Patent ID: 8616495

Claim:
A hydraulic circuit for actuating an undercarriage, the circuit comprising: a fluid feed line and a return line; at least one door selector connected to the feed and return lines, the selector feeding door service lines, including an opening line and a closing line for opening and closing the doors; at least one undercarriage selector connected to the feed and return lines, the selector feeding undercarriage service lines including a deployment line and a raising line for deploying and raising the undercarriage; and a door unhooking line and an undercarriage unhooking line; wherein the door unhooking line is connected to at least one undercarriage service line while the undercarriage unhooking line is connected to at least one door service line, and wherein the circuit also includes means for connecting the door service lines together during a door opening stage, and means for connecting the undercarriage service lines together during an undercarriage deployment stage.