Patent ID: 7845362

Claim:
A washer fluid system of a fuel cell vehicle, comprising: a motor vehicle; a wiper system disposed on board said vehicle; a fuel cell disposed on board said vehicle, said fuel cell providing a source of water; a concentrated washer fluid reservoir of concentrated washer fluid; a mixing device disposed on board said vehicle, said mixing device mixing the water with the concentrated washer fluid in a predetermined ratio of relative volumes to thereby provide a mixed washer fluid to the wiper system; and an electronic control module interfaced with said wiper system and said mixing device, wherein said electronic control module selectively operates said mixing device to thereby provide said wiper system with said mixed washer fluid upon request of said washer fluid system; wherein said mixing device comprises a first chamber connected to the source of water; and wherein said electronic control module operates said mixing device so that after providing said mixed washer fluid, said first chamber is emptied.