Patent ID: 7484838

Claim:
A liquid storage container comprising a liquid storage part for storing a liquid, a connection part for taking out the liquid, wherein said connection part is provided in a bottom part of the liquid storage part, and a pipe provided in the liquid storage part so as to cover an opening of the connection part on a side of the liquid storage part, wherein a plurality of liquid inlet holes are formed in the pipe, each inlet hole communicating with the liquid storage part at a plurality of positions in the vertical direction thereof, the number of holes and the hole pitch being set according to a precipitation degree of the liquid, and wherein a plurality of the liquid inlet holes have diameters that differ from each other and are set according to an inside tube path friction of the pipe, pressure loss, and hole height, and wherein the hole diameters of the plurality of the liquid inlet holes of the pipe are set such that the liquid inlet whole amount into a pipe becomes substantially equal.