US1098226A - Magneto. - Google Patents

Description

W. CASEY &z I. LESSES.

MAGNETO.

APPLIUATION PILED YEB.15, 1913.

1,098,226, Patented May 26, 1914.

3 SHEETS-SHEET 2.

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W. CASEY & L LESSBS.

MAGNETO. LPPLICATION PIL BD TER. 15, 1913.

Patented May 26, 1914 3 SHEBTS-SEEET 3.

UNITED STATES PATENT OFFICE.-

WILLIAM CASEY AND ISAAC LESSES, OF KINGSTON, ONTARIO, CANADA, ASSIGN OF ONE-HALF TO JOHN J. EARTY, OF KINGSTON, CANADA.

MAGNETO.

' Speciflcation ot Letters Patei't.

Patented May 26, 1914.

Application filed February 15, 1913. serial No. ?48,702.

To all whomt may concern:

i Becit known that we, WILLIAM CABEY and ISAAG Lsssss, both subjects of the of Great Bi-itain, and -residents of Kingston, in the Province of Ontario, Dominion of Canada, have invented a neWTnd Improved Magneto, of which the following is a full, clear, and exact description.

This invention relates to a high-tension magneto characterized by an entirely inclosed structure,-whereby exposed wirng is done away with, the mechanism being therean arrangement of parts whereby the cur rent is delivered at maximum i'ntensity over a long range, due to the relaton of the ar i mat-ure' and primary circuit breaker when the parts are adjusted in advance or retard position.

, ;The Construction set forth presente numerous advantages which will appear as the detailed description thereof prgceeds.

Reference is to be had 'wf a'ccompanying drawings forming a part of this specification, in which similar characters of reference indicate eorresponding parts in all the views, and in which- F'gure 1 is a vertical .sectional vew of the mechanism; Fig. 2 is a top plan view' partlj' broken to show the'underlying structure; Fig. 3 is' a sectional view on ,the line' 3--3 of Fig. 1; Fi 4 is a'sectional view on the line 4-4 of i dia ammatic of t e' ignition system in which the magneto is used. I

The elements making up the mechanisn i are contained in a casng that is substantially waterproof, 'and consisting of the upper part 1 having the top 2 of insulating material. and the bottom part 3 having an opening 4 therethrough. the shaft 5 passing through the opening into the-interior of the casing. The said lower part 3 is counterhored adjacent itpcn end for a suitable depth, whereby a shoulder (i results on the inncr side, and the upper part 1 provided 1; while Fig. 5 is a' two parts may be held closely together; in order to provide foradjustment, to be later more specifically set forth, the lower porton of the upper part 1 is rovided with a ccess 8 on its outer side, an the upper porton of the lower part 3 is provided with a set screw 9 passing through a thrcaded opening therein, the inner end of the screw engaging in the said recess, whereby the parts are revolubly held together. The periphoral portion of the lower part 3 is preferably.provided with a shoulder 10 carrying a number of opcnings 11, the upper part 1 being also provided with a shoulder 12 having a rccess 13 containing a plunger 14 and a spring 15, the lower end of the plungcr being adapted to be engagcd in any one of the said openings 11, said egage'ncnt being obtained by reason of the said spring. The lower part 3, or, in fact, either of the parts of themechanism, provided with ar's 13 havingopenings therein through which suitable securing means, such as bolts or screws, may be passed in order to maintain the nechanism in position on a .suitable support.

Extending upwardly into the interior of the casing and mounted on the said shaft 5,

