Jul. 31, 2008
François Czajkowski, Linars, FR;
Jacques Saint-michel, Angouleme, FR;
Philippe Manfe, Linars, FR;
Hédi Kharrat, Saint-Michel, FR;
Michel Renard, Fleac, FR;
Luc Moreau, Angouleme, FR;
François Czajkowski, Linars, FR;
Jacques Saint-Michel, Angouleme, FR;
Philippe Manfe, Linars, FR;
Hédi Kharrat, Saint-Michel, FR;
Michel Renard, Fleac, FR;
Luc Moreau, Angouleme, FR;
Moteurs Leroy-Somer, Angouleme, FR;
Abstract
The present invention provides an electricity generator for a lighting tower having a plurality of discharge lamps, each lamp being of power greater than 750 W, the generator being arranged to be driven by an engine, the generator being a multiphase generator having n phases, where n is an even integer, each phase being independent in a magnetic circuit that is common to all of the phases and being configured to power one lamp, the generator comprising a rotor with permanent magnets, having 3 n poles, and a stator concentric with the rotor and subjected to the radial magnetic flux from the magnets, the stator comprising a stack of laminations of silicon iron having a silicon content greater than 0.5% and of individual thickness greater than 0.35 mm, defining 4 n magnetic circuit teeth, with every other tooth carrying a winding.