Starting of a small turbojet

Details Starting of a small turbojet Starting of a small turbojet

Filed on

1993-03-16

Date issued

1994-09-06

Examiner

Bertsch, Richard A.

Patent Class

Power plants

SubClass

Combustion products used as motive fluid

Other Related Categories

60 39141, 60 39142, F02C 726

Type

Patent

Status

active

Patent number

053436903

Description

ABSTRACT:
Difficulties in starting a turbine engine, particularly ones having a small volume combustor (83) with a low dome height, may be avoided by a method including the steps of a) forming the turbine engine compressor (48) of a low density, high temperature resistant ceramic material, b) directing pyrotechnic gases at a temperature of at least about 3,000.degree. F. against the blades (48) of the compressor, c) continuing the step of directing until the turbine rotor (44) is rotating at at least about 60 percent of rated speed and d) combusting fuel in the combustor (83) of the turbine engine to maintain the rotor (44) rotating at at least about 60 percent of rated speed.

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