PUMP, PUMP DEVICE, AND LIQUID SUPPLY SYSTEM

摘要

PROBLEM TO BE SOLVED: To inhibit accumulation of a liquid.SOLUTION: A pump 100 includes: an elastic tube 102 in which a liquid, a transfer object, circulates; a tube housing 104 covering the outer side of the tube 102 and retaining a gas in an internal space V between itself and an outer surface of the tube 102; and an electropneumatic regulator RE which supplies the gas to the internal space V and discharges the gas from the internal space V.SELECTED DRAWING: Figure 6