US1543732A - Preheating humidifier - Google Patents

Description

June .30, 1925. L543J32 J. H. STALEY PREHEATING HUMIDIFIER Filed Dec. e, 1924 Patented Junev 30, 1925. y i rUl\lli'l'l:`. l)'STATES PATENT OFFICE.

'I'OSEIPI-I E. STALEY, OF COLUMBUS, INDIANA.

Application filed December 6, 1924. Serial No. 754,276.

To all whom t may cof/wem:

Be it known that I, JOSEPH H. STALEY, a citizen of the United States, residing at Columbus, in the county. of Bartholomew and State of Indiana, have 'invented new` and useful Improvements in Preheating Humidifiers, of which the following is a specification.

It was determined experimentally many years ago, -that the introduction of steam directly into the cylinder of a hot-tube ignited kerosene motor produced a vastly more smoothlyrunning motor with the entire elimination of the theretofore customary knock or pound. Similarly, yit has been observed in the more-refined type of gasoline burning motors employed to-day that much better operation is secured both at night in the presence of thedamper air and on damp or rainy days.

Realizing the effect of water vapor upon the operation'of the motor, 'many inventors have sought to devise means whereby such vapor can readily and-suitably be introduced to meet all requirements,'butit is evident from the new work appearingfrom time to time that the entirely` successful operation of such means has not been attained heretofore. y

. My invention comprises means of taking vapor from the top of the usual radiator for cooling the engine-jacket water and thoroughly incorporating this vapor in a mixing chamber with the entire inrushing air going through the carburetor, in the presence of heated walls, and at the same time drawing the heated gases present in the crankcase into this mixing chamber for passage back into the motor cylinder. My invention not only provides for the carburetor intake air taking up the maximum possible va or but at the same time provides for t e preheating of such air with a control means for decreasing the heat during the motor operation in excessively hot weather so as to avoidv` loss of power. My device is exceedingly simple, eliminates the usual carburetor air-intake stove on the exhaust manifold, is effective under all operating conditions, providing quick heating means for warming the `intake-air in'cold weather starting, avoids floodin and choking the motor by radiator boi ing as encountered in the usual humidifying device, and can readily be applied to any motor at a very reasonable cost.

I accomplish these and such other objects asmay become apparent in the following description, by the means as illustrated in the accompanying drawing, in which Fig. 1 is a right kside elevation of a motor showing in economizing humidifier applied thereto an the upper portion of a radiator in connection therewith; Fig. 2, an enlarged plan view of the humidifier with fragments of the exhaust manifold and the therein entering interceptor tube removed; Fig. 3

a front vertical elevation of the humidifier with a vertical sect-ion taken through the exhaust manifold and the interceptor. tube on the 'line 3.--3 of Fig. 2; and Fig. 4,

a further enlarged vertical section through he lumidier taken on the line 4 4 of Like characters of reference indicate like .intake manifold 11. An outer chamber is formed to enclosethe member 5 by engaging the= upper end of the cylindrical housing 12 againstA the annular shoulder about the outer circumferential edge of the cover late7 and there securing the housing 12 y a base plate 13 similarly formed with an annular shoulder as the cover plate 7 to enga've the lower endr of the housin '12, as the tbase plate 13 is screW-threa edly Engaged about the lower end of the mem- A backwardly turned L 14 is formed on the under side of the base plate 13 and its internal passage is restricted as the passage discharges into the ellpsoidal member 5,

ro'ducing in effect a Venturiv tube. The interceptor tube 15 is screw-threadedly en gaged by one end in the housing l2 and has its extending length jslightly reduced in diameter to permit the tube to be screwthreadedly engaged in the exhaust manifold 22 so as to have the outer end'further project-ing intothe manifold substantially across 'the tube 15,"fexhaust Vgas of to' the opposite wall of the manifold. lThis projecting end of the interceptor tube 15 1s cupped, and sh'aped to properly deflect the exhaust gases through the tu e 15 to within the housing 12 around about the outside of the member 5. The exhaust gas-so deflected is allowed to'exhaust from wlthin the housing 12 into the exhaust pipe 16 leading from the housin" 12 o n the side opposite and above or bv ow the interceptor tube 15, (here shownv below), down through and dischargin below the motor pan 17.

