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US 5,490,957 AGranted
Portable humidifier
OwnerWilliam E. Lasko, Charles Litvin +2inventors
InventorsWilliam E. Lasko, Charles Litvin, Kurt F. Hafeken, Leo Gonzales
Life of this patent
Estimating the term…
Abstract
A portable humidifier that provides a visual indication of the internal water flow, with a motor for pumping water so that it provides a visible show, flows over at least one vertical filter, which provides uniform increased humidity for the filter area, which motor is also attached to a fan blade to disperse moisture into the environment.
Claims4
A portable humidifier for providing moisture laden air which comprises
- an outer housing having a front wall, side walls, a top and bottom wall, and a rear wall,
- said top wall having an air outlet opening with a grill therein,
- said side walls and said rear wall having an air inlet grill opening,
- a supply of water in said housing,
- motor means carried in said housing with output shafts at the top and bottom of said motor means,
- water pump means connected to said bottom output shaft,
- said water pump means having a water inlet in communication with said water in said housing and a water outlet,
- hose means in communication with said pump water outlet,
- a water trough below said top wall extending between said side walls,
- a plurality of filter supply drip holes in said trough,
- said hose means extending across said trough, and having a water supply nozzle to supply water thereto,
- at least one vertically oriented filter means below said openings in said water trough to receive water therefrom, and which is above the water on said bottom housing wall,
- said hose having a water show nozzle on the end thereof,
- viewing means in said rear wall to permit viewing of water discharged from said water show nozzle, and
- fan blade means connected to said motor top output shaft to cause air to flow in through said air inlet grill opening, through said water filter means, and to cause moisture laden air to flow out through said air outlet opening grill.
12 more elements
Dependencies are inferred from the claim text.