Electric tank dispenser having a pressurizable space and selectable pressure levels

Abstract

This invention relates to a device for dispensing spray drops or foam. A first illustrative example of the invention is an electrically powered dispenser comprising: a pressurization system for automatically regulating a pressure level of a gas in a pressurizable space, the pressurization system being configured: to take a pressure reading of the gas, to make a determination if the pressure reading indicates a deviation from a desired pressure level, and based on the determination to make a decision selected from a list comprising at least the following: to start pressurization, to continue pressurization, to stop pressurization, or to do nothing. According to variations or refinements of this first example the pressurization system is sufficiently sensitive to indicate the deviation even if the deviation is minimal. According to other variations or refinements of this first example, the desired pressure level can be, e.g., less than 10 psi.

Dependencies are inferred from the claim text.