ferring to Fig. 2, it will be noticed that the'in'terceptor. tube 15 is introduced into the manifold 22 immediately back of one of the cylinder exhaust rts 23 discharging into the manifold. y so placing thev maximum temperature is deflected from the manifold directly into the housing 12. A butterfly valve 24 is placed within the tube 15 between the housing 12 andthe manifold 22 and is operated b the lever 25 and the connected control ro 26.l` A vapor conducting tube 18 leads from within the radiator filler neck 19 back and down to a stop cock 20 which screw-thread- 'edly engages 1n one of the two passages 21 enterin the lower L 14 from the front side. The ra iator 27 is equipped with the vusual overflow pipe 28. A tube 29 having its lower end assed through thev breather tube 30 below t e usual screen (not shown) and turned downto prevent the .entrance of oil or fliei b d h h 29, sc ar s y its' u per/en t roug a stop cockge31 into'thepother of theA two passages 21 in the L 14. A nozzle 32 is securely fitted in each ofthe passages 21 so as to extend inwardly within `the L and is turned upward to .terminatei its discharge orifice centrally within themost 4'restricted portion of the passage through the L 14 'into the member as in Fig. 4 where in the section but one nozzle 32 shows.

. Thoufgh not absolutely essential to the success ul operation of my'device, it may be of some benefit to emplo the carburetor by-pass stop cock 33, screw-t readedly entering the top L 8, andtube 34 discharging from the sto -cock 33 directly into the intake manifol 11.

Especial attention is drawnto the position of the injecting nozzle 32 in that by so locatlng it, such water as may be drawn over through the tube 18, as may happen when' the radiator is boilin upwardly in the ra over rough roads, through the L 14 along the wall A screen 35 is placed over the ing of the L 14 to foreign objects.

The operation of my preheating lhumidifier iator in driving a. car will drain down and out and can not be conducted intake openprevent drawing in o f y objects entering the breather tube such gases or the water 1s thrown over into the carburetor.

is simple and involves no moving parts other thanthe setting of the stop cocks and the heat controlling butterfly valve 24. As the motor is cranked)apartial vacuum is produced in its intake manifold 11 thereby producing an in-rush of atmospheric air into the lower L 14, through the restricted passage, and into the mixing chamber 5, and by so is produced in that restricted area at the terminating ends of the nozzles 32.. This vacuum causes an in-rush of air through the tube 18 from the topdf the radiator above the surface of the water, thereby drawing oil' ,the vapor there present and injecting it through the nozzle 32 into the chamber 5. The stop cock 20 may be so adjusted as to givethe desired quantity of vapor as demanded. Similarly air is drawn through the tube 29 from t e crankcase bringing the gases there contained and injectin them through the other nozzle 32 intentie mixing chamber 5. -By lvirtue of the shape of the chamber 5 andV the nature of its inlet .and outlet passages, considerable turbulence of the gases, vapor, and air is created so as to obtain a completelv mixed resultant product. By opening the butterfly valve 24 the exhaust gas-passes into the housing 12 around the fins 6 and out the pipe 16such that the wall of the mixing chamber member 5 is brought to an exceedingly' high temperature such that the contained gaseous mixture is heated.

With the continued production of the partial vacuum in the manifold 11, the mixture rushes from the chamber 5 through the L 8,A the pipe 9, the carburetor 10 where the gasoline is taken up and on into the intake manifold 11 and from there to the cylinders in the usual manner. It will be noted that the stop cock 31 may be shut 0H to prevent the flow of gases from the crank case or the entire tube 29 to the breather pipe 30 ma be omitted if desired, since o not affect the vapor sup ly but are onl utilized to ell'ect a fu lier economy in t e motor operation.

Having fully described my invention in the form now best known to me, thou h it obviously may be varied in structiona details without departin from the spirit of the invention, what 1g claim as new and desire `to secure by United States Letters Patent is:

1. The combination with a hydrocarbon motor havin a crank-case, a radiator, an exhaust manlfold, and a carburetor air-intak'e pipe,\of an auxiliary mixing chamber throu h which all of the air passes that en ters t e carburetor, said mixing chamber discharging into said intake pipe, and said auxiliary mixin chamber having an intake paage to orm a Venturi tube in conjunction with said mixing chambpigpeeA doing the greatest vacuum tor air-intake pipe, of'an auxiliary mixing chamber discharging into said carburetor air-intake ipe such -that all air passing through t e motor carburetor passes through said chamber; an intake L on tie intake end of said auxiliary mixing chamber having itsdischarge o ening into said mixchamber restric ,in said radiator; and means of heating sai mixing chamber.

3. In a-hydrocarbonmotor, the combinationV with water vapor supplying means, an

exhaust manifold, and a carburetor air-intake pipe, of an auxiliary mixing chamber discharging into said carburetor air-intake i' pipe such that all air passing through tion with water vapor supplying means, an

the motor carburetor passes through said chamber, the intake end of said auxiliarymixing chamber havin its dischargeopen- `ing into said mixin yc amber restricted to form a Venturi tu in conjunction with said chamber; a pipe discharging into the intake of said mixing chamber, said pipe entering by its other end said water vapor supplying means and having its intake above the normal water line in said means; a housing surrounding saidn mixing chamber; a conduit conductin exhaust gases from said exhaust manifold kinto said housing; and a discharge pipe from said housing, said discharge pipe leaving said housin at a point staggered and not opposite the in et of said conduit.

