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1,120,118, Patented Dec. 8,1914

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1,120,118, Patented Dec. 8,1914 E. H. & H. H. ASHLOOK. AUXILIARY AIR INLET DEVICE FOR INTERNAL ‘COMBUSTION ENGINES. APPLICATION FILED NOW 19, 1913. 1,120,118, Patented Dec. 8,1914 Attorneys WTTED STATES PATENT OFFTCE. ERNEST H. ASHLOGK AND HENRY H. ASHLOGK, OF SAN DIEGO, CALIFORNIA. AUXILIARY AIR-INLET DEVICE FOR INTERNAL-COMBUSTION ENGINES. 1,120,118. Speci?cation of Letters Patent. Patented Dec. 8, 1914. Application ?led November 19, 1913. Serial No. 801,910. To all whom it may concern .' through and with which opening my i1n~ Be it known that we, ERNnsT H. AsnLocK, proved device communicates. and HENRY H. AsHLooK, citizens of the An elbow 7 is externally threaded at one United States, residing, at San Diego, in the end as at 8 and to which is secured the yoke 5 county of San Diego and State of Cali 9. The yoke 9 embraces the fuel inlet mani 60 fornia, have invented a new and useful fold 4 therebetwecn and is held rigidly Auxiliary Air-Inlet Device for Internal~ thereto by the curved bolt 10. The extreme . Combustion Engines, of which the follow end of the elbow 7 is beveled as at 11 and ing is a speci?cation. effects an air-tight joint with the side walls of the opening (3 of the fuel inlet manifold. 65 10 This invention relates to an attachment for internal combustion engines and more The remote end of the elbow 7 is also ex particularly to a device for supplying either ternally threaded as at 12 and to which is cold or heated air to the inlet manifold be secured the valve chamber or casing 13. The valve casing 13 is provided with the yond the carbureter. ' ' lower restricted opening 141 extending there 70 15 A further object is to providean attach ment to be secured to the fuel inlet manifold through and in which is slidably positioned of an internal combustion engine so that by the valve 15. The valve 15 comprises the the manually operating of a lever or valve, head 16 which is adapted to seat upon the warm or cold air can be supplied to the sides adjacent the opening 1% of the valve casing and effect a tight joint therewith. 75 20 engine. A further object is to provide a fuel The valve also includes the spider 17 which inlet manifold air supplying device which guides the valve in its axial or longitudinal will automatically open for the supplying movements and at the same time provides of air to the engine when the latter is for the proper opening being effected and 25 traveling at high speed and will automati also in the present instance provides that cally close when the speed of the engine is the area of opening of the valve is depend~ materially lessened. ent upon the height the valve is raised. A Vt’ith the foregoing and other objects in spring 18 is positioned within the valve cas view which will appear as the description ing, and rests upon the upper portion of 30 proceeds, the invention resides in the com the valve head, it being prevented from bination and arrangement of parts and in shifting laterally or transversely thereof, the details of construction hereinafter de due to the fact that the head is provided scribed and claimed, it being understood with the upstanding projection 19, around which the coiled spring 18 extends. The that changes in the precise embodiment of 90 85 the invention herein disclosed, can be made upper extremity of the spring is held in within the scope of What is claimed, with place and bears against the annular washer out departing from the spirit of the in 20 which in turn is held in place and rests against the extremity of the elbow 7 . Thus vention. ' the area of opening of the valve will be In the drawings accompanying this speci 95 40 ?cation and forming a part thereof, the dependent upon the pressure within the preferably form of our invention is illus valve casing so that the amount of air ad trated, in which : mitted to the fuel inlet manifold El: will be Figure 1 is a diagrammatic view of an dependent upon the vacuum existing therein. A nut 21 threadedly engages the end 12 internal combustion engine with our im 10C ‘ 45 proved device attached to the fuel inlet of the elbow and with a washer 22 effects a manifold thereof. Fig. 2 is a detail sec tight joint between the elbow and valve cas tional view of the device. ing. The lower extremity of the valve cas Referring to the drawings in which simi ing is externally threaded as at 23 and to lar reference numerals designate correspond which is secured the air chamber and me 105 50 ing parts throughout the several views, 3 chanical valve casing 211. The casing 24 is, is an internal combustion engine and is pro as illustrated in the drawings, circular in .vided with the usual fuel inlet manifold cross sectional contour and in which is 4 and exhaust manifold 5. The fuel inlet