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:
Aug. 31, 1999
Filed:
Nov. 01, 1996
Applicant:
Inventors:
Leonard Greiner, Long Beach, CA (US);
David M Moard, Long Beach, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F23D / ; F23J / ;
U.S. Cl.
CPC ...
431353 ; 431216 ; 431215 ; 431-8 ; 431-4 ;
Abstract
A fluid injector for use with a burner having at least a pair of concentric tubes which conduct at least two different fluids via inner and outer passageways to a discharge tip. The passageways having different linear fluid velocity rates which causes the issuing discharge flow of the fluids to constrict causing mixing and combining of the fluids for introducing to a combustion chamber. Protection of the injector from thermal melting or burning is provided by location of the injector within the coils of a feed preheater constituting a heat exchanger.