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. 04, 2001
Filed:
Aug. 09, 1999
Gerhard Pflueger, Markgroeningen, DE;
Ludwig Bolz, Waiblingen, DE;
Uwe Knappenberger, Muehlacker, DE;
Thomas Bilsing, Bietigheim-Bissingen, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
An electrical machine is proposed, preferably a rotary current generator (,), with a rectifier component (,) at the rear end area of its end shield (,), in which dissipation of waste heat is to be improved. Positive and negative heat sinks (,) with the positive and negative diodes (,), respectively, are screwed to the end shield (,) so as to be sandwiched together with a printed circuit board (,) for the connection between diodes and winding connections (,) with the inclusion of an insulating plate (,). The upper heat sink (,) has a plurality of cooling air openings (,) arranged next to one another at the inner circumferential area for a cooling air flow generated by the fan of the machine. In order to improve the dissipation of heat, axial cooling fins (,) are formed on at least at some of the cooling air openings (,) of the upper heat sink (,).