Research/Patents/US 5791148
US 5791148Tier 3 — General Defense

LINER OF A GAS TURBINE ENGINE COMBUSTOR HAVING TRAPPED VORTEX CAVITY

Assignee

General Electric

Filed as: GENERAL ELECTRIC COMPANY

Filed

Jun 7, 1995

Granted

Aug 11, 1998

Location

CINCINNATI OH US

Abstract

A liner for a gas turbine engine combustor is disclosed having a non-linear cavity section, wherein air and fuel injected therein form a trapped vortex for igniting and stabilizing a flame in the combustor. The cavity section, which is substantially rectangular in shape, has an aft wall, a forward wall, and an intermediate wall connected at one end to the aft wall and at the other end to the forward wall. A plurality of passages are provided in the aft wall for injecting fuel therethrough and a plurality of air passages are provided in the aft wall surrounding each fuel passage for injecting air therethrough. Cooling holes are also provided in the aft wall, the forward wall, and the intermediate wall for reinforcing the fuel/air vortex flow in the cavity section.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Mar 20, 1997

Rescinded

Mar 10, 1998

Duration

11 months

Inventor

  • 1DAVID L. BURRUS

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Back to patent indexSource: USPTO 35 USC §181 secrecy order records