US1163158A - Torpedo. - Google Patents

Description

VG. A. KNOX.

TOHPEDO.

APPLICATION msu JAN. 7, |915.

Patented Dee. 7, 191 f 3 SHEETS-SHEETI Illlllllllvlllillllll YG. A. KNOX.

TonPgpo. APPLICATIDN FILED MN. 7, MN5.v

Patented De'c. 7, 1915.

3 SHEETS-SHEET 2 ternally admitted impulse force.

, stated.

UNITED sTATEs PATENT OEEIOE. Y

GEORGE A. KNOX, OI WASHINGTON, DISTRICT 0F COLUMBIA, ASSIGNOR TO KENNETH ALFRED KNOX, OF CAIVIBIIRL'DGrE,A MASSACHUSETTS.

TORPEDO.

To all whom il: may Concern.'

. Be it known that l, GEORGE ALFRED KNOX, a citizen ot' the United States. residing at 3920 Fifth street northwest, ivashington, District ot Columbia, haveI invented new and useful Improvements in Torpedoes, of which the following is a specification.

My invention relates to improvements in automobile submersible torpedoes used in offensive and defensive warfare and its objects are: The removal from the outside of the torpedo oi all trip levers, lugs, or other projections t'orstarting the controlling and the actuating mechanism. The provision of Vstarting mechanism inclosed within and attached to the torpedo aiterbody shell,'or the bulkheads therein provided, for ope 'ating the torpedo starting piston thereby admitting liask air simultaneously to the gyro spinning mechanism and to the reduc* ing-valve connected to the superheater of the turbine actuating mechanism. rThe provision of a starting mechanism carried within thetorpedo body and properly positioned therein for operative actionvt-hrough an eX- rlhe provision of a mechanism inclosed within the torpedo case, body or shellv for starting the gyroscope spinning'mechanism and the tor- ,pedo turbine driving mechanism. The provision of a device by which the gyro spinning and torpedo propelling mechanism will be started, invariably before the impulse is given which discharges the torpedo from its spoon," tube or carrier. mechanism whereby the liability ot discharging a dead torpedois -fully overcome. To simplify the starting of the gyro spinning and the torpedo propelling mechanisms. To grpatly reduce the cost ot construction ot' 'mechanism for the purpose Other objects 'and advantages of my invention will appear as the' description proceeds. Y

I attain these objects by means illustrated in the accompanying drawings, in which:

Figure 1, illustrates a transverse Section ot' a torpedo showing, in section, my improvement applied thereto. Fig. 2 is an elevation of my improvement, partly in section, looking in the direction i-ndicated by Specification of Letters Patent.

Application led January 7, 1915. Serial No. 927.

The provision of Patented Dec. ',7, 1915.

the arrow in Fig. 1. Fig. 3 is a modilication showing my improvement adapted to operate a torpedo of a diilierent type. l is a sectional view Ot' a modiication showing the gyro'setter combined with my improved stari'ing mechanism. Fig. 5 is an elevational view Ot' a modificationn which the supply of compressed air for operating my stru-ting mechanism is carried in a receiver provided for thatl purpose and inelosed within the body of the torpedo. Fig. G is a sectional view taken on line VI on Fig. 5 and looking in the direction there indicated by an arrow. Fig. 7 is a sectional view taken lon line VII-VII of FiG; 5, parts being removed. and looking in the direction there indicated by arrows. Fig. S is a plan view ot a modification in which the torpedo vfiask air 7 is utilized to ope ate my improved starting mechanism. Fig. 9 is a sectional vview taken on line ITX-IX ot' F ig. S. looking in the direction there in dicat-.d b v the arrows. Fig. l0 is a sectional viewtaken on line X-.X of Fig. S, looking in the direction there .indicated bythe arrows. v Y ln the preferred torm shown in Figs l and Q each element is designated by its respective referencecharacter in both views and in the four modiiieations the salne reference characters are used, preceded by one hundred, two hundred.'three hundred, and four hundred respectively, to designate the correspondingl elements. n

The numerals 1 indicate parts of the torpedo case, shell or body. to the interior of which my improvement is secured by 4water tight connections in any suitable manner.

