US1779165A - Water heater - Google Patents

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Publication number
US1779165A
US1779165A US227476A US22747627A US1779165A US 1779165 A US1779165 A US 1779165A US 227476 A US227476 A US 227476A US 22747627 A US22747627 A US 22747627A US 1779165 A US1779165 A US 1779165A
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Prior art keywords
pipe
boiler
water
chamber
hot
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US227476A
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William L Hallett
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William L Hallett
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H1/00Water heaters having heat generating means, e.g. boiler, flow- heater, water-storage heater
    • F24H1/18Water storage heaters
    • F24H1/186Water storage heaters using fluid fuel

Description

Octqzl, 1930.
w. L. HALLETT WATER HEAT ER Filed OC,. 20, 1927 Patented Oct. 21, 1930 UNITED STATI-:s
'WILLIAM L. HALLETT, OF ARLINGTON, MASSACHUSETTS WATER HEATER Application ledctober 20, 1927. Serial No. 227,476.
This invention relates to automatic storage gas systems for supplying hot water or domestic purposes, and hasparticular refe-rence to means for maintaining eiiiciency and cleanliness in the boiler and for enabling a mixture oi' hot and cold water to be readily obtained when desired. Heretofore in heaters of this character, so far as I am aware, the gradual accumulation of rust and sediment in 1o the boiler blankets the heating surface at the bottom of the boiler. Also in prior structures the escape of the heating gases is so rapid as to lose a great deal of its efficiency. I overcome these objections by a structure of the bottom portion of the boiler and connections for eiiecting automatic flushing. I overcome the latter objection by providing a structure which traps a large proportion of the heating gases in a space surrounding the l 2o upper portion of the boiler whereby the temperature ofthe water in the boiler is not reduced by radiation of heat therefrom into a space from which the gases can escape.
With the above mentioned objects in View my invention consists in the construction and combination of parts substantially as herein after described and claimed.
Of the accompanying drawings Figure 1 is a sectional elevation of my improved water heater in one of its forms.
Figure 2 is a partial sectional view of the same taken in a vertical plane through the flue for gases.
Figure 3 represents a section on line 3--3 0f Fig. 2. v
Similar reference characters indicate similar parts in all of the views.
The outer shell 1 2 and inner shell 13 of the casing of the heater, of any suitable metal, and with suitable insulating material 14 between them, and supported by legs 15, may be of any preferred shape and dimensions.
, The boiler or water chamber is spaced from the inner shell of the casing and comprises a wall 16 with a suitable top member, said boiler being supported by lugs 17. The bottom of the boiler is indicated at 18.
Secured in the bottom of the boiler is a chamber the top of which is indicated at 19,
a wall 20 and bottom 21,-said chamber being in a narrow vertical space to provide for said,
iiue. The upper end of the flue 27 communi,- cates by means of a liuc 28 in the top of the casing with the usual outlet 29.
A suitable gas burner 0f any well known or preferred structure is indicated at 30 being supplied by a gas pipev31 to which is connected a pilot burner 32. As the gas burner may be of any well known structure it is unnecessary to illustrate details thereof. The supply of gas, coming through a pipe 33 is controlled by any one of the well known thermostatic devices indicated as a whole at 34, the details of which do not require illustration. The usual tube projecting into the body of water in theboiler and containing part of the thermostatic` mechanism is indicated at 35.
The outlet pipe for hot water from the top of the boiler is indicated at 36 and the supply Y pipe for cold water is indicated at 37, the latter communicating by an elbow with a short pipe 38 through the heater casing and through the wall 20 of the inner chamber and close to the bottom wall 21.
Diametrically opposite the pipe 38 a pipe 39 extends out from the inner chamber and is provided with a suitable Valve for controlling escape of water through a suitable outlet 410 for use when the boiler is to be drained.
Connecting the hot. water pipe 36 and the cold water pipe 37 is a pipe 41. having a ther-V mostatically controllable valve 42, the ends of the pipe 41 extending into small chambers or couplings in the pipes 36-37 and having upwardly turned nozzles or nipples 43.
In operation the hot gases contact, of course7 with the bottom of theboiler and pass rising from the heater,
