US892487A - Turbo-generator construction. - Google Patents

Description

No. 892,487. PATENTED JULY '7. 1908. A. H. WOUTERS.

TURBO GENERATOR CONSTRUCTION.

APPLICATION TILED NOVv 3, 1906.

so if;

To (Ill w/m/nit may concern.

belonging to the .l lands, residing at Norwood in the county ol' Hamilton and State ol ()hio, have invented certain new and uscl'ul .lnrprovornonts in 'l'ollo'-.\'in is a lull clear, and exact specific-.1-

machines and particularly to high speed nrarcct current tnrb i-gcncratriirs.

provide means for holding in position the portions ol the coils wlncl be displaced by centrifugal action. been proposed to surround the coils heavy rings or b an ds mad such as phosphor bronze. employed for this purpose, it is necessary to provide some means for supporting, centering and retaining the rings in an jecting portions of the coils at tator end of the machine.

tails of construction and combinations and arrangements of parts described in the specification. and set forth in the appended claims.

drawings in which PATENT ()IiFICE.

SSJUNUH 'lt) ALldH-OHALMlJltS COMPANY, A .ISULLUtJK lllJt'lO'lltlU MANUFAOIUHING COM- TURB O-GE NERATOR CONSTRUCTION.

Specification of Letters Patent.

Patented July 7, 1908.

Application filed November 3, 1906. Serial No. 341,812.

130 itknown that l, Atrinlcn ll. \to'u'rnns,

ungdonr ol' the Netherurl o-(icncrator (.onstruction, olwhich the lily invention relates to dynalno-clmrt-ric iines ol the direct current type such as di- In a. high speed machine it necessary to 1 project beyond to ends ol. the core, so that the coils can not It has by c from some material hen rings are position.

machines, considerable has been experienced in providing supporting and protecting means In direct current Accordingly icd upon for portions of the coils This latter expedient is not satall types of machines particuieeds, the band The object of my invention is to provide rovcd means for supporting, centering, retaining in position a ring for the prothe con-unu- My invention consists in certain novel de- For a better understanding of my invenon, reference is had to the accompanying Figure 1 is a partial longitudinal sectional evation of a machine equipped with my in- Vtllltloll; Fig. 2 is a transverse section ol the same substantially along the line 2--2 ol Fig. 1 only a portion of the slots 01' the end nionrhcr and conductors being shown; Fig. 3 is an enlarged plan view ot' a portion ol the end-ring showing the ends (it the springlocking doviro; Fig. 1| is a partial transverse section along the line 1 ol' .l ig. 1, looking in the direction ol the arrow; and Fig. 5 is a partial scctiornrl view showing a slight modiiir'rat-ion.

,tcl'crring now to the figures ol' the drawings it) represents a shalt on which the core 11. and connnuta'tor 12 are mounted. The core consists of lamina:- held between end members one of which is shown at 13. The armature is provided with a winding having portions 14 which project beyond the core and rest upon the shoulder or bracket 15 ex tending outwardly from the end-member 13. The end-member is also provided with a slotted flange 16 through which the coils of the winding pass. At the outer end of the shoulder or bracket 15 are a plurality of outwardly extending teeth or nojections 17. The coils extend through the slotted flange 16 as they emerge from the core and the ends of the coils pass through the slots or openings between the teeth 17 and extend a short distance beyond. the latter (see Figs. 1 and 4). The coils 14 are separated from the bracket 15 by insulation 18.

The bars 19 of the commutator 12 are held in position on the shaft by a plurality of shrink-rings 20. The commutator bars are connected to the ends 141 of the coils which project beyond the teeth 17 by radial commutator lcads or necks 21 which extend along the outer surface of the teeth and a short distance therefrom. T hesc leads or necks are preferably riveted to the bars and soldered to the ends of the coils.

Surrounding the projecting ortions of the coils is a heavy rigld rin 22 laying in this case a cylindrical portion 23 provided with a recessed or grooved portion 24 at the inner end thereof fitting over the flange 16 of the end-member 13, and with an inwardly extending portion 25 at right angles to the cylindrical portion 23 and extending inward over the commutator necks. The rin rests on and fits tightly over the teeth of the s otted flange 16 and on the teeth 17 which are turned down in a lathe so as to have true outer surfaces relative to the axis of the machine. Thus it is seen that the ring is well sup ')orted and centered.

