INNER BARREL OF AN ENGINE INLET WITH LASER-MACHINED ACOUSTIC PERFORATIONS

• Main Authors: BERTOLUCCI, Brandon L, HORST, Perry T, BAUMAN, John Scott, REEVES, Jake Adam, NEGLEY, Mark Alan, HERRERA, Eric
• Format: Patent
• Language: English; French; German
• Published: 11.12.2019
• Subjects: AIR INTAKES FOR JET-PROPULSION PLANTS; BLASTING; CLADDING OR PLATING BY SOLDERING OR WELDING; COMBUSTION ENGINES; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; GAS-TURBINE PLANTS; HEATING; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS; LIGHTING; MACHINE TOOLS; MECHANICAL ENGINEERING; METAL-WORKING NOT OTHERWISE PROVIDED FOR; PERFORMING OPERATIONS; SOLDERING OR UNSOLDERING; TRANSPORTING; WEAPONS; WELDING; WORKING BY LASER BEAM

A forming system includes a femtosecond laser and a control unit that includes one or more processors operatively connected to the femtosecond laser. The femtosecond laser is configured to emit laser pulses (302) onto an inner surface (218) of a face sheet (134) of an acoustic inner barrel (120). Th...