US1426725A - Radiator for internal-combustion engines - Google Patents

Description

F. GARGUILO.

RADIATOREOR INTERNAL COMBUSTION ENGINES, APPLICATION rxLED1uNE'1s,1921.

Lf. Patented Aug. 2 v22.

2 SHEETS-S FREDERICK GARGULO, 0F NEW HAVEN, CONNECTICUQ- Specicaton of Letters Patent. Patented Aug. 22, 1922,

Application led .Tune 16, 1921. Serial No. 477,900.

To all whom t may concern.'

Be it known that l, Fnnonnron GARGUILO, a citizen of the United States, residing at New Haven, in the county of New Haven and Stateoi Connecticut, have invented a new and usetul improvement in Radiators iior lnternalllombustion Engines, and l do hereby declare the following, when taken in connection with the accompanying drawings and the characters of reference marked thereon, to be a full, clear, and exact description of the same, and which said dra-wings constitute part of this application, vand represent, in-

Fig. 1 a broken view in front elevation of a section of a radiator-structure embodying my invention.

Fig. 2 an edge view thereof.

Fig. 3 a vertical sectional view thereof on the line 3--3 of Figure 2. s

Fig. 4l a horizontal sectional view thereof on thefline 4-4 of Figure 1.` s

Fig. 5 a iront edge view of a portion of a stock-strip such as l use in the production of my improved radiator-structiu'e.

My invention relates lto an improvement in radiators for the cooling systems of internal combustion engines such as are employed for automobiles, air craft, etc., the object being to produce a` structure of superior stiffness and efliciency, having the external appearance, front and back, of a radiator of the so-called cellular type, but internally distinguished therefrom by having vertically intercommunicating air-passages, the walls ot which are inclined to commingle the air and deflect it upwardly and downwardly.

lith these ends in view, my invention consists in a radiator-unit having cellular air-inlet and airoutlet openings larger than and leading into and out oi' upwardly and downwardly inclined air-passages vertically intercommunicating throughout the length` of the unit.

My invention, further consists in a radiator-structurey having certain details of construction as will be hereinafter described and pointed out in the claims.

In carrying out my invention, as herein shown, l employ thin, sheet-metal stockstrips 6 having their edges correspondingly offset to Jform combined spacing-and-assem-- bling ilanges 7 which are oit'set to half the depth of the ultimate water-channels 8 of the completed structure, as shown in Figure 4,

the strip and extending through and including the oilset combined spacing-and-assembling-flanges 7 thereof, as clearly shown in Figure 2. The apices of the corrugations 9 are flattened as at 10 on the air-passage side of thestrip to the plane of the apices 11 of the corrugations of the flanges 7 on the same side of the strip, while the apices of the corrugations 9 onfthe water channel side of the strip, are flattened as at 12, below the level of the apices 13 of the corrugations of the flanges 7 on the `water-channel side of the strip, the flattened apices 10 being wider than the flattened apices 12.

Stock-strips formed as above vdescribed are transversely Jfolded midway of their lengths, as at 14 (Figure 3) and lock-seamed at their opposite ends, as at15 (Figure 3), to form the radiator-units- By folding each unit-strip as described, cellular air-inlet openings 16 are formedin the front edge ci the unit, while corresponding air-outlet openings 17 .are formed in the rear edge of the unit, these cellular openings giving the radiator-structure of my invention the external front and back appearance of true cellular radiator-structures. These openings 16 and 17 lead into and out of air-passages 18 (Figurefi) having upwardly and downwardly inclined walls and vertically intercommunicating from the top tothe bottom of the unit, the said openings being as much larger than the said passages as the flanges are offset from the planes of the stock-strips.A The broken air-passages are intermediate between the said openings 16 and 17 which open into and lead out of them. By folding the strip at 11i, as described, the opposed apices 11 of the flanges 7 are brought into contact, as shown in Figures 1 and 3, while, at the same time, the opposed flattened apices 10 of the corrugations of the strip are brought into localized line contact inidway the width or" the strip, as shown by the diamond-shaped outlines 19, appearing in Figures 2 and 4E, the peculiar diamondshaped form of the Contact 19 proceeding from the crossing of the apices 10 at angles determined by the inclined character of the corrugations of the strip. rlfhe radiatorunits so produced are nested in the usual manner for the production of the waterchannels S, which are continuous from the y top to the bottom of the structure, as well as from front to rear, the constriction-of these passages being avoided by the slight iattening of the apices l2 of the corrugations on the water-channel side of the strip. In order to nest such units, the alternate units must be formed from strips identical in every other respect but oppositely corrugated.

The radiator-structure thus produced is characterized by having the front and back appearance of an ordinary cellular radiator on account ofits cellular air-intake openings and cellular air-outlet openings, but internally all of the air-passages, with their upwardly and downwardly'inclined walls, due to the inclination of the corrugations of the strip, are 'vertically in'tercoinmunicating, so that all the pencils vof air entering the cellular air-inlet openings will be broken up and c'ommingled, insteadi'of passing directly from front to rear through the radiator'structure, as do theintegral air-pencils of the cellular radiator-structures of the prior art, whereby my improved structure is increased in efficiency, since all portions of the air are brought linto contact with the walls of the Waterchannels, which are continuous from the top tothe bottom of the structure, without substantial constriction. In other words, the

l pencils of air entering the cellular air-intake openings 16 completely loose their identity as pencils of air before'theairis discharged through the cellular air-outlet openings 1.7 at the back of the radiator-structure.

I claim:

1. A sheet-metal stoclcstrip for use in producing radiator-structures for internal combustion engines, the said stock-strip having its edges offset to produce combined lspacing-and-assembling flanges, and being transversely corrugated from edge to edge at an inclination to its longitudinal axis through the said flanges, and the apicesof the corrugations on the air-passage side of the strip being flattened to permit the apices of the corrugations of the flanges tol come into contact with each other when the strip is folded upon itself for the production of axis, and the apices of the corrugations on the air-passage side of the strip being attened to permit the apices of the flanges on the said side of the strip to make contact.

3. A radiatorstructure for internal combustion engines, consisting of a plurality of radiator-units, each consisting of a sheetmetal strip folded upon itself and having its edges formed with offsetting combined spacing-and-assembling flanges, and formed throughout its length with transverse corrugations extending from edge to edge and inclined to its longitudinal axis, and the apices of the corrugations on the air-passage side of the strip being flattened toy permit the apicesof the flanges on the same sides of the strip to make contact, the radiatoistructure thus produced having cellular air-inlet openings and cellularfairoutlet openings, and intermediate,lverticallyintercommunicating, upwardly and downwardly inclined -air-pas`sages,rand continuous water-channels.

In testimony whereof, I have signed this specification in the presence ofy two subscribing witnesses.

FREDERICK GARGUILO.

TWitnesses: i l

HELEN S. LANYON, (3i-ms, OPPE,

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