US1685221A - Humidifier - Google Patents

Description

Sept. 25, 1928.

F.. F. BAHNs'oN 'A HUMIDIFIER Filed June 30. 1924 ......-Illuz Patented sepa-25,1928.'

UNITE-o STATES P aif lli-fiar'f fol-Fica rnnnnmc r. muscu, or'wmsron- ,wenn casema. 1

l AApplication-llcd June 30, 1924. :Berialom l I This invention relates to humidiers ofthe midiiier.

type which distributes moisture directly into r the air of the room or other space in -v'vhi'ch a controlled humidity is desired, and more particularly to small and portableh'umidifiers adapted for use in residences. f I

An object of the invention is to'p'ro a small humidifier which will deliverI amarimum quantity of'l'noisture to the air. Ali

In the drawing, the numeral 1 designates a receptacle for holding water, which're'ceptacle is preferably provided with a peripheral flange and shoulder '2 upon whlch the frame -and operating parts of the humidifier may rest. As shown, the frame comprises three straps or legs 3 forming a ltripod support forfa lmotor 4, which'is arranged with the armature shaft 5 in vertical position. The moving parts, which are allv mounted upon the shaft 5, are a fan 6, a water distributing disk' 7 and' a water elevator 8.

The water elevator 8 is constructed as a tube .of uniform diameter having a bushing 9 at its upper end by means 'of which the tube is connected tothe motor shaft.

The tube 8 is of such length as tojdepend well below the. frame 3 and is provided with a lower end wall 10 having an opening thereinof less diameter than the inside diameter of the tube 8. IThe end wall 10 is pre'ferably formed as an inverted trim-v cated cone and may, if desired,*be provided with a shallow cross blade 11 to assist in the lifting operation, Above the u wardlyaring disk 7, thetube 8 is provi ed with-one or more apertures or rows\ of apertures through which water whichtravels up the inner face of the tube maybedelivered to the disk '7 Adjacent the periphery of the disk 7 is an annular set of statlonary blades 12 which break up the water from thedisk .--J n ias When current is analr current est :of-the' current delivered-byjf 'thej an" -ipasses loutwardly o ver the upperj -faceloff-theedisk 'and -ahother 'ortion passes sk, and then 60 through`fopein 13 'in the outwardly betweenfthe lower face of the disk provided" withfblades 14 which 'assistin establlshmg'the lower air current. Obviously the openings'13 liev inside of the points` at 05- which water thrown strikes the disk.

The operating parts vfrom'the water elevator vare enclosed by mein-v `hers which direct the moist air from the humidifier vin a horizontal direction and 70.

which also serve to return to the water supply any drops of water which settle o1it of the air current. Thelower portibn of the' casing comprises a shell 15 -whose lower edge preferably engages the ange 2 of the water 75 receptacle with a sliding fit. The upper.

edge of the shell is turned inwardly, forming a liange 16, and' an upwardly and out? wardly flaring member 17 is `mounted upon the frame 3 and spaced from the liange 16. 80

4The lower portion of the member 1 7 carries a horizontal plate 18 which extends towards the shell 15 and lies below'the outlet open# ing, thus constraining the moist air to follow a tortuhus path. It will be noted that the surfaces along which the-moist air travels will return any precipitated moisture to the receptacl The humidier/ casing is preferably completed by a shell f19which rises from the 90` member 17 Yand extends above the;motorl 4.

The air enters -through the open end of the shell 19, which open end is Ypreferably provided with a guard such as a'wire screen 20.

e The inner end of the casing 17-19 is closed, 95

except for the central outlet directly above the fan 6.

f In some cases the eedo rotation of the A water elevatorl and e shape ofthe water receptacle may be such that the entire body looof water tends to travel about .the receptacle.

ATo' prevent this action, crossed ribs 21 may be provided below the elevator tube.

