Humidifier with a water tub within a pressurized chamber

US11040166B2 · kind B2 · utility

Assignee

• ResMed Pty Ltd · AU

Inventors

• Alexander Virr · Sydney, AU
• Andrew Roderick Bath · Sydney, AU
• Nathan John Row · Sydney, AU
• Dan Kao · Perth, AU
• Phoebe Katherine Hill · Sydney, AU
• Nicholas Andrew Earl · Royston, GB
• Hargopal Verma · Parramatta, AU
• Junning Chen · Sydney, AU

Key dates

• Filing date: Dec 18, 2018
• Grant date: Jun 22, 2021
• Expiry date: May 7, 2039

Classification

• Technology area (CPC A): Human Necessities
• CPC primary: A61M2205/587
• WIPO field: Medical technology
• WIPO sector: Instruments

Abstract

A tub is configured to contain a supply of water and is configured to be inserted into a chamber of a humidifier. The tub includes a tub base configured to contain the supply of water. The tub also includes a tub lid and a flow plate provided between the tub base and the tub lid. The flow plate includes a water level indicator configured to indicate a level of the supply of water in the tub base. In addition, the water level indicator includes a generally rectangular portion and a generally triangular portion.