US1707037A

US1707037A - Control of trains

Info

Publication number: US1707037A
Application number: US32004A
Authority: US
Inventors: Angus Arthur Reginald
Original assignee: Individual
Current assignee: Individual
Priority date: 1922-06-17
Filing date: 1925-05-22
Publication date: 1929-03-26
Anticipated expiration: 1946-03-26

Description

March 26, 1929. A. R. ANGUS CONTROL OF TRAINS Original Filed June 17. 1922 2 Sheets-Sheet 2 irE/vra/e Patented Mar. 26, 1929.

UNITED STATES ARTHUR REGINALD ANGUS, OF WESTMINSTER, ENGLAND.

vCONTROL OF TRAINS.

Uriginal application filed June 17, 1922, Serial No. 569,125, and in Great Britain February 12, 1920;

Divided and this application filed The invention forming the subject-matter of the present application for Letters Patent, which is a division of my application iorlietters Patent Serial No. 569,125 filed 17th June 1922, relates to electrical traiii-controlling apparatus and includes the various features set out in the clain'iing clauses hereof.

'llheinvention is illustrated by the accompanying drawings of which Fig. 1 is a diagrainmatic representation of electrical apparatus carried by a train and Fig. 2 1s diagrammatic representation illustrating a modification of the apparatus shown in Fig. 1. 1 l

i-i ternating current from the means external to the train-tor example track rails or a special conductorinduces corresponding alternating current 111511 induction device 1 1) which, if contacts 3 and 12 carried by but insulated from a switch arm 4 adapted to be in one or the other of two different positions in accordance with the direction 5r runningot the train (as by being connected with the reversing gear of the locomotive) are in contact with contacts 5 and 11 respectively (the reversing gear of the locomotive being set say for the down journey), flows by way of a wire 2, the

contacts?) and 5, and a wire 6 to a coil 7, thence by way of a wire 10, the contacts 11 and 12, and a wire 13 back to the induction device 1; a condenser 7 acrnss the wires .6 and lOasshown is oi such value as to render this circuit resonant at a frequency corresponding to the :l'requeucy ot the inducing alternating curront-for cxan'uile, a frequency of six cycles per second-supplicd for the purpose enahling a train lo proceed on the down ]ourncy. llhe coil 7 is pivoted between the poles 8 and 9 of a permanent magnet so as to be oscillatable by the induced alternating current and when oscillated by current of the resonant frequency, an arm 21 fixed to the coil 7 and carrying an insulatcd contact 22, causes the latter to make contact alternately with contacts 23' and 24,

so that current flows alternately from a generator 25 byway of (a) wires 26, 27, 2S, and 29, V thence by way of wires 31., 33, and 34, the

contacts

23 and 22,

wires

35, 36, and 37 back to the generator 25, and (5) the wires 26, 27 and 38, and a wire 59 to an elcctrir the value of each of which 3 connected the generator 25.

to an electrolnagnet 30, and

May 22, 1925. Serial No. 32,004.

magnet 40, and thence by way of wires 41, 43, and 44, the

contacts

24 and 22, and the

wires

35, 36, and 37 back to the generator 25. The clectron'iagnets and 40 are rendered slow-acting by being shunted with noninductive resistances 32 and 42 respectively, is such that the armatures 47 and 51 of the clectromagnets 30 and 40 are held against their respective contacts 48 and 50 as long as the coil 7 continues to oscillate at a suitable speed; consequently current flows from the generator 25 by way of the wire 26, wires 45 and 46, the armature 47, the contact 48, a wire 49, the contact 50, the armature 51, wires 52 and 53 to an electroniagnet 54, thence by way of

wires

55, 57, and 58 and the wire 37, back to the generator 25. The elcctromagnet 54 is also rendered slow-acting by being shunted with a non-inductive resistance 56, the value of which is equal to or approximately equal to that of the coil of the clectro nagnet 54. The energization of the electromagnet 54 causes its armature 60 to make contact with a contact 61 and a circuit is thus completed from the generator 25 to an electromagnet 63 which is adapted when energized to prevent its armature 65 which constantly tends to cause the production of a warning operation or a stepping operation on the train from causing the production of a warning operation or a stopping operation, the current flowing from the generator byway oi the wires 26 and 45, a wire 59, the armature 60, the contact (31, and a wire 62 to the electromagnet 63, thence by way oi? wires (34 and 58, and the wire 37 back to Thus the restraint of the iiro'duction oil a warning operation or a stop ping operation is effected on the train as long as the coil 7 continues to oscillate, which will be the case as long as the circuit of the coil 7 receives alternating current of the trequencyfor which it is resonant.