horseshoe type, carrying II'OII pole faces 15, the said magnet being provided with an opening 16 extending therethrough into which the shaft extends, the relation of the parts being maintained by means of a transversely extending pin 17. This shaft 5 is provided With a 'shoulder 18, and beneath the shoulder is a cup 19. between which and a second cup 20 sccured to the said casing are a number of balls 21, whereby a substantially frictionless turning is provided. The lower end of the casing is preferably provided with a washer 22 of any suitable material, such as felt, retained in position by means of the thraded cap 23. a structure in the nature of a stufiing box being therely provided. and tending to prevent the entrance of dust or moisture into the casing. The shaft 7 is cxtcnderl upwardlv beyond the said magnet 14 for a suitable distance, and securcd to this extension by means of the pi'n 24 is a slecve 2 having shoulders 26 thorcon (Fig. 4) whi h are in efl'ect came. the particular purpose th reot to be later set forth. The upper cn l of this isa permanent magnet 14 prefrably of the Referring now to Fig. 6, wherein the different elements making up the ignition syten are diagrammatically represented, t will be noted that one end of the primary winding 6? is rounded at 82, one end of the secondary wnding 68 being also grounded at 82; the other end of the primary is connected 'to .the said support 77 carrying the platinum point 79, and being in circuit with the condenser 70. The platinum point SO on the said bell' erank lever '(3 is g'ounded as 'at 84. The other end of the secondary winding is connected to the central brass plate 49 by means of the said offset 48, the spring 47 and the conductng rod 42; for the purpose ofdescribing the manner of operation of the device a number of spark plugs 8-3 are, representative of the -c vlinders of an engine, o e side of each plug being grounded as at g ithe other sides of these plugs being connected to the s'ad separate plates 58 carried by the under side of the insulating top piece 2 of the casing; the plunger is represented as always in contact with the said central'plate 49 and coming periodically into contact with the separate plates 58. As the magnet operates the .turning of the shaft brings the projections 26 on the side of the sleeve 25 into engagement with the roller 76 on the bell crank 73, thereby periodicallv making and breaking contact between the latinum points 79-80 and opening and closing the circuit through the pri'nary winding 67 by reason of the said groun 82-84. It will be remembered that the ii per part 1 of the casin was described as being adjustable relatvely to the lower part 3, being held in adjusted position by reason of the openings 11 in the shoulder 10 (Fig. 2) into which the spring-pressed plunger 14 was adapted to engage; it being clear then that the relation between the make and break of the circuit breaker' and the said primary circuit, and thej times at which current is supplied be varied,

to the' several spark plugs may there permittin advancand retard.. The

said -p ates 38 an '43 (Fig. 1), the'plate 38 being'grounded and the plate 43 'beng connected to one side of the secondary circuit,

provide a 'safety spark gap in the said secfi ondary circuit. y

After a consideratin of the'descriptionfi'n connection with the drawings,-'it will be apparent that a mechanism has been described which fulfils the purposes of the invention as set forth in the beginning of the specification, the relative size and location of the parts being merely typical of one embdimnt of the invention, t being clear that the inventive idea may be comprehended ?in structures which may vary 'in size and appearance. but are representative ofsuch inventiye idea. a

.Having thus described our invention,

what we claim as new and desre to secure by Letters Patent is:

1. A mechanism of the class described, comprising a revoluble permanent magnet of horseshoe form supported at its ends, one. of the said supports forming a shatt whereby the magnet may be retated, the said shaft having its end extending through an opening in the magnet, a core between the sides of the magnet, and nounted on the said end of the shaft, the said core having a plurality of independent windings thei-con, a distributing device for the induced current, and means actua-ted by the rotation of the magnet and including a movable contact member for controlling said distributing device whereby the current induced in the windings may be placed in circuit at proper times with independentcoperating devices.

2. A mechanism of the class described,

comprising a permanent magnet of horseshoe form supported at both ends, a core between the sides of the magnet and having a plurality of windings thereon, one of the supports .of the said magnet beinga shaft whereby the magnet may be rotated, and means actuated by the turning of the magnet and including a movable contact member whereby the current induced in the Windings may be placed in circuit atproper times with independent coperating devices.

3. A mechanism of the class described, comprising a revoluble magnet, and a stationary c'ore carrying windings in which current is induced, said mechanism also ,comprising a distributing plate and a movable brush, the brush coming into contact with different portions of the said pla'te 'whereby different circuits are placed in communication in the said windings.

