Patent ID: 8590744

Claim:
A liquid storage and delivery apparatus in combination with a source of pressurized gas; comprising: a. a container, said container comprising a bottom, a side portion extending outwardly from said bottom forming a chamber, and an opening to said chamber; b. a flexible diaphragm said flexible diaphragm including a casing defining a cavity, said flexible diaphragm mounting within said chamber of said container, said cavity possessing a perimeter; c. a frame, said frame including a flange member, said flange member contacting said of said flexible diaphragm and positioning at least a portion of said casing of said flexible diaphragm adjacent the bottom and side portion of said container; d. a collapsible bag, said bag being positioned within said cavity of said flexible diaphragm, said collapsible bag holding a liquid and including an exit for the liquid; e. a substantially airtight seal for forming a space between said container and said flexible diaphragm outside said cavity of said flexible diaphragm; and f. an entry into said space between said container and said flexible diaphragm, said entry directing gas from the source of pressurized gas to said space between said container and said flexible diaphragm, the gas impinging on said flexible diaphragm for urging said flexible diaphragm against said collapsible bag and forcing liquid from said collapsible bag through said exit of said collapsible bag.