US1711090A - Fireplace - Google Patents

Description

April 30, 1929. s. A. FORD ET AL FIREP'LAGE Filed Sept. 17, 1927 Patented Apr. 30, 1929.

UNITED STATES N 1,111,090 PATENTpoFFlce,

SAMUEL A. rom) Ann RICHARD WALDIE, on OAKLAND, cALuonNIA.

FIREPLACE.

Applcatonled September 17,` 1927. Serial No. 220,220. p

Our invention relates to improvements in .y

iireplaces and it consists in the combinations, constructions and arrangements hereinafter described and claimed. y

An object of our invention is to provide a fireplace which has means for dei'leetingl practically all of the heat back into the rooin instead el permitting this heat `to pass up through the flue.

A l'urther object of our invention is to provide a device of the type described Which positions the Well for the tire down belovv the surface forming a part ot the fireplace and which makes use of conduits tor conveying air to the Well, this air bein@r controlled for determining the rapidity with which the lire burns. It should further be noted that the conduits are preferably made from flexible material so that they can be shaped in any desired way and then have concret-e or tiling placed thereon which forms the floor of the iireplace.

A further object of our invention is to provide a device of the type described which makes use of a trap-door for permitting ashes to be dumped from the well 1when desired.

Other objects and advantages -Will appear in the following speciiication, and the novel features of our invention will be particularly pointed out in the appended claim.

Our invention illustrated in the accompanyina` drawing forming a part oli this application, in which:

F ligure l is a :lront elevation ol the device a portion thereof being shown in section.

Figure 2 is a section along); the line of F' 1re l. i

Y hre 3 is a section along the line 3-1l oli Figu'ire l. Y

l* injure il is af l Figure 5 is a olf Figure 4l, t. id

`Figure t3- is a plan view oiE a dal'nper used in connection with the iireplace.

ln ea no; out our invention We provide a lireplace which has a well l, a combustion compartment Q, a flue 3, and a hearth d. Itehould be noted from Figure 3 that the Well l is spaced below the level ot the hearth l a suilicient distance to preventair from the roo-ui 'from passingl beneath areinovable grate 5 unless the operator so desires. The Well l has a shoulder 6 upon which the grate 5 is mounted and Figure 2 shows hovv the grate is provided With slots for permitting passage ci air theretln'ough.

op plan vieiv oi a trap-door; section along the line 5 5 `Since the `materialto beiburned when placed in the Well 1 and uponthe grate is disposed below the level ofthe hearth 4, no

air can get to the material inorder toifurnish the necessary amount of oxygen 'orthe burning of the material unless this air is conveyed y n to the Well at a pointbeloiv the grate 5. T his is one et' the distinguishingfeatures between the present l'ireplace and the usual fireplace found in the standard home. l i

The means ior conveyingr air'to the Well consists in the present instance of a pair of conduits 1y see Figures 1 and 2, that are disposed beneath the ioorof the hearth and are preferably constructed of flexible material so that they may be bent in the manner shownn'Figure 2Q The conduits terminate at points along the sides of the hearth 14 and open into the Well l at a pointbelow the i Dainpers 8 are disposed at the inlet end ot the conduits 7 "and are` ot'the shape shownin Figure G. The damper is of standard construction and consists of two sliding plates each having a plurality of openings therein,

these openings beingfbrought into registra tion with each other or moved out of regis-i.

tration at the will of the operator.

Se long as the dempers 8 are left open,` air will be furnished to "the material being burnt in the lireplace and this inaterialwill burn rapidly or slowly depending uponithe quantity ofi air frirnished.

The tiri-iplace is preferably made of lireclay which is shaped in the mannershown in Figuros lip-.3 and l. Thelirephure proper consists oi two parts, one parthousingr the well and the other part. 'forming the wall for the coinbuslion comparti-nient 2. A cross-section of the conipartnient Q shows that it is U-sha|ied and with an open 'liront and a back see Figure 2. The walls l0 ot' the compartment 2 up tothe point oi a shoulder l lare corrugated as at l2, see Figures Qand. From the shoulder shown and upwardly the rear wall is inclined as at ll and the angle oli' this wall is of such a degree as to be on a line with a top 14 of the openingr into the fireplace. Thisis a vital part of the invention since it is the angle at which this Wall extends which directs the ,area ter portion of the heat back into the room instead ofpermitting the heat to pass up through the flue 3. i

It should be noted from Figure 3 that the Wall 13 takes a sharp bend in a direction away from the front of the fireplace after the wall Y has come ivithinfa close distance from the front oi' the iire'place. rl`his divergingof the wall as at l5 permits smoke to pass through the space 16 andnp into theiiue 3 instead ot' back into the room. Very little smoke however is formed due to the special construction of the iireplace and the reason for this will he apparent as the specificationproceeds AThe little smoke that is formed, however, being lighter than the heavier heated air will pass through the vline From the foregoing description ot the various parts ol' the device, the operation thereoi maybe readily understood.

Another decided ad 7autage of causing all ot the air feeding the tire to pass through conduits?` disposed beneath the hearth fl is that this air is preheated before it reaches the iire and by actual eiperience it has been found thatthis preheated air materially aids in combining with the smoke to torni a co1nbustible materialWhie-h will burn up the smoke. This ireplacein actual operation ivillhave clean walls instead of the usual sooty Walls.

The burning of a minimum amount et' fuel is accomplished by disposing of the well l beneath the surface of thehearth. Practically all of the heatt'rom the ireplace Will be detl cted bach into the room due to the angle of the Wall portion 13. It is these advantages that have given the ireplace a tremendous advance over the standard fireplace.

"At the bottom of the Well l We mount a trapdoor 17 of the shape shown in Figures 4 it is desired to drop the ash through a chute Qu, (see Figure 3). 'lhis ash is extremely line and powdered regardless ol the material burnt because the arrangement of the di'iierent parts ot the fireplace are such to accomplish a practically complete exidat tion et the-material, it weight 2 sivin the door i7 haelt into closed position as soon as the door is released.

Although we have shown and described one elnhmlinient oi our invent-ion, it iste he understood that the same is susceptible of varions changes and we reserve the right to einw ploy such changes as may come within the scope of the appended claim, Y

l/Ve claim:

A iireplace comprising a hearth raised a slight distance there a iioor7 a Well depressed below the level o'i' the hearth, air ducts communicating With said Well having their bottom uails lying in the plane ot the floor, a combustion space disposed ahovc the Well, the rear wail of the fireplace being inclined ttor di ree-ting heat into the room, and a grate disposed in said Well being ot the same area as that of the Well.

SAMUEL A. FORD. RICHARD WALDIE,

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