METHOD AND APPARATUS FOR EXTRACTING ELECTRICAL POWER FROM A GAS TURBINE ENGINE
First Claim
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1. A gas turbine engine comprising:
- a high pressure (HP) spool;
a low pressure (LP) spool;
an AC generator;
an LP drive assembly having an input mechanically coupled to the LP spool and an output mechanically coupled to the AC generator;
a DC generator; and
an HP drive assembly having an input mechanically coupled to the HP spool and an output mechanically coupled to the DC generator.
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Abstract
A method and apparatus for powering an aircraft by extracting power from both the high pressure and low pressure spools of a gas turbine engine. DC power can be generated using the high pressure spool and AC power can be generated using the low pressure spool.
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Citations
20 Claims
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1. A gas turbine engine comprising:
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a high pressure (HP) spool; a low pressure (LP) spool; an AC generator; an LP drive assembly having an input mechanically coupled to the LP spool and an output mechanically coupled to the AC generator; a DC generator; and an HP drive assembly having an input mechanically coupled to the HP spool and an output mechanically coupled to the DC generator. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method for powering an aircraft system comprising:
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extracting AC power from a low pressure (LP) spool of a gas turbine engine; extracting DC power from a high pressure (HP) spool of the gas turbine engine; supplying the AC power extracted by the AC generator to a load; and supplying the DC power extracted by the DC generator to a load. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification