US1457372A - Water-heating grid - Google Patents

Water-heating grid Download PDF

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Publication number
US1457372A
US1457372A US55725722A US1457372A US 1457372 A US1457372 A US 1457372A US 55725722 A US55725722 A US 55725722A US 1457372 A US1457372 A US 1457372A
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Prior art keywords
water
grid
fins
burner
heating grid
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Expired - Lifetime
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James E Kennedy
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James E Kennedy
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C13/00Stoves or ranges with additional provisions for heating water

Description

June 5, 1923. 1,457,372
J. E. KENNEDY WATER HEATING GRID Filed Apz il 29, 1922 2 Sheets-Shet 1 FIG. 1.
FIG. .2.
June 5, 1923. 1,457,372
J. E. KENNEDY WATER HEATING GRID Filed Ap ril '29, 1922 2 Sheets-Sheet 2 V JarneaEi Jib 00a? UNITED sr Patented June 5 1923.
To all whom it may concern: I
Be it known that I, JAM S E. KENNEDY, a
citizen of the United States of America, re-
siding at Washington, in the District of Columbia, have invented certain new and,
useful Improvements in Water-Heating Grids, of which the following is a specifi cation.
vThis invention relates to water heatingv provide a simple, inexpensive and practical form of grid for gas stoves whereby water may be efiicientlyheated whenever desired and particularly while the burner is being, employed for the cooking of food, thereby resulting in economy by avoiding the necessity of aseparate heater for obtaining hot water. l l p With these general objects'in view and others that will appear asthe nature of the invention .is better understood, the same conslsts 1n the novel constructlon .comblnatlon and arrangement of parts hereinafter more fully described, illustrated in the accompany drawings, and pointed out in the ap pended claims. a
In the'drawings: a V t Figure 1 is an elevational view of a grid constructed in invention.
Figure 2, is a top shown in Figure -1.
plan View of the device Figure 3 is a substantially central transverse sectional view of the device shown in Figure 2.
' Figure 4 is a horizontal sectional, view taken on line IV.I'V of Figure 1,.and
Figure 5 is a fragmentary substantially radial sectional view on. line V--V of Fig- 11115 2. I v. t
Referring more. in'detail to the several views, the invention embodies certain modifications of the usual form of grid which is adapted to be removablyzsupported upona suitable ledge of a stove frame above the burner 5 of the stove, which grid embodies WATER-HEATING- GRID.
, accordance with the present,
I l i: I 1,457,372
Application filed April 29, 1922.- Serial No. 557,257.
a plate portion 6 that is supported in a horizontal position when inv use and whichhas a central openin of the flames and the heat of-the burner to the cooking vessel, a tubular dependingflange or sleeve 7 being formed integral with and projecting perpendicularly v from" the under surface of the plate portion 6 and-be- 1 ing preferably disposed. betweenthe inner and outer peripheries of the plate as clearly shown in Figure 2. The usual form" of grid embodies radial inwardly extending and uniformly spaced fins 8 adapted tomore ef-'. fectively radiate the heat from the burner and the presentinvention contemplates forms lng these fins of tubular construction with tubular connections 9 and 10 alternately provided for the fins respectively at the outer I and inner ends thereof so that acontinuous passage is providedvof a tortuous nature for the circulation of water therethrough. The. tubular connections 9 and 10 may be readily provided in a casting operation with the inner wall of each of the connections 10cc.-
operating with theadjacent portion ofthe sleeve 7. V V The sleeve 7 is preferably of a greater length than the connections 9 and 10 and or for the upward passage s PATEN C v JAMES E: KENNEDY, or WASHINGTON, nisraror or oonumnmp.
finsS so as toextend slightly below the latthe vheat from the latter and insuring 11p- Vward passage of all'of such heatthrough ter and surround, the burner 5 for'con fining g the central opening of the grid; The pro- 1' j'ecting portion of the sleeve? is-l provi ded with notches or cutout as at 11and 12 (see; VFigures 1 and 3,) for reception, respective ly of the inlet or feed pipe13 ,and supporting lug 14 of the burner which is preferably of the construction specifically'set forth in 1 my co-pending application for gassto ves,
Serial'NoQ '551,283-,'fi1ed Oct. 29, 1921.111:
order to obtain maximum benefit of the heat from the burner the latter is preferably constructed asset forth in my above'mentioned 1 application so, that the flames therefromv will diverge upwardly and strike thelside Walls ofthefins 8 the latter being provided with beveled lower edges as indicated at; 15 inlFigure 3 so as to properly deflect th e;.
For economy in manufacture, one of the outer connectionsp lO is formed but ren dered inoperative verticallytapping the same and then inserting a screw plug, cen a r trally thereof as at 16 to form a partition between the inlet and outlet fins of the grid. The inlet fin communicates with a. relative ly long hollow enlargement 17 which is cast integral with the sleeve 7 externally of the latter and which is provided with an inlet opening at its lower end adapted in any suitable way for connection with the water supply pipe 18, and a similar but shorter hollow lug 19 is cast on the sleeve 17 in communication with the outlet fin. The lug 19 i's'disposed with its outlet port at a higherelevation than that of the lug 17 so that a proper circulation will be had by reason of the cold waterentering on a lower level than the level at which the hot water flows out of the outlet fin. An outlet pipe 20 is connected to the lug 19 in any desired manner but the connection for the pipes 18 and 20 is preferably a threaded one as illustrated in Figure 5.
