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Publication numberUS1316199 A
Publication typeGrant
Publication dateSep 16, 1919
Filing dateMay 11, 1918
Publication numberUS 1316199 A, US 1316199A, US-A-1316199, US1316199 A, US1316199A
InventorsPhilmobb Iv Spebt
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Philmobb iv spebt
US 1316199 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)



Patented Sept. 16, 1919.

zzvvmozz: J Z SPERY, BY 7 Fla. A


Dltlt'tflllt FOIt MUTUllrVEJEHCLlEiL-i AND THE Lilith.

specification of ltcttcrs Patent. 7 Patented @nepit, llfi, ltllll'lll,

Application filed. May ii, iaia. serial no. acacia.

T 0 all whom it may concern.-

Be it known that l, 'PnrLMonn F. Srnnr, a citizen or the United States, and a resident of the city of Chicago, in the county oi Cook and State of llllinois, have inventedn.

-ertain new and useful Improvement in Radiators for MotonVehicles and the like; and l do hereby declare that the following description of my said invention, taken in connection with the accompanying sheet of drawings, forms a fulLclear, and exactspecification, which will enable others skilled in the art to which it appertains to make and Ell for cooling water in internal combustion engines, such'as are used in automobiles, motor ill trucks, traction engines, launches, aeroplanes, and the like, in which the cylinders are cooled by water contained in jackets surrounding the cylinders, and which water abstracts heat from the cylinders and is then conducted to a radiator, so-called, of cellular construction, in which metallic surfaces are exposed to currents of air passing through the cellular structure, and thereby absorb heat from the water, which water circulates between the engine and the cooler, and is constantly used over and over again.

Radiators of this nature are more or expensive to produce, bein usuall made of copper or brass owing to iigh e ciency in heat conducting, and any improvement which has a tendency to reduce the cost of manufacture of the radiator, in view oi. the large quantity or radiators constantly required, even to a slight extent, is a desideratum. I believe thatby the construction of my improved radiator, as hereinafter set forth, l have reduced the cost of production, simplified the methods of manufacturing, and produced an article of superior merit,

in the drawings forming a part of this specification, Figure l is a front elevation of a radiator embodying my improvements, no attention being given in this figure to details of construction. is a vertical transverse section on line 9-2 of Fig. l. lfig. 3 is an edge-view, and Fig. i a side eleof units assembled;


1 the same plane,

vation of a strip oi metal forming a part of the means which assist in the cooling effect of the radiator. Fig. 5 is an edge view, and Fig. 6 is a plan of one of the cross bars associated with the strips of metal shown in Figs. 3 and a. Fig. i is an elevation of a portion ot a unit comprising this radiator,

the figure being approximately full scale.

Fig. 8 is a sectional elevation on line 8-8 of Fig. 7. Fig. 9 is a front elevation of a series and Fig. 10 is a plan of the same. Fig. 11 is a sectional view of one of the units,'on line 11 of Fig. 7. Fig. 12 is a strip of metal forming a part of. the means which assist in the coolin eifectof the radiator, slightly modified. 1g. 18 is a sectional plan detail of construction; and Fig. 14 is a like view on an increased scale, illustrating the temporary means for securing the cross bar to the vertical strip forming the heat conductor. Fi 15 is a sectional view on line 11 of Fig. i, drawn on a slightly increased scale and showing the two members of a core unit before being locked together. Fig. '16 is a sectional detail showing the connection of til a cross bar to the modified form of the verti cal bar illustrated in. Fig. 12.

Like parts are designated by the same characters and symbols of reference in all the various figures.

This radiator comprises, Figs. 1 and 2, an outer casing, front and rear, and containing core B, and an upper water chamber lower water chamber D, the water from the engine. passing to the upper chamber through the water passages in to the lower chamber D, and thence back to the engine. lfhis core comprisesa series of units each of which consists of two, thin, metallic plates or strips E, Fa, which are alike in contour; are formed of lint strips of proper width and length having each a series of corrugations some distance from the longitudinal margins oi the strips across the same, thereby leaving these marginal edges fiat. as shown at13, the corrugations starting and ending some distance from the ends oi" the strip to aord fiat surfaces 14:, at these ends, the object of which will hereinafter appear. llhe apexes 15 of these corrugations are in but are somewhat above the plane of the flat surfaces 13, 1t, thereby forming longitudinal shoulders 16, so that when two of these strips are placed. lace to C, and Y the core B.