The number il designates a valve casing provided with a' packing gland 5. To the inner end of casing 4 a casing extension 6 is secured, having on its interior surface a stop 7 which limits the movementof a valve plug S when shoulder 9 on said valve plug 8 and stop 7 engage. The normal position of valve plug 8 is that wherein shoulder-9 and stop 7 are in engagement. The purpose of spring `10 is to hold valve plug S in normal position. Expansion spring l0 should bel suiiiciently powerful to Overcome the' water pressure at the depth the torpedo is intended to travel or to overcome the tor- Fig.y

pedo afterbody ejecting pressure.I Cap -11- is suitably secured upon the freeend of casing extension G. Yalye plug 8 has a solid head 12 at its outboard end-:indian eXtension or cage 13 extends inwardly 'troni said head 12. On the free end of" extension or cage 13 shoulder 9 is located.

Head' 12, shoulder- 9,".and plug 'extension or Cage 13 may he :nade integral o r theym inay be inade separately and assembled. Ex'- pansion spring 1() is located inside plug extension or cage 153. "One end of engages'spring seat 1l on the inside of cap 11. It -is not essential thatfvalve'plug shall 'be hollow, asshown, but such construe# tioiivniakes the device inoifetlrca'impact, and reducesueight. rIt is obvious, plug 8 might- 4 be solid throughout its entire length and spring 1'() might engage the end ot the plug. In that case, extension would be constructei'l ot' sutiieient length to accommodate'- springl() which, in the construction Villustrated, is housed inside i'alVeQplug exten?v sion or cage 13..

At a suitable point on valve -asingal an extension 1:5,..liai'ing an rairpassage therethrough, is located. The air passage thr iu ,rh extension 15 vconununicates with the inside ot' valve easing -L when unohstrueted by plingn 8. One end ot' pipe 2 1s connected with extension land the other end ot pipe'2 isifonf- Iiected witlia cheek valve box lo in roiiiifnu-r.

Piston ,1T isl losl iiication with cylinderh. cated` incyliiider A pistonV rod 1H is connected to the piston l'and extends through an opening provided theret'or` in cylinder head 19 which has preferably a water tight stuffing' box tor piston rod-18. \n expansion spring 20 surrounds piston rod 1H. (hie .end ot' spring 20 bears lupon piston li" and the 4other end bears `upon cylinder head, 1). f

The normal positionot piston 17 and pistony rod 1S is that iii which vpiston i7 is in engagement with stop 'p'inva in cylinder S. Cylinder 3 is suitably connected to thetor-l pedo and so located that piston rod IH. when projected. will strike start-ing pin l". lin l is a part of the torpedo and by ineans otinterinediate elements, when thrustA forward` actuates, the gyrb spinning' and torpedo propelling ineeliaiiisins in a uiaiiner well known to those skilled iii the art.

box 1G in such a nianner that, when air rushes through either pipe 2, valye 2l will be swung overrand instantly seall the inlet from the pipe 2 leading to the valve mechanism not in use. i

Connected to extension 15 is anotheiextension 23 havingr an air lpassage 23 tl1erethrough in communication with the air passage in extension l5 and the 4exterior ot the torpedo, but this passage is ii'oiii1ally -lcept f 1,163,158 i v i sp'ri'ngl 1'0" hears against head l2 and the otherend.

Closedby a conical reliet valve 2J: retained 0n its seat by i i eneircles, thesteni 26 oi.- valie, i-land the stein guide 2T.. [There ai'efsei'eral orifices 2!) through stein guide 2T which provide a pas! sage way troni the pipe system to the ex;

'Tte-rior ot'- thef-torpedo. This i'eliefialre is.

necessary to reduce the pressure in the pipe syste-ni sothat spring 2U can withdraw lpistonrod 1S froin engagement with starting `pinflmand thereby perniit tliejclosure-of thetlask \"a"l\'e previously7 openedlby startii'igf lpinL IPX Through aliniiig opening' in the torpedo tube, the torpedo spoon andthe torpedo body registering with-\'iili'e-1.liig 81anozzle'() which'isa part ot' a conduit leading to a. source otpower, niay be inserted.

'lh'espeeitic forni bf-iiozzleftornis ii'o-l'iartl ott-his invention.

It isapart ot' anotheiin-y lsentii-in.torwhich an application will -be 'tiled in the .near future. ."ln this applica-tion I` iiierely illustrate and describe a nozzle which operates iny. vstartingf deriee succes. lilly. Nozzle 30 is composed of atube in which a longitudinally iiiovable teleseopirally assembled..

