Working method and cleaning device to clean a swimming pool

Details Working method and cleaning device to clean a swimming pool Working method and cleaning device to clean a swimming pool

2011-08-02

2011-08-02

Chin, Randall (Department: 3723)

Brushing, scrubbing, and general cleaning

Submerged cleaners with ambient flow guides

Reexamination Certificate

active

07987543

ABSTRACT:
In a working method for a cleaning device (2) that moves back and forth in a swimming pool (1), control thereof is such that the cleaning device (2) moves from a starting position at a low speed in a forward direction V in a first pass in a first cleaning path (4) until it runs up to a pool wall (3), wherein the distance D1traversed along the first cleaning path is measured or determined. The cleaning device (2) is then guided to a second cleaning path (5) deviating from or offset relative to the first cleaning path (4) in a second pass, initially at a low speed, whereupon the cleaning device then moves in a backward direction along the second cleaning path (5) at a high speed until the distance Dz traversed is smaller than the distance D1traversed in the previous pass by an amount A. Upon reaching distance Dz the cleaning device (2) continues to move along the second cleaning path (5) at low speed until it runs up to a swimming pool wall (3), wherein the distance D2traversed along the second cleaning path is measured or determined. The cleaning device (2) is controlled in the same manner in each subsequent pass as in the previous pass.

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International Search Report for CH 2952006 dated Nov. 27, 2006.

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