12, extending from ltlil llll'i contour have each face, as illustrated in Figs. 7, 10, and 15, and in other figures there is formed between the two strips a con uit 17, the ends of which when in assembled condition terminate in, and communicate with, the chambers C, D. These conduits are successively enlarged by the corrugations of the strips, and contractor constricted where meet, one of the objects of these corrugations being to increase the 'cooling area of the strips,'and to alford efl'ective means for positionln the cross bars of the heat conductor, as w' be later on described.

tween adjacent units of the cellular structure is placed means for assisting in the cooling effect of these units, which means comprise each a bar of metal 23, of proper width, which bar has slots at regular intervals, the slots 24, extending to one half of the width of said bar 23. A series, of cross bars J, of substantiall rectangular a slot media ly, extending to one half of the width of said cross bar. It has also at one end laterally extending ears or lugs 26, the distance from out to out over these rojections 26 being equal to the spaces 22, li etween adjacent units at their margins, and the portion 27 of said cross bar being equal to the distance between op-. posing units at the jointure 15 of the corrugations. These cross bars J are-then placed on the bars 23 with the slots in one engagingthe slots in the other element, which brings the opposing margins of the bars flush with the longitudinal margins of the bars 23, as clearly shown in Figs. 13 and 14. The strips E. Ea, forming a unit are not of the same width, the strip E being narrower than the strip Ea, a condition clearly illustrated in Fig. 15. The wider strip has its longitudinal margins bent at right angles, as at 18, to receive the narrower strip E face to face, after which the" upstanding ledge 18 is turned down upon the flange 19 of the member E and forced into clOSe C011- the tact therewith, thereby securely looking a, at their longitu inal two members E, E marginal edges.

Two metallic plates G, H, in properly spaced relationship, are provided with slotted apertures 20, the numb responds to the number of each'one of these slots receiving a unit, the ends of theunits extendin planes of the H the left of Flg 9, and are bent over the plates as shown at 21, thus securely uniting the parts,said plates G, H, resting upon the uppermost and the lowermost corrugations to prevent displacement thereof.

' r the units have been secured to the plates G, H, the heat conductors I are pushed into the spaces 22 between adjacent units, where the lateral lugs26 strike the longitudinal shoulders 16, of the members E, Ea,

-now assembled core is the corrugations,

the core can be handled er of which cor-- as indicated at and'the marginal edges 27 enter the V-shaped crotch between adjacent corrugations, and thereby locate these conductors with their outer edges flush with the longiudinal edges of the unit members. In this condition, a ready for the acid dipping bath, and then into a bath of molten solder, which so thoroughly unites the parts as to make a homogeneous structure of the same ready for bein placed into, and soldered to the casing In order to prevent displacement of the cross bars J in handlingbefore, and while being inserted into the core, I place the bars 23 and the cross bars J into a suitable chuck, and then clench the ends of the cross bars adjacent the slots therein u on the strips 23, as'illustrated on a magnified scale in Fig. 14, which sufliciently holds them together until they are finall permanently united by the solder in the so der dipping bath.

It may now be noted that by locking the marginal seams of the units in the manner set forth, these seams and joints are so perfectly closed that scarcely any solder can enter the same, and that the elements 23 and J fit so closely between the units as to require only a trifle of solder to complete the union, so that there is less solder employed in the construction of this radiator core than there is required in any other radiator of the same capacity with which I am acquainted, it being a fact that there is in this radiaup at least 2 lbs. less solder than in others 0 t right angular, that is to say, the bars 23 are vertically, and the cross bars horizontally disposed, so that there can be no compression or displacement of the parts when the structure is placed into a clamp so that for dipping. This clamp is on the .plan of a frame similar to a printers chase, and has movable means pressing on the sides of the core for holding therein when the core is lifted out of the bath of molten solder.

n forming the corrugations in the strips E, Ea, a shortening of the strips takes place which reduces the length thereof, and necesgins to cause them to correspond to the he strip after having been eorru- In order to assist in the flowing of the metal at these margins, the corruga- 23, J, are rectilinear and antenna tions are gradually flattened at their ends t il till

greater the cated in. dotted lines in as illustrated at 30, so as to merge into'the shoulders 16. This construction is performed in suitable rolls and dies and accomplishes the object without straining or rupturing the metal.

it will also be noted that the cross bars J engage the ll-shaped portions of adjacent corrugations, thereby properly spacing the cross bars and causing them to retain their proper position until they are finally integrally united to the bars 23 and the strips E,

Ea, in the solder bath. While primarily the bars 23 and cross bars J are employed to prevent distortion of the core when being clamped into the holding frame for dipping, they serve the additional and very essential object of increasing the cooling effect of the air passing through the spaces 22 between the units by the heat conductivity of the metal of the bars and cross bars, which cooling effect is transmitted to the members E, Ea, of the core E.