'i "l -f needed, enters tnr u 2 maa-ree up around the space between the inner Wall 13 of the casing and the Wall i6 oi the boiler but are not allowed to escape freely from the top of said space. That which must escape passes through the hole 26 and the dues Q7-28, but the hottest portions oit 'the products of combustion remain trapped in the upper portion of the space above the nele and such trapped products ot combustion are constantly replenished and lrept hot by the gases An important advantage in this structure is that when the gas burner 3G is not in operation, the having been shut oit' after any length ofI burning, the hot gases or products oi combustion remaining trapped in upper oit tlie space around the boiler prevents i t heat trom the boiler s l conseI 1y rei' s the water in the bei. ould be the of combustion or le -v cape. Duri.' goperaU of by the Water o inner chamber at bo t niperature products tne hot nutte-A piue being the natural process circui 1,. '1 u cor?L 23 y ipe i A chamoe sediment or o sesame, or
on the i@ @if course, the
however, iJ is desire f or other substanee from the bottom of' i ner chamber, tbe Valve pipe 39 so that coldv water tlush the bottom oi V,i inner chan-aber. @i course, the flushing operation jiust described is more effective the boiler is lirst practically emptied by means of the outlet pipe 39., il henever hot Water is drawn from 'the boiler the inflow of cold Water tends to sweep any deposit of sediment which is on the bottom 2l of the inner copper chamber such substances being carried along by the Water, or some of the substances, up through the pipe 22, the result being that the bottom of the inner chamber, and in tact the bottom of the boiler Where the heat from. the burning gas is most intense is kept practically clean.
The object ot' the by-pass structure including a pipe 4l and its nipples 43, or any equivalent thereot such as hereinafter mentioned, is to provide for a mixture of cold Water from the pipe 37 with the hot water passing from the 'boiler through the pipe 36. 1With the structure illustrated, it is obvious that 'when the valve 42 is opened more or less, and hot water is being drawn through the pipe 36, there will be a natural tendency for some cold Water to pass through the pipe 4i and mix with the hot Water being drawn through pipe 3f.
l' do not limit myself to the particular construction including the valved pipe il having the nipples i3 for eiiecting the temperature regulation described as other, such manually operated devices, may be employed for controlling the 'passage ot rater through the pipe The bypass Constr tion is 'for the purpose oi gainin l volume ot hot Water at the itauce ie use olf the larger boiler and. the entire beater construction. The boiler will be made to carry a very liigh tern- ,f Water when reduced at the l volume for use p e at each end, rections to taire r pipe and deliver 'ist Water pipe.
et. fin automatic store( Water heater having its boiler provided with a partition at its lovver enl forming with the bottom of the boiler an internal chamber, said partition being provided With passageways -igor permitting circulation ot Water through said chamber, connections being provided for flushing said chamber, the said connections tor flushing including a cold Water supply pipe so positioned that the discharge therefrom Will sweep across the bottom of said chamber.
5. rlhe combination With Water heater boiler having hot and cold Water pipes connected thereto, of a by-pass connection between said pipes, said by-pass having a nipple at each end, said nipples facing in directions to taire Water from the cold Water pipe and deliver it to the hot Water pipe, thermostatic means being provided :tor controlling said byepass connection.
lin testimony whereof l have atlixed my signature.
llllLLl-ilil L. HALL ll`T.
il il llO
US227476A 1927-10-20 1927-10-20 Water heater Expired - Lifetime US1779165A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2506336A (en) * 1946-01-24 1950-05-02 Bock Corp Heater
US2621901A (en) * 1948-09-29 1952-12-16 Wheeler Thomas Apparatus for heating and storing water
US2814279A (en) * 1944-07-11 1957-11-26 Wayland D Keith Dual water heating systems
US2881780A (en) * 1956-05-22 1959-04-14 Whirlpool Co Water inlet control system
US4685425A (en) * 1985-02-14 1987-08-11 A. O. Smith Corporation Submersible chamber water heater
US5183029A (en) * 1992-04-14 1993-02-02 Ranger Gary C Hot water supply system
US20090000573A1 (en) * 2007-06-26 2009-01-01 Mc Clellan W Thomas Water heater sediment drain system and method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2814279A (en) * 1944-07-11 1957-11-26 Wayland D Keith Dual water heating systems
US2506336A (en) * 1946-01-24 1950-05-02 Bock Corp Heater
US2621901A (en) * 1948-09-29 1952-12-16 Wheeler Thomas Apparatus for heating and storing water
US2881780A (en) * 1956-05-22 1959-04-14 Whirlpool Co Water inlet control system
US4685425A (en) * 1985-02-14 1987-08-11 A. O. Smith Corporation Submersible chamber water heater
US5183029A (en) * 1992-04-14 1993-02-02 Ranger Gary C Hot water supply system
US20090000573A1 (en) * 2007-06-26 2009-01-01 Mc Clellan W Thomas Water heater sediment drain system and method

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