If the reversing gear of the train is set for the up journey the switch arm 4 is in the position in whichits insulated contacts 3 and-12 make contact with contacts 20 and 14 respectively but not with the contacts 5 and 11 respectively and the restraint of the production of a. warning operation or a stopping operation is effected correspondingly on the train it the alternating current supplied to the t "ain from means external thereto isiof' the .freqnency for enablin a, In the exampleshowrr in Fig.1 there are I train to proceed on the' up journey; this requency differs from that used for the-down j urney and may fon-examplc, besoneaof;

eight cycles per second. For the up journey ofa train the current induced in t-h'ei'nduc end elfiev b wa effi ew r git-ha contacts 3 and'20, a nd a wire 19to a co l 1C thence byway of awire 15; the contacts 14 and 12V, and a wire 13 back to the induction. 7 e i e e send ret nee e we s he 423 3. 5 and. a h im' echa.

value as to give this circuit a resonan't free quencyj corresponding to the frequency of the inducing alternat ng current suppl ed;

for, the w purpose of enabling .a train to' pro,- ceed ontheuppjourney, The coil 16 is pivoted'between' thepoles 17 and18;.ot a v permanent magnet so as to'beoscillatable by the induced alternating current and when oscillated by. currentof the resonant. fre:

quency ,an armf 66, fixedto the. coil 16 and i carrying. an ms'iilated contact67, causes the V latter .to make contact alternately with. cont net 1 to h lect omag ets u 0 inn-manner similarto thatdescribedwith tacts, .68 69, so that current is supplied reference to thehdown journey, wires 71, 7G and .72 for the. up journey. corresponding respectivelytoathe wires j 35, stander for. v .the down .journey, a-nd consequcntly-thehrestraint of a Warningoperati-onor a stopping operation. is effected on the train .in a manner similar to I that described for the down jour y If tlie resonant .-f1'ei1nency of the circuit to] which the induction device l is connected by I the. switch .4 different from the. freq eney it: the d e e lter ati g.

rentf-i. e iifthe train-is not set for running. 1 in.the direction in which it is intended that 'it should runthecoil; 7 or 16 as the case maybe does not oscillate .so asto enable its 7 contact 22101167 tQII l a ke contact alternately with-.contactS .23 and 24 or.with contacts. .68;.and 69,- respectively, so that the produc-. tion of a Warning operation or a-stopping operationg is not restrained on the train,

; The restraint ofthe productioncf awarn-.

ing operation ora stopping operation is not effectedon the train if'the' arm 21 01-66011:-

the coil 7 or 16 whichever is in circuit with the induction device. 1 remains steady either (a) midwaylbetweendts respective contacts or (b) infcont-act with-either one of them since in case (a)ineit her of.-;the, electromag ts. wand. 4Qwil be en rgize-d and inicase (6) only oneof the electromagnetsg-SO and 4Q Will be energized, the restraint only being. efi'ected, whenithe ,arm 21 r.:66as the. case, may be oscillates at. the. irequency; for. which.

the circuit,of ;its coil 7 013.16 vis.made;:reso:

nant, so as. alternatelyto make contact with.

1 5 its {respectiveicontacts .asahereinbefore described.

duction device 1: alternately according to the direction of travel of the train by the switclr arm 4 and have respective inductancesand capacity devices 73 and 7 4 adapted forattuningto the two frequencies employed. According to the modification illustrated by Fig. 2, there may be

asingle polarizedrelay

87, 88, 89 and the switch arm 4..be, adapted to inclu'gle in-circuit with the relay and the device 1 one or the olhcr of two means as condensers.90 and Jlof ditferentcapacities, adapted to attunc ihc circuit; of the relay toone or the other of the two frequencies according to the direction of travel of thet-rain. As shown in Fig. 2, theswitch arm fl is adapted when the train is travelling inoncfdireotion to cause the contact 3;-toibe\in contact with a contart 95 andacontact 92 carried by the switch arm ibutinsulated therefrom to be in contact with

contacts

93 and 94 and thus to include thecondenser 90 in circuit parallelly with the relayand the device 1, and when the train .is travelling in the. op osite direction tocause the contact 3 to be in contactwith acontact-98 andv the contact 92 to be in

conactowithj contacts

96 and 97 and thus to include the. condenser 91 parallelly in circuit with the relay, and. the device l.-

Inorder. to prevent the armature 65 from beingtampered wit-h after-it has assumed its dangerrposition (after, it may be, it has opened. thebrake pipe) and in order. nevertheless that the driver. may be automatically enabled to restart the train wheirit is again satisfactory for the train to proceed the armature 65 and anypart whereby it could be operated by aloca-l source is enclosed, as shown in broken lines on Fig. 1, in a locked box and means are provided for ensuring that when the armatureis in a danger posi' tion it will bcin such. a position as to be attracted into a line-clear position by its magnet. (in whichit will close the previously opened brake pipe).

