Abstract: There is thus provided a pool-cleaning robot comprising: a housing; a propulsion mechanism configured to propel the robot along the internal surfaces of a pool; and a visual display for displaying information associated with operation of the pool-cleaning robot.

Abstract: A robotic pool cleaner including: a housing; a propulsion mechanism configured to propel the robotic pool cleaner along an interior surface of a pool and a suction mechanism to draw liquid from the pool into the housing. A cable extends outward from the housing and a pull sensor is configured to generate a signal indicative of at least a direction in which the cable is pulled. A controller is configured to receive the signal and to operate the propulsion mechanism to propel the robot in accordance with the received signal.

Abstract: A robotic pool cleaner includes a housing, a propulsion mechanism configured to propel the robotic pool cleaner along an interior surface of a pool, and a suction mechanism for drawing liquid from the pool into the housing. A transceiver is configured to receive a signal that is indicative of a relative location of another robotic pool cleaner.

Abstract: A pool cleaner for cleaning a pool includes a housing, a pump for drawing liquid from the pool into the housing through an inlet and expelling the liquid through an outlet when the pool cleaner is submerged in the pool, a filter for trapping debris that is in the indrawn liquid, and a propulsion system for propelling the pool cleaner along a submerged surface within the pool. A controller is configured to determine a position of the pool cleaner on a stairway of the pool, and to control the propulsion system to stop ascending the stairway when the pool cleaner is determined to have ascended to a highest permissible stair of the stairway.

Abstract: A robotic pool cleaner includes a housing, a propulsion mechanism configured to propel the robotic pool cleaner along an interior surface of a pool, and a suction mechanism for drawing liquid from the pool into the housing. A transceiver is configured to receive a signal that is indicative of a relative location of another robotic pool cleaner. A controller is configured to control the propulsion mechanism in accordance with the indicated location of the other robotic pool cleaner.

Abstract: A pool cleaner includes a housing with a plurality of inlets to enable inflow of water from a pool into the housing, and at least one outlet to enable outflow of water from the housing. A suction mechanism is configured to draw water into the housing through the inlets, and to expel the water through the outlet. A propulsion mechanism is configured to propel the pool cleaner over a floor of a pool. A controller is configured to control operation of at least the propulsion mechanism. A filter is configured to trap debris in the water that is drawn into the housing. An inlet control mechanism is configured to selectively enable the inflow of the water via a selected inlet of the plurality of inlets while preventing inflow through at least one other inlet of the plurality of inlets.

Abstract: A pool cleaner includes a housing with a plurality of inlets to enable inflow of water from a pool into the housing, and at least one outlet to enable outflow of water from the housing. A suction mechanism is configured to draw water into the housing through the inlets, and to expel the water through the outlet. A propulsion mechanism is configured to propel the pool cleaner over a floor of a pool. A controller is configured to control operation of at least the propulsion mechanism. A filter is configured to trap debris in the water that is drawn into the housing. An inlet control mechanism is configured to selectively enable the inflow of the water via a selected inlet of the plurality of inlets while preventing inflow through at least one other inlet of the plurality of inlets.

Abstract: A robotic pool cleaner including: a housing; a propulsion mechanism configured to propel the robotic pool cleaner along an interior surface of a pool and a suction mechanism to draw liquid from the pool into the housing. A cable extends outward from the housing and a pull sensor is configured to generate a signal indicative of at least a direction in which the cable is pulled. A controller is configured to receive the signal and to operate the propulsion mechanism to propel the robot in accordance with the received signal.

Abstract: A pool cleaner includes a liquid inlet and a liquid outlet, a propulsion system, and a suction system including a motorized pump for drawing liquid through the inlet and expelling it through the outlet. A filter located between the inlet and the pump is configured to trap debris. A sanitization chamber that includes a chamber inlet and a chamber outlet is integrated into the housing such that the chamber inlet is located downstream of the pump and is configured to divert a fraction of the liquid that is outflowing from the pump into the chamber inlet, the remaining outflowing liquid flowing out through the liquid outlet. The sanitization chamber is configured to sanitize the liquid that is flowing through the sanitization chamber and to retard a flow rate of the liquid that is flowing through the sanitization chamber relative to a flow rate of the remaining outflow liquid.

Abstract: A pool cleaner includes a housing with at least one fluid inlet and at least one fluid outlet, and a propulsion system for propelling the pool cleaner within a pool. A suction system includes a motorized pump and is configured to draw liquid containing debris from the pool through the fluid inlet, and to expel the liquid back into the pool through the fluid outlet. A first filter is located between the fluid inlet and the pump, and a second filter is located downstream of the pump. The first filter is configured to trap debris pieces that are larger than a predetermined size to prevent the debris pieces from flowing to the pump, and the second filter is configured to trap the debris that has passed through the first filter.