pivotally mounted the butter?y valve 25. manifold 4 is as illustrated in Fig. 2, pro The butter?y valve is pivoted upon an axis 110 vided with an opening 6 extending there entending centrally through the valve cas 1,126,118 ing 24 and which hxis or shaft is provided it is pointed out that the area of opening of with the crank arm 26 to which the link the valuve 15 being dependent upon the 27 is secured whereby the piston oflthe vacuum within the fuel inlet manifold, the butter?y valve may, be controlled. amount or quantity of air {supplied to the ea The air chamber or mechanical valve cas engine will also be proportional to the speed a ing 24: is provided with the threaded sleeves of rotation thereof. ' I 28 and 29 communicating . therewith and Having thus fully described our inven which are so arranged that either one of tion, what we claim is :—— which may be brought into communication 1., An automatic auxiliary air inlet device with the valve chamber 13, provided that the for internal combustion engines comprising valve 15 be open, or so that both of the said a valve casing communicating with an inlet sleeves may be closed out of communication manifold and with the atmosphere, an au therewith. The threaded sleeve 29 commu tomatic valve disposed within said casing, nicates with a pipe coil 30 which latter is means for controlling'the area of opening 80 15 wound about the exhaust manifold 5 and of said valve so as to be dependentupon with its remote end open to the atmosphere the difference in pressure between the inlet, so that any air entering the casing 24: manifold and atmospheric pressures, a man through the coil 30 willvbe suitably heated. ually operated valve disposed within said 'l‘he oppositely disposed sleeve 28 communi casing and communicating ‘with the auto $5 2(1) cates with the pipe 31 which latter is in di matic valve, andmeans for supplying cool rect communication with the atmosphere and heated air to said casing, said air select so that air entering therein will be at at ed and controlled by said manually operable mospheric temperature. valve- 1 . ., .. v. ‘In operation, the valve vane 32 which con 2._ An air controlling and'supplying de 90 25 stitutes the moving member of the butterfly vice for the inlet manifolds ‘of internal com valve is positioned as illustrated in full lines bustion engines comprising a valve casing, in Fig. 2, when the engine is being started. a spring controlled valve positioned there In the said position, both of the air inlets‘v in with the area of opening of said valve de are closed irrespective of the position of the pending upon the pressure within said valve 95 S501 automatic valve 15. When the engine has casing, an air chamber in communication been started {and is running under normal with said valve, hot and cold air inlets com conditions, the valve vane will be turned so municated with said air chamber, and a ‘that heated air will be supplied to the fuel manually operated valve disposed within , inlet manifold if it is a cold day and will said air chamber adapted to swing into be turned in the opposite direction if the communication with the said automatic 10 day be warm. Thus upon a cold day, heated valve. air will be supplied to the fuel inlet manifold 3. A device of the class described com to provide a more combustible mixture of prising a valve casing, a valve slidably dis~ gases and to also maintain the engine at the posed therein, a spring engaging said valve proper temperature. Likewise upon warm and holdinglthe same normally in a closed 110 days, the vane will be turned to its opposite position, means carried by the said valve position so that cold‘air will be supplied to for guiding the same in its axial move the fuel inlet manifold to prevent excessive ments and providing that the area of open heating of the engine and to also form a ing of the valve will be dependent upon the 11 45 more combustible mixture of fuel gases. displacement thereof from its normal posi rll‘hus the device is adapted to regulate and tion, said valve casing communicating with govern the temperature of the motor and the fuelinlet manifold of an internal com also due to the automatic valve willeffect bustion engine,an air chamber communi~ a considerable saving in fuel.' When the eating with said valve casing, a butter?y 50 engine is turning slowly such as will occur valve disposed within said air chamber, two 11 when'a steep grade is encountered and the air inlets communicating with said air engine laboring hard, the vacuum produced chamber, means for heating the air entering ' within the valve casing 13 will be insufficient through one of the said air inlets, said but ' to overcome the force of the spring 18 so ter?y adapted to open and ‘close the said air 12 55 that a rich mixture will be fed to the engine , inlets.
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