4. Iii'a hydrocarbon motor, the combinaexhaust manifold, and a carburetor air-intake pipe, of an auxiliary mixing chamber discharging into said carburetor air-intake pipe such that all air passing through the motor carburetor passes through said chamber, said auxiliary mixing chamber having its intake passa restricted to form a Venturi tube in con unction with said chamber; a pipe discharging into said intake paage at its most restricted section, said pipe enterin by its other end said water vapor supp ying mea-ns; a housing surrounding said mixing' chamber; an interceptor tube .discharging within said Ihousing and enftering said exhaust manifold and extendin substantially across to the opposite wa within said manifold, said interceptor tube being inserted in said manifold at a point ing to form a Venturi tu e in conjunction with said chamber; a.

immediately back of a port discharging from said motor into said manifold, and

said interceptor tube having its rojecting end cupped and scoop-shaped to eiect the gases entering said manifold through said tube to within said housing; a discharge pipe from said housing; and means cooperating with said interceptor tube of controlling the flow of exhaust gases into said housing.

5. In (a hydrocarbon motor, the combination with water vapor supplying means, an -exhaust manifold, and a carburetor air-intake pipe, of an auxiliary mixing chamber discharging into said carburetor air-intake pipe such that all air entering the motor carburetor passes through said mixing chamber,.said auxiliary' mixing chamber having its intake passage into said mixing chamber restricted to form a Venturi tube in conj unction with .said chamber, nozzles fixed in said intake passage to have their discharge ends projecting into, the most restricted section of the passage; vapor conducting pipes discharging into said nozzles conducting vapor from the said water vapor supplying means and vapor from the crankcase of sai motor; stop-cocks in said conducting pipes; and means cooperating with said exhaust manifold of heat-ing said mixing chamber.

6. 'In a hydrocarbon motor, the combination with a radiator, an exhaust manifold; an intake manifold, and a carburetor air-take pipe, of an auxiliary mixingauxiliary mixing chamber having its discharge opening into said mixing chamber restricted to form a Venturi tube in conjunction with saidchamber; a pipe discharging into said -intake member at the most restricted section, said pipe entering by its -other end said radiator and having its intake above the normal water line in said radiator; means cooperating with said exhaust manifold of heating said mixing chamber; and carburetor by-pass means for passing a portion of the products discharging from said mixing chamber directly into lsaid intake manifold.

7. In a hydrocarbon motor, the combination with aI radiator, an exhaust manifold an intake manifold, and a carburetor air-intake pipe, of an auxiliary mixing chamber discharging into said carburetor air-intake pipe such that all air passing through the carburetor is drawn through said chamber; an intake member of said auxiliary mixing chamber having its discharge opening 'nto said mixin chamber restricted to form a Venturi tu e in con-V junction with said chamber; a water vapor -of the c amber within the charging into said intake member; a crank case vapor pipe leading from the crankcase of the'motor and discharging into said intake member; meanspcooperating with said exhaust manifold of heating saidmixing chamber; and carburetor by-pass means discharging from the discharge of, said mixing chamber into said intake manifold.

8. A humidifier comprisin a mixing chamber having a dischargingq'a housing surrounding said chamber; a housing-cover plate carried between the discharging. L and the chamber; annular radiating fins projectin outwardly from the outer side housing; an intake end housing cover .plate engaging the intake end of'said chamber; an intake L in said intake end cover plate, said intake L having its intake opening substantially of the same area as that of the said discharging L, and said intake L having its internal passage restricted vfrom said intake .exhaust manifold cupp opening to its discharge into said mixing chamber; a screen over the end of said in-l take L intake opening; a nozzle in said passage terminating in its most restricted passage area.; a tube adapted to be fitted by its intake end into a radiator to take vapor from above the radiator water and' discharge into said nozzle; a control valve in said tube; an interceptor tube engaged by one end in the wall of said housing and ada ted to be inserted through and engaged in t-lie wall of an exhaust manifold of a motor, said interceptor tube having an end to roject `wit-hin the and scoop-shaped to deiect the exhaust gases through the tube into the said housing; a valve in said interceptor tube; and a discharge pipe from said housing. v

Signed at Columbus, county of lBartholomew, State pf Indiana, this the 3rd day of Dec. 1924.

JOSEPH H. STALEY.

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