In operation, thegrid is placed operative ly'above the burner 5 in the usual manner and the lugs 17 and 19 respectively connect ed with water supply and delivery pipes 18 and 20 as found most convenient, whereupon when the burner is lighted, the heatof the burner may be utilized for cooking purposes and will simultaneously instantaneously heat the water flowing through the serially connected heat radiating fins 8 for providing hot water.
From the foregoing description it will be seen that I have provided a commercially practical form of grid having a construction and appearance greatly similar to the characteristics of ordinary grids and which will lend itself to existing manufacturing meth ods with slight modifications.
While the form of the. invention herein shown and described is what is believed to be the preferred embodiment thereof, it is nevertheless to be understood that various forms, modifications and arrangements of the partsv maybe made without departing from the spirit and scope of the invention i as claimed.
What is claimed new is z 1. waterheatinggrid for gas stoves and the like embodying a grid plate with a cen I tral opening and inwardly projecting heat "radiating fins extending inwardly of said a partition between tw-o adjacent fins, and
means to respectively connect said two fins internally with water supply and delivery pipes.
2. A water heating grid for gas stoves and thelike embodying a grid plate with a centraljopeningand inwardly projecting heat radiating fins extending inwardly of said opening, tubular connectionsprovided alternately between the inner and outer ends of the fins forming a. continuous circulatory tortuous passage for water, means providing a partition between two adjacent fins, and means to respectively connect said two fins internally withwater supply and delivery pipes. said last named means involving external hollow lugs upon the grid with ports disposed at different elevations whereby the cold water enters at a lower level than the level of the outlet of the hot water.
3. A water heating grid for gas stoves and the like embodying a grid plate with a central opening and inwardly projecting heat radiating fins extending inwardly of said opening, tubular connections provided alternately between the inner and outer ends of the fins forming a continuous circulatory tortuous passage for water, means providing a partition between two adjacent fins, and means to respectively connect said two fins internally with water supply and delivery pipes, said partition providing means constituting a removable screw plug thread} ed into the grid to obstruct the passage of water through one of the tubular connections for the outer ends of the fins.
4. A water heating grid for gas stoves and the like embodying a grid plate with a central opening and inwardly projecting heat radiating fins extending inwardly of said opening, tubular conned tions provided alternately between the inner and outer ends of the fins forming a continuous circulatory tortuous passage for water, means providing a partition between twoadjacent fins, and means to respectively connect said two fins intern-ally with water supply and delivery pipes, said grid further em bodying a depending sleeve. portions of which constitute the outer walls of the tubujiar connections between the outer ends of the us. i
5. As an article of manufacture, a water heating grid for gas stoves or the like embodying a grid plate having inwardly projeetmg hollow heat radiating fins serially connectedalternately by hollow members at the inner and outer ends thereof for providing a continuous tortuous circulatory conduit for water, means to supply and deliver water to and from adjacent ones of a pair of such fins respectively, and means to prevent passage of the water from one of said two fins to the other. K
6. A water heating grid for gas stoves enibodying a grid plate with hollow inwardly projecting heat radiating fins internally serially connected alternately at the outer and inner ends thereof to rovide a tortuous conduit for water, adjacent two of such fins having means to respectively connect the same to water supply and delivery pipes at opposite sides of the adjacent outer connecting means therefor.
7. A water heating grid for gas stoves embodying a grid plate with hollow inwardly projecting heat radiating fins internally serially connected alternately at the Outer and 5 inner ends thereof to provide a tortuous conduit for water, adjacent two of such fins having means to respectively connect the same to water supply and delivery pipes r said fins having upwardly diverglng lower edges for deflection of upwardly diverging v10 flames directed thereagainst;
In testimony whereof I afiix my signature.
JAMES E. KENNEDY.
US55725722 1922-04-29 1922-04-29 Water-heating grid Expired - Lifetime US1457372A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2676585A (en) * 1950-02-04 1954-04-27 Pappas Peter Coffee-making apparatus
US20090191500A1 (en) * 2008-01-29 2009-07-30 Li Yan Weng Energy saving stove water heater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2676585A (en) * 1950-02-04 1954-04-27 Pappas Peter Coffee-making apparatus
US20090191500A1 (en) * 2008-01-29 2009-07-30 Li Yan Weng Energy saving stove water heater

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