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. 03, 2002
Filed:
Mar. 19, 2001
Carl D. Edberg, Stafford Springs, CT (US);
Raymond D. MacWhinnie, Springfield, MA (US);
David J. Matteson, Avon, CT (US);
Raymond W. Cournoyer, Enfield, CT (US);
Alstom (Schweiz) AG, Baden, CH;
Abstract
A gas pipe ignitor is provided which is operable to ignite a non-premixed air and fuel mixture and includes an air supply conduit which has an axis ASL, a supply end , and a flame end axially spaced from the supply end . The gas pipe ignitor also includes a fuel supply conduit extending axially interiorly within at least a portion of the air supply conduit and having an entrance end and an exit end . The gas pipe ignitor further includes two branch passages each communicated with the fuel supply conduit . The gas pipe ignitor also includes a deflector body disposed in the air supply conduit and is configured relative to the air supply conduit such that air flowing in the air supply conduit flows along a pass through passage PTP from upstream of the upstream most surface of the deflector body to downstream of the deflector body . The entrance end of the fuel supply conduit is disposed axially upstream of the upstream most surface of the deflector body . The exit end of the fuel supply conduit is disposed relative to the deflector body and the air supply conduit at a location FSE downstream of the upstream most surface of the deflector body such that fuel flowing in the fuel supply conduit from its entrance end to its exit end is isolated from contact with air in the air supply conduit until exiting the exit end of the fuel supply conduit . The exit end of each branch passage is radially spaced from the exit end of the fuel supply conduit . The gas pipe ignitor also includes an ignition element , as seen in FIG. for promoting the ignition of the fuel which has exited the branch passages