US 11,788,465 B2
Bleed flow assembly for a gas turbine engine
Brandon Wayne Miller, Liberty Township, OH (US); Patrick Michael Marrinan, Cincinnati, OH (US); Arthur William Sibbach, Boxford, MA (US); Scott Alan Schimmels, Miamisburg, OH (US); and Scott David Hunter, Seattle, WA (US)
Assigned to General Electric Company, Schenectady, NY (US)
Filed by General Electric Company, Schenectady, NY (US)
Filed on Jan. 19, 2022, as Appl. No. 17/578,612.
Prior Publication US 2023/0228213 A1, Jul. 20, 2023
Int. Cl. F02C 9/00 (2006.01); F02C 6/06 (2006.01); F02C 7/32 (2006.01); F02K 3/04 (2006.01); F02C 6/08 (2006.01)
CPC F02C 6/06 (2013.01) [F02C 6/08 (2013.01); F02C 7/32 (2013.01); F02C 9/00 (2013.01); F02K 3/04 (2013.01); F05D 2220/32 (2013.01); F05D 2220/76 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A gas turbine engine comprising:
a turbomachine comprising a compressor section, a combustion section, and a turbine section in serial flow order, the turbomachine defining a core flow therethrough during operation;
a flow tap in fluid communication with the turbomachine and a bleed flow path, the flow tap configured to receive a portion of the core flow therethrough as a bleed flow;
a secondary pressure source fluidly coupled to the flow tap via a secondary tap valve, wherein the secondary tap valve is configured to facilitate flow from the secondary pressure source into the bleed flow path and to facilitate flow from the bleed flow path into the secondary pressure source; and
a bleed assembly comprising:
a machine load;
a bleed flow machine disposed in fluid communication with the turbomachine and the secondary pressure source through the flow tap, the bleed flow machine configured to drive the machine load; and
a bleed regulator configured to regulate a bleed output provided to the bleed flow machine by controlling a capture rate of the bleed flow by the bleed flow machine.