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J. K. DELANO. summa Device Fon INTERNAL coMsusImN Mams. APPLICATION ELLED DEC. 9,A "

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M @ttor/Mms JAMES EEELANG, ÜF 3h STARTING DEVPÍCE FOP; ÍNTEEÃHQL-CÜMÍSUSTÍEÜN ENGÍNES.

1337,88?. Speciñcetion of Letters Patent. Patented Apr. 20, 1h20. Original_applícation filed April 17, 19ï5, Serial No. 22,985. Divided and this application ñled December 9, 1916. Serial No. ‘136,115 To all ’whom ¿t ’may concern: _ . e 1t known that'ï, JAMES la. DnLANo, a ' sents diagrammatically the circuit relations citizen of the United States, residing at ot' the various parts of a system embodying >New York, in the county of New York and the invention hereinafter claimed. State of New York, have invented certain .hei’erring to said drawing, l0 is a con new and useful Improvements in Starting ventional representation of an internal com 60 Devices for Internal-Combustion Engines; bustion engine of any suitable type, geared and I» do hereby declare the following to be as by sprocket 11, chainl12, and sprocket a i’ull. clear, and exact description of the 13, to the armature shaft 14 of a dynamo 10 invention, such as will enable others skilled motor whose armature is indicated at 15. in the art to which it airipcrtains to make rÃ‘he armature shaft also carries pinion 1G and use thc same. meshing with a revoluble distributer gear This invention relates to starting devices 1T. The poles ci“ the dynamo motor, of for internal combustion ei'igines; and it corn wh ch one is indicated at 1.8, are provided 15 pr'ises more particularly an electrical crank i three separate windings 1S), :20, and 21. ing and ignition system useful in connec riding 19 consists of a few turns of heavy 70 tion with gasolene or other internal com wire and constitutes a series winding. 20 bustion engines in automobiles and other is another series winding consistingioiVl a motor vehicles. greater number o‘lì turns than winding 19, , but wound in the same direction. rl‘he two 20 The invention has to 'do chiefly with that series windings class of power systems in which an internal are operated in parallel, when the electric machine runs as a motor 7.5. combustion engine is employed to propel in starting. the running gear of a motor vehicle, and in lilinding 1.9 is cut out oiI cir~ which a dynamo electric machine is ar cuit when the machine operates as a gener 25 ranged .for connection to the shaft et the ator, the resistance of the series field wind internal'combustion engine in such manner ings being therefore increased. 21 is a as to be operable either as a motor `for 'the shunt winding, connected across brushes 22 purpose of initially revolving the engine and 2S, its vdirection of winding being op shaft to start or crank the engin-c, or asà a posite to series field windings 19 and 20 30 generator driven from the engine shaft when machine is generating. Lead 24 after starting for the purpose of storing up connects series winding 19 to switch con 85 electrical energy in a- storage battery or the tact g' while lead 26 connects series wind~ like, such stored up energy being thereafter ing 20 to switch contact 27. . ‘ available for operating the dynamo electric ¿it QS is indicated a storage battery which 35 machine as a motor to start the internal Vsupplies electrical energy for operating the combustion engine, and tor supplying cur electric machine as a i'notor when vstarting 90 rent to an ignition system and, optionally., the engine, and which receives energy from to a lighting system.- . J¿he electric nrachine when the latter is driven A system of this general character is de~ _ by the engine as a generator. The battery 40 scribed in my prior applicationl Serial No is connected on one side by lead 21;) to brush 22,085, tiled April 17, 191,5, and the present 23 of the dynamo motor, and to ground as application, which is a division of said prior at 30; while lead 31 lcom'iects the other side application, relates more particularly to the of the battery to switch contact 32. arrangement and operation ot’ the ignition 'li/leans are provided tor controlling cler 45 system in conjunction with the other parts trical connections of the storage battery of the system. Brieíiy described, 'the yin to the dynamo motor. Fluch means comprise 100 vention hereinafter claimed comprises an inïthis instance a switch nien'iber 33 mount arrangement in which vprovision is made ed upon but insulated Yfrom a longitudinally for permitting an increased dow oit' current shiftable rod or shat't .5st, which is here 50 shown in its neutral position, that is, in through the ignition circuit while the en such position as to entirely disconnect the gine is being started. battery from the dynamo motor,- By push~ 105 In order to clearly explain the principles ing on knob 35 the switch member may underlying the invention, an especially ad~ be moved against the resistance of spring vantageous form thereof is illustrated in 5,5 the accompanying drawing, which repre 36 so as to make a bridging connection be tween switch contarts 27 and 32 on the one 110

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against knob or pedal 35, which may be shatt is adapted to drive or to be driven conveniently located on the dash board by an internal combustion engine, and a where ’the system is employed in a motor storage battery arranged to supply current vehicle. As here shown, the switch is auto to said dynamo motorwhen the latter oper 40 matically returned by spring 3G from start ates~as a motor, and to be charged from said ing position to neutral position as soon as dynamo motor when the latter is driven as knob 35 is released; and a spring stop 55 is a generator, ot' an ignition system for such ar 'anged to engage a notch in the-rod 3l engine arranged to take current from said to yieldably hold the switch in neutral po battery, a resistance disposed between _the 45 10 sition. By pulling on knob the switch battery and the ignition system, a shunt may' be moved into running position, the around said resistance, and control means stop 55 now engaging another notch on the whereby the circuit connections between switch rod to hold the switch in ruiming said battery, ignition system and dynamo position. _ motor may be varied according to Whether 50 “'hen the switch is moved into intermedi the engine is being started, is ruiming nor ate or neutral position, both the ignition mally, or is at rest, said control means com system and the dynamo motor are discen prising a longitudinally reciprocable con nected from the battery, as stated, and the ductive switch member movable into “ start engine will come to a stop if it has been ing” and “running” positions, correspond 20 previously operating. No current can now ing to the opposite extremes of its travel, flow back into the dynamo motor circuit, and into “(i’ti" position intermediate such the described arrangement doing away with extremes, a plurality ot' double Contact mem the automatic reverse current cut out com bers so arranged‘tlnit, in both starting and monly employed in starting systems here running positions oil said switch member, 60 tofore proposed. ' said battery .s connected to said ignition It is to be understood that, while a spe system through said resistance and also to cific type oi’ dynamo motor and also special said dynamo motor, and another contact switch means have been described for pur member whereby, when said switch member poses ot illustration. the invention is not is in starting position, the battery is also 65 limited thereto but is oi' general applica connected to said ignition system through tion, within the scope ot `the appended said shunt, said switch member, when in claim. its intermediate or “olif” position, engaging 'll'hat l claim is: none ot' said contact members. ln an electrical system for use with in ln testimony whereoil I hereunto ailix my ternal combustion engines, the combina signature. 70 tion, with a dynamo motor whose armature JAMES K. DELANO.