US1874104A - Automobile engine cooling system - Google Patents

Description

Aug- 30 1932- H. D. JOHNSON v 1,874,104

AUTOMOBILE ENGINE COOLING SYSTEM Filed sept. 16'.. 1951 lzvenzfo?" y l ttofgg l Hanns? D. JOHNSON,

mg fluid, such as him wherein 51205 Figure 2;'

yai), tion.

Patented Aug.v 30, 1932.

para stares v i or oHrcAGo,';ILriNo1 VVKnan'rsca Ann cna-aiman- 'rc1-maar' f if' nU'roMoBrLs ENG-1N Applicationmea september 1e, 1931.

My invention relates to'an improvement in automobile engine. cooling systems and has for .one object the provision oi? improved means for maintaining circulation of a coolwater, about a machine,4 engine or the like. I illustrate my invention in connection withtheradiator and engine block of an ordinary automobile, but itwill be realizedthat it may have other-applica- One object ris the provision oi means for circulating Ycooling water 'through the engine block of an automobile withoutthe employment of pumps or positively and mechanicalactuated conveying means. Other objects `will appear from time totime in the course of the specification and claims. l v I illustrate my invention more Aer less diagrammatically in the'accompanying drawing,

, Figure lis aside elevation with parts in section; l j

Figure .Figure 2 is a front elevation; 3 isasection on theline 3`3 of Figure is a diagrammatic view with parts inY section, and.'

Figure k5 is a 'view similar to Figure 4, ot a variant form. c y Y `Like parts are indicated by like symbols throughout the specification and drawing.

"Referring to the drawing, A generally in- "dicates -any suitable engine having jacket structure A1 about the cylinders. A2 indicates the intake manifold and A3 gener ally. indicates the carbureter structure.

B generally indicates the radiator structure of the automobile having a passage B1 eX- tending from a lower portion of the radiator to the engine block Jfor communication with the water jacket A1. B2 isa return waterv passage from the water jacket which may discharge as at B3 within the radiator structure.

Within the radiator structure is a passage member generally indicated as closed at the top as at C1 but open at the bottom as at C2, at a point well below the normal level of water within the radiator. G3 indicates the cooling liquid, water or the like.

D indicates a pipe line extending from the matic illustration oi the water which is 7 s, VvAssrf'rnon svannnn, rotin` or oirIGAGdiLLiNois :s oooLiNe sYs'rEM y "serial No. 563,117.

fold AZ to an upper portion of the passage C. Itis essential that the outlet connection between the passage C andthe passage D be above the level of the water within the passage intake mani C. Hence it is illustrated in Figure 1 as connecting with the passage C at a point above the'water inlet B3. rIhe open bottom C2 oi? the passage C may be intermittently closed as by thevalve member E, which passage C. G1 indicates any suitable means, 'is

forneisample the "outlet with the. valve G2, for drainingjthe radiator. Figure 4L illustrates diagrammatically the functionj'oi` the device. 'Figure 5,*with a slightly variant structure, is also a diagramthe function of the device., ,l vItwill be realized that whereas I have described and shown a practical and operative device, nevertheless many Vchanges might/be made in the size, shape, number sition of parts withoutdepartingfroin-the c spirit oi my invention. I therefore'wish my 'description and drawing to :be taken` as in a broady sense illustrative and diagrammatic rather than as limiting me tofmy .Spe .Showns-` L. 1 f c Thefuse and operation of my invention are as follows: 1 j. f' f I It vwillbe clear from the structureherein shown that when the vengine is in operation the iniiow voi' fuel and air lthrough the intake .manifold will-cause suction, through the'pipe line D, in the 4container G. AThis creates or ytends to create avacuum inthe interior of the n or voimlfinian To RALPH vn.

Vmay be a plate Vor disc normally upwardly drawn as .by the spring E1. It` may be guided for example by the stem E2 passing through theguide or guides E3.- It willbe understood that pressure within the chamber C, for exainplethe pressure of a column of water, will move the closure Edownwardly and permitfthe water to seek its general level in the radiator. On the other hand, any back or upward pressure closes the closure IE5-preventing the flow o fwater inwardly and `upwardly into the; container C Jr'r'om the, general interioroic the radiator; A G indicates an ,outlet or overflow.l passage for the radiator, positioned exteriorfly of the and dispopassage in communication with said chamshall not rise above I may provide the closure means E above deL j scribed. VIn any case, the suction through the passage B2 will withdraw water from the water jacket A1 as diagrammatically illus! trated in Figures 4 and 5, and this will tend y to raise the level of water in the passage C abovethe normal level'of water. in .the radiator itself. The weight of the column of lwater so accumulated .will force open the clo-v sure E and the water will iiow downwardly through the bottom of with the water in the radiator. Thus, a circulation is maintained from the radiator through the passage B1 to the engine block A1, and from the engine block A1 throughthe passage, B2 to the chamber or passage C and thence through the closure E to the interior Vof the radiator. l Y,

Considering Figure l for eXample,`it will be clear that while there may be atmospheric pressure or approximate atmospheric pressure above the water in the radiator outside of the passage or container C, there will be suction or a relative vacuumA in the space above the water level withinthe passage C. This ,relative suctionV will `not result in any rise in level of the water from the bottom of the passage C, whether'because ofthe area of waterexp'osed Vor because'of the uselof the closureEL 'It will cause Vwithdrawal of wa- `ter through the passagesB1 and B2 from the radiator'to the interior `Vof the'passagefC, thus causing the necessary circulation of the coolinglmedium. f

Referring to Figurese `and 5it will be noted that no closure E is'employed'an'd in many circumstances it maybe possible to dispense With its use. the level ofwater when the device is running the inlet of the member B2 andthe parts are illustrated in all figures disposedin such fashion ,asto prevent any such rise of level. f

I claim: j' v l 1. Ina device Vforr maintaining thecirculation" of a cooling liquid for van engine, an engine, a waterjacket associated therewith, a radiator, a chamber Within said radiatorhavthe member C to join rtionof ya cooling liquidfor an engine, an

. water level said `chamber,.above the level of said' outlet fpassage, saidsuction-passage extending -to What is essential is-th'a-t jacket, an inlet passage member extending from the water jacket to the interior of said chamber at a level above the water line, and a suction passage extending from the inlet manifoldnto said chamber at a llevel above the level of said outlet passage.

3. In a device for Vmaintaining jthe circulation of a coolingV liquid for an engine, an

engine, a waterjacket associated therewith, 21.95 a radiator, a chamber in communication with said radiator at a point below the normal 4water level .in said radiator, an outlet passage member extendingv from the-radiator, below the water line, to the water jacket, an inlet passage vmember extendingyfrom the water jacket to the interiorof said vchamber at alevel above the water line insaid chamber, and a suctionpassage in communication with said chamber, above the level of saidoutlet passage, and means formaintaining a suc'- tion therethrough. f

t. In a device for maintaining the 'circulaengine, a` water jacket associated therewith, a radiator, a chamber in communication `with said radiator ata point below the normal in said radiator,lan outlet passage member extending from theuradiator, below the water line, to the Water jacket,anfinlet passage member extendingfrom the vwater Vjacket to the interior of said chamber at a level above the water line in said chamber,

and a suction passage in communication with no the inlet manifold of said engine.

`Signed at Chicago countyof Cook and Statev of Illinois, this Qthdayof September ,M5

HARRY D. Jomvsoisi.V i

ing a bottom opening located below the normal water level in said'radiator, `an* outlet passage member extending from the radiator,

below the water line, to the waterjacket, an inlet passage member extending from the ,water jacketto the interior of'saidchamber at a level above the water line, and a suction

Images