Phi-nger ,ralrel has a solid eiidso t'orined` that when'iii iiorinal positionl (showna-t the let't in 'l `ig.f1.)' the outer tube ot' nozzleI-l) and thesolid end ot'. plunger valVeJ-il. to- `getlier. torni :Leone adapted to be seated in a..'eorrespoifiiliugi'ly shaped' conical ear-ity in the outboard end ot' rali'e plugr 8. ()n the is-:i shouli-ler.,33t-7 and upon'the extei'ior ot' the inner'. end oit-plunger valve :il there'is a 'shoulder327.v Interposed between the. shoulders and and surrounding plunger rallye 31 is an expansion springi. thetunetionipt' whiehis to niazintaiii the norinal po-` sition ot'. these parts.hereinbeloi-e.explaineih ln I figi.` l l hare shown two valve ni'ei'haf nisnis7 on'e on the starboard side of the tor-f pedo th'e other. onthe port-side Yot' theI` toran expansion spring whichiluneei valve 31 is Dedo. "lhese valve ineeliaiiisuis are identieal.'

in construction and--eaeh ot' theni is eoii'ii'eeted .by :i pipe 2 to the pistou euliuder Il.

It is to be understtiod that uiyiin'sentiou` is luliy enibodied in a siiiglea'iilreiiieehanisni connected with the` pistou iylinderbuttorpedo tubes, as generally constructed, in alifit necessary to provide a \'al\'e uiei'hanisui on eaeh side ol the torpedoso 'it may, be discharged vlroin either -the starboard or p .the port torpedo tube. o v

ln Fig. 2 the letter G indicates thel relative loratioii ot'I the opening-iu ,the torpedo body through whirli the gyro setter sha t't is manipulated.

ln Fig. 3 Y hare. shown a slightly inodilied t'orui which adapts the invention to operate a. well'knowii torpedoio't' a dill'ereuttype. ln this orin piston i'tylindeilO is placed verti 'ally .to so position piston rod [1S that shaped socket in valve casing Q04. Valve basin .204 is rotatably mounted 1n bracket a al connection 241. The openings 242 :aiiiord comniunication between the inside ot valve casing 204 and cylinder 3 by way ot coiniection 241 and pipefz as shown. i` alve plug 9.08, spring 210 and cap 211 correspond lwith and perform the same vfunctions as elements 8, 10, 11 respectively in Fig. 1. 243

is the gyro settingl shaft suitably connected with valve casing 204 so that they may be rotated simultaneously.

y Nozzle 230 is adapted to bel inserted into valve casing' i104 and both rotated to any extent desired. Gyro setting shaft 243 being` non rotatably connected with valve 'casing' 204 must also rotate, thereby, through intermediatemechanisms, well known to those Skil led in the art, setting the'gyro. As the gyro-setting mechanism is not a part of my invention it is not necessary to illustrate or describe it?, l

Elements 223, 9:24, 226, 227, 22S, and 220 are identical in construction and function with elements 23, 24,' 26, 27, 2S, and 20 in Fig. 1.

In the modification shown in Figs. 5, 6 and 7 valve .casing 304 carries a rotary valve vplug 308 having two passes or ports 353 and at right angles to each other leading from a central longitudinal pass or'port 355. Either of the ports 353 or 354 may be put in alineinent with a port 350 leading to air receiver 344. lVhen it is desired to lill the 4receiver port 352-5 should be put in alinei'nent with port 350 this will locate port 354 so that it is closed b v the blank wall or. valve casing 304 and the opening through extension 315 will be closed by the blank wall of valve lug 30S and at such time air may be p'uinplel into the receiver througlra conduit i adapted to be connected with plug 308 bya screw threaded connection 349 in the bottom o't' wrench socket 2351. In filling receiver 344, air is pumped through port 352, orifices in valve cage 2348, port 355, port and port 350. lrct'Qrably. when air sufficient to operate starting pin 1),, once, is condensed in rmfeiver 544. the conduit is disconnected. iscap-e of air troni receiver 344 is prevented because the conical stop valve will be pressedinto the seat provided 'for it, by the expansion spring 347 surrounding valve stein 346, and also by the expansion of the air in receiver 344. However,`it' desired, the internal air pressure on stop valve 345 may be prevented by rotating valve plug 308 through an angle of fortyd'lve degrees. The ports and 354 being spaced ninety dcgrees apart it is obvious that a rotation of but forty-tive degrees from charging position will so locate the ports 353 and 354 that they will be closed by the blank walls ot' casing 3,04 thereby placing ports 353 and 354 out of alinenient with port 350 leading to recei ver 344, thus closing port 350 and pre# venting any back pressure against stop valve 545 by the compressed air in receiver 344.

