US1000447A - Sprayer. - Google Patents

Description

Entente@ Aug. l5, 1911.

ATTORNEY uw .w wm i y To all whom if may concern:

" TED STATES-.PATENT DE WANE B. Sllllilfllfl'ff,A O'E DEERFIELI), NEW YORK..

Be it known that I, DE WANE SMITH,

a resident of Deerfield,v in the county ofl to 4provide'a hand'sprayer of simple constructionl yetadapted to throwI a continuous spray, and'ha'vi'ng means lto easily regulate the fine'ness of'the spray.

'Figure 1.' isa longitudinal 'sectional view. Fig. 2. is aA perpendicular cross sectional view on line 2-2 of Fig. 1. Fig. 3. is a longitudinal-v sectio'nal' view of the nozzle and adjacent parts offjthey sprayer onan "enlarged scale.' Fig. LL 'is a cross sectional view on -line 4 4 Fig. 3. *Fig 5. is al longitudinal sectional view'of the sprayer without air 'connection between 'thel air 'chamber- 'and liquid-receptacle; 4Fi'gs.'6, 7 8 and 9 are longitudinal sectional views 'of modified formsofnozzle onanenlaged'scale.'

Referring-to the drawing in a more particular description, 6 is vthe air compression cylinder having a cylinder head 7 at `the end where the compression is made, and .receivf ing the piston head 8 which is operatedv by the piston rod 9 and the handle 10'. Be-l yond* the cylinder head '7 therev extends from the cylinder 6, the airjcha'mber 11 preferably tapering toward its outer end in'which is located 'the atomizin'g nozzle 12.

' In the cylinder head .7,a ball valve 18. is placed adapted to' allowgairvto -be l forced from the cylinder G 'into thefailr'jcllainbei' 11 and to close and prevent 'the air from escaping back into the cylinder when the piston head 7 is withdrawnon its backward stroke.,l f 'Y Immediately-below the' air chamber 11 is placed-,thefliqui-d Vreceptacle 14 Whchiniay be 4-of'any desired shape but which 7Iunakepreferably in' the form of a cylinderl havl Speci-eation of Iietter's Patent. Application filed October 15 A1909. Serial No. 522,722.

sition on the part 18.

SPRALYIER.

having its longitudinal axis at right angles to the longitudinalaxis ofthe airchamber 11 and cylinder "6." For -fllingg the liquid' receptacle 14 there'is -an,opening at its top to oneside ofthe air chamber 11, having an air tight screw ca-p 15.-' There is a passage'for air from theairl chamber '11 to the liquid receptacle 14, preferably in th'e1\form of a tube 16 which extends upward nearly to the-top of the air chamber. A tube 17 ing-as 'Side tow-ard the .aiechambe 11 and' Patented Aug. 15,' I1911.

for the passage of the liquid-extends from near thefbottom ofthe liquid receptacle .14 upward through the top thereofinto the air chamber 11 and then forward into `the nozzle 12. l v The nozzle 12 consists of a part 18 projecting from the tapering end of theair` chamber 11y and threaded to receive the cap 19 which. has a 'knurled'lange 19a to allow the capto be easily screwed to desired po- 'lhrofllgh `the part` 18 is a hole 18a large enough to al-low 'the liquid tube 17 'to extend therethrough and lstill have an airspace between the tube 17 and the part 18-on all sides. InwardA projections 18b from the 'part 18 hold the tube centrallylocated 'in the-hole'181.' The tube 17 extends slightly beyond the part 18 and has cut i'nto this projecting length' slots '17.

In the 'end of the 'cap 19 a` hole 19b provided oppositeV the end' of the'uid tube 17 For operation the liquid 'receptacle 14 is filled and herein lies one of `the advantages 0f-my invention in providing a separate air chamber; .Heretofore many sprayeigs have chamber, necessitating the A artial 'filling only 'of the .liquid re'ceptac e and giving been constructed in which the tofp 'of' the liquid receptacle has acted 'as-the only-air very Auncertainandunsatisfactory spray at the beginning of 'operations and `particularly if. the 4receptacle had been -too nearly'.

filled. Asthe tu e16 extends upward some distance intoth air. chamber v11, the sprayer can beheld at aconsiderable angle either way ofi' 'of the horizontal without the liquid 4 escaping' into the airl chamber the liquid receptacler-isfull." l

In operating, a few' strokes of the-piston even when causes air pressure enough to obtain a con" tinuous spray which is thereafter easily lmaintained by little eort on the part of the operator. It is evident'that as the air is compressed inthe air chamber it operates in two ways-upon the liquid; in one way, by