In thecaseof the example of apparatus shownin Fig. 1 and the modification thereof illustrated by Fig. 2 it should be arranged that-the coils of the polarized relays (Fig. 1) or the coil of the polarized relay (Fig. should not be adapted to be oscillated as the result of the vibration of the train at a speed suitable formaintaining the .energizution of the slow-acting electrolnagnets 30 and 40.

The. induct-ion device 1 (Figs. 1 and 2) is diagrammatically represented as a single coil only but in. order to obtain the best resultsthere should be placed on the locomotive and also if required on a vehicle or vehicles attachedthereto a number of coils which may extend all along the. locomotive and should be placed as close as practicable lit) to the track rails and/or a conductor ar-V ranged close thereto and of course on both sides of the locomotive if the rails on both sides of the track are to be employed.

Conductive means such as one or more than one brush, contacting device, or shoe, may be placed on the locomotive and also if required on a vehicle or vehicles attached thereto so as to be in contact with track rails and/or one or more than one axle and/or with wheels or with special conductor ad jacent to the track rails whereby current may be received conductively by the train apparatus and effects and operations may be thereby produced on the train after the manner hereinbefore described.

l l hen the invention to be used in con nection with electric trains, if continuous imidirectional current is used for propulsion, alternating or pulsating unidirectional current may be used for the train-con trolling current; and if alternating or pulsating unidirectional current is used for propulsion, alternating or pulsating unidireo tional current of a freqi'lency or frequencies different from that used liurpropulsion may be used for the train-controlliiur current; and any known means may be employed for preventing or limiting interference between the propulsion current and the currents used for the purposes of this invention. Except in the cases in which a special con (luctor adjacent to the track is employed for the purposes of this invention in lieu of traclrrails, the current or currents supplied to the train for the purposes of this invention is or are preferably supplied by means of transformers or induction coils preferably at higher voltage or voltages than the propulsion current.

hat I claim is l. lillectrical t ai1rcontrolling apparatus comprising on a train oscillatory means adapted to he oscillated when suitably energized and when so oscillated to give clearaucc to said train and a dircction-corrospending: part adapted to occupy two different p sitions according to opposite directions of running of said train and adapted in each of said two positions to cause said mediator-y means to be responsive to at current of a frequency not suitable for the onergimtion of said oscillatory means in the case of the occupation of the other of said two positions by said direction-correspondinc; part.

2. Electrical train-controlling apparatus coinpriing on a train an oscillatory means adapted when suitably energized to have its movable portion oscillated and by suitable osci lations of said movable portion to give clearance to said train and a direction-corresponding part adapted to occupy two different positions according to opposite directions of running of said train and adapted each of'said two positions to include in each of said two positions to include said oscillatory means in a circuitof such resonaucc as to enable said oscillatory means to be slilitably energized by a current of a frequency not suitable for the cnergiinition of i'itid oscillatory means in the case of the occupation of the other of said two positions by said direction-corresponding part.

Electrical traincontrolling apparatus cranprising on a train an cl*ctromagnetic controlling means adapted when effectually energized to restrain the production of a dan go r-indi cat ing means adapted when suitably euergizcdto have its movable portion lllatcd means adapted to cause said eloctromaguetic controlling means to be effectually ener ized only by the continued oscillation"of said movable portioin and a direction-cures 10nd ing part adapted to occupy two different positions according to opposite directions of running of said train and adapted in oscillatory means in a circuit of such re onance as to enable said oscillatory means to be suitably energized by a current of a fre quency not suitable for the energization of said oscillatory means in the case of the occupation of the other of said two positions by said direction-corresponding part.

4. Electrical train-controlling apparatus comprising on a train an electromagnetic controlling means, two slow-acting relays adapted, only when. both are continuously effectually energized, to cause the continuous energization of said electromagnetic controlling means, an oscillatory means adapted when suitably energized to have its 1novable portion oscillated and by sufficiently rapid successive semi-oscillations of said movable portion to cause energy to be impai rod to said slow-acting relays alteriultcly sullicicntly rapidly to cause them both to be continuously olljectually one ed and a dil'GClll()lhUUlfl'Ull])(llltllilg part adapted to occupy two different positions according to om osite directions o E running); of willll train and adapted in each of said two po. 'ons t include said oscillatory means in a circuit of such resonance to enable said oscillatory means to be suitably eiiergized by a current of a frequency not suitable for the encrgization of said oscillatory means in the case of the occupation of the other of said two positions by said direction-corrcsponding part.

