Patent ID: 9561341
Date: 2017-02-07
CPC Classifications: A61M

Claim:
1. A system for humidifying ventilator air, comprising a chamber, a base, wherein the base is a metal heat plate, a central cylinder and a helical inclining plane, wherein the chamber comprises an air inlet for receiving air from an air source, an air outlet for releasing humidified air, and an inner wall; wherein the base comprises an inner surface, the inner surface and the inner wall forming a sealed space capable of holding water and air; wherein the central cylinder comprises a bottom and a side, the bottom attached to the inner surface of the base; wherein the helical inclining plane comprises a helical center, an inner edge and an outer edge, the central cylinder passing through the helical inclining plane at the helical center; the inner edge attached to the side of the central cylinder; wherein the outer edge of the helical inclining plane engages with the inner wall of the chamber to form a helical inclining tunnel, a lower end of the tunnel opening towards the air inlet and a upper end of the tunnel opening towards the air outlet.