Pratt & whitney canada corp. (20240425192). TURBO-COMPOUNDED ENGINE WITH EXHAUST DUCT ACOUSTIC ARRANGEMENT
Contents
TURBO-COMPOUNDED ENGINE WITH EXHAUST DUCT ACOUSTIC ARRANGEMENT
Organization Name
Inventor(s)
Sid-Ali Meslioui of Brossard (CA)
TURBO-COMPOUNDED ENGINE WITH EXHAUST DUCT ACOUSTIC ARRANGEMENT
This abstract first appeared for US patent application 20240425192 titled 'TURBO-COMPOUNDED ENGINE WITH EXHAUST DUCT ACOUSTIC ARRANGEMENT
Original Abstract Submitted
a turbo-compounded engine includes a piston engine connected to drive a propulsor. an outlet of the piston engine is operable to connect products of combustion from the piston engine to pass over a turbine. the turbine is connected to drive a turbine shaft also connected to drive the propulsor. an outlet of the turbine is connected into an exhaust duct configured to exhaust the products of combustion. the exhaust duct is provided with an exhaust duct outer wall defining an exhaust chamber. a further cooling air outer wall is positioned outwardly of the exhaust duct. flow dividers are received within an exhaust chamber inward of the exhaust duct outer wall. the exhaust duct outer wall has an inner surface and the flow dividers have an outer surface. acoustic treatment is provided on both the inner surface of the exhaust duct outer wall and the outer surface of the flow dividers.
