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. 01, 2007
Filed:
Jul. 06, 2005
Walter Hofmann, Mulfingen, DE;
Gunter Streng, Schrozberg, DE;
Jochen Schwarz, Schöntal-Berlichingen, DE;
Walter Hofmann, Mulfingen, DE;
Gunter Streng, Schrozberg, DE;
Jochen Schwarz, Schöntal-Berlichingen, DE;
EBM-Papst Mulfingen GmbH & Co. KG, Bachmuhle, DE;
Abstract
The present invention relates to an electric motor having a high degree of protection against the ingress of foreign particles and moisture, in particular an electronically commutated external rotor DC motor, having a stator (), having a rotor () and having an electronics housing () which extends transversely with respect to the motor shaft () and accommodates in its interior () a printed circuit board () having open-loop and closed-loop control electronics and commutation electronics. In this case, connection openings () are located in a base () of the electronics housing (), connection elements (), which connect the stator () and the printed circuit board () to one another, passing through the connection openings (), and a seal () seals at least the connection openings () in the base () of the electronics housing () through which the connection elements () pass. The seal () comprises a plate like partition wall () which is arranged on the base () of the electronics housing () and serves the purpose, on the one hand, of physically sealing the electronics housing () and, on the other hand, of sealing the gaps in the electronics housing ().