Diagnostic system for determining engine start bleed strap failu

Details Diagnostic system for determining engine start bleed strap failu Diagnostic system for determining engine start bleed strap failu

1989-06-02

1990-01-16

Lall, Parshotam S.

Boots, shoes, and leggings

36455101, 73116, 60 3929, G06F 1520, F02C 918

Patent

active

048947822

ABSTRACT:
A novel diagnostic system used in conjunction with an engine electronic control automatically determines start bleed strap failure in a gas turbine engine. The system indirectly determines engine start bleed strap failure without a separate sensor. A normal turbine temperature to engine inlet temperature ratio and burner pressure to engine inlet pressure ratio relationship is established. A failed engine start bleed strap corresponds to a high turbine temperature to engine inlet temperature ratio at a given burner pressure to engine inlet pressure ratio.

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