Patent ID: 11885087
Assignee: VESTERGAARD COMPANY A/S
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 8:
9. A method for recovering deicing liquids and snow from an airport apron/deicing platform surface, said method comprising:
moving a deicing-liquid recovery unit over the airport apron/deicing platform surface in a first direction, the deicing-liquid recovery unit comprising a rotatable brush and a collection tray, wherein no part of the deicing-liquid recovery unit, other than the rotatable brush, engages the airport apron/deicing platform during movement of the deicing-liquid recovery unit in the first direction,
sweeping deicing liquid and snow from the airport apron/deicing platform surface and into the collection tray by rotating said rotatable brush,
said collection tray having an external bottom side, said external bottom side arranged at a distance of 3 to 100 cm from the airport apron/deicing platform surface such that said collection tray passes over the deicing liquid and snow before said rotatable brush sweeps the deicing liquid and snow from the apron/deicing platform surface and into the collection tray when said deicing-liquid recovery unit is moving in said first direction,
moving the deicing liquid and snow swept into the collection tray in a second direction perpendicular to said first direction towards an exit port for removal of the deicing liquid and snow, and
transporting the deicing liquid and snow from said exit port to a collection tank.