The Boeing Company
SYSTEM, VALVE, AND METHOD FOR LIQUID RESIN INFUSION

Abstract:

A system for infusing liquid resin into a sheet of fibrous material comprises a tool and a permeable media layer, configured to have the sheet therebetween. The system further comprises a non-permeable bladder, configured to be sealed to the tool about the sheet of fibrous material and the permeable media layer such that the sheet of fibrous material and the permeable media layer are sealed between the non-permeable bladder and the tool. The system additionally comprises an inlet, selectively fluidically coupleable with the permeable media layer to deliver liquid resin to the permeable media layer. The system also comprises an outlet, selectively fluidically coupleable with the permeable media layer to create a pressure differential across the non-permeable bladder. The system further comprises a permeability control valve, selectively operable to adjust the permeability of the permeable media layer.