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:
Aug. 26, 2014

Filed:

Sep. 30, 2011
Applicants:

John K. Langgood, Cary, NC (US);

Thomas F. Lewis, Raleigh, NC (US);

Kevin M. Reinberg, Chapel Hill, NC (US);

Kevin S. D. Vernon, Durham, NC (US);

Inventors:

John K. Langgood, Cary, NC (US);

Thomas F. Lewis, Raleigh, NC (US);

Kevin M. Reinberg, Chapel Hill, NC (US);

Kevin S. D. Vernon, Durham, NC (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/00 (2006.01); F04D 25/06 (2006.01); F04D 27/00 (2006.01); F04D 29/60 (2006.01);
U.S. Cl.
CPC ...
F04D 25/0613 (2013.01); F04D 27/008 (2013.01); F04D 29/601 (2013.01);
Abstract

A fan brake for a fan system. The fan system may include a fan assembly configured for seating into a cassette housing. The fan assembly may include a fan having a plurality of blades connected with a fan hub. The fan brake may be connected to the fan assembly, wherein the fan brake engages the fan hub when the fan housing is not fully seated within the cassette housing, and the fan brake disengages the fan hub when the fan assembly is fully seated into the cassette housing.


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