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:
May. 03, 2005
Filed:
Sep. 19, 2003
Mathias Woydt, Berlin, DE;
Jean-thierry Audren, Saint Remy les Chevreuse, FR;
Francois Hodar, Orsay, FR;
Mathias Woydt, Berlin, DE;
Jean-Thierry Audren, Saint Remy les Chevreuse, FR;
Francois Hodar, Orsay, FR;
Sagem SA, Paris, FR;
Abstract
This invention relates to a system, especially adapted for high-power motors, comprising at least one rotor () and means () comprising active elements () capable of rotating the rotor(s) () by their synchronized deformation; said rotating means of the rotor(s) comprising at least one petal () comprising a hot top (), characterized in that the material of each hot top () is such that it has a thermal mass capacity (Cp) of greater than 0.35 [J/g/K], and/or the material of each rotor () is such that it has a thermal capacity of greater than 2 [J/cm/K].