Patent ID: 8464968

Claim:
An aircraft comprising a cockpit having a windshield, and a system for applying spray liquid to the windshield, the system for applying spray liquid comprising: a spray liquid supply circuit comprising: a source of pressurized spray liquid; at least one control valve for controlling a flow of the spray liquid; and a first piping portion connecting the source of pressurized spray liquid and the at least one control valve; a pressurized-gas supply circuit comprising: a tap mounted on a gas container; at least one check valve; and an auxiliary compressor connected between the tap and the at least one check valve; the system for applying spray liquid to an aircraft cockpit windshield further comprising: a nozzle for applying the spray liquid to the aircraft cockpit windshield; and a second piping portion connecting the at least one control valve, the at least one check valve, and the nozzle, wherein the pressurized-gas supply circuit delivers gas from the gas container to the second piping portion to purge the second piping portion and the nozzle.