Patent ID: 9316235
Filing Date: 2016-04-19
CPC Classification: F04B,F04D,F04F

Claim Text:
1. A pressurized liquid lifting device comprising: a liquid lifting tank that has an airtight structure and stores liquid; an air pump that pressurizes an interior of the liquid lifting tank; a liquid lifting pipe of which one end communicates with the liquid in the liquid lifting tank and the other end portion stands upright, wherein a liquid delivery port is provided in a leading end of the other end portion, and a height from a liquid surface in the liquid lifting tank to the liquid delivery port is larger than a potential liquid lifting height of the air pump; an air supply pipe of which one end portion is connected to a branching section provided at a position halfway in the liquid lifting pipe, wherein an upright section which stands upright is provided between the one end portion of the air supply pipe and the air supply pipe's other end portion an air valve that is provided on the other end portion of the air supply pipe and that is configured to open/close with respect to outside air; and a liquid storage section that is provided in the liquid lifting pipe at a position between the liquid delivery port and the branching section, positioned below the branching section and configured to store a predetermined amount of liquid, wherein the branching section is provided at a position that is higher than the height of the liquid surface in the liquid lifting tank and lower than the potential liquid lifting height of the air pump.