l'Vhenever port 353 isin alinement with tion with the elements 24, 25, 26; 27, 28s

and 29 in Fig. 1.

The inodiiication vshown in Figs. 8, 9 andl 10 is designed to be operated by the flask air oi' the torpedo.

Valve plug 408 having a wrench socket 451 in its outboard end is seated in valve casing 404. 'This valve plug has two ports 469 and 47 0 communicating with each other at the center of. theplug andextendingradially therefrom at an angle of ninety degrees and so located with reference to conduit 47:2

leading' to the flask and conduit 471 inv extension 4.15 leading to pipe 2 that communication between conduits 471 and 472 may be established or interrupted by rotating valve plugl 408- through an angleof ninety degrees. p

Valve case 404 'has an extension 406 through which projects' a prolongation oi .plug 408, the protruding end of which heilig provided with teeth, forms a pinion 460 in engagement with a. rack 46.1. Upon the end of the rack 461, remote from pinion 460, a piston 462 is secured to operate in cylinder 46S. Cylinder 468 is formed in an extension ot' valve casing 404. Between the head of cylinder 468 and the free end ot piston 46:2y an expansion spring 463 is placed. E tending from cylinder 468 and communicating therewith is a. cylinder 467 in which the air tight piston 465 is located. Piston 465 carries a piston rod 464 projecting through a. stutling box toward piston 462 in cylinder 468. Between the other side' of piston 465 andv the Lead of'cylinder 467 an expansion spring 466 is placed.

By means of an end wrench inserted into socket 451 plug 408 may be rotated through 4 an angle of ninety degrees to establish comv longitudinally,

i tl ask, and

sure rises in cylinder 467 sutii'c n'umication -betweenconduits 171 and l31.72. n account of the engagement of pinion 160 and rack 461, when -pluglOS is rotated, rack -l61land its-attached piston $462 Aare moved spring 1l63being compressed thereby. -i The `A`movement ot' piston 462 is sutlicient to .carry it beyond .piston rod 461, 'thereupon spring Jf66 expands andprojects `piston rod 461 ,under pi rf'piston in its elevated position with un- .on L62 thuslocking obstructed.. connnunication between the cylinder 4:67 and pipe'2, as shownthereby operating start'nig Apin, 1. lVhen presiently to com press spring 1166 piston rod 161 is withdrawn from 'engagement with piston 462, spring 462-3 en' )ands tachcdrack`461l to normal position thereby rotating pinion +6() and its attached plug valve 408 and interrupting the flow of .air from flask VThe relief val\'einecl1ai1is1n aetly the saine as the corresponding elements in Figs. l and 2.

v rlhe operation is 'as follows: Referring.

more particularly to Figs. 1'and 2, and assuining valve plug S is in normal position. as shown at the lelt in Fig. l, the conical end ot' nozzle 30 is seated in the conical cavity in the outboard end of valve plug L8 and then thrust inwardly; plug 8, nozzle 30 and plunger valve 3l traveling together` until they reach thc point shown by nozzle 30 1, whereupon air is is to thrust plunger .valve 31 forwardly7 carrying with it valve plug 8 beyond the openinginto extension l5, uncovering openings :l in plunger valve 31 and establishing;r coinnumication between the source of'power and pipe I2; valve 2 1, is swung from the dotted lineI position to thet'ull 17 and rod 1S are driven forwardly causing starting pin 51 to operate;` {Theair passing t'ronrthe source ot` supply into the coni pressure that it may duit is under such high besluit oil' and nozzle Il() may be withdrawn almost instantly aliter the `compressed air is admitted. Springs l() and l-l expand as soon as thesupplyair is turned otl' and return valve plugSanil plunger valve 31 to their normal positions. A ir is'allowed toi-scape from the pipe, -system eontimumsly through' the small port 29 but. the loss is so slight lit does not interfere ,with the instantaneous actuation ol piston I7; furthermorefas only two lil'tiis ol a second are required to secure full headI way t'or. theJ torpedo gyro spinning mechanism, a l'ler the 'forward action ot' piston 17 is completed. and as the -l'ull launchiup movement ol the torpedo tube is ell'ccted seconds therealter` it obvious that .the loss ol air through port 2S during the time the torpedo reinalns withcylinder 3 through conduit e171,

