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:
Sep. 21, 2010
Filed:
May. 07, 2007
Marc Grimme, Paris, FR;
Jean-marc Parquet, Domont, FR;
Alain Carpentier, Paris, FR;
Claude Wartelle, Gouvieux, FR;
Marc Grimme, Paris, FR;
Jean-Marc Parquet, Domont, FR;
Alain Carpentier, Paris, FR;
Claude Wartelle, Gouvieux, FR;
Carmat, Paris, FR;
Abstract
According to the invention the rotary pump consists of an external gear () with internal teeth () in the form of a squirrel cage, and an internal gear (), housed in an off-centre manner in the interior of said external gear () and fitted with external teeth (D) intermeshing with said internal teeth () and consisting of a number of inferior teeth of a unit with the number of teeth of the later. The rotation means of said external teeth () comprise at least a bearing () centrally laid out in a flange end () of said aforementioned external gear () and the aforementioned external gear () is at least partly dismantled in order to introduce said internal gear ().