Multi-tube thermal fuse for nozzle protection from a flame holding or flashback event

Patent · Tue Jul 03 04:00:00 EDT 2012

OSTI ID:1078524

Lacy, Benjamin Paul; Davis, Jr., Lewis Berkley; Johnson, Thomas Edward; York, William David

A protection system for a pre-mixing apparatus for a turbine engine, includes: a main body having an inlet portion, an outlet portion and an exterior wall that collectively establish a fuel delivery plenum; and a plurality of fuel mixing tubes that extend through at least a portion of the fuel delivery plenum, each of the plurality of fuel mixing tubes including at least one fuel feed opening fluidly connected to the fuel delivery plenum; at least one thermal fuse disposed on an exterior surface of at least one tube, the at least one thermal fuse including a material that will melt upon ignition of fuel within the at least one tube and cause a diversion of fuel from the fuel feed opening to at least one bypass opening. A method and a turbine engine in accordance with the protection system are also provided.

• Research Organization: National Energy Technology Laboratory (NETL), Pittsburgh, PA, and Morgantown, WV (United States)
• Sponsoring Organization: USDOE
• Assignee: General Electric Company (Schenectady, NY)
• Patent Number(s): 8,209,986
• Application Number: 12/260,451
• OSTI ID: 1078524
• Country of Publication: United States
• Language: English

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