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. 24, 2016
Filed:
Apr. 12, 2012
Peter Feuerstack, Ludwigsburg, DE;
Erik Weissenborn, Stuttgart, DE;
Martin Kessler, Schwaebisch Gmuend, DE;
Peter Feuerstack, Ludwigsburg, DE;
Erik Weissenborn, Stuttgart, DE;
Martin Kessler, Schwaebisch Gmuend, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
The invention relates to an energy storage device () for generating an n-phase supply voltage for an electric machine (), wherein n≧1, with n energy supply branches which are connected in parallel and which can each be connected to one of n phase conductors (), wherein each of the energy supply branches has a large number of energy storage modules () which are connected in series and which each comprise: an energy storage cell module () which has at least one energy storage cell () and a coupling device (), which is designed to connect the energy storage cell module () selectively into the respective energy supply branch or to bridge said energy storage cell module, wherein in each case at least one of the energy storage modules () also has in each case one heating element () for the at least one energy storage cell (); and a heating device (), which is connected to the heating elements () and which is designed to actuate the heating elements () for heating the energy storage cells () in the groups of energy storage modules ().