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:
Mar. 23, 1993
Filed:
Feb. 04, 1991
Ramon A Medina, Houston, TX (US);
Forney International, Inc., Addison, TX (US);
Abstract
In a pilot light igniter for a burner, an inner tube for receiving fuel gas is concentrically positioned within an outer tube for receiving air in the annular space between the inner tube and the outer tube. Apertures are formed in the inner tube to impart angular momentum to the fuel gas as it flows from the inner tube into the annular space so that the mixture of air and gas swirls as it flows to the open distal end of the outer tube. A spark disk is provided on the end of the inner tube and a flame rod extends axially from the spark disk. The air and fuel mixture is ignited by a spark produced by high voltage applied between the spark disk and the outer tube. A low voltage source applied between the flame rod and the outer tube causing current pulses provides an indication of the presence of a flame.