Patent ID: 7367243

Claim:
A device for measuring a quantity of liquid, said device comprising: a body having an interior; a measuring chamber in said interior of said body, said measuring chamber having a wall engaging a first passageway, a second passageway and a third passageway; a fill valve for selectively closing off said measuring chamber from an exterior of said body; wherein said first passageway is an inlet into said measuring chamber that delivers liquid, said second passageway is a vent for allowing air to evacuate said measuring chamber simultaneous to said measuring chamber being filled through said inlet, and said third passageway for exiting a measured amount of liquid from said measuring chamber; wherein said first passageway, said second passageway and said third passageway remain unobstructed at all times during operation for decreasing complexity and increasing reliability of the device; and wherein said measuring chamber remains upright during use.