Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUS1583342 A
Publication typeGrant
Publication dateMay 4, 1926
Filing dateFeb 29, 1924
Priority dateFeb 29, 1924
Publication numberUS 1583342 A, US 1583342A, US-A-1583342, US1583342 A, US1583342A
InventorsDlugosch Louis S
Original AssigneeDlugosch Louis S
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Hot-water-circulating system
US 1583342 A
Previous page
Next page
Description  (OCR text may contain errors)

'May 4 1926.

y 1,583,342 L. S. DLUGOSCH HOT WATER CIRCULATING SYSTEM Filed Feb. 29, 1924 Patented May 4, 1926.

f UNITED sr Ares LoUIs s.A nLUeson, orsfr'oniii 11Min, IOWA.


'Application' mea February 29,1924; serrer No. ee'loeel? 1 y To all l@hom it may concern l Beit-'known thatfI, LOUIS Aa' lcitizen of the United States', residing at ,Storm Lake,'in the county ofBuena Vista' and' State or Iowa, haveinvented certain* neWH-and useful Improvements in Hot-l vl/Vater-Cireulating Systems, of Whioli the following is a specification.

Thisj Vinvention relates to 'neiv and 'usefnlimprovements in hotfwat'e'r Cirvou'latinoisysl teins and has forits vprincipal objeetftoprovidey a means `in connection therewith' rvfor'` preventing the drawing yof ooldfwater from" the'v feedl boilerjjvhen` the fauc'etisopened';'

Another important object ofthe present! invention is' to Fprovide a hot' Water circulat-k ing system off'the aboveanentioned pharao! ter, Whih vof suoli a constructionastof Insure v an"l instant supply of i hot Water atVVA all times *provided thatA-'the Water:V inthe Vboiler has been heated.

'A' further object of the presentinventionv isto provide a ,hotY Water circulatingsystem orI the labove mentioned character,l`

f Water' When-the faucet: in thepipe linefis:

wherein automatic 4meansl is"provide l for preventing the downward flottT of the'oold opened to draw Warm Water.

A still further "ob'ect ofthe' present 'in`` vention is to provide va hot Water circulating systemof the above'nientioned oharafn ter vwhich yis simple in. construction, inexpensive, strong' and` durable, and Vfurther i wellladaptedfor thel purposes for which it` is'designed.

' Other objects andv advantagesl or this in# i vention vvvillhbecome apparent during the course of' the folle'iving deseription.

'In the4` 'acoonipanyingf drawings forming a part o'this speeiication'andfin r Whioh'like numerals designate like parte throughout the saine z" f Figure l is a side elevationTofqmyhotr Water Icireulatingv system* wherein" a ,lvertical r valve is associated'therewith.

FigureQ is a Yertieal 'lseetional vview-or the' valve' easing shew-inging" valve-ifm pesa-ien' therein'l'l Y f Figure 3' is a viev 'siinila'rf tou Fignrefl showingv ya horizontally arranged valve" in connection with thev circulating? system.

Fifgire Ll1 is ai fragIn'entary detaill vieri7 y showing: a modification" of the horizontal valve easing;`

. .erigere-'15* ist, beginnen-Sandiawie@ upper'end' thereof is conneotedby any suit Vable coupling to the horizontally-v extending:-

. ofjthe valve casing shown in Figure ,4. Vwith DLUeoson, f

section ofpipe'. TheV latter'pipe'is also yconnected by V'a suitable; coupling* to" they vertieally'extendingf pipey 6 and this pipeJ 6. extends for a distance belowzthejbottoni:

7 ofthe Water'tank l asis Clearly illustrated in y.tlie1draWings'- v v TheY lower lei'idfoizrtlie verticallyy extend# ing 3 pipe't.A `is connected tothei horizontal' section 8 and' by means or asuitablercoupl ling the last ymentioned pipe is connected t-ot'he vertically extendingpipefQ VWhichcornmunicates with the-bottomi7 of" the;V

Water tank l.v The pipe seotionsll, 5,6, 8 and 9 when connected together, forinwhat may be broadly :defined .as aoiroulatinglconduit. ,y In thisl manner, it will 'be readily seenthat a continuous' circulation Willj be Y, provided from:V the top4 of; the tank l to the bottom,V

thereof `for thepur'poses' to be hereinafter more fully described,A 'Arrjanged inV the` jvertiealf pipe. 6y atany desired position, is

a suitable Coupling 10 to which: a housesupply vpipe 1l Conneeted. Also? locatedl inv the' Circulating pipe, preferably in the-horizontal seotionj, is a faucet 12 of arvvell known jcnnstructiont u Arranged 1in; .the rert-Ca1ppje9fWhcli come prises an upper sectionand a lowerfs'ection, is the valve 'easing 13.V The valve'casing-l ,isl Substantially' `tubular n in crossseoti'onwas ingle-andres its .upper andi. 10werfencls, re' sp'eetively, c'onnectedlto 4the ,upper section andlo'vver sectionmofthe vertial pipe 9.l To this en'd, I provide theupper end ofj the tubular-valve casinglfl*WithvUan-jinternally;2`

threaded" nuto: portion :1,1

4,1 the "019139. fte Qi-r loyver end rgzthel.; sa] ei)L heated in any well known manner.