Abstract: A robotic pool cleaner including: a housing; a propulsion mechanism configured to propel the robotic pool cleaner along an interior surface of a pool and a suction mechanism to draw liquid from the pool into the housing. A cable extends outward from the housing and a pull sensor is configured to generate a signal indicative of at least a direction in which the cable is pulled. A controller is configured to receive the signal and to operate the propulsion mechanism to propel the robot in accordance with the received signal.

Abstract: A pool cleaner includes a liquid inlet and a liquid outlet, a propulsion system, and a suction system including a motorized pump for drawing liquid through the inlet and expelling it through the outlet. A filter located between the inlet and the pump is configured to trap debris. A sanitization chamber that includes a chamber inlet and a chamber outlet is integrated into the housing such that the chamber inlet is located downstream of the pump and is configured to divert a fraction of the liquid that is outflowing from the pump into the chamber inlet, the remaining outflowing liquid flowing out through the liquid outlet. The sanitization chamber is configured to sanitize the liquid that is flowing through the sanitization chamber and to retard a flow rate of the liquid that is flowing through the sanitization chamber relative to a flow rate of the remaining outflow liquid.

Abstract: A pool cleaner for cleaning a pool includes a housing, a pump for drawing liquid from the pool into the housing through an inlet and expelling the liquid through an outlet when the pool cleaner is submerged in the pool, a filter for trapping debris that is in the indrawn liquid, and a propulsion system for propelling the pool cleaner along a submerged surface within the pool. A controller is configured to determine a position of the pool cleaner on a stairway of the pool, and to control the propulsion system to stop ascending the stairway when the pool cleaner is determined to have ascended to a highest permissible stair of the stairway.

Abstract: A pool cleaner includes a housing with at least one fluid inlet and at least one fluid outlet, and a propulsion system for propelling the pool cleaner within a pool. A suction system includes a motorized pump and is configured to draw liquid containing debris from the pool through the fluid inlet, and to expel the liquid back into the pool through the fluid outlet. A first filter is located between the fluid inlet and the pump, and a second filter is located downstream of the pump. The first filter is configured to trap debris pieces that are larger than a predetermined size to prevent the debris pieces from flowing to the pump, and the second filter is configured to trap the debris that has passed through the first filter.

Abstract: A method for operation of a robotic pool cleaner by a controller of the pool cleaner includes automatically operating a propulsion motor of the pool cleaner while concurrently operating a sensor to monitor a feature of travel of the pool cleaner on a surface of a pool to assess a characteristic of the pool surface. A value of a parameter of operation of the pool cleaner is automatically set in accordance with the assessed characteristic. The propulsion motor and a suction pump of the pool cleaner are operated in accordance with the set parameter value.

Abstract: A robotic pool cleaner including: a housing; a propulsion mechanism configured to propel the robotic pool cleaner along an interior surface of a pool and a suction mechanism to draw liquid from the pool into the housing. A cable extends outward from the housing and a pull sensor is configured to generate a signal indicative of at least a direction in which the cable is pulled. A controller is configured to receive the signal and to operate the propulsion mechanism to propel the robot in accordance with the received signal.

Abstract: A robotic pool cleaner includes a housing, a propulsion mechanism configured to propel the robotic pool cleaner along an interior surface of a pool, and a suction mechanism for drawing liquid from the pool into the housing. A transceiver is configured to receive a signal that is indicative of a relative location of another robotic pool cleaner.

Abstract: A robotic pool cleaner includes a housing, a propulsion mechanism configured to propel the robotic pool cleaner along an interior surface of a pool, and a suction mechanism for drawing liquid from the pool into the housing. A transceiver is configured to receive a signal that is indicative of a relative location of another robotic pool cleaner.

Abstract: A robotic pool cleaner includes a housing, a propulsion mechanism configured to propel the robotic pool cleaner along an interior surface of a pool, and a suction mechanism for drawing liquid from the pool into the housing. A transceiver is configured to receive a signal that is indicative of a relative location of another robotic pool cleaner. A controller is configured to control the propulsion mechanism in accordance with the indicated location of the other robotic pool cleaner.

Abstract: An automatic pool cleaner, comprising a pump unit, a control unit and a sensor, the sensor configured to detect foreign objects in the pool. The control unit configured to activate the pump unit at a first power level which is less then full power when a foreign object is not detected by the sensor, and further configured to activate the pump unit at a second power level, which is greater than the first power level, in response to a signal from the sensor unit indicating the detection of a foreign object.