US1833150A - Feeding tank for liquids - Google Patents

Description

Nov. 24, 1931.

J. 'r. BE-ECHLYN ET AL FEED I NG TANK FOR LIQUIDS Filed Feb. 10. 1930 I at ' Patented Nov. 24; 1931" Joanie,eeenwumb mmms sJ oenEr -i-or'WORQIESTIJEBL, miissidevsmts; sArD IBEECHLYN: ASSIGNOREO. wEst-nxnirnnmvrsr or WORCESTER, M ssAonUsE'rrs" I a plica t tied mam-10,1 30.' ;sam'mag a:g

the float needle valve, thus eliminating the disadvantagesof bothtypes.

Other objects of theii'nvent-ion' are to provide 'a feed tank having a' distribution cup 'whi'ch 'w'ill' be fed automatically; the feed tank and 5 kept at predetermined level in combination -with a supply tank located 7:30 above 'itrightside 1p and havinga central tube down-through it, tl'iroughwhi'ch the liquid can'be introducedflwhile the apparatus is running and withoutd-isturbingits oper ation and also to provide a cover having means for automatically closing a valve when the cover is opened,'fthus permitting the introduction of liquid into" the tank'up to any desired level without causing" or-allowing" it to be di'schargediromthe bottom of the tank around; said valve, while under increased-pressure during the filling opera- Other obje'cts and-advantages of the in vention'will appear hereinafter.

Reference is to 'behad to the accompany ingdrawings inwhich 1 Fig. 1 is a diametrical-sectional view of a feed tank constructed in accordance with this inventionshowing it in'its normal operof consumption; a t

F-igY-Q-isasimilar view showing the position of the parts when in condition for theintroduction of liquid, and

Fig. 3 is a view similar to Fig. 1 of a modification.

' We are aware of the fact that, particularly in the feeding of fueloil to burners, there are two types'of feeders. In one of these,

called the gravity type, the tank is arranged thereof;

ating condition feeding liquid to the point right'fs'ide' up provided float needle valve/ for controlling thefeed fl'ev'el; This-va1vebesides involving, considerable mechanis1n, is*liableto clog from impurities and cause dangerous overflow; In the other type the tank is'j filled and-:theninverted and thengof course, in order to refill it it has to be taken oil andinverted' again; 'Thisfis-a o pl c ed and dangerous operation. We

have I used the desirable I features of both kinds' f and eliminated the 1 disadvantages 'Refe'rring to that thereis a baseor support. lO having at the top-adistributing cup 11 which "is open tothe air at theftopfand discharges normally and constantly, according to the deinands, through a pipe 12 to an oil burner or the like.

Figs: 1 and-2 itwillbe seen i The-purpose of therest ofthe' device is to keep the oil up to thedesired level in this clip so the 'cup will always feed whenever there is'a demand and in accordance with the demand, The' supply tank 18 is provided with conical'b-ottom 14: having a-dep'ression '15 the center and'the' side wall-'16 pro-* jects down beyondgthe-bo'ttom 14, which'latter rests on the top of the cup 11. By this construction the tank 13 iskeptcentered and the weightiof the oil in itholds it down in proper: position and the cup' ll andtank 13 appear substantially as one element and practioally never have to be separatedinuse Also the tank can be liftedofi? and put down. on a except for cleansing or repairs.

surfacesupported the flange around the bottom.- 1

This tank is provided with a filling cup 17 at the top which communicates with thefinterior-ofthetank througha central'ztube 18 having a'receivingcup19 atithe top and open at the bottom in the depression 15; Obviously when oil is poured into, the receiving 01119117",v i

there isnothingi whatever .to interferewith its quiet and even flow; into the interior of the tankrl 1 D i ln orderfto prevent the rush of oil out of the tube 18 and into the cup ,l'l'througha port 20, a valve'21 for-this port is mountedonia valvelstem '22 whichisprovided with a collar 23. Between the collar 23 and. the-bottomof cup 15 is'arrangeda coil spring 24. which would normally holdthe valve 21 closed and prevent all I feeding. However, this valve stem 22 is provided witha t'oparm 25 which is engaged by a bracket 26 on the cover 27 of thereceiving tank and held down when the cover 2'1 is" closed, as will beseen bycomparison of Figs 'l and 2. The valve stem is filling the spring 2-t immediately closes the valve 21,',as shown in Fig.2, andthefi-lling' can be-accompli'shed withoutintroducing anyu. I

