Patent ID: 9462920
Filing Date: 2016-10-11
CPC Classification: A47L

Claim Text:
1. An evacuation station comprising: a control system comprising one or more processing devices programmed to control evacuation of a debris bin of a mobile robot; a base to receive the mobile robot, the base comprising an intake port to align to an exhaust port of the debris bin; a canister to hold a bag to store debris from the debris bin; one or more conduits extending from the intake port to the bag, through which debris is transported between the intake port and the bag; a motor that is responsive to commands from the control system to remove air from the canister and thereby generate negative air pressure in the canister to evacuate the debris bin by suctioning the debris from the debris bin; and a pressure sensor to monitor the air pressure; wherein the control system is programmed to control an amount of time to evacuate the debris bin based on the air pressure monitored by the pressure sensor.