US1659656A

US1659656A - Oil-engine control

Info

Publication number: US1659656A
Application number: US732031A
Authority: US
Inventors: Charles B Jahnke
Original assignee: Fairbanks Morse and Co
Current assignee: Fairbanks Morse and Co
Priority date: 1924-08-14
Filing date: 1924-08-14
Publication date: 1928-02-21
Anticipated expiration: 1945-02-21

Description

Feb. 21, 1928.

c. B. JAHNKE OIL ENGINE CONTROL 2 Sheets-Sheet 1 Filed Aug. 14. 1924 I lllllll l INVENTOR 6701mm )3. JAM/m5 ATTORNEY Feb. 21, 1928.

C. B. 'JAHNKE OIL ENGINE CONTROL Filed Aug. 14. 1924 2 Sheets-Sheet 2 INVENTOR CHARLES E. J/m/vnE BYE &

ATTORNEY Patented Feb. 21, 1928. g

UNITED STATES CHARLES B. JAHNKE, OI BELOIT, WISCONSIIET, ASBIGNOB TO FAIRBANKS, HORSE & 60.,

OF CHICAGQ ILLINOIS, A CORPORATION OF ILLINOIS.

OIL-ENGINE CONTROL.

Application filed August 14, 1824.' Serial No. 732,081.

My invention relates to deflecting lates for controlling the spray of fuel as injected into the pre-combustion chamber of an internal combustion engine, and more particu- I larly relates to improvementsin that type of apparatus disclosed in U. S. Patent 1,337,- 771 issued to Hobart & J ahnke.

' 'I he object of my invetion is to provlde means on such a deflecting plate for removing any carbon deposit w ich may have accumulated on the injector nozzle.

Another ob'ect of my invention is to provide a contro lable method of operating an internal combustion engine at light loads 16 throu h the use of such deflecting plates where y a greater economy and efliciency may be secured at those loads.

Another object of my invention is to provide such deflecting plates which are detachable from the controlling means, therebymaking it possible to use in the construction of these plates special types of heat-resisting material, such as nichrome and the like. Although myinvention consists lar ely in the construction and arrangement 0 parts hereinafter described and articularly pointed out in the claims, yet I 0 not limit my invention to the precise form, construcac tion or arrangement of parts shown or the several parts thereof, inasmuch as various alterations may be made without changing the scope of my invention.

The further objects and advantages of my invention will a pear from the following descriptions and rawings of m device. In the drawin Fig. 1 is a sectional v ew of the combiis ion end of an internal combustion engine employing an approved. form 0 of my device. Fig. 2 is an enlarged sectional view of the deflecting device as shown in Fig. 1. Fig. 3 is a sectional view of the deflectional device shown in Fi%. 1, shown in its out-of-action position. igs. 4 and 5 5 are of an ap roved form of deflect on plate. Figs. 6, 7 and 8 are views partially in sect on of a modified form of my deflectionaldevice, and Figs. 9, 10 and 11 are views of another modified form of my deflectional device.

Referring by numerals to the drawings,

' 10 designates apro-combustion chamber which may .be of any approved type and into which the fuel is injected by means of the injector 11, which may of any suitable form, preferably of the singledeflecting plate 13 may the face of the nozzle of the injector 11 and tube type having a fuel inlet such as 21. In con unction with the chamber 10 may be employed a temporary hot mechanism as hot tube 12, set forth in Patent No. 1,159,- 341, issued November 2, 1915, and which is ada ted to be heated from the'outside by a torc or other suitable mechanism for the purpose of starting. 13 desi nates a deectin plate of the type set orth in Patent. i 0. 1,337,771, issued April 20, 1920, which is controlled by an suitable means such as the rod 14 and the andle 15 for the purpose of deflecting the flow of fuel from the nozzle of the injector 11 towards the hot tube'12 when the engine is being started. It is evident that by turnin the handle 15, this moved from the position shown in Fi 2, which is the normal position for startlng, toward that shown in Fig. 3, in which osition the deflecting plate is entirely out of the line of flowof the fuel from the injector 11. This deflecting plate may be employed for urposes other hanh starting which will be hereinafter set ort It has been found that in employing low grade fuel oils that there is a tendency with many of them towards a formation of a considerable deposit of carbon on the end of the nozzle of the injector 11. It is evident that this carbon formation interferes with the successful operation of the engine, and I haveprovided a means for removing this formation whenever desired by the use of a projection 16 on the deflection plate 13, so constructed and so placed that when the handle 15 is turned from the position as shown in Fig. 3 to the position as shown in Fig. 2, the projection 16 will pass across O5 in close proximity thereto, the result being that any carbon deposit on the end of the nozzle of the injector 11 will be scraped off by the projection 16. It is evident that this pfi'ojection may be of any suitable'form or s a e.

