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:
Sep. 30, 2003
Filed:
Nov. 01, 2001
Applicant:
Inventors:
Darton J. Zink, Tulsa, OK (US);
Rex K. Isaacs, Tulsa, OK (US);
Tim Kirk, Morris, OK (US);
John McDonald, Broken Arrow, OK (US);
Cody L. Little, Coweta, OK (US);
Assignee:
Zeeco, Inc., Broken Arrow, OK (US);
Primary Examiner:
Int. Cl.
CPC ...
F23C 5/00 ; F23L 7/00 ;
U.S. Cl.
CPC ...
F23C 5/00 ; F23L 7/00 ;
Abstract
An improvement for an ejector having at least one discharge port effective for delivering a flow of fuel into a heating system such that flue gas in the heating system is entrained in the flow of fuel. The improvement comprises the ejector having an aerodynamic shape effective for increasing entrainment of the flue gas in the flow of fuel at the region of discharge adjacent the discharge port.