US1608599A - Radiator - Google Patents

Description

Nov. 30 1926.

A. S. HENRICH A RADIATOR Filed April 29, 1924 Patented Nov. 30, 1926. Y

UNITED STATES ALBERT S. HEINRICH, 0F FREEPORT, NEW YORK.

RADIATOR.

Application tiled April 29, 1924. Serial No. 709,724.

This invention relates to heat exchange apparatus and more particularly to radiators for use with 'internal combustion en` gines. More `specifically the invention relates to that type of radiator applicable for use on aircraft, when the exposed radiating surface must be presented in the most etli-I cient and durable manner.

One object of this invention is to provide a radiator which will present a great exposed surface for a given size and weight.

Another object is to provide a radiator that is suitable for use on combative aircraft and which can withstand considerable mutilation by gunfire without being made inoperative.

Another object is to provide a radiator whose cooling surface is made up in such a manner that emergency repairs, as well vas service repairs, can be made with ease.

Another object is to provide a radiator adapted for use with the apparatus described and claimed in my copending application for U. S. patent, Serial No. 600,578, filed N0 vember 13, 1922.

Further objects will appear from the following description taken in connection with 'the accompanying drawings illustrating thev preferred embodiment of the invention.

Referring tothe drawings illustrating, by way of example, the preferred embodiment of the invention:

Fig.l 1 shows an end view of the radiator with a portion shown in section.

Fig. 2 is a view showing a front elevation of the radiator with parts broken away to disclose the structure.

Fig. 3 isf a section through one iin taken on line 3--3 of Fig. land shows the air vent.

Fig. 4 is-a perspective showing an endl numerals denote like parts inthe various views: A radiator shell 1 of aerofoil form is provided at each-end with Huid or header tanks 2 and 3. In the embodiment shown tank 2 is adjacent the leading edge and tank 3 adjacent thetrailing edge. Strengthening .ribs 4 of aerofoil shape are provided with flanges as at 5 which are riveted or otherwise suitably connected to the shell 1 as at v6, and serve to stiten the shell and also to provide supporting tubes 7; thereby adapting the radiator for use in connection with my invention as disclosed in the copending application referred to above. All of which will be well understood by those skilled in the art after understanding the present invention and that referred to above. Fin-like members 8 and 8 are attached to the front and rear tanks respectively, by means of flanges 9 and 9', and form in eitect a. part of said respective tanks being in communi cation therewith through the open bottom 10 and cooperating holes inthe tanks. One of these members is attached to the rear tank and one to the front tank with their opened ends 11 facing each other. A plurality of tubes 12 are superimposed to form a fin 13 which then consists of a plurality of individual passages 14 adapted to carry the cool ing tluid such for example as water. These tubes are inserted at their respective ends in the end openings 11 of the members 8 and 8 and are fastened therein by solder or other means suitable to form iluid tight joints.

Additional attaching means such as clips or straps 15 and 15 may be employed to attach the fins 13 to the shell 1 at a point,

or points, between the members 8 and 8.

The tubes may be soldered together, or held in intimate contact only by such means as the clips 15 and 15 and the tank portions such for example as the parts 8-8. These tins may be arranged all von one side of the shell or on both sides as shown; and in either case form a most etlicient'radiating surface. In order that the radiator mav be vented properly, holes 16 are drilled through the tubes of the upper fins, Fig. 3, at substantially their uppermost point, or point farthest away from the longitudinal center line of the radiator, These vent holes are in communication one with the other and in communication with the atmospherethrough any suitable means such for example as vent tubes 17 which are in communication with the-outer or uppermost tubes and are held thereagainstv by the clip 15. lTfhese vent tubes 17 pass along the top of the respective fins and down over the respective members 8 where they may be connected with a common passage 1'8 in communication with the other tins. A pet-cock (not shown) may be inserted in passage 18 to open the same and allow the air to pass out while the radiator is being filled, as is well understood 1n the art. Similarly the tins in the lower side have vent holes through the tubes at a point under clip 15 the clip 15( closing the noie in the outer wall of the outer tube; and the inner tube 19 venting the lower tubes and allowing the air to. pass into the header tanks. These vent holes described in connection with the upper and lower fins respectively are all that is .needed when the radiator is used in a position similar to that shown i. e. the radiator in general lying in a horizontal direction with the fins projecting in substantially vertical planes. However the radiator is equally well adapted to extend in a general vertical direction with the fins in substantially horizontal planes.

In the latter case, or in intermediate position, it may be desirable to provide the tins on the lower side, relative to 1 with vent tubes similar to 17 and in such a manner that no air pockets will be formed when the radiator is filled.

AIt is to be understood that whenever upper and lower are used throughout the specification and claims these terms are relative only and` refer to the relative position as shown in the drawings. It is obvious that the radiator -may be used in any position, either horizontally, vertically or in intermediate positions; all of which will be Well understood by those skilled in the art.

Where the radiator is mounted for use in connection with apparatus similar to that described and claimed in my copending U. S. application Serial No. 600,574, referred to above, the tubes 7 provide a means of support. When the radiator is to be mounted otherwise, any suitable supporting or attaching members such as brackets or fittings 20 may be attached to the structural part of the radiator. A fairing piece 21 .of streamline form may be added to the trailing edge of the radiator proper, to decrease the air resistance as the radiator is moved through the air.

