Acceleration control in multi spool gas turbine engine

Details Acceleration control in multi spool gas turbine engine Acceleration control in multi spool gas turbine engine

2006-09-26

2006-09-26

Casaregola, Louis J. (Department: 3746)

Power plants

Combustion products used as motive fluid

Multiple fluid-operated motors

C060S039281

Reexamination Certificate

active

07111464

ABSTRACT:
A gas turbine engine system comprises a first compression stage; a second compression stage; a combustor; a controller; a first sensor for sensing the speed of the first compression stage and providing a first indication of the sensed speed to the controller; and a second sensor for sensing the speed of the second compression stage and providing a second indication of the sensed speed to the controller, wherein the controller is operable to control the supply of fuel to the combustor in dependence upon the first indication received from the first sensor and the second indication received from the second sensor. This arrangement is particularly useful in controlling the acceleration of an aero-engine from minimum idle.

REFERENCES:
patent: 4104876 (1978-08-01), Larsen et al.
patent: 4422289 (1983-12-01), Langton
patent: 4432201 (1984-02-01), Hawes
patent: 4651518 (1987-03-01), McLaughlin et al.
patent: 5303545 (1994-04-01), Larkin
patent: 6353790 (2002-03-01), Tsuzuki

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