`section of the vertical pipe 9. The fitting 15 with a central opening 18 terminates Vat it-s upper end in a conical valve seat 19. Adapted for reciprocatory movement within the casing 13, is the valve 29. r1`his valve 2O is preferably formed o'f copper and has its ends rounded, as is clearly shown in Figure 2 of the drawings. rlhe lower end of the valve 20 is adapted to seat on the valve Vseat 19 provided at the upper end of the fitting 15 when in one position, and to limit the upward movement ofthe valve 20 within the casing` 13 I provide a cross piece 21 adjacent the upper end kof the casing 13.

Ordinarily, with the hot water circulating systems now in use, when `it is desired to draw off hotv water from the tank, a person has to wait a fewk minutes in order to enable the cold water standing in the piping to pass through the outlet pipe before the warm water reaches the spigot lor faucet. In the arrangement as shown in VFigure 1 of the drawings, the necessity of having to 'drawoff the cold water first is eliminated since warm water willl at all times be within the circulatingr pipe so that upon opening the faucet, a current of hot water may be immediately obtained.V VNormally, the valve 2O is held out of engagement with the valve seat 19 due to equal pressure being placed on both sides of the valve so that a continuous circulation of water from the tank 1 to the top thereof and through the pipe 6 and finally through the bottom of the tank will he provided. In this manner, warm water at all times is ycirculated through. the pipe 6 and through the boiler 1, it being under# stoodof Vcourse that the tank is initially When the faucet 12 is opened, the back pressure on the valve 2O will 'cause the sameV to seat against the valve seat-19 preventing a downward iiow of water through the pipe 9 thus preventing any cold water from entering the pipe and causing the warm water to rise through the pipes 4, 5 and 6 and to be drawn off finally by the faucet 12.

ln Figure 3 of the drawings, a similar arrangement is shown wherein the circulating pipe 22 is connected to the top and bottom of a water tank 23. A valve casing 24 y is associated with the circulating system and is arranged horizontally and disposed in the horizontally extending section of pipe 25, in the manner clearly shown. The circuvlating pipe 22 is provided with the usual drain faucet 26 in the vertical section there of. vThe valve casing 24 has its inner end which is substantially ,of the same construction as the fitting 18 heretofore described and provided with the valve seat 28 and the internally threaded portion 29 for'connection with the horizontal pipe 25. The fitting 27 is provided with the central open- 1ing 30 similar to the opening 18 provided in the fitting 15. The opposite end of the valve casing 24 is provided with an extension 31 which is also internally threaded' for coniiection to the vertical section of pipe 32k extending from the bottom of the water tank rThe extension 31 is preferably arranged adjacent the outer end of the valve casing 24 and adapted to be threaded into the outer end of the valve casing 24 is the closure plug 33.

The valve casing 24 is also substantially tubular in cross section as shown 1n the and arranged -in spaced relation are the guides 34. These guides are arranged preferably adjacent the inner end of the yvalve casing and are adapted to cooperate with the valve seat 28 of the fitting 27 in permitting the valve 35 which is in the form of a ball to travel in the casing in such a manner as to permit the valve to readily seat against the .valve seat 28 when in one position and to engage the stop 36`when inthe other position. In F igure 4 of the drawings,` a still fur# ther modification of the valve is shown wherein the horizontally disposed valve casing 37 has its respective ends connecting the horizontal sections of pipe 38, the latter being connected to thevertically extending section of pipe 39 which communicates with the bottom of the water tank 40. The closure plug 41 associated with the yvalve casing 37 is preferably threaded into the extension 42 formed on the upper portion of the Vvalve casing 37 adjacent the ends thereof. The valve structure associated withY the valve casing 37 is identical with the valve structure shown in Figures 6 and 7 and it is not thought necessary to describe the same.

' The operation'of the valve 35 within the valve casing 24 is substantially the same as the valve action in the case of thevertically arranged device shown in Figures 1 and 2 of the drawings, and heretofore more fully described.

It will thus be seen from the foregoing water will be caused to pass through the y water tank and through the circulating pipe so that a person does not have to wait in order to obtain. Warm Water- The .Simplicity of my device enables the same to be readily assembled and does not require any attention on the part of a person desiring hot water nor is any mechanical means necessary in order to prevent the cold water which is always in the bottom of a water tank from being discharged through the faucet.

IVhile I have shown the preferred embodiment of my invention, it is to be understood that various changes Ain the size, shape and arrangement of -parts may be resorted to without departing from the spirit of the invention and the scope of the subjoined claim.

Having thus described my invention, what I claim is:

A water circulating system comprising a tank, a water supply pipe leading into the tank and terminating adjacent the bottom thereof, a water circulating conduit connected at its upper end to the top of said tank and connected at its lowerend to the bottom of the tank, a portion of said conduit being disposed on a level below the bottom of the tank, a house supply pipepcommunicating with said circulating conduit, a check valve in said circulating pipe adapted to prevent the flow of water from the bottom of the tank through said conduit, and a water discharge spigot for the tank also in the circulating conduit, said spigot being disposed below the bottom of the tank, and said check valve being disposed between the spigot and the bottom of the tank. f l Y In testimony whereof I affix my signature.


Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4777347 *Sep 2, 1987Oct 11, 1988Mottershead Bernard JElectric water heating tank with thermosiphonic circulation for improved heat recovery rate
US5183029 *Apr 14, 1992Feb 2, 1993Ranger Gary CHot water supply system
US6370328 *Apr 2, 1999Apr 9, 2002Bernard J. MottersheadWater heating tank with thermosiphonic circulation for improved heat recovery rate
U.S. Classification126/362.1, 24/129.00R, 137/533.15
International ClassificationF24D17/00
Cooperative ClassificationF24D17/00
European ClassificationF24D17/00