.lhe spaces between adjacent and connected strips E, Ea, afford vertical water passages communicating with the water spaces C, l), in the casing A, while the spaces 22 between adjacent units form horizontal air passages through which air is brought in contact with the metallic surfaces of the radiator units to abstract heat from the water passing through these water passages; and the area of these metallic surfaces within a given space, the more eflicient the action of the cooling media will be. This increase of area is edected by corrugating the strips E, Ea, as described, while atthe same time the crotches between the corrugations adord effective means for locating and securely retaining the cross bars ill in position.

in Fig. 12 l[ have illustrated a modified form, 23, of the bar 23, forming the vertical member of the cooling element ll. This strip or bar 23 is of but one half the width of the bar 23, and instead of being slotted as at 24-, its marginal edges are itnotched, as at 246, the cross bars d being applied to these bars 23, the same as heretofore described. llt is notched at its two longitudinal edges to render the same reversible, that is to say, that the cross bars may be applied to either edge, vwhich facilitates assembling. and that while the notches on one edge receive the cross bars,-the notches "at the other edge serve to clench thecross bars to the vertical bars at these notches. And it is to be noted that tion there is less metal used in the bars 23 than there is in the bars 23, which results in a slight saving in cost without noticeably afi'ecting the efficiency of the device. These cooling elements are placed between the cell units at the outer margins thereof as indi- Eig. l0, and may i to, by contactin ins of these parts are alined, a matter which will be readily understood, by persons skilled in the'art to which this invention appertains.

l have hereinbefore employed the terms heat-conductor and .filler interchange ably to designate the metallic structures placed into the spaces between adjacent units which serve to assist the walls of these.

units being cooled, or in other words, to add with these walls, the metalhc surfaces a ected by the air passing through these spaces,

While it have hereinbefore described with considerable minuteness the preferred embodiment of my invention, ll desire it to be understood that l am aware that changes in the details of construction may be made, and parts omitted without departing from the scope of my invention as defined in the appended claims.

Having thus fully described this invention, ll claim as new, and desire to secure to myself by Letters Patent of the United @tateal. A radiator of the nature described, comprising a multiplicity unit being constructed of two plates, said plates havin flat ends and hat lo 'tudinal margins, sai margins having shoul ers, and a series of transverse corrugations intermediate said ends, the transverse terminals of said corrugations being I gradually flattened to merge into the shoulders aforesaid, said plates being placed longitudinal edges of one plate overlapping the longitudinal edges of the other plate toafford permanent loclri means, and means of like units, each till tlti

lldli face to face, the

lltll for permanently unitingsaidunits' in spaced a eoreunit, said core unit comprising two in this modified construcplates, one of said plates having flat longitudinal margins, the other plate having lilre flat margins the edges of which are bent at right angles, there being longitudinal shoulders adjacent the longitudinal margins of said plates, there being between said longi tudinal margins transverse corru 'ations, said corrugations being pronouncedy flatsaid plates having tit ltd

tened at their ends and merging into said upon the vertical bar, the whole being shoulders, said plates being placed face to permanently united by being dipped into a face, the right angled bends at the longitudibath of molten solder. 30 nal margins of one plate being bent over 4. A radiator of the nature described, inand clenched upon the flat margins of the cluding a cellular core, said core comprising other plate to afford locking seams, said a series of vertical, parallel-spaced units,

plates being permanently united at their each unit including two plates, each plate longitudinal margins by being dipped into having flat side and end portions, a shoulder 35 a' bath of molten solder. in each plate adjacent the longitudinal mar- 3. In a radiator-of the nature described, gins thereof, a series of transverse corrugathaving spaced apart vertically disposed tions, said corrugations being approxin'iately water tubes, a filler between adjacent Water semi circular and adjoining one another to tubes, said filler consisting of a; vertically aflord substantially V-shaped erotches he- 40 disposed strip of metal, said strip having in tween them, said corrugations being flattened one of its longitudinal edges a series of at their ends and merging into the shoulders equally spaced notches extending approxiaforesaid, and filler {bars between adjacent mately midway across said bar, and a series units, said filler bars including each a vertiof cross-bars, each cross-bar being a metallic cally disposed bar, a series of cross-bars se- 45 plate of a Width corresponding to the spaccured to said vertical bar medially of their ing apart of the Water tubes, and a length length, the ends of said cross-bars engaging equal to the Width of the vertical bar, said the crotches between the corrugations of plate having a portion of its length reduced opposing units. to afford shoulders, there being in said plates In testimony that I claim the foregoing 5o notches equal in depth to the notches in the as my invention, I have hereunto set my vertical bar, a cross-bar being inserted into hand. every notch in the vertical bar, the edges of the notches in the cross-bars being clenched PHILMORE F. SPERY.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US3021804 *Feb 18, 1955Feb 20, 1962Modine Mfg CoMethod of fabricating heat exchangers
US5186250 *Apr 29, 1991Feb 16, 1993Showa Aluminum Kabushiki KaishaTube for heat exchangers and a method for manufacturing the tube
US5441105 *Nov 18, 1993Aug 15, 1995Wynn's Climate Systems, Inc.Folded parallel flow condenser tube
US6209202Aug 2, 1999Apr 3, 2001Visteon Global Technologies, Inc.Folded tube for a heat exchanger and method of making same
US20090158772 *Oct 17, 2006Jun 25, 2009Toru KawamataEvaporator
U.S. Classification165/152, 165/DIG.500
Cooperative ClassificationF28F1/128, Y10S165/50