Research/Patents/US 5749219
US 5749219

COMBUSTOR WITH FIRST AND SECOND ZONES

Assignee

UNITED TECHNOLOGIES CORPORATION, A CORP. OF DE.

Filed

Nov 30, 1989

Granted

May 12, 1998

Location

PALM BEACH GARD FL US

Abstract

A high performance annular combustor for a gas turbine engine powering aircraft consisting of a primary combustion zone with the fuel nozzles and air swirlers in the dome and having typical combustion/dilution air holes in the liner and a secondary zone downstream of the primary zone having fuel nozzles and air swirlers operational solely when the primary zone is at a predetermined stoichiometric condition and issuing fuel which is at parity with the fuel/air ratio of the primary zone.

Source: Google Patents

35 USC §181 Secrecy Order

Imposed

Nov 2, 1990

Rescinded

Apr 9, 1997

Duration

6 years, 5 months

Inventor

  • 1THOMAS L. DU BELL

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