Patent ID: 9499133
Filing Date: 2016-11-22
CPC Classification: B08B,B60S

Claim Text:
1. A method for washing a motor vehicle windscreen by use of a washing device, the washing device comprising: a first reservoir containing a first fluid, and a second reservoir comprising a second fluid; a piping system which connects the first reservoir and the second reservoir to orifices via which the first fluid and/or the second fluid is/are ejected onto the windscreen; a pump system which is designed to circulate the first fluid and/or the second fluid in the piping system until ejection via said orifices takes place; and at least one wiper blade which can be displaced on the windscreen, between a low position and a high position, wherein, with the piping system containing the first fluid, the method comprising the steps of: a) activation of the pump system, so as to circulate second fluid in the piping system, so as to purge the first fluid from the piping system; and b) deactivation of the pump system at the moment when the second fluid reaches the orifices.