BATHWATER CIRCULATING SYSTEM AND METHOD OF OPERATING SAME

摘要

A bathwater circulating system has a pump operable to draw fluid in at an intake port and expel it under pressure at an output port. Water- and air-supply conduits feed water and air to the intake port at a rate determined by a flow-restricting air-intake valve so that the pump mixes the water and the air, pressurizes the mixture and thereby dissolves the air in the water, and expels the air/water mixture at the output port. A pressure-reducing valve is connected by an output conduit that extends from the output port to the pressure relief valve and conducts the water/air-bubble mixture from the pump to the pressure-reducing valve without separation of the air from the water and such that the mixture is at least partially depressurized at the pressure-reducing valve such that the air forms microbubbles in the water.

主权项

1. A bathwater circulating system comprising:
a pump having an intake port and an output port and operable to draw fluid in at the intake port and expel it under pressure at the output port; a water-supply conduit connected to a water supply and to the intake port and feeding water from the water supply to the intake port; an air-supply conduit connected to the water-supply conduit, provided with a flow-restricting air-intake valve, and feeding air to the intake port at a rate determined by the flow-restricting air-intake valve, whereby the pump mixes the water and the air, pressurizes the mixture and thereby dissolves the air in the water, and expels the air/water mixture at the output port; a pressure-reducing valve; and a first output conduit leading from the output port to the pressure relief valve and conducting the water/air-bubble mixture from the pump to the pressure-reducing valve without separation of the air from the water and such that the mixture is at least partially depressurized at the pressure-reducing valve such that the air forms microbubbles in the water.