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Publication Title | UIlltGd States Patent [19] Shekleton METHOD AND APPARATUS FOR HIGH ALTITUDE STARTING OF GAS TURBINE Engine

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UIlltGd States Patent [19] Shekleton

[54] METHOD AND APPARATUS FOR HIGH ALTITUDE STARTING OF GAS TURBINE

ENGINE

[75] Invent“ J.“R-sbeklemn,511"D188“Calif-

Il USOO5214911A

[1] PatentNumber: 5,214,911 [45] DateofPatent: Jun.1,1993

4,375,745 3/1983 Schelp..60/39.]41 4,445,532 5/1984 Mitchell ..60/39.142

FOREIGN PATENT DOCUMENTS

49327 3/1984 Japan..60/39142 367662 4/1963 Switzerland..60/39.142

Assignee: Corporation,Rockford,1

1- OTHERPUBLICATIONS

1211 APPL Nod 803,741 [22] Filed; Den4’1991

_ _ Related U-S- ApPllcltloll Dita

Lefebvre, Arthur H. Gas Turbine Combustion, Hemi spherePubl.Corp,NewYork,1983,pp.412and413.

PrimaryExaminer-RichardA.Bertsch Assistant Examiner-Timothy S. Thorpe

[63] Continuationof$61‘.No.455,605,Dec.21,1939,aban- Attorney,Agenl,orFirm—w<>od,Phillips,Vansamem

doned. ‘ > [51] 1111.(:1.5..:..F23R3/32 [52] US.Cl. ..60/3906;60/23/137;

Hoffman & Ertel

[57] ABSTRACT

Difficultiesinstartingagasturbineengineathigham_

tudes may be avoided by the method of starting such an enginewhichincludesthestepsofintroducingfuelinto the combustor (26) of the engine through at least one fuel injector (46) having an outlet (76, 78) within the combustor (26), atomizing the fuel with a burst of oxi dant at elevated pressure from a source (92) of pressur ized stored oxidant until ignition is obtained’ and there_

after discontinuing the burst of oxidant from the source (92)

5Claims,2DrawingSheets

D!F'FLLSER OUTLET

_ [58]meld0f

676253395536’ ‘’’’’’’'

[56]

ReferencesCited

Us‘ PATENT DOCUMENTS

_-

grice ..60/39.]42

2’749’O23 6/1956 '‘'' _

2,992,531 7/1961 Hershey .

3,098,626 7/1963 Messinger

4,033,115 7/1977 Baits..60/39.091

sTART CONTROL " 97

\ \

\

__ 60/39_141

60/319142

Image | UIlltGd States Patent [19] Shekleton METHOD AND APPARATUS FOR HIGH ALTITUDE STARTING OF GAS TURBINE Engine



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