Room vent humidifier

A room humidifier for use with a warm air register of the type used for supplying warm air to a room, said humidifier being readily portable and arranged to operate without an electrical supply, and comprising:

• a casing having an inlet adapted to be positioned for receiving air from said register,
• said casing having two opposed outlets for directing the air at least partially horizontally from the casing in opposite directions,
• two air porous evaporative filter elements in said casing, each positioned upright in the path of air when moving from said inlet to one of said outlets,
• an upper reservoir in the form of a main water tank at least partly located above both filter elements and having water outlet means allowing water to drip from the tank onto an upper edge of each said filter element, and
• two lower reservoirs in the casing, each in the form of a water pan surrounding a lower edge portion of one of said filter elements and arranged both for receiving water which drips from said filter elements and for supplying water to said filter elements by capillary action.

A room humidifier for use with a warm air floor register of the type used for supplying warm air to a room, said humidifier being readily portable and arranged to operate without an electrical supply, comprising:

• a casing having a base with an inlet adapted to be positioned for receiving air from said register,
• said casing having an outlet for directing the air from the casing,
• an air porous evaporative filter element in said casing positioned to contact air when moving from said inlet to said outlet,
• a lower water pan which receives a lower edge portion of the filter element;
• a lower reservoir in the casing surrounding and communicating with said lower water pan;
• a removable main water tank having a spring operated valve regulating flow of water from said tank into the lower reservoir to maintain a predetermined level of water in the reservoir and in the lower water pan.