4. 'A mechanism of the class described, comprising a permanent horseshoe magnet, a revoluble shaft to which the magnet is secured, the shaft having an extension, a core between the sides of the magnet, the lower portion of said core being mounted loosely on the shaft extension, and the core and the magnet being movable relatively one to the other, a. plurality' of windings on the core, a"contact plate in the circuit of one of the windings, a number of contact plates connected to different coperating devices, a brsh in contact with the first-mentioned' contact plate and adapted to contact successively with the other contact plates. a circular gear carried at the upper end of the magnet'and turning therewith, a second crcnlar gear carrying said brush, anrfmeans for drving the gear carrying the brush from the gear carried by the magnet.

5. A mechanism of the class described, compris'ing a current inducing mechanism including a revoluble permanent magnet. a shaft on which the magnet is mounted the shaft having an upward extension, a core -ing a contet 'n between the sides of the-niagnemephralitj 'a cireuitbreaker in .one of thejeircuits'of the current inducof windings on the core,

ing mechanism and spportedft the-lower endof the. core, -idistrbuting deiic' includthe"other circ iti of the cnr rent inducng "mchani gg pluralty Tof;

. Contacts adaptedjto `"ne connected togmdep endent devices,` a, "for conneeting' 'the' first contact successively with the. other con& j

tacts, a dri ing 'eonnetin betweenthesad revoluble 'magnet ?sind theSid brush, and: a,

siee've-secured on' the` npwjardi-*extension of thereon for Operating said cir nit' breaker,

' a distributing plete having per end of i f 6; A mechansm' 'of 'the class described,

' comprising flrevolible; magnet-zier Inemtaining an electrie fieldwindin'gs'within'the field whereby cnrrentsjinduced," a circuitj the other winding,

ber in contactw into contact with-the distributing plate whereby; different coper brought into thesaid ating 'elements maybe v circnit, and means for bringing the'distributing pla'te into i tively to the-circu-it;breaking device, whereby the'timing of the several' copera'ting elements may be varied: v

7. A imag'ne to electric current generator;

comprising a casing consistng of' nn .upper and a lower member,

member, coperating crre t indueing ele ments, a distribnting platesegured to the' 'per member of the cas'- top portion of the ti ing at the under si e' thereof'an'd 'compris ing a central'contact and a' numberof 'con- -tacts arran'ged around the central contact diflerent crcuit's; a brush and cofnnectedto engaging the central contact Iatd successivelyj engaging' whereby' the brn ment of the current inducing 'meehanism turn together, the uppermember of-the asing being provided at its lowerpart with a reeess in its outer face, and a setscrew 'car- I ried by' 'thelowermemberof the-casing at its upper part ,and engaging-'said recess, whereby the members of the casing are revolubly held together 'andthe upp'er member can'be adjusted to cause-the distributing plate to occupy that the 'times of engagement of the br'ush with the said contacts'may be Varied, the

peripheral portion of the lower member being provided with a shoulder having a .series of openings, the

casing also having &shoulder provided with' said -rec`ess adapted-;to engage either adjusted 'position 1- c t 8. Amagneto; 'electric current generator, comp e znet, the core carryingn'plurality-of. -ings, the core -and wndings beng movable` tively thereto'.

A asn the said` core] field, a 'shaft on which core between thesIdes relationwiththe upperi end ofseidshaft extension the said-`core having a` plurlity of windings, a circnit-breaker n' one of* the winding and supported at the lower end of theeore, the said winding being also' in a" moxable-eontact mem-` "the said .member in the .eircuit of the'winding and'wfiepted to come other members of said different positions' relv the-u'ppr 'me'nber'being monnted -t'o turn relative to the lowe" the, other contacts, means sh and 'the revohble ele'-,

di flerent positions in order upper member of 'the circuitwith a condens'er,.and means secure to thes nd 'shaft crcuit breaker, thei core wthm'the' wind- .ings thereon heing'movable rehtively the said relative'movement takes plce.

revolubly mounted in position, a `circhr 4 gear carried by the 'nmgnet'and turning' threivith, a secondbircnlnr gear carrying a ph nger adnptecl .to contact with the several parts. of :a distributingplate, and' intermediate-gears'between the said circulate gears, whereby the tnrning of,the magnet is im parted to the said phnger.

