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. 20, 2004
Filed:
Jun. 24, 2002
Hubert Prouvost, Pau, FR;
Elf Exploration Production, Courbevoie, FR;
Abstract
The invention concerns an AC electric motor ( ) comprising a stator magnetic circuit including a first part ( ) whereon are mounted electrical windings ( and ) and a second recessed part ( ) wherein is mounted a rotor ( ). The invention is characterized in that the first part ( ) of the stator magnetic circuit and the electrical windings ( and ) are mounted inside a stator chamber ( ) with sealed wall, the second part ( ) of the stator magnetic circuit, the cylindrical rotor ( ) being located outside said chamber. The invention is applicable in the oil industry for pumping fluids in bottom holes producing hydrocarbons in liquid, gas or polyphase form and in chemical and nuclear industries for pumping dangerous or chemically harmful fluids.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile