Patent ID: 7682461
Filing Date: 2010-03-23
Classification: E04H

Abstract:
1. A working method for a cleaning device ( 2 ) that moves back and forth in a swimming pool ( 1 ), with a drive mechanism that can be switched to forward or backward travel and that is actively connected to drive wheels or drive tracks, with a motor being provided for each of a left-hand side and a right-hand side part of the drive mechanism, respectively, and with a control apparatus to control the drive mechanism, and contact means arranged at the front and rear to generate control signals in the event that the cleaning device ( 2 ) runs up to a swimming pool wall ( 3 ) or an obstacle, wherein the control apparatus comprises a speed control unit for each part of the drive mechanism and means to differentially control the speed of both of the motors, and wherein the cleaning device comprises means at both parts of the drive mechanism to measure the distances traversed during travel, characterized in that the control apparatus controls the cleaning device (