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:
Oct. 07, 2003
Filed:
Jan. 11, 2001
Applicant:
Inventors:
Todd J. Saltzman, Raleigh, NC (US);
William B. Griffin, Raleigh, NC (US);
Assignee:
Captive-Aire Systems, Inc., Youngsville, NC (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24H 3/02 ;
U.S. Cl.
CPC ...
F24H 3/02 ;
Abstract
A heated make-up air system comprising a duct structure having a direct gas fired burner mounted therein. Adjacent the burner there is provided an opening for permitting air to flow there through. Mounted adjacent the opening one or more pivotally mounted panels or profile plates. The moveable panels or profile plates are spring-biased to assume a normally closed position. However, the moveable panels are moveable from the closed position to an open position in order to control air flow through the duct structure and past the burner.