A radiator of this type is highly eiiicientv and durable. A large amount of cooling surface or radiation surface can be presented in a small space. ln the case of combative aircraft it is most desirable, as projectiles will `only damage a very small unit of the radiating surface. For service upkeep it presents many advantages among which is ease of repair by replacement of either tube,

appended claims to cover all such modifications and changes.

lVhat I claim is:

1. A radiator comprising two' header tanks, and a plurality of fins extending in a direction forwardly and. rearwardly of said radiator and projecting substantially at right angles thereto, said tins each coinprising a plurality of individual superimposed water passages extending in a direction parallel to said fins with their respective walls forming side walls of said fins and being exposed to the air, said water passages being in communication at their respective ends with said tanks and serving as cooling passages to conduct a liquid cooling medium between said tanks.

2. A radiator comprising a'body portion including two header tanks, and a plurality of fins extending in a direction forwardly and rearwardly of said radiator and projecting substantially at right angles thereto,

said fins each comprising a plurality of individual superimposed water passages extending in a direction parallel to said tins with their respective walls forming side walls of said fins and being exposed to the air, said water passages being in coinmnnication at their respective ends with said tanks 4and serving as cooling passages to conduct a liquid cooling medium between said tanks.

3. A radiator comprising a body portion including two header tanks, and a pluralityY of fins extending in a direction forwardly and rearwardly of said radiator arranged on the top and bottom of said body and projecting substantially at right angles thereto, said tins each comprising a plurality of individual superimposed water passages extending in a direction parallel to said tins with their respective walls forming side Walls of said tins and being exposed to the air, said water passages bel ing 1n communication at their respective ends with said tanks and serving as cooling passages to conduct a liquid cooling medium between said tanks.,

4. radiator of general aero foil form comprising a body portion including two header tanks, and a plurality of fins extending 1n a direction forwardly and rearwardly of said body projecting substantially at right angles thereto and substantially enclosing said body and spaced at intervals header tanks.

' along said body to provide suiiicient air pastanks, and a plurality of fins'extending in` a direction forwardly and rearwardly of said radiator and projecting substantially at right angles thereto, said fins each conn-l prising a plurality of individual superimposed attachedtubes having water passages extending in ay direction parallel to said tins and with their respective walls forming side walls of said fins and being Iexposed to the air, said tins beingconnected to saidl tanks at their respective endsby members which form'parts of the respective fins and' serve as common passages between the respective ends of said tins and the respective 6. A radiator comprising a body portion including two header tanks, a plurality of fins extending in a direetionforwardly and rearwardly vof said radiator'arranged on the top and bottom of said body and projecting substantially at right angles thereto, said tins each comprising a plurality of individual superimposed water passages extending in a direction parallel, to said fins with their respective walls forming side walls of said tins and being exposed to the air, said water passages being in communication at their respective ends with said tanks and serving as cooling passages to conduct a liquid coolmg medium between said tanks, and means for venting a plurality of the passages comprising each respective fin lying on the top of said body to the atmosphere at points intermediate the ends of said fins.

7. A radiator comprising a hollow form, a plurality of superimposed individual water passages arranged in the formof fins extending in a direction forwardly and rearwardly over the outer surface of said form and projecting at right angles thereto.

8. A radiator comprising a shell of aerofoil form, a tank adjacent the front and a tank adjacent the rear portion of said shell, a plurality of superimposed individual water passages connecting said tanks and extending over the surface of said shell in the 'form of a. fin, and an air vent placing said tubes in communication with each other and with'the atmosphere at approximately.

their uppermost point.

9. A radiator comprising a shell of aerofoil form, having upper and lower surfaces, a tank adjacent the front and a tank adjacent the rear portion of said shell, a plurality of tubular sections connecting said tanks and extending over the surface of l said shell on the upper and lower surfaces thereof. and an air vent placing said tubes on the upper surface in communication with each other and with the atmosphere at approximately their uppermost p oint.

-10. A radiator of aerofoil form compris-` ing a shell, a front tank and a rear tank, la plurality of superimposed tubes arranged in the form of a iin and extending between said tanks, members connecting each end of said plurality of tubes to each respective tank, and an intermediate member positioned between said tanks and adapted to attach said tubes to said shell.

1l. A radiator of aerofoil form comprising a shell with upper and lower surfaces, a front tank and a rear tank, a plurality of ns each comprising a plurality of superimposed tubes attached together, said tins extending between said tanks, and a plurality of said fins being attached to the upper and lower surfaces respectively of said shell and tanks, and means connecting the tubes of each upper fin at their uppermost point to a common outlet.

12. A radiator comprising two header tanks. and a plurality of fins extending in a direction. forwardly and rearwardly of said radiator and projecting substantially at right angles thereto, said iins each comprising a plurality ofindividual superimposed fluid passages extending in a direction parallel to said ins with their respective walls forming side walls of said ns and being exposed to the air through which said radiator is adapted for relative movement, said Huid passages beingin communication at their respective ends with said tanks and serving as cooling passages to conduct a fluid medium to be cooled between said tanks.

In testimony whereof I have signed my name to this specification.

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