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:
Jan. 21, 2014
Filed:
Dec. 05, 2011
Applicants:
Rui Zhou, West Bend, WI (US);
John A. Balcerak, Muskego, WI (US);
Craig R. Winterhalter, Cedarburg, WI (US);
Inventors:
Rui Zhou, West Bend, WI (US);
John A. Balcerak, Muskego, WI (US);
Craig R. Winterhalter, Cedarburg, WI (US);
Assignee:
Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/20 (2006.01); F28D 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An air cooled switching unit for a motor drive includes a forced air cooling chamber and a convective cooling chamber separate from the forced air cooling chamber. An exhaust port of the forced cooling chamber is configured to direct exhaust air across an outlet of the convective cooling chamber to induce an increased air flow through the convective cooling chamber thereby increasing the cooling capacity of the convective cooling chamber.