Patent ID: 8240320

Claim:
A washing apparatus that can be moved on a solar panel, for cleaning the solar panel, the washing apparatus having washing jets for application of washing water to a sun-facing surface of the solar panel, the washing lets being on a side of the washing apparatus able to face the sun-facing surface of the solar panel, wherein the washing apparatus can encompass the solar panel in an edge region of the solar panel in such a manner that the washing apparatus can be guided, in longitudinally displaceable manner, directly on the solar panel, wherein the washing apparatus further comprises a suction device comprising at least one suction nozzle, wherein used washing water can be removed from the sun-facing surface of the solar panel using the suction device, wherein the washing apparatus further comprises a compressor, wherein a partial vacuum required for operation of the suction device is produced using the compressor, and wherein the compressor can be used to generate compressed air to supply compressed air jets.