, the rush of air directlyfoutof the air chamber v11 through the holes 18 and 19h, causing a suction uponthe adjacent e'nd of the liquid tube 17 after'the' manner of anfejector or'the common 'atomizerg inthe other Way the air pressure is directed downward through the tube 16 upon the surface of the liquid andthereby forces the liquid out of the receptacle :through the.liqu1d tube 17 The relative quantity of air and liquid pass' ing" out and thereby the character of theA vspray is easily controlled by the operator ad justing the cap 19 nearer to or farther away from the end of the tube 17. The `slots v17a are of sch size as to allow suliicient airto atomize the fluid, to mingle with the vliquid -in the nozzle even if the cap is screwed up tight to the end of the tube 17;

' 'If for any purpose, ver-y coarse spra-y is desired, the cap. 19 canbe entirely removed, giving freer escape to both air and liquid i' and resulting in a I spray of appreciable A further modification shown inFig. 5 is.

to dispense entirely withv theair tube 16, resulting in the sprayer a'ctingentirely bythe force of 'the air at the blast opening 'and v 'g'wit'hout the directforcing pressure of the air upon the liquid. AThe presenceof the air chamber still 'maintains a continuous Spray: vl' consider the form'ofnozz'le lhaving the slots 17al in the liquid tube the preferable form of constructiopbut do not wish to con-4 ne myself to that form butto cover any form allowing air from the hole 18a to mingle-with the liquid in vcontrollable proportion proximate the blast openin vGreater facility for escape of air rom the air chamber controls the character of vthespray by increasing the proportion of air to water absolutely in both forms of-sprayer and 'also relatively in the form having an air connection between the air chamber and liquid receptacle by reason of the freer escape of air reducing the downwardf'orce" of air upon the liquid and so 'forcing less liquid out throu h the liquid tube.

Fig. 6 shows t e constant opening; -17b for mingling air with the liquidformed by having the end of'tube 17 at an an le Awith the inner face of the cap 19; Fig. i shows the constant opening formed by having slots in the innerface of the cap extending from outside the end of the tube 17 ,to a point within.

"by Letters Patent. is

.end of the liquid tube with suicient Fig; 8 shows the constantopening formed by holes 17 in the tube 17 near the nozzleI end.

In all these -forms a constant opening is tion herein shown may be made-:without de .parting from the spirit of myj invention.

What I claimas new andv desireto secure .`1-.The combination in"a sprayer of a';

cylinder 'having a head witha trap valve, a piston o erating 1n the cylinder, an air v chamber a jacenttofthe'cylinder head, a liquid receptacle beneath' said air chamber, a liquid tube leading from the lower part of said liquid receptacle, an air tube connecting thetop of theliquid receptacle with the uppen-part oftherairjchamber', and al nozzle opening out of the air chamber and 4surrounding the end of the liquid tube with sufBcient-passage forair on all sides, subst'antially as set'forth;

. 2. The combination in a sprayer of a cylindery having. a head with a trap valve, a piston operating .in the cylinder, an air .chamber adjacent to the cylinder head, a .liquidreceptacle adjacent to the air chamber, a liquid tube extending from the lower part of the liquid receptacle .and provided with slots in its outer end, a nozzle opening out of the air chamber and surrounding the sage for air on all sides, and acap in'threaded engagement with said nozzle and having 'a hole in its head opposite the `liquid tube, said cap being `movable on saidnozzle into and outvof engagement with the slotted -end of said liquid tube, substantially as set forth.'

'3, The combination in' a sprayer of a cylinder'having a head with a trap valve,

a piston operating in the c'ylinder, an air'y chamber adjacent to the cylinder head, .a liquid receptacle' beneath. said air chamber, a liquid tube extending lfrom the lower' .part of said liquid receptacle and; provided with slots in its outer end, an air "tube con- 'f necting the top of the liquid receptacle with 4the upper part of the air chamber, a nozzle opening out of the air chamber and surrounding the end of the liquidjtube with suf# iicient passage for air on allsides, and a cap in threaded engagement with said novzzle nat-ure in the presence-of two witnesses, this, land having a hole in itshead opposite the 7th day 'of October, 1909.

liquid tube, said cap being movableon saidnozzle into and out of engagement with the f slotted end of said liquid tubei substantially Witnesses:

as set forth. l EMMA S. Hnssn, In witness whereof, I have axed my sigv E. EHRESMAN.

DE WANE B. SMITH.Y

Images