Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
September 11, 2007
Patent Application Number
11116259
Date Filed
April 28, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A fuel injection apparatus (10) for a gas turbine engine (110) comprising a prefilmer (26), the prefilmer (26) comprises a body (50), the body (50) defines an axis (51), an annular surface (40) and a downstream edge (44), the prefilmer (26) arranged so that when working in operative association with the fuel injection apparatus (10) fuel impinges on the surface (40) and flows, by means of a passing airflow, to the downstream edge (44), from where the fuel is shed, characterized in that the fuel injector (10) further comprises a means for circumferentially varying the residence time of the fuel across the surface (40).
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