US2024496A - Radiator - Google Patents

Description

E7, 1935 F. M. YOUNG 2,024,495

RADIATOR originalfFi-led oct. 23', 1933 Invenror Patented Dec. 17, 1935 l ArENr OFFICE RADIATOR Fred M. Young, Racine, Wis., assignor to Young Radiator Company, Racine, Wis.

Original application October 23, 1933, Serial No. 694,753. Divided and this application July 19,

1934, Serial No. 735,998

3 Claims. I (Cl. 257-125) This application is a divisional of application filed October 23, 1933, Serial No. 694,753 now Patent No. 1,998,112 issuedApril 16, 1935. It is therefore the intention that the present patent shall cover by suitable expression in the ap'- pended claims, features of patentable novelty other than claimed in the above stated copending application.

The invention relates to improvements in heat 'transfer devices, commonly called radiators and more particularly the type .used for cooling large internal combustion engines, wherein the radiator is mounted on the engine supporting frame, or for use on rail cars, busses, trucks and the like. In either event the radiator is subjected to considerable vibration. Y

The usual vibration in radiators of this type is serious, in that the tubes are made of thin copper and therefore are fragile and sensitive to vibration, which sooner or later results in leaky joints where the tube ends are attached to the header plate or fractures develope in the tubes, near their connection to the header plate.

In large radiators there is considerable weight in the core and the core is of considerable length. The center portion of the core oscillates sidewise. This oscillation is frequently quite noticeable and serious. There is also serious vibration at the top of the radiator when the housing is not rigid enough toI prevent it.

The tubes do not greatly resist this side motion because they are usually flattened and positioned with the long section in a transverse direction to the direction of vibration.

The object of my invention is to' provide simple and inexpensive means whereby the core p-articularly midway the headers is held against asidewise bending movement. I accomplish these objects by means of suitably positioned reenforcing wires in a manner which will hereinafter appear.

'I'he preferred embodiment of my invention is illustrated in the accompanying drawing 'ln which:

Figure 1 is a rear plan view of a radiator core, equipped with one form of my invention.

Figure 2 is a fractional transverse plan view of the radiator shown in Figure 1.

Figure 3 is an enlarged fractional View of the reenforcing wires, two being shown in section, illustrating how they are formed at their interseating points.

Figure 4 is an enlarged fractional view illustrating how the wires fit into the edge of the ns.

As thus illustrated in the Various figures, I0 designates the upper header plate of a radiator core, and II designates thelower header plate. A pluralityLof vertical tubes I2 are suitably positioned in parallel relation and the ends bonded 5 ilito corresponding openings in the plates Ill and The upper header cap I3, is made fast to upper header plate I0 by means of a gasket and suitable bolts or otherwise attached, and the lower header l0 cap I i is similarly made fast to the lower tube plate II. Header cap I3 is supplied with the usual filler cap nipple I5 and a coolant circulating connection opening I6. The lower cap I4 is provided with coolant outlet openings Il. l5 Thus when the proper connections are made the coolant may pass into the cap I3, down through tubes I2, into cap I4 and out through opening I'I.

In order to increasethe radiating capacity of the device, closely spaced fins I8 are provided. 2o These iins are provided with flanged openings, (not shown), through which the tubes extend and are bonded in the usual manner thereto.

Thus it will be seen that I have shown a conventional radiator, the tubes of which are preferably flattened.

If the core is supported from the lower headerv only, the top may oscillate sidewise to a considerable extent and cause loose joints or fractured tubes, and when the upper header is` held suiii- A ciently rigid by the housing to prevent side movement, the core itself at its center may be caused to vibrate sidewise and cause trouble at either end oi the tubes. I provide novel means, therefore, to prevent all side movement or vibration in the following manner:

I provide anchor Wires 20-20 .and 2I-2I which are positioned diagonally across the rear face of the core as indicated in Figure 1. These wires are preferably oppositely offset at their in- Li0 tersections as indicated in Figure 3. These'offsets, or indentations, are equal to one-half the diameter of the wire, thus the wires will lie in the same plane. I show two pair of wires which extend from opposite corners oi the core. In small units, a single wire, in each direction, may be all that is necessary, while in large units two or more wires are necessary. All of the wires may be in parallel relation and positioned diagonally in either direction.

I provide indentations in theY edge of the fins, see Figure Il, thus to form channels into which the wires lie. These channels may be formed previous to this assembling operation or the 1ndentations may be made by hammer blows on 55 the wires. In either event the edge of the fin will be folded and formed to thereby partly enclose the wire.

After the wires are in position in their channels they are made fast to the ldentations in the fins by suitable bonding. Thus there is a multiplicity of attachments made to the ns to thereby form a strong reenforcement for the core.

Attention is called to the fact that each individual n is, as illustrated in Figure 1, attached to wires in four places and since each n is bonded to each individual tube, the entire mass is made very strong without adding much to the Weightand cost of the core.

Thus it will be seen that I have provided novel means for anchoring the core to thereby prevent harmful distortion and vibrations.

Having thus shown and described my invention what I claim is:

v1. A radiator core, comprising a plurality of tubes in parallel relation, a multiplicity of closely spaced ns through which said tubes extend and are bonded thereto, one or more wires extending diagonally across said core and positioned in indentations in said ns and being bonded therein. 2. A radiator core comprising a plurality of tubes in parallel relation, a multiplicity of closely ,same plane, grooves in said tins into which said wires are positioned and being bonded therein.

3. A radiator of the class, comprising a number of tubes in parallel relation, a multiplicity of closely spaced ns through which said tubes extend, forming a core, headers into which the ends of said tubes are suitably attached whereby a liquid or gas may pass from one header to the other through said tubes, a number of wires positioned diagonally, in indentations, across the edges of said fins and bonded therein, said wires having contact with said iin edges only to thereby yieldingly prevent excessive transverse vibration of said core at its center.

` FRED M. YOUNG.

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