valve stem exten s, means forguidinggthe valve to movevertically, a pipe extending, .downctromithe, said receiving cupfandcsur F g oil intothe cup 11, althoiigh that cupis operative tofeecl .into the burner-all the time during the fillingoperation. I 5; Wehave'also shown the usual vent pipe 28i This issuppcrted in the bottom 14 "and extendsclown below thelevel of theliquid; in- .the cup: llrandup into thetank 'l3 iabove the leveliojfjthe liquid therein. This pipe 28 serves forcOI flllctingthe air when filling the tanlrandv acts as a check valve. Excessive flow ofthe liquid through the port 20 is pre+ ventedbythe formation of a partial vacuum by any drop of the level of liquid in the tank a '13. Thefport 20 allows air to. bubble up through the liquid. to; provide for normal feeding; ,The level inwthecup llfis kept con- I stant andeven with thebottomof the tubel8 slightlyfabom the level of the bottom ofthcp p cz -p cf V i In the form shown'inFigL 3- the situation is; substantially the same except that there is I no valve 121.. I In place of itthere areports inlthe: depression-at the center of the bottonr-l-ihiand thereis.v a PlateBl connected to the bottom bya-screw 3 2; and'spaced ,ifrom it and; carrying a wiclring 3.3 or packing which permits only slow seepage of thejoiltherethrough. .No, valve :is required in this case prevents foreign substances getting intothe but the; wick, or packing has to beselected with: particular reference to the characteristicsgof the particular liquid being use This packing restricts the'fl'ow under the momentary high pressure during the =fillingop eration' but is not sufliciently, impenetrablefto p re'iventithenormal low consumption rate of 7 news This packing also acts as a filter and cup. I

liqnidsandis notrestricted to oil, although it is designed particularly for oil for :oil burners. 1

' Although we have illustrated and'dcscribed only two forms of the invention,,we.are, aware of the fact 7 that other modifications can be made therein by any'person skilled in the art without departing from the, scope of" the in; vention as expressed in; the claims.

' Therefore, we do. not wish to be limited in this respect but what we do claim is 1. In a storage and supply device for liqi flange extending down around the cup to center it, the bottom. of said tank being-depressed and havinga discharge port, a. valve belo'w'j said portrfor normally closing it, a valve stem' extending upwardly through the storage tanl'q'a spring on-thevalve stem resting on inga receivingcu at the top into which the rounding said valve stem and open, at the.bot; -f tom, and. a cover attheitop ofthe; receiving cup having a bracket thereon which, when the 11. i

' uids, the combinationwith a distributing cup V for receiving the liquid, of arstorage tankf having its bottom resting on said cup andga the bottom for 'nor'mally raisingthe valve-to keepit closed, a flooror wall extending acrossv the tank'ata-distance below its top -and form cover is closed, engages the top of the valve" stem and: holds the valve open.

;2., In a storage tank tor liquids, the come.

binatjion withabottom having-a discharge port. and a valvebelow said port for normal 1y closing it, ofja'valve;stem extending up: wardly through the, storage tank. a spring on distance; belowitstopand torminga I-fBCGlV! ingcupinto which-thevalve stem, extends,- a

. pipe extending-down fromvthel said receiving cup and surrounding said valve stem and open at the bottom,- and; acOVeratthetQ -of the receiving cup having means thereon which, when the; cover isc'losed, engages the valve stem and holds the valve open. j

.- 3. In astorage and supply device for; liq

l ids, the combination with a distributing cup for'r'eceivingthe liquid, of a storage tank,

the bottom of-saidtank being depressed and having a. discharge. port, .a valve; belowsaidport. for normally closing it, a valvev stem ex tending upwardly through the 7 storage. tank, means for'normally raising the valveto keep it closed, a'receiving cup at the top into which the valvestemextendsa pipe extending down from the saidfreceiving cup and open at the bottom, and a cover at the top of the receiving.

cup having a bracket thereon which, when thecover is, closed, engages the top'ofthe valve stem'and holds the valve open.

' In testimony whereof we have hereuntoaf fixed our signatures.

JOHN T.

. 12o BEECHLYN..-. I MAUBIT'S saoenEN;

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