US2058935A - Radiator - Google Patents

Description

Oct. 27, 1936. I F YOUNG 2,058,935

RADIATOR Fild Sept. 7, 1935 Patented Oct. 27, 1936 RADIATOR Fred. M. Young, Racine Wis., assignor to Young Radiator Company, Racine, Wis.

Application September 7, 1935,. Serial No. 39,611

3 Claims. (01. 257-125) g This inventionrelates to improvements in heat transfer devices commonly called radiators and moreparticularly the type used for cooling large internal combustion engines, wherein the radiator is mountedi 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.

Theusual vibration in radiators of this type is; serious, in that the tubes are made of thin copper andtherefor are fragile and sensitive to vibration which sooner or later results in leaky joints where the tube ends are attached to the header: plates.

7 In large radiators there is considerable weight in the: core and. the core is of considerable length. The centerportionzof the core oscillates sidewise. Thisoscillation isfrequently quite noticeable and serious. 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.

objectof invention is to provide simple and inexpensive means whereby the center of the. core i'sheld! against a sidewise bending or oscillating movement. I accomplish these objects by means of a novel transverse anchor whereby the core about midway the headers, is secured to the side housing posts.

The preferred embodiment of my invention is illustrated in the accompanying drawing in which:

Figure 1 is a rear elevation of a radiator equipped with one form of my invention, a portion of the housing being cut away to clearly illustrate the manner of removably and adjustably securing the anchoring means to the housing.

Figure 2 is a fractional section taken on line 22 of Figure 1.

Figure 3 is a fractional section taken on line 3-3 of Figure 1.

Figure 4 is a fractional view of a modification.

Figure 5 is a fractional section of a modification, very similar to the device shown in Figure 1, except in the manner of attaching the anchoring members.

As thus illustrated numeral i5 designates the upper header plate of the radiator core and i6 designates the lower header plate. A plurality of vertical tubes H are suitably positioned in parallel relation and the ends bonded or otherwise made fast into corresponding openings in the plates l5 and IS.

The upper header cap i8 is made fast to upper header plate l5 by means of a gasket and suitable bolts or otherwise attached. In Figure 1, I illustrate my preferred design wherein the header or tube plate I5 is very thin and is held to the flange of header cap I8 by means of the ends of 5 housing members 19 and suitable bolts and center plates, and the lower header cap 20 is similarly made fast to the lower tube plate It. 'In the design shown, housing members I9 form a protection for the core sides and have sufiicient rigidity to answer as ananchor for the upper header and for the core center as will hereinafter appear.

Header cap it is supplied with the usual filler cap nipple 26 and a coolant inlet opening 21. The lower header cap 20 is preferably provided with coolant outlet openings 28- 28. Thus when the proper connections are made, the coolant may pass into the header cap l8, down through tubes l-l, into header cap 20 and out through openings 28. g

In order to increase the radiating capacityof the device, closely spaced fins 29 are provided. These fins are provided with flanged openings (not shown) through which the tubes extend and are bonded thereto in the usual manner.

Thus it will be seen that I have shown a conventional radiator the tubes of which are preferably fiattened in cross section.

If the core is supported from the lower header only, the top header, unless suitably held, may os- 30 cillate sidewise to a considerable extent and cause loose joints or fractured tubes. When the upper header is held sufiiciently rigid by the housing to prevent side movement, as illustrated in Figure 1, the core itself at its center, may be caused to vibrate sidewise and cause trouble at either end of the tubes. I provide novel means therefore, to prevent all side movement or vibration in the following manner:

Short U shaped rods 30 are positioned between certain fins, preferably two or more in front and two or more in the rear of the tubes II, the ends passing through openings in end plates 3| which are laid on the ends of the fins. The ends of members 30 are flanged over in counter-sunk openings and made fast by bonding or welding, after which these members are also bonded to adjacent fins for their length.

Thus this assembly will be firmly held to adjacent fins. The end plates 3| are. preferably provided with bolts 32 which protrude through openings in the side walls of the housing, as indicated in Figure 1. After this assembly is completed acorn nuts 3333 are placed on the bolts, 32 and tightened. Thus the core is anchored and held from vibrating by the relatively rigid and strong housing. Rods 30 may be positioned on one side only of the cores and any number or combination used and otherwise anchored to housing members I9.

In Figure 4 I illustrate a modification wherein preferably u shaped fillers 40 are positioned on opposite sides of the core and between the ends of certain fins as illustrated. U shaped plates 4| are provided, the ends fitting snugly between certain fins and the inner surfaces lying on the ends of the fins and fillers 49. This entire assembly is then bonded together, providing substantial surfaces on opposite sides of the core preferably midway the headers.

I provide preferably adjusting bolts 42, having lock nuts 43, which register with the center of plates 4|, whereby after the assembling of the radiator has been completed, bolts 42 may be made to press lightly against the plates 4| and thereby anchor the core in its normal position.

In Figure 5 I illustrate a modification of the device shown in Figures 1, 2, and 3 wherein the U shaped bars 45 are placed over the edges of the fins instead of between the fins. In this design openings 46 are provided at closely spaced intervals in order to facilitate the bonding operation.

In radiators as shown the housing is, as already stated, rigid enough to hold the upper header from vibrating or oscillating sidewise. The principal desideratum is therefore, to provide a housing sufficiently rigid to prevent side motion of the upper header relative to the lower header, and then bind the center portion of the core. to the housing structure in a manner which will effectively hold the center portion of the core from side oscillation.

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

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

1. A radiator of the class described, comprising upper and lower headers, side housing members rigidly connecting the ends of said headers together forming a frame, a number of tubes having operating connections between said headers, a multiplicity of closely spaced fins through which said tubes extend forming a core, plates positioned on opposite sides of said core, midway said headers, having flanged edges which extend between certain fins and rest on the end tubes, and adjustable means on said housing members contacting said plates to thereby anchor said core therebetween.

2. A core anchoring device of the class described, in combination with upper and lower headers, side housingmembers rigidly connecting the adjacent ends of said headers forming a frame, a number of tubes having operating connections between said headers, a multiplicity of closely spaced fins through which said tubes extend forming a core, said anchoring device comprising reinforcing members attached to opposite sides of said core midway said headers, and adjusting means on said housing members adapted to be moved in pressure contact with said reinforcing members whereby said core may be anchored in its normal position therebetween after the assembly of said frame and core is completed.

3. A core anchoring device of the class described, in combination with upper and lower headers, side housing members rigidly connecting the adjacent ends of said headers forming a frame, a number of tubes having operating connections between said headers, a multiplicity of closely spaced fins through which said tubes extend f orming a core, said anchoring device comprising reinforcing members attached to opposite sides of said core midway said headers and adjustable anchoring means on said housing members registering with said reinforcing members whereby after said core and frame have been assembled, said adjustable means may be moved into contact with said reinforcing members whereby said core may be adjustably contacted and held in its normal position.

FRED M. YOUNG.

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