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Publication Title | United States Patent Erlund FLAME-OUT CONTROL IN GAS TURBINE ENGINE

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UnitedStatesPatent [19] Erlund

[54] FLAME-OUT CONTROL IN GAS TURBINE ENGINE

[75] Inventor: Mark Nicholas Erlund, Bristol, England

[73] Assignee: Rolls-Royce(1971)Limited,

London’ England [22] Filed: June13,1973

,

[21] Appl.No..369,509

[30] ForeignApplicationPriorityData June24,1972 GreatBritain..29711/72

[52] U.S.Cl...60/39.09R,60/3928R

[51] I-l.Cl...F0267/00 speedofanengineShaftandanenginepressureand

[58] FleldofSearch..160/3909R,39.28R

[56] ReferencesCited UNITEDSTATESPATENTS

2,948,114 8/1960 Besliereta1...60/3928 R

comparingthisSignalwithascheduledvalue_

Arlilejigrlitgrvilsoperated ifthe signai exceeds the 8° "e a“e' _ i _

11 Clam“, 3 D'awmg F'gures

/75

[1 3,830,055 [45] Aug. 20, 1974

2,971,338 2/1961 Bodemuller.._60/3928 T 3,041,833 7/1962 Vore..60/3909R

3,174,529 3/1965 3,295,317 1/1967 3,377,848 4/1968 3,395,538 8/1968

Grossel?ngereta1...60/2938 R Blackaby..60/3928 R Marvin ............. ....... 60/3928 R Boreleta1...60/3928R

Primary Examiner-William L. Freeh

AssistantExaminer-WarrenOlsen

Attorney, Agent, or Firm-Stevens, Davis, Miller & Mosher

[57] ABSTRACT

An automatic “Might control System for a gas turbine

engine comprises means for producing a signal corre

spendingtothequotientoftherateofchangeof

Image | United States Patent Erlund FLAME-OUT CONTROL IN GAS TURBINE ENGINE



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