Liquid coating apparatus

Abstract

A liquid coating apparatus includes a liquid storage assembly to store a liquid, a pressure sensor to detect a remaining amount of liquid in the liquid storage assembly, a discharge assembly to discharge the liquid in the liquid storage assembly to an outside, a negative pressure pump to generate a negative pressure lower than an atmospheric pressure, a negative pressure adjusting container with an internal pressure adjusted to a predetermined negative pressure by the negative pressure pump, a pressure adjustment controller to control drive of the negative pressure pump based on a detection result of the pressure sensor, and a pressure switch to adjust pressure in the liquid storage assembly to the predetermined negative pressure in the negative pressure adjusting container.

Dependencies are inferred from the claim text.