US1206260A

US1206260A - Electrical transformer.

Info

Publication number: US1206260A
Application number: US11804216A
Authority: US
Inventors: Alf Schaanning; George Harlow
Original assignee: Westinghouse Electric and Manufacturing Co
Current assignee: CBS Corp
Priority date: 1916-09-01
Filing date: 1916-09-01
Publication date: 1916-11-28
Anticipated expiration: 1933-11-28

Description

,SCHAANNING G. HARLOVV.

ELECTRICAL WANSFQHMEH. APPLICAHQN mw sull. l. 1916.

fand senape. of oni-'inve anni ELECTRECAL TRNSFOBBIEB.

i margen Specification of Letters Patent.

elpplcaon filedeptember l, 15J-16. Seriallio. 'LES 6112.

le, it known thatl we, Lr SVUAANNDJG, a siihjeet of the lling of England, and a resident nl' Maneheser, in ihn county nl ,LaneasteiQ England. and Gruner. linnen',

a subject f'thel King of England, and a resi- 'dent of lrineham, in .the eminv nl lalliester, England, have invenied a new and useful. lniprnvemen in llee :leal Transfornb l the following a sperilieaers, or vvhicn tion. Y l

Our inventinn relaes to easings or tanks in vvhieh-heat-generating apparatus-5. such eleii'irif'al transfm'iners, hay he contained and immersed in bodies el' cooling ai il inenlaiinp liquid.

linie'particularly, nur invention relates 0 lClie construction nl' a healradiating Casing),4 wherein adequate eimling of the electrical apparatus efintiiined in ehe easing is insured -ander fili'llerent uperating ronditinne,

Y Slruetares, commonly employed for 'elec- -trieal ransfnrnierS comprise tanks having (fueling snrlaiesef large exposed areas that are Snliirieni in radiate the heat `generated in lie i'ans'ermers under vnori'nal operating eondirions, ivihou. excessive rises in teniperanw.l This Yforni 0l: construction Conitider what islniovvn as an oil-insulated, ell-e 1`ling' ransnrmer.' Tlili/ih transform- 4r fe pnvver enpai'ilv, it is dillienl, il

7 aride adequate eenling 2 Casin 1n 'enritainech and, in sueh eaSeS.

air are semeimes direeted -aeings in order to L l enrres. o agraii the eideani h enhanre heir heat-discpaling' preperies. 'lhis form ni een `irneion censitnes what termed fermer. Y

The present inventien has im its object to provide` an improved ennstriirion oliva easing for a' trans'ln'merwhich ma)v be read an oil-imailaed air-blast trans- ,ilyand piieldv adapted. under di'eren opranlif'einhed upper pair @if the seerienal porlaon being i iieh the transl! tend between cin'rngations T gip-e l is a vien', partially in elevation and parially in Seeion, or@ a transformer 'ingi'nrm rf our inventien, lie

`the base 2 by means of angle irons l() zn 'a porion or' the top plan vievv heini! ipi away to illustrate the l'nrni mf il walls or' 4the Containing.T raving. and is a sectional, detail, per eive vievf corner or' the assembled ill ivi tion of an ezierior plaie brullen aivz v playsome nl he eoringaim foi-mhd .in f i rising wall. Referring to the drawing.y a rank 0;" eas-- ing l, which is adapted to contain rhe ria lornier and a body' el inimerising insnlainfr oil, is inade of ieet metal liavingeorrn side walls and is provided ivih a lm frame and a top end-iframe Irl. which are preferably made cast ir tie-hable' side plaies 5 are pi4viiled i rounding he exterior side wills of l rranies areurnished .ivih a nimm fiees and T, resi eetivelv, ha are c v as to permit curi-ente or' air in 'l'fe f tween'lie Corrugated walls er' ving` easing l find he deniehahle sid 5. rhis structure ifs clearly illust" The tanlr l is neared upon the l);

is elainped between if; and-the frame ih v means nr tieelwlr:

in lifingr-lugs 'The baie-v2 ivitli a plurality or' oriliees G and.

-the top end-frame 3 is provided with eri sri T thatv may correspond smneivhav'in ien and, if desired, in size in he or' i (S formed .in the'base or loa'er lt vvill be noted that .the orii ennnun'ieae with air spaces fr 1v fia farine side walls of the tank, as shown in 2 and 3. The side plates ivhieh are te "i-orly detachable`r are preferably un l sheet metal and, when in' pn the COI-ruga edsides of the tanli: The plates 5 are held in his position oil-filling pipe 16 and an oil-gage 17, which 11 that are bolted together by means of bolts 12 and are attached, respectively, to the base 2 and. to the lower portion of the side plates For convenience in handling, it`may be desirable to provide four` side plates,`as shown, when the containing casingl Y 1 is of a rectangular form, although a greater' or smaller number than -our side plates may be used, as is most convenient.

The side plates are held together, where they adjoin, by means of angle plates 13 through which extend bolts 11 having Wing nuts' 14a. ln this manner,ithe side plates 5 may be readily disengaged from one an-` other, since the

bolts

12 and 14 areexteriorly accessible. bands l5 are riveted to the top ot' the side plates 5 in order to strengthen them. An

are usually` supplied as accessories to a4 transformer casing, are accessible. These accessories are supported by an expanded portion formed in the casing walls, as shown in Fig. A lid or cover 18 isattached to an upstanding flange 19 formed on the upper end-frame 3.

lVhen the side plates-5 are'remo'ved, the

.apparatus forms an oil-insulated, self-cooling transformer casing of the usual type. It', on the other hand, the side plates 5 are secured in position, as Shown particularly in Eig. 3, and thewhole apparatus is placed above. an air well (not shown), currents of air represented b v arrows '20 may be forced through theorifces (i in the base '2 and between the corrugated walls of the tank 1 and the side plates 5, passing out to the atmosphere through the orifices T in the top enel-frame 3. In this manner, the output of the transformer may be considerably increased, since the heat-radiating propert oi' the containing casing or'tank k1 has been greatly enhanced by means of a'effective forced cooling.

Vi'hile a specific structure hasbeen illustrated and described in detail, it is to be understood that the invention is not limited instead of angle irons,`

severally provided with openings so as'to permit air currents to fiow between the cor,- rugated sides of the casing and said side plates. l

A containing casing hav-ing sides in and bottom end plates therefor in which openings are formed that communicate with the air spaces between adiacent heat radiators.

4. A containing casingfor an electrical.

apparatus having sides that-are conducive to dissipating the heat generated by the apparatus under -normal operating conditions, exteriorly detachable side plates for inclosing the containing casing, said side plates being spaced from .the sides of the casing in order to provide passageways therebetween, and top and bottom end` frames engaging said side plates and being provided with openings through which air currents may be conducted to said passage ways.v i

5. A containing casing for an electrical apparatus having adjacently disposed radiators normally in direct contact with 'the outer air, detachable sde plates for inclosing said radiators-ofl ihe casing, said side plates being spaced from the casing in order -that cooling air currents may flow therebetween, and top and-bottom end plates severally provided with openings that register with the. air-spaces between adjacent radiators. A.

In testimony whereof, we have hereunto subscribed our names this 3rd day of 'August, 1916. v

ALF SCHAANXING. (HCRGE HARLOV.

Witnesses: v

\V.\L'Ii:n Howann W'Anwonig Honaci: Bimnsimw Xilinx.