US2190945A

US2190945A - Air circulating device

Info

Publication number: US2190945A
Application number: US253909A
Authority: US
Inventors: Arthur E Guth
Original assignee: Individual
Current assignee: Individual
Priority date: 1939-01-31
Filing date: 1939-01-31
Publication date: 1940-02-20
Anticipated expiration: 1957-02-20

Description

A. E. GUTH AIR' CIRCULATING DEVICE Feb. 20, 1940. 2,190,945

Filed Jan.. 5l, 1939 4% 1f i l 553 VII;

. Patented Feb. 20,1940

UNITED STATES PATENT OFFICE 2,190,945 AIR CIBCULATING DEVICE Arthur E. Guth, Bang r, Maine y Application January 31, 1939, .Serial No. 253,909 y 6 Claims.

The invention aims to provide a new and improved device for circulating the air in bedrooms and various other rooms, in such-manner that summer air may be conditioned for complete comfort, Without draft.

With the foregoing in view, the invention resides in the novel subject matter hereinafter described and claimed, description being accomplished by reference to the accompanying drawing.

Figure 1 is a vertical sectional view through a portion of a room showing `the invention supported in an operative position therein.

Figure 2 is a horizontal sectional view on linel2--2 of Fig. 1.

Figure 3- is a longitudinal section partly in elevation. Y

Figure 4 isv a disassembled perspective view showing the supporting bracket.

The drawing above briefly described illustrates a preferred form of construction and while that construction will be rather specifically explained, it is to be understood tha-t within the scope of the invention `as claimed, variations may be made.

I have shown a plate I0 .for attachment to a wall or `a window frame and forming part of a bracket for supporting the device in an operative position. One side of the plate IIJ `is provided with converging undercut anges' II which detachably hold a tapered block I2 against said plate, a horizontal arm I3 being hingedat I4 to said block for horizontal swinging to any desired position. The free end ofthe arm I3 is provided with a vertical bearing I5. This bearing receives a short stub shaft I5.' which projects downwardly from the bottom I6 of a horizontal sleeve I1. Within this sleeve is a horizontal driving motor I8 for a rotary fan I9, said motor o having a supporting pedestal 29. This pedestal is provided with a ange 2| resting on the bottom I6 of the sleeve I1, and the stub shaft I5 is provided with a similar ange 22 contacting with the 'lower side of said bottom. Rivets or other fasteners 23 pass through the two

anges

21 and 22 and through the bottom-I6 to secure all of these parts in lxecl relation with each other.

The sleeve I1 is of cylindrical form andv its outlet end 24 is cut in an inclined plane which intersects the plane of rotation .of the'fan I9, said end 24 being so related with said fan that the upper portion 26.0f the sleeve I1 overlies land extends beyond the fan but the lower portion I6 of said'sleeve does not underlie said fan,

(Cl. 23o-120) leaving the lower portion of the latter always operating in the free air in front of the sleeve. By this arrangement, the air leaving the upper portion of the sleeve I1 will be horizontally directed whereas that leaving the lower portion ofv 5 said sleeve will' be directed outwardly and upwardly. The proportion of horizontally and up-e wardly moving air currents may be varied by adjusting the fan I9 longitudinally of the sleeve I1, for which purpose the fan hub 21 is adjust- 10 ably mounted at '28 on the motor shaft 29. The nearer the fan I9 is to the lower front portion of vthe sleeve I1, the less upward air current, and vice versa.

The inclined outlet end 24 of the sleeve I1 is 1B preferably cut at a sixty degree angle to the axis of said sleeve. Preferably the inlet end 30 of this sleeve is also cut in an inclined plane parallel with the outlet end 24, andby so doing, less resistance is offered to the air entering the sleeve, 20 and noise is reduced.. The rear edge of -the sleeve is preferably rounded as shown at 3| and the rear portion of said sleeve may well be lined at 3 2 with the so-called wallie felt to still further reduce noise. The rear end of the fan motor I3 25 is preferably provided with a slotted cone 33 to direct the air properly around said motor and still further reduce noise. A suitable guard 34 is preferably carried by the front end of the sleeve I1, below and in front of the fan I9. 30

Obviously, an appropriate time switch and rheostat can be used to provide automatic regulation of rimning time and speed, and as such equipment is well known and forms no part of the present invention, it has `not been illustrated. 35

"InV Figs. 1 and 2, I have shown the device mounted on the upper corner portion of a window frame 35, nearthe ceiling 36 of a room, the device being preferably six feet or more above the floor 31. With the bracket arm I3 swung to the 40 proper position, the sleeve I1 and associated parts are positioned to direct the air currents' not only upwardly but obliquely against onewall 38 of the room, the result being that these currents will be deflected diagonallyfrom this wall to the next 45 and so on, as illustrated by the arrows in Fig. 2. With the fan operating, the upper window sash 39 lowered slightly and the lower sash 49 some- .what raised, a continuous circulation `of air in the entire room is effected without drafts, the 5o circulation being so efficient that a person may sleep under bed clothes even in the hottest summer weather. By maldng use of a suitable time switch and rheostat, the device may be operated at desired speed and cut of! about the time when 55 the room should be cooled to a comfortable extent. Moreover, by'using the rheostat to control the speed of the fan, substantially silent operation may be attained which will not interfere with sleeping. Y

As excellent results may be Obtained from the general construction shown and described, it is zontal sleeve open at both ends, and

preferably followed. However, within the scope oi.' the invention as' claimed, variations maybe made.

l. An air circulating device comp a horizontal sleeve open at both ends, .and a rotary fan mounted in said sleeve vnear its outlet end for rotation in a vertical plane to create a current of air longitudinally through said sleeve, the outlet end of said sleeve being,r so shaped that it overlies said ian but does not underlie the same. whereby the air leaving the upper portion of the sleeve will be directed horizontally and the air vleaving the lower portion ofsald sleeve will be directed upwardly.

2; An air circulating device comprising a horia rotary tan mounted in said sleeve near its outlet end for rotation in a vertical plane to create a current oi air lonaitudinally through said sleeve, the outlet end oi said sleeve being cut in an inclined plane which intersects the plane or rotation of said 1an, said inclined sleeve end being so related with said ian that the upper portion of the sleeve 4 overlies said fan and the lower portion oi' said sleeve does not underlie said fan.

3. A structure as speciiied in claim 1; togethe with means for adjusting said fan longitudinally of said sleeve to vary the proportion of horizonl tally and upwardly moving air.

' 4. A structure as speciiied in claim 2 together 'with means for adjusting said fan longitudinally of said sleeve to vary the proportion oi horizontally and upwardly moving air.

5. A structure as specified in claim 2; the inlet end of said sleeve being also cut in an inclined plane which is substantially parallel lwith the plane in whlchsaid outlet end is out.

l6. A structure as speciiled in claim 2; the inlet e end of said sleeve being also cut in an inclined plane which is substantially parallel with the plane in which said outlet end is cut, said inlet end being provided with a yieldable lining which muiiies the sound oi' the ingoing air.

ARTHUR E. GUI'H.