carrying piston l-162 and its atthus 428. and 429 then acts eX- linc position,' piston v 's'i'iinning mechanism will be l ger in the tube may be safely neglected, while the torpedo is beginning its run the escape of air is continuous, quickly reducing Ithe pressure in the pipe systein'g'suliiciently to allow spring 20.t'o return' piston 17 to its normal position. Spring inthe relief systemshould` be Strong'enough to overcome a pressureof approximately Yten pounds to the square inch and spring 20'in cylinder 3 should be somewhat more powerfuhso that spring l2O will act'hefoe the leakage of air ceases and spring 25 will stop the leakage 0f air before sea water can enter.

To operate the.- modification shown in Figs, 5, 6, and 7 a suitable releasing wrench is inserted into the socket 351 and given a turn, of ninety degrees ina clock Wise di,-

rection to establish .an` unobstructed passage from receiver 3&4 to cylinder 3; piston 17 andjthe piston rod 1S are projected instantly, driving` starting pin P forwardly accomplishing the object sought. Leakage from th ivsystem goes onas in the preferred form. i

ln `the operation of the modification shown in Figs. S, 9, and 10 plug valve L108v isgiven a quarter turn in a clockwise di# rection by a wrench inserted incal socket 451. The rotation of plug valve 4 08 establishes communication `between the iask and cylinder 3 and starting pin P isoperated, but when the pressure is suflieient to compress spring 466 the air is automatically cut otl' as previously explained by the rotation 'ot'lplug valve S to its normal position, lthe leakage. of air thelrtaking place as in the preferred-form.

From the. foregoing description it wi' be seen that'I have provided an automatically operating mechanism which does away with the present crude manner of .tripping the starting hookby a long rod manually Inanipulated or by the uncertain contacting f the hook with an inwardly projecting lug, in the ,torpedo tube, after the. torpedo hasv received the` impulse which. kdischarges it and when a failure ot the two parts to cngagc results in the total loss of. a torpedo without any possibility of accomplishing the` object for which it was intended. By my mechanism the turbine. driving and gyroriably, it' there is sulicient compressed air in-'the flask to drive-them.

'lorpedoes provided with my invention do not have the usual proiectiug hook or trigwhich is sometimes inadvertently tripped.- They are. smooth bodied and can be shipped, fully charged` without providing the special devices torpedoes now requirevto prevent lnei-ldlers from tampering with them. lt is praclically an impossibility to` `operatca torpedo equipped with my invention excepting by special mechanism, designed t'or the purpose, including the nozzle sta rted, inva.-

lie

shown or an equivalent construction, and the handling of torpedoes on shipboard is thus made safe, no matter how awkward or excited the crew may be through the heat of battle'. l i

Having thus fully described my invention. what I claim to be new, andjdesire to secure by Letters Patent of the United States, is

1. In a torpedo provided with an element for starting the propellingr mechanism and the steering control mechanism, the combination of a fluid operated element so located that when moved to operative position it will contact Ywitn and actuate the starting element of the torpedo, and mechanism to supply fluid under pressure to move said fluid operated element t operative position whereby the propelling and the steering con- ,trol machinery of the torpedo will be started.

2. 4In a torpedo hav'ing a starting element, the combination of 'a Huid operated element so located as to' contact with and operate said starting element, a conduit, connecting a source of fluidr under pressure vwith said fluid operated element and mechanism in said conduit for permitting and for stopping the flow of fluid to said fluid'operated element'.

3. In a torpedo having a starting element, the combination of a cylinder, a piston in saidv cylinder, a piston rod fixed to said pistonl and projecting through the head of the cylinder and so located that when the piston is operated the piston rod will contact with and actuate said starting element, a conduit connecting the cylinder to a source o f'fluid under pressure and a valve mechanism in said conduit for admitting operating fluid tothe cylinder to actuate said piston and for stopping the flow of said operating fluid after the piston has been actuated.

