US 11,920,525 B2
Liquid and hydrogen/methane fuel injector
Timothy S. Snyder, Glastonbury, CT (US)
Assigned to RTX CORPORATION, Farmington, CT (US)
Filed by RTX Corporation, Farmington, CT (US)
Filed on Aug. 5, 2022, as Appl. No. 17/881,853.
Prior Publication US 2024/0044293 A1, Feb. 8, 2024
Int. Cl. F02C 9/40 (2006.01); F02C 7/22 (2006.01); F23R 3/36 (2006.01)
CPC F02C 9/40 (2013.01) [F02C 7/22 (2013.01); F23R 3/36 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A fuel injector for a gas turbine engine comprising:
an inner housing having a center body installed within the inner housing;
an intermediate housing arranged radially outward from the inner housing; and
an outer housing arranged radially outward from the intermediate housing;
wherein:
the center body is a hollow body structure defining a center body airflow passage therethrough;
a first fluid passage is partially defined between an outer surface of the inner housing and an inner surface of the intermediate housing;
a second fluid passage is partially defined within the intermediate housing; and
a third fluid passage comprises the center body airflow passage, an inner airflow passage defined between an exterior surface of the center body and an interior surface of the inner housing, and an outer airflow passage that is defined by the outer housing and radially outward from the intermediate housing,
wherein the center body includes an open first end and a downstream second end comprising an impingement plate and an effusion plate.