US1154072A - Radiator for motor-cars. - Google Patents

Description

H. W. STOCK.`

RADITOR FOR MOTOR CARS. APPLICATION 'HLED- MAY 29. 1912*.

Ltg Pmed Sept. 21, 1915.

fig@ bg NVWBWSod/ M 5,7%, Q Jqlly Cgi HENRY W. STOCK, OE ERIE, PENNSYLVANIA, ASSIGNOR TO GENERAL ELECTRIC COMPANY, A CORPORATION OF NEW YORK.

enmarca` ron Moron-cans.

rasante.

To all whom t may concern.'

Y Be it known that l, HENRY NV. STOCK, a

be directly or indirectly connected to vthe axles of the trucks., Such an'arrangement requires a radiator of relatively large area to dissipate the heat transferred to the circulating water through the walls of the cylinders, valve casings, etc. In order to obtain the best-cooling effects 'thediaton its headers, jackets, piping, etc., should be substantially filled with water or other cooling liquid.

In carrying out my invention, a radiator is provided comprising aplurality of tubes which are connected to headers and the whole structure is mounted on the roof of the vehicle where it is subjected to the cooleffects of air currents, particularly when ing the vehicle -is in motion. l have found 1n the practical operation of such apparatus that when the vehicle is stopped suddenly and to a lesser extent when it is so started, that the water in the headers surges back and forth, often spilling out of the overflow resulting in waste wliichis detrimental to good operation, is wasteful and alsotends to disigurc the appearance of the vehicle by reason of the water running down the sides of the vehicle over the window, etc. l have also discovered that at times when the engine is running at too high a temperature, usually due to unskilled operation, steam will be formed` in the engine jackets which blows water out of them and causes a discharge at the overiiow. l have also found that when the vehicle is traveling on steep grades that the water will sometimes collect in one end of the radiator causing a fictitious level at that point with a resulting overflow at the outlet. To avoid t rese objections l provide what for convenience may be termed an overflow tank or receptacle which, as an additional' function, may serve to Specification of Letters(PatentA Application filed May 29,1912. I SerialNo. 700,407'.

`an electric generator and motors.

Patented sept, 2i, aars.

equalize the level of the water in the right and left-hand sections of the radiator. This tank may be of any suitable size but it should' be at least equal to the cubical contents ofthe cylinder and Valve jackets of the engine so that ifl they discharge the water contained therein due to the momentary formationof steam, it can all be received in said tank and later flow back to the radiator. The tank should be so arranged that the entrance of water into it is battled or retarded to a certain degree so as to limit the effects of surging to a greater or less degree.

In the accompanying drawing which illustrates one of the embodiments of my invention, Figure 1 is a portion of a self-pio pelled vehicle showing the engine radiatorv in elevation and the body of the vehicle in outline, yand Fig. Q is a longitudinal section taken on line 1 2 of liig. l'.

5 indicates the floor of the vehicle, 6 the side-'walls thereof, and '7. the roof. l have omitted the trucks from the vehicle because they are unnecessary to an understanding of the invention.

Located within the vehicle is an internal combustion engine 8 of any suitable construction. As shown, the engine comprises eight cylinders arranged in sets of four each,

the cylinders being inclined to eacli other. The pistons in thecylinders are connected by suitable cranks to the main shaft 9; the latter may be directly connected to the car axles through gearing or indirectly through liprefer the lattei'arrangenient. rlllhe engine cylinders and valveV casings are provided with cooling jackets 11 and cooling water is conveyed thereto by the conduits 12 and conveyed therefrom by conduits 13 to the radiator. 'ln these conduits are flexible connections 14. The radiator which is mounted on the roof of the vehicle and corresponds approximately to the curvature thereof,v is made in two principal parts or sections. Each of these parts comprises headers 15 and 16 which are connected to an inner set of tubes 17 and an outer set 18, Each of these tubes is provided with radiating fins to increase the effective cooling surface.

Mounted on top of the upper headers 1G is an overflow tank or receptacle 19 which is connected'to each ofthe headers 1G by rela'- tively restricted openings or orifices and when the conditions become normal.

