Patent ID: 9215962
Filing Date: 2015-12-22
Classification: A47L,B62D,F16H,G05D

Abstract:
1. An autonomous planar surface cleaning robot, comprising: a main body having a top portion and a bottom portion, the bottom portion defining an outer portion defining a surface area about a perimeter thereof and an inner portion defining a cavity formed within the outer portion; a driving mechanism supported by the main body; a vacuum source supported by the main body and in fluid communication with the cavity; a vacuum sensor supported by the main body and in fluid communication with the cavity; and a control unit supported by the main body and electrically coupled to the driving mechanism, the vacuum source, and the vacuum sensor, wherein the control unit is configured to control the robot to turn direction when the control unit receives a signal from the vacuum sensor indicating that a degree of vacuum pressure within the cavity is below a predetermined vacuum pressure.