US 12,221,932 B1
Integrated gas turbine energy recovery system for efficiency enhancement
Sivakumar Sankaran, Ras Tanura (SA); Mohammed A. Alswayied, Riyadh (SA); Naif M. Alghuthayf, Dammam (SA); Abdullah H. Jaber, Dhahran (SA); Mubarak Alabdulaaly, Unayzah (SA); and Tejavath Balaji, Ras Tanura (SA)
Assigned to SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed by SAUDI ARABIAN OIL COMPANY, Dhahran (SA)
Filed on Apr. 30, 2024, as Appl. No. 18/650,435.
Int. Cl. F02C 9/50 (2006.01)
CPC F02C 9/50 (2013.01) [F05D 2270/20 (2013.01); F05D 2270/301 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method to increase the efficiency of a gas turbine cycle, the method comprising:
directing a stream of compressed air exiting an outlet of a compressor to a combustor;
injecting a stream of fuel into the combustor, wherein a chemical reaction in the combustor of the stream of compressed air and the stream of fuel yields a stream of combustion products;
using a turbine to expand the stream of combustion products to yield an expanded stream of combustion products;
directing the expanded stream of combustion products to a low-pressure turbocharger;
using the low-pressure turbocharger to power a first air blower, wherein the first air blower is configured to accept a first stream of filtered air and to output a first blower gas stream;
directing the first blower gas stream to a secondary air distribution system, wherein an output of the secondary air distribution system is an energized stream of air;
directing the energized stream of air and a stream of filtered air to a primary air distribution system, wherein an output of the primary air distribution system is a stream of compressor supply air; and
directing the stream of compressor supply air to an inlet of the compressor.