21. These are located near the ends of the overflow tank so that as the water tends to surge back and forth in the header under conditions of starting and stopping, it can enter the tank. These openings are relatively restricted so ithat a certain amount of opposition will be offered to the movements of the water. lThe tank is similarly connected to the right-hand lie-ader so that it will receive water from both parts or sections of the radiator and return it to tl'eiln e cubical contents of the overflow tank should be at least equal to those of all engine'jackets, if the best effects are to be obtained. That is to say, if steam is generated in the jackets and blows the water vout of them, the overflow tank should have a capacity great enough to receive this water.

Each 'of the headers 16 is provided with a f filling and overflow device 22 having a cap 23 to prevent the entrance of foreign matter. Between the upper and lower sets lof tubes 17 and 18 is a ballier 24; comprisinga partition attached to the side and end walls of the header and containing a plurality of orifices 25. This balller serves to distribute the cooling water to the various tubes in each set and also assists in retarding the surging action of the water in the operation of the vehicle. 4 1 l I have shown the overflow tank mounted on top of the radiator headers because' thisis a very effective location, but itis not necessarily so positioned. The tank' may be of any suitable shape and can 'be made larger than above specified if-desired. .It is important, however, from a constructive and operative" standpoint to make it as small as possible consistent with satisfactory operation. This is particularly true where head room in the car-barns, of the bridges, etc., is

' limited. l

In accordance with the provisions of the patent statutes, I have described theprinciple of operation of my invention, together with the apparatus which I now consider to represent the best embodiment thereof; but. AI desireto have itunderstood that the apparatusv shown is only illustrative, and that the invention can be carried out'byother means. y

What Iclaim as new and desire to secure by Letters Patent of the United States, is

1. In a vehicle, the combination of an internal combustion engine located within the vehicle and having a Huid cooling system, a radiator made in two principalparts or sections located at opposite `sides of the vehicle,

receiving. and delivery `connections between each of said sections and said cooling system, so that the fluid from the latter may pass through them andv give up heat, and, in I f addition, an overflow-receptacle common to both sections of the radiator andlocated with the radiator.

megeve above them which is adapted to receive fluid temporarily forced upward from the radiator by movement of the vehicle or by steam generation in the fluid cooling system of the engine.

2. In a. vehicle,- the combination of an internal combustion engine having its cylindersV arranged in sets and also having a cooling system for each set located within the vehicle, a radiator for each system outside the vehicle, receiving and delivery connections between each radiator and the corresponding cooling system, and, in addition, anoverlow tank on the roof of the vehicle that is connected toboth of them and is ar'- ranged to receive fluid expelled therefrom as tion, an overflow tank located above the radiator and connected to one of its headers through a relatively restricted opening.

4l. In a vehicle, the combination of an internal combustion engine carried thereby and having-a fluid coolingsystem, a radiator comprising headers and connecting conduits arranged in sets located outside of the vehicle, there being a baliler in one of the headers between the sets to distribute the fluid to the conduits. and reduce the effects A of surging, receiving and delivery connections between said radiator and said cooling system, and, in addition, 'an overflow tank located above' the radiator and connected thereto at separate points. i

5. In a vehicle, the combination of an internal i combustion engine carried thereby and having 'a fluid cooling system, a radiatorlocated on the roof of the vehicle and comprising two sections each with a plurality of headers connectedby radiating conduits, reeeiving and delivery connections between said radiator and said cooling system, and,

i addition, an' overflow tank locatedabove y two of said headers and in open communication with both. Y

j 6. In a self-propelled vehicle, the combination of an internal combustion engine located within the vehicle and provided with cooling jackets, a radiator located on-the roof of' the vehicle, conduits connecting the engine jackets and the radiator, and in addition an overflow tank alsolocated on the roof .of the vehicle which is in communication 7 In a vehicle, the combination of an internalcombustion engine mounted thereon and having `cooling jackets, -a radiator mounted outside said vehicle, receiving and least approximately equal to those of the endeliveryconnections between the .cooling gine jackets. E0 jackets and said radiator, and, in addition,' In lWitness whereof, I have hereunto set a receptacle located above said radiator and my hand this 23*day of May, 1912.

connected directly therewith at a point HENRY W. STOCK. above the normal level of the .cooling Huid, Witnesses: i said receptacle being normally` empty and of DORMAN WEAVER, such size that its cubical contents are at GALE GIBSON.

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