Eben the engine is running at or near full load, the deflection plate is referabl removed from the path of the in ected fue by means of the handle 15 and rod 14. I have found,however, that when operating at light loads itis advantageous to introduce this deflection plate in the line of flow of the injected fuel, the result being that the fuel is deflected or spattered onto the walls to enter the hot tube, as is the case when starting the engine. In order to overcome this difliculty, I prefer to employ a deflecting plate with a deflecting surface which has a variable degree of angularity with respect to the axis of the plate. One form of such a plate is shown in Figs. 6, 7 and 8. 17 denotes the hub of the plate which may be attached to the rod 14 by means of set screws or pins passing through the hole 18. At 16 is shown the projection or scraper for the purpose of removing carbon deposit, and at 19 is shown the surface upon which the fuel preferably impinges during starting. The angle of this surface 19 with res ect to the axis of the plate 13 is such that the fuel will be deflected into the hot tube 12. The surface 20 into which the surface 19 merges, has, however, .an angular disposition with respect to the axis of the plate 13 which varies from the angular disposition of the surface 19 sufficiently so that the fuel will not be deflected into the tube 12 but onto the innersurface of the pre-combustion chamber 10. It is evident, therefore, that by employing a deflecting surface on the plate 13 which has a varying angularity with respect to the axis of the plate, and by adjusting the position of this surface below the injector 11, I may deflect the flow of the fuel from the injector 11, either into the hot tube 12, such as would be done at starting, or onto the walls of the combustion chamber, such as would be done when to make these running at light. loads.

In Figs. 9, 1d and 11 I have shown a modified form of this deflecting plate in which a plurality of deflecting surfaces are emplo ed oneither side of projection 16, one sur ace being emplo ed for starting, the other for running at ight loads. It is evident that there are a number of forms which may be employed to accomplish the purposes as set forth.

I have found it desirable to make these plates of some heat-resisting material such as nichrome, for example, and, in order to save material in this construction, I prefer lates detachable as shown. It is evident, owever, that they may be made integral with the controlling means and still be within the scope of my invention.

I claim: I

1. An adjustable, plate ada ted to deflect at a plurality of selected ang es, the flow of fuel emitted from the injector nozzle of an internal combustion engine, abrading means on said plate for 'removmg' carbon deposit on the fuel nozzle.

2. In combination with a' fuel injector nozzle in an internal combustion engine, means for removing the carbon deposit from the nozzle, comprising a scraper member adapted to be moved across the end of the nozzle, said member comprising a plurality of fuel deflecting surfaces, each disposed at a different angle to said nozzle.

3. A member adapted selectively to de fiect in one of several predetermined directions, the ow of fuel emitted from the injector nozzle in an internal combustion engine, said member comprising a plurality of deflecting surfaces set at diflerent angles to said nozzle, and a scraper adapted to be moved across the end of the nozzle.

4. A detachable deflecting plate adapted to divert selectively at a plurality of different angles, the flow of fuel emitted from the injector nozzle in an internal combustion engine, said plate comprising fuel deflectin surfaces and a scraper adapted to be move across the'end of the nozzle.

5. A deflecting plate. adapted to deflect the flow of fuel emitted from the injector nozzle in an internal combustion engine, a deflecting surface on said plate having a plurality of different degrees of angularity with respect to the axis of said nozzle, said plate comprising a cleaning member for said nozzle.

6. A movable plate adapted to divert at one of a lurality of angles, the flow of fuel emitted rom the injector nozzle'in an internal combustion engine, a scrapin edge on said plate, adapted for cleaning said nozzle, a deflecting surfaceoon said plate having varying degrees of angularity with respect to the axis of said-nozzle, means for con trolling the position of said plate with respect to the injector nozzle.

7. A movable plate adapted to deflect the flow of fuel emitted from the injector nozzle in an internal combustion engine, a plurality of deflecting surfaces on-said plate, said surfaces being of different degrees of angularity with respect to the axis of said nozzle and a nozzle and in close proximity thereto, for the removal of solid deposit.

9. In an internal combustion en 'ne in combination with a precombustion c amber an injector extending through the wall combination with a thereof, a deflecting plate having deflecting surfaces of various degrees of angularity with respect to the path of injection and adapted to deflect at predetermined angles, the flow of fuel from the injector nozzle, a scraper on said plate adapted to be moved across the face of the nozzle\for removing solid deposits therefrom, a manual positioning means and a resilient retention element for said plate, external to said engine.

10. In an internal combustion engine in recombustion chamber, an injector extendln through the wall thereof, a deflecting p ate having deflecting surfaces of several different degrees of anlarity with res ect to the axis" of the injector and adap to deflect the flow of fuel from the injector nozzle, according to the surface interposed in the fuel stream, a scraper integral with said plate adapted to be moved across the face of the nozzle and in close proximity thereto to clean said nozzle, and manually controlled means extending through the wall of said chamber for varying the relative position of said plate to said nozzle.

CHARLES B. JAHNKE.