Patent ID: 8747664

Claim:
A water filtration and sterilisation device, comprising: a casing comprising a first container and a second container within the casing, the first container and the second container each being configured to contain water therein, the first container comprising a base having a recess, the recess comprising a first outlet conduit in fluid communication between the first container and the second container, the second container having an outlet and a second outlet conduit; a closure valve coupled to said first outlet conduit; a filter upstream of said first outlet conduit; a flow prevention means coupled between said second container outlet and said second outlet conduit; an ultra violet radiation source within said second container; and a controller, wherein the controller is configured to: open the closure valve for a first time period to admit water into the second container via the filter; operate the ultra violet radiation source for a second time period to sterilise water in the second container; and operate said flow prevention means to deliver sterilised water on demand from the second container; and wherein said first time period is shorter than said second time period.