11. In a magneto electrc machine, a easmagnet having primary and secondary wndngs thereomsmeans for rev'olvng said magnet, 'a gear carred by said magnet and turning therewith, a second gea'r, &spring- 'secnd gear', a driving connection between the revoluble horseshoe magnet maintainngi'permanen't electrc.field,.endr

extension for Operating thetor', the combination'of. a horseshoe' magnet revohbly monnted in one of the parts,;a distributing plate carv means aetuated through tnrningcontrolled contact member carried by. *sald- 30 'a' recess, and a "spring tout-mue& ping i, m g V qf said opnings 'to hold then'pper memberfinfthe;

:ao-ore' between the-sdes of thefseidmag-' wind- I I -independently `of the said magnetand relato electric-current gerieratof, comprising a -pe rinanentmagnet*of ho'r'se'- Shoe form maint'aining a'Permanent'electric the magnet mount-` ed, the shaft having an Upward extensionga i of .the'inagne t the lower portion of'the coreheing in-revohible 28.5

d se

to the" said magnet, whereby current ist indnced,-- the said eircuit breaker being actuated When` 10. In a magneto electre Current genera ing made-up of two parts relatively one-to i of the casing in suchpo- *12. In a magneto electric machine, a re voluble permanent magnet, a 'core adjacent the said gears, a distributing plate having a central member connected with the secondary winding, and a lurality of separate members, the said sprng-controlled contact member being always in contact with the said central member 'of the distributing plate and adapted to connect the same successively with the other members of said plate.

13. In a magneto electric machine, a casing comprisin two members, a permanent magnet revolu ly mounted in one of said members, a distributing plate carried by the other member of the casng, a core adjacent the magnet'and having primary and seconlary windings thereon, thesaid distribut- 4 ing plate having a central member in the circuit of the secondary winding, and 'members surrounding the central member 'and insulated therefrom and from each other, a spring pressed contact member held in contact with the central member of the distributing plate and adapted to contact with the other members of said plate, and means actuated by the turning of the magnet for moving the sprin pressed member into engagement with t e plate surrounding the central plate, to bring the said plates successively into circuit with the said secondary winding, the member of the casing carrying the distrbutin plate being adjustable relatively to the oter member of the casing, and means for holding the said member in adjusted position.

14. In a magneto electric machine, a revoluble permanent magnet, a core adjacent the magnet having primary and secondary windings thereon, means for revolving said magnet, a distributing plate having a central contact member and a plurality of sepa rate contact members, the contact members being insulated from each other, the central contact member having a downwardly extendin portion, a conducting rod connected with t e-secondary winding and having an enlarged upper end forming a pocket, a spring in said pocket making electrical contact between the conducting rod and the downwardly extending portion of the central contact member, a spring controlled contact member, and means for driving said contact member from said revoluble magnet, the said spring controlled contact mem, ber being in contact with said central member of the distributing plate and adapted to connect the same successively with the other members of said plate.

15. In a magneto electric machine, a casing comprising an upper and a lower member, a revoluble shaft extendin'g into the lowermember of the casing, a permanent magnet within said member of the casing and carried by said shaft, a distributing plate carried at the upper portion of the upper member of the casing, a core between the sides of the magnet and carrying a plurality of windings, means actuated by the turning of the magnet for bringing the several parts of the distributing plate into circuit 'with one of the windings, a circuit breaker in the circuit of the other Winding and actuated from the shaft of said magnet, one of the members of the casing being mounted to turn relatively to the other member, whereby the distributing plate, may be brought into different positions relatively to the circuit breaking device and the times at which current is supplied to the different portions of said distributing plate may be varied, and means for holding the said movable member of the casing in the adjusted position.

In testimony whereof, I, WILLIAM CASEY, have signed my name to this specifieation in the presence of two subscribing witnesses.

BYnoN A. KELLY, FREDERICK TRENEER.

In testimony whereof, I, IsAAc LEssEs,

have signed my name to this specification in the presence of two subscribing witnesses. ISAAC LESSES. Witnesses:

HELEN NICHOLS, DAVID J. GRAY.

` copies ot this patent may beobtalned tor five cents each, by addressing the conimsloner ot Patents,

washington, D. c."

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