I have provided novel. means for locking and retaining the end-ring 22 in position as will now be described. 'lhe '[lange 16 of the end-membm. n'ovided with a'continrwus ' opcn slots 28 and 29 having parallel endnn'- tions extending outward to the inner edge of the ring (see Fig. 3). The groove 26 in the flange 16 is preferably deeper than the groove 27 as will be explained, the bottom oi" the groove being also preferably semi-circular in cross section. Located in the grooves in the ring and ilange is a ring-shaped spring locking rod 30 having ends which extend outward a short distance in the open slots 28 and 29. The rod is in this case circular in cross section having a dian'ieter the same or slightly less than the diameter of the semi-circular groove 27, and is made from material having considerable elasticity so that ittends to spread outward or to expand, filling the semi-circular groove 27. The groove 26 has a depth equal to or slightly greater than the thickness of the spring locking rod 30. Thus it is seen that when the end-ring is in position the locking rod assumes a position shown in Figs. 1, 2 and 3, the outer half being in the groove 27 and the lower half being in the groove 26 so as to pre vent the end-ring from slipping outward. When it is desired to remove the ring, the two ends or" the spring locking rod are drawn together to the position shown in dotted lines in Fig. 3, decreasing the diameter of the ring until it is located entirely within the slot 26 in the flange. Since the outwardly extending ends of the spring locking rod are now opposite the parallel ends of open slots 28 and 29 the end-ring can be removed longitudinally, and again replaced when desired without diil'iculty. It is seen that when the armature is rotated the ring is also looked through the action of centrifugal force which tends to hold the spring locking ring in the outer groove, or in the locking position.

While I have shown a locking rod circular in cross section it is evident that the rod may be of an other cross section, such as rectangular. n the latter case the grooves in the ring and end-member would of course have a corresponding shape so that the rod would have a good close fit therein.

In Flg. 5 I have shown a slight modification of the end-ring. In this case the endring 22 does not extend over the commutator necks but only a short distance beyond the radial teeth. 17 on the bracket. The use of an end-ring as here shown has the advantage that the commutator necks can be connected to or disconnected from the coils without necessitating a removal of the endring. The ring 22 is supported, centered, and locked into position. as is the ring 22 'lirst described.

\Nhile I have in this case shown a specific form of centering means for the outer portion of the end-ring, consisting of teeth integral with. the shoulder or bracket, 1 wish it to be understood that any other :lorm o'l centering means may be employed i'l desired with my improved end-ring locking device. In some instances the ring may need no further centering means than the ends of the coils themselves.

It is apparent that my invention is susceptible o1- changes or modifications without departing from its spirit and scope, and I aim in my claims to cover all such modifications.

What I claim as new and desire to secure by Letters Patent is 1. In an armature of a dynamo-electric machine, a core and end-member, conductors carried by said core and having projecting portions resting on said end-member, commutator connections a ring surrounding the projecting portions of said conductors and extending over and protecting said commutator connections, and means for retaining said ring in position comprising a readily removable spring locking device located between the end-members and the ring and protected by said ring.

2. In an armature of a dynamo-electric machine, a core and end-member, conductors carried by said core and having projecting portions restin on said endanember, a ring surrounding the projecting portions of said conductors, and means for retaining said ring in position comprising a readily removable spring rod between and engaging said ring and end-member.

3. In an armature of a dynamo-electric machine, a core, and end-member, conductors carried by said core and having projecting portions resting on said end-member, a ring surrounding said projecting portions of the coils, and means for retaining said ring in position comprising a readily removable ringshaped or circular spring rod engaging sald ring and end-member and lying within said ring so as to be protected thereby 4. In an armature of a dynamo-electric machine, a core and end-member, conductors carried by said core and having projecting portions resting .on said end-member, a rin surrounding said coils and resting on said end-member, said ring and end-member having respectively internal and external registering grooves, and a readil removable contractible rod normally locate in both said grooves.

5. In an armature of a dynamo-electric machine, a core, coils carried thereby and projecting beyond the end thereof, a bracket on which the projecting portions of the coils rest, aring surrounding the projecting portions of the coils, and means for supporting and centering said ring and for spaclng and positioning the projecting portions of the coils com rising radial teeth. or fingers at the outer GIN. of the bracket.

6. In an armature of a dynamo-electric machine, a core, and an end-member comprising a toothed flange and a bracket or shoulder having teeth at its outer end, coils carried by said core and having projecting portions restin on said bracket, and extending between said teeth, and a ring surrounding said pro'ecting portions of the coils and resting on t e teeth of said flange and said bracket.

7. In an armature of a dynamo-electric machine, a core, and an end-member comprising a toothed flange and a bracket or shoulder having teeth at its outer end, coils carried by said core and having projecting portions resting on said bracket, and extendmg between said teeth, a ring surrounding said projecting portions of the coils and resting on the teeth of said flange and said shoulder, and means for locking said ring to said end-member.

In testimony whereof I affix my signature, in the presence of two witnesses.

ALFRED H. WOUTERS.

Witnesses:

ARTHUR F. Kwls, GEo, B. ScnLnY.

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