4. In a torpedo provided with an element for starting the propelling mechanism and the steering control mechanism, the combination of a fluid operated element'so located as to contact with. and actuate the starting element, a conduit connecting the fluid operated element with a source' 'of 'fluid under pressure, valve mechanism in the conduit for admitting operating fluid to tliefiuid operated element to actuate the starting element and for stopping the flow of operating fluid to the fluid operated element after the starting element has been actuated, and a relief port in the conduit for the escape of actuating tluid'from. the conduit to reduce the pressure sulliciently to permit the startingelementof the torpedo to return to its noi-nud position.

In lcoinbination with the starting element of a torpedo, means to positively displace the starting element, including a fluid actuated element whose movement is transmitted `to the starting element.

6. rlhe combination with a torpedo of -a mechanism inclosed within the torpedo body for starting the propelling and the gyrospinning machinery and means insertible through an opening through the torpedobody7 to supply fluid under pressure for operating said mechanism whereby said machinery is actuated.

T. In a torpedo provided with a starting element, the combination of a cylinder having a piston therein for actuating said starting element, a conduit leading from said cylinder, a valve casing in said conduit, a valve plug therein and means connecting said valve casing to a source of power, said means including a nozzle for operating said` valve plug when fluid is admitted to said nozzle.

8. In combination with a starting element of a torpedo, mechanism comprising a 'cylinder having a piston therein, a conduit connecting the cvlinder with a source of power and a valve mechanism in said conduit, whereby the starting element is actuated by the piston when fluid under pressure is admitted into the cylinder by said valve mechanisin.

9. In combination with a torpedo provided With. a port or opening in the shell thereof, a valve easing within the torpedo bodyattached to said shell to register with said port or opening and a valve within the casing normally positioned to close the porty or opening in said torpedo shell toexclude fluid therefrom.

10. yIn combination with a torpedo provided with a port or opening in the shell thereof, means properly positioned within the torpedo for actuating its starting element, a valve casing within the torpedo body' attached to ythe shell to register with said port or opening, a valve within the casing normally positioned to close the port or opening in said torpedo shell, a conduit connecting said casing with said means for actuating the starting element of the torpedo and a relief valve properly positioned to allow the escape of fluid under pressure from said conduit. t

11. In a torpedo provided with a portor opening in the shell thereof, the combination of means foiL`actuating the'starting element of the torpedo, a valve casing within the torpedo body attached to said shell to register with said port or opening, a conduit connecting said casing to said actuatingv vJe the torpedo whentluid under vin the torpedo body attached into said conduit, said lnient of the torpedo opening, a conduit forv conductingwiiuid under pressure connectingsaid cylinder tosaid Valve casing,'and a controlling mechanism in said valve casing. v y

J3. In a torpedo providedwitli'av port or opening in. the shell thereof, lthe combination of a cylinder, a piston in said cylinder, means carried by said piston for actuating the starting clement of the torpedo when Huid under pressure isadmitted to said cylinder, ayalve casing within the torpedo body attachedfto the torpedo shell to register with said port or opening, a conduit for conducting fluid., under lpressure connecting said cylinder to said valve casing, a controlling mechanism in said valve:casingfor admit- Y pressure into said conduit andI ai relief mechanism through, which said fluid lunder pre sure 4in said conduit mayescape. 1 f

14. Ina torpedolprovided witlra port` or:

opening, the combination ofa cylinder, a piston in said cylinder, means carried by said piston 'for' actuating the starting element of mitted to said cyli1ideray Valve casing withregister with said port or opening, a conduit connecting said' .valrecasingfwith saidcylinder, a controlling'inechanism in sahidvalve' casing foradmitting .fluid under. pressure into said conduit, said mechanism including av .valve normally positioned to exclude. fluid from said conduit.. y

l5. In. a ltorpedo provided withl a port or opening, the ycombination of, a .cylinder, a piston in said cylinder, means carried by said piston. for actuatingtlie starting element 0fthe torpedo when fluid under pressure isadmitted to said cylinder,y a valve. casing within the torpedo body attacliedvto the shell to opening, a conduit casing for admittingv iluid under pressure mechanism including a valve and means controlling its position whereby fluid` isgnormally excluded. from said conduit.

