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Publication Title | United States PatentApplicationPublication (10)Pub.N0.:US2002/0073713A1

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US 20020073713A1

(19)United States

(12)PatentApplicationPublication (10)Pub.N0.:US2002/0073713A1

Mackay

(54) METHOD AND APPARATUS FOR COMPRESSINGGASEOUSFUELINA TURBINE ENGINE

(75) Inventor: RobinMackay,RanchoPalosVerdes, CA (US)

CorrespondenceAddress: Rachele Wittwer

IRELL & MANELLA LLP Suite 900

1800 Avenue of the Stars LosAngeles,CA 90067(US)

(73) Assignee: CapstoneTurbineCorporation

(43) Pub. Date: Jun. 20, 2002

RelatedUS.ApplicationData

(63) ContinuationofapplicationNo.09/772,537,?ledon Jan. 29, 2001, Which is a continuation of application No. 09/420,494, ?led on Oct. 19, 1999, noW patented.

Publication Classi?cation

(51) rm.c1.7 ...F02C 7/22 (52) Us. 01. ..60/776; 60/734

(57) ABSTRACT

A gasturbineengineincludesarotatableimpellerhavinga pluralityofvanesWithinletandoutletends.A pluralityof diffuser channels are spaced apart radially beyond the outlet ends.A movablesourceofgaseousfuelispositionedadja cent the inlet ends of the vanes. The movable source of gaseousfuelismovable asafunctionoftherotationalspeed of the impeller, Whereby the How of gaseous fuel injected from the movable source is ejected from the outlet ends of the vanes into a selected one of the plurality of diffuser channels to facilitate combustion.

NATURAL l GAS

(21) Appl.No.:

(2) Filed:

09/953,022 Sep. 13, 2001

33

PRlMARY ZONE 0F COMBUSTOR

Image | United States PatentApplicationPublication (10)Pub.N0.:US2002/0073713A1



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