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.

Date of Patent:
Oct. 17, 2017

Filed:

Feb. 24, 2015
Applicant:

Johnson Electric S.a., Murten, CH;

Inventors:

Davide Parodi, Asti, IT;

Giovanni Delsant, Ferrere, IT;

Assignee:

Johnson Electric S.A., Murten, CH;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 25/08 (2006.01); F04D 19/00 (2006.01); F04D 29/58 (2006.01); F04D 25/06 (2006.01); B60K 11/04 (2006.01);
U.S. Cl.
CPC ...
F04D 25/082 (2013.01); F04D 19/002 (2013.01); F04D 25/0613 (2013.01); F04D 29/5806 (2013.01); B60K 11/04 (2013.01);
Abstract

A fan assembly has a support structure and a motor fixed to the support structure. The motor has a stator, an outer rotor and a controller. Components of the controller are in a thermal exchange relationship with a plate-like heat sink at one end of the stator. A fan, fixed to the rotor, has a hollow hub from which blades extend. Air flows through inlet openings in a front wall of the hub. The heat sink has a slit with an outer side, axially offset from the inner side. A portion of the heat sink forms a wing deflecting part of the air flow coming from the inlet openings through the slit to pass over the surface of the heat sink.


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