The humidifier will, of course,1he co'n-fw trolled by a humidistatof any suitable type,

which humidistat will be located at some point remote from the moist air outlet of the humidifier.V The-choiceand location of the--humidistat, however, form' no part ofY the present invention. sgpphed to the motor',

lished which moves downwardly upon the rotating disk'7, part of the air then moving laterally along the upper face of the disk, while the otherportion passes through the disk and then moves outwardly between the disk and the surface of the water. lThe rotation of the elevator tube 8 lifts water from the receptacle and dicated by the arrows. of the elevator tube Sas a right circular cylinder, water is prevented from traveling' lup the outside of the tube, the entire flow discharges it upon the upper face of the disk, the path taken by the water being .in-

Due to formation taking place along the inner Wall. The water is thrown from the disk with a high velocity and is atomized by impact against the blades l2. Due to the provision of an air current below the level at which the water isatomized, the evaporating capacity ofthe humidifier is very high as only the larger drops or particles of water can sink through this air current. Some relatively large particlesv will be taken up by the air currents, but such particles will be deposited upon the surfaces which define the tortuous outlet passage and receptacle. i

It will be apparent that the embodiment will flow back into the described herein". is illustrative of my invention, and that manyv changes may be Iliade in the various parts, their relative size, shape and location without departing from the invention as set forth in the following claims.

I claim: A 1. In a humidifier, a supporting frame, la

Ymotor carried by the frame, a tube depending from said framev and having an opening near the upper end thereof, said tube being rotatable by said motor to deliver water through said opening, a fan located -above said opening and establishing a current of air downwardly along said tube,

and means carried bv and extending laterally from said tube below said opening to receive water delivered therethrough, said means having openings therethroughl permitting a portion of said air current to cross the path taken 'by the water and to move outwardly from said tube below the ,said laterally extending means.

2. In a humidifier, asupporting frame' adapted to be supported by the walls of a water-holding receptacle, a motor carried by said frame, a water elevator operated by and depending below said motor, said elevator having an opening near the upper end thereof, fan blades carried by said elevator between'said opening and said motor for establish-ing a current of air 'downwardly along said elevator, a water-throwing dis A blow said opening for receiving water delivered therefrom, and means adiacent the periphery of said disk'forl breaking up the water thrown from said disk.

3. In a. humidifier, a cylindrical tube adapted to be rotated by a motor, an open-v ing near the upper. end of said tube, a lower end wall for said tube comprising a trun cated cone tapering downwardly fr oni'the side wall of the tube, afan carried at the upper end of said tube, and a water-reo and delivering disk carried by said i ceiving tube below said opening.

4;. rlhe invention as 'clainied in claim 3,

wherein said disk is provided with. apertures near said tube to peiniit the pasage through said disk ofair delivered by said fan.

5. In a humidifier, a frame adapted to be positioned above a watersholding receptacle, a motor on said frame and having a vertically arranged shaft. a tubular water ele-- vator carried by said shaft, a fan at the upper end of and adapted to deliver a current t of air axially ofsaid water elevator and an upwardly flaring disk on said tubular elevator below said fan and having its cential portion located below the water delivery outlet of said elevator, said disk being `provided with apertures adjacent the axis thereof. i

6. In a humidifier, -a frame adapted to be positioned above a water-holding receptacle, a motor on said frame and having a vertically arranged shaft, a tubular water elevator carried by said shaft, afan at the upper end of and adapted to deliver al current of air axially of said water elevator, and' a disk on said water` elevator below said fan, saidl disk comprising aflat apertured por'- tion positioned below the water delivery outlets of said elevator and an' outer por- A tion Haring upwardly and outwardly from said flatapertured portion to receive and distribute water thrown centrifugally from' the outlets 'of said Water elevator.

7 lThe invention as set forth in claim 6, wherein said fiat portion of said disk is provided with blades for-assisting the passage outwardly'along the lower face thereof.

In testimony whereof.'I 'aflix my signature.

vby said fante pass throughrsaid disk and FREDERIC F. BAHNsoN.

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