5. Electrical train-controlling ap niratus comprising on a train an electromagnetic controlling; means, a first slow-acting relay adapted, when continuously effectual ly enorgizcd, to cause the continuous encrgzjization of said elec'troina gnetic cont-rolling; meals, a second slow-acting relay anda third slowacting relay adapted, only when both are continuously effectually energised, to cause the continuoi'ls effectual encrgization of said operation an oscillatory llfl lit)

firstisloweacting relay, and an'oscillatory' means adapted vto have its movable portion oscillated by electricity passing, through said oscillatory means and by sufficiently rapid successive semi-oscillations of said movable portion to cause energy to be imparted to said: second and third slow-acting relays alternatelyvsufiiciently rapidly to cause them bot-h to; be continuously effectually ener- "gized.

- portion oscillated and bysufiiciently rapid successive semi-oscillations of said movable portion to bringcsaid slow-acting'relays alternately into circuit sufficiently rapidly to cause them both to bencontinuonsly effectually energized, andza Y direction-correspond- 'ing partadapted to occupy two dilferent positions accordingto opposite directions of running of said train and adapted in each oi said two positions to include said oscillatory means in acir cuit ofisuch resonance as to eliable said oscillatory means to be suitably energized by'a current of a frequency not suitable for the energization of said oscillatory means iii-the case'ofthe oecupation'ot the other of said two positions bysaid direcnon-corresponding part.

7J1 Electrical train-controlling apparatus comprising on. a train an electromagnetic controlling means, a first'sloW-acting. relay l(l1pt(5d,-'Wl18I1 continuously effectually energized; to cause the continuousenergization of said electromagnetic controlling means, a second slow-actingv relay and a third slow-acting relay adapted, only when bot-h are continuously effectually;energized,

-V to cause thecontinuons etlectual energizalion of said firstv slow-acting 'reilay,'--and an oscillatory meansadapted tohave its movable'portion oscillated by electricity passing through said oscillatory means and by sufiiciently rapid successive semi-oscillations of said movable-portion to'bring said seeond'and third slow-acting relays alternately into; circuit sufficiently rapidly to cause them both to he continuously-ellectr u ally energized. j Y

8; Electrical train-controlling apparatus comprising; on a train anelectromagnetic controllingmeans, slow-acting relaying means adapted only when given electrical impulses with sufficient rapidity to cause the continuous energiz'ation of said electromagnetic =controlling means, and an oscil-= latory means' adapted ,to have its movable' portion oscillatedby f electricity passing through said oscillatory means and only. by the oscillation of-said movable portion to give to said relaying'means electrical impulses as required to cause the continuous energization of said controlling means.

9. Electrical train-controllin;g apparatus comprising on a train an electromagnetic controlling means, slow-merinorelaying means adapted only when regularly alternately ciose-circuited and opcn-circuiled with suilicient rapidity to cause the continuous er rgizai'ion ol. said electromagnetic cont-rol ing means, and an oscillatory means adapted to have its movable portion oscillated by cl ctricity passing through said oscillatory means and by the oscillation of said movable portion to close-circuit and open-circuit said relaying: means alternately as required to cause the continuous energization oisail controlling means.

10. Electrical train-controlling apparatus comprising one train an electromagnetic controlling means, two slow-acting relays adaptedfonlywhen both are continuously effectually energized, to cause the continuous energization of said elmrtromugnetic controlling means, receiving means arranged to be electrically energizable from without said train, and an oscillatory means adapted. to have its movable portion oscillated only by the'passage of low frequency current through said receiving means and by suiiiciently rapid successive semi-oscillations of said movable portion to cause energy to be imparted to said slow-acting relays alternately sntficiently rapidly to cause them both to be continuously eifectually energized.

11. Electrical train-controllin apparatus comprising, on a train an electromagnetic controlling means, tu'o slow-action relays adapted, only when both are continuously eilectually energized, to cause the continuous cnergization of said elecl'rimnurnetic COlll'l Olllllg means, rcceiving means arranged to be electrically energizable from Without said train, and an oscillatory means adapted to have its movable portion oscillated only by thepassace of low frequency current through said receiving means and by sullieiently rapid successive semi-oscillations. of said movable portion to bring said slow-acting relays alternately into circuit sufficiently rapidly to cause them both tobe continuously eiiectually energized.

12. In train control system, a polarized relay, two contacts, an arnnitnreon said polarizcdrelay alternately closing'said contacts, a slow-actingrelay controlled by each oi said contacts, and a set of relays jointly controlled by said slow-acting relays. U

Signed at New York city, N. Y., this 19th day of May, 192:").

ARTHUR REGINALD ANGUS.

Ill?)