l(3. ..In a torpedo `provided with' a port or opening, the conibiiiationof a cylinder,` a piston. inlsaid.A cylinder, means carried by said piston for actuating the starting Aelewhen Huid under pressure is admitted to said cylinder, a Valve `casing within .the torpedo body attached. to,v the shell toregister with said port or opening, a vconduit connecting said .valve casing jected'to the action of 'with saidfcylinder, a controlling mechanism inl said valve casing for admitting fluid under pressuieinto said conduit said mechanism including a valve and' meanscontrolling the positonof said valve when subflid under pressure.

The combination of two valve mechatheend'of the t 1S. .The ycombination of two 'yalye mechaa piston therein,

.pressure is adto the shell to lof the starting a. piston therein, a conduit leading' from the incense nisms,a check. valve box with .which -both.

-i-'alre mechanismsare connected, a check Valve in said cheek valve box, al cylinder nected to said-piston and projecting through clil-'linder f nisnis, a clieclrvalve box-witlrwliich both 'valve mechanisms-are connected, a check valvein said check. valve box, a cylinder connected with saidwlalve box, a piston in said cylinder, a .piston rod .connected to said pis- 4ton and projecting through the end 4of Said cylinderA and ,means for connecting either valve mechanism with a source of power.

19.` In ajtorpedo, the combination of a means for Starting mechanism within the torpedo and means to control, the operation of the starting means including a cylinder, a conduit leading fro-ni the cylinder to the shellof thetorpedo anda Valve to normally close the 'entrance to the conduit from the exterior of t-liershell. 20. In a torpedo thel combination of a meansffor starting mechanism Within the torpedo and means Juofcontrol the operation means including a cylinder,

cylinder. to a soiirceof fluid under pressure anda valvefto normally' close the conduit and a tube leading from the. valveto an opening-"in the torpedo shell through which the Valveinay be operated to admit fluid under pressure to the cylinder.' Ain a torpedo provided with a'A starting element, the combination of a piston in said cylinder starting ele1nent,'a conduit'for conducting fluid under pressure to said cylinder from av source exterior to the torpedo, 'a valve casing in said conduit and av said casing normally positioned to exclude lluid from said cylinder.

22.- The combination in a gyro spinning and 'torpedo propelling mechanism` starter,

cylinder, a for actuating Said valve plug -in of a valve inechanisim'a. conduit connecting f said Ivalve nieclianisnr to said starter, a relief device in' said conduit comprising a port, a` valve for yclosing the port and a spring for seating said valve.

23.'In a torpedo. the combination'.v cfa l cylinder, a piston therein, said piston' in ing,I a conduit a .Springto hold normal position, a valvecasconnecting the cylinder and the valve casing` a reciprocatable valve plug in the valve casing, a spring to hold the valve plug in normal position,

the conduitand means for reciproca-ting the v alve plug whereby communication isestabvlished between the. cylinder v4and a source of power and thep'iston projectedfertile 'purpose shown andv described.

24. In a torpedo provided with a starting` element the combination of a starting mechaa `relief ldevice in I 1,163,158 A if nisxn including a cylinder, a piston therein for actuating the starting element ancl a conduit connecting the cylinder with a source of fluid under pressure; eontrolling mechanism in said Conduit oox'nprising a rotary valve casnghaving a valve plug therein and a gym-setting Shaft connected to said valve casing whereby 'when the valveeasing is rotated the gyro-sexting shaft is likewise rotated. y

25. 1n a torpedo haring a starting. ele- Inent,.the combination of a cylinder haring a projecting piston, a rotatable Valve easing, a conduit connecting the cylinder and the rotatablek valve Casing, a gym-setting shaft connected with the rotatable valve easing7 a valve in said valve easing to control the flow of fluid to the cylinder whereby the piston is actuated to operate the starting element.

26.111 a torpedo the combinati-@n of a piston in the first cylinder to serre as a Stop.

therefor.

In vtestimony whereof have signeflinj-g naine to this specification? 1n the presence ot two subscribing Witnesses- @ESR "E KN.

l.Witnesses FRANK DUNmiraron7 CHARLES l?. lanen.,

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