US953674A - Elastic-fluid turbine. - Google Patents

Elastic-fluid turbine. Download PDF

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Publication number
US953674A
US953674A US510077A US1909510077A US953674A US 953674 A US953674 A US 953674A US 510077 A US510077 A US 510077A US 1909510077 A US1909510077 A US 1909510077A US 953674 A US953674 A US 953674A
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Prior art keywords
tho
elastic
blades
strip
fluid turbine
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Expired - Lifetime
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US510077A
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George Westinghouse
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Westinghouse Machine Co
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Westinghouse Machine Co
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Priority claimed from US25848505A external-priority patent/US941395A/en
Application filed by Westinghouse Machine Co filed Critical Westinghouse Machine Co
Priority to US510077A priority Critical patent/US953674A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/22—Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225—Blade-to-blade connections, e.g. for damping vibrations by shrouding

Definitions

  • iio blades and vanos aro shown l vane-holding clement provided with a piunshi'oinied may ho ground oft concentric to ralit)7 of slotsl a metal strip located between said slots and a flange provided on said Strip for securing' it to said element.
  • an elastic fluid turbine a blade. or vane-holding element provided with a plurality of slots, a wearing plate located between adjacent slots and extending ⁇ in close proximity to the Surface of Said element, andnneans for mounting said blades on Said element.

Description

GEORGE 'tVESTNGI-IOUSE, OF PITTSBURG, PENNSYLVANIA', ASSIGNOR TO THE W'EST- iNCrI-GUSE MACHINE COMP'NY` A CORPORATION OF PENNSYLVANIA.
ELASTIC-FLUID TURBINE.
to ritt. wiwi/t it mii/y concern:
itI known that 'Gizonoia Vtns'iixna uiti'fit-ii ot tho` United States. and lont ot Pittsburg, in. the `ooiintli' oi' A ien)v and titztto oi ihiiiisti'lifaiiia, have nitido a non' and iifttiii invention in lila tio-Finiti 'i`tilbinoS, ot which tho following iS a` sipeoiiication,
ritis invention rotates to elastic ihiid tin-- 1U hinesn Tho present appii'cation is a division ot application No. 258,483, iiiod May Q, 1905.
'.lho statoi'ss oi casinos of elastic thiid tin'- distort; from iaiioiisI Cans in niost 'Jion oi turbines the iotoifs thereof, zitter in@ the tritioai Speed ioiato ahoiit thii inf-toad otx thoii' gooiiiettio axis. the conditions it'Y h: heen iii/"in tho niiiiti-colitiizzt' typo zhinPS to lteai'o tleaiianoos iioyoini the ot' loos in i ,d to i'odiicti "chi'oiids in tht` iis have hoon i'ivotc-d to o ends of the tiiihino tiiados iti Vanoes and those Shioti haii@ been pio with Ciatti oxtoiiing tiangos ptetiiin ivo/ating; stiitaoos in cios@ i i j; 'to the foto? oi? stator, as the am may This: inotiiod, however, is open to somo vom' :dons objootiions. The shi-otitis -l if 'voted to the oiadoa1 and vanos tho ooo-omo worn tin-outfit on. account oi? distortion oi* 'from nso, the itiinimiini oloaifantco diftot" ai.
to movido tiiii w mh nds 'o iV iS a View in ot anntilail i'oii's vanos Sooiiiod to ttioii' mins, as tot' oxaiiiiilt, .i eqiiiiii'iod with 'my hid torni o i y o litio View oit another modified i invention.
its of tho hilados: and vanos siitii'tlont the i ivontion, and` Specification of Letters Patent.
l i i i "atontoti Bitti'. 2t?, lilith application filed May 2, 19t/5, Serial No. 258,485. Divided and this application tiled .Tilly 2S, 1909.
Serial No.
with shi-ondbl riveted thereto and the slnoiids which ai'o ltoiniod in the natiii'o ot' strips oinhi'acingi a niinihoi` ot' hiados and vaines ai'lv provided with an oiitiiai'tl oxtonding' llano@ it). in lino with thisy oiitii'ai'd oxtondingi [langtl a ii'oai'inti' plato li is shown, which has a thing@ i12 tzaikod into' a slot 'toi'nicd thotot'oi' in tho stator ot' iotoi';
in Fig. 2 tho clearance and weaving Sti-ip 13 ib shown. oinowhat in the nattiie. oi a V in ci'os soition; that is, the ivingb oi' tho strip dii'otgt: troni the Cdgo ot the ,slot into which it is sociitod hy inoans ot' tho instal strip li. 'the nitital stiip i-i lios within tho vertex o'l tho strip and is siii'tad trans ,'oisoly of tho slot.
in Fg. 3 tht: ii'taiin.; piniony aio shown as oatfh honing iii'ovitloti ii'ith a thingo it (faikwl in a Slot in tht:` statin' nA i'otoi' and tatih wiiaiing' plato is iiirivithwl with mi olititantling head oi- (lange lT fntaging :in nndoi'ciit iioition oi an adjacent blade whoi'thi' tho hiatlt will assist in holding,4 'tho awaiting' plato in place.
wiil he soon. that a ininiinnni cloaianoo may ho had without tho iizbiiity to trouble, for it tht; hhidtts and vant-s do Contact with those wearing st iiiis the)v may ho worn away without toai'inl;- tho blades oi' vanos iiooaiiso the woai'ingi' Strips ato-inail@ ot sottoi' n'ietai than that ol' which tho blades and vanofs oon- Sist, in practico tho strips will lgonexi'alijyhe thin so that hout lQonci'atod hy Contact wiii he niatoiiali'if ilirsiiatvd hy lradiation and vondiictivity.
in :iSS'Qiifii)linoA tho tiii'hino tho blades ot tho i'otoi, which may ho oithoi' shrouded oi' n3 tinhii 'a i :tis and the vanos on tho stator :naji' iw tioi'od ont. 'than the tiii'biiio niay be assoinhlod without anyY tfloai'anooa izotwoon t to hiar'hea and vanos and tho wearing strip, and. tho lio-toi' ifovoivod to f iinti t-hoii: own in thiS niannoi' it will tio soon natiost cltai'anco possible may Too toi: any reason thoso wearing .'ti'il hotoino worn-ont in use they may ho 'oailili7 i'opiacod hy now strips as they :tifo oaSiiy insottod and sooiii'iid within their slots.
iiaving thus dosci'ihod iny invention, what: i ciaini is:
l. in an ulziStio tiiiiti turbine, a blade oi.'
iio blades and vanos aro shown l vane-holding clement provided with a piunshi'oinied, may ho ground oft concentric to ralit)7 of slotsl a metal strip located between said slots and a flange provided on said Strip for securing' it to said element.
2. ln an elastic fluid turbine, a blade. or vane-holding element provided with a plurality of slots, a wearing plate located between adjacent slots and extending` in close proximity to the Surface of Said element, andnneans for mounting said blades on Said element. b t
The combination with a blacle-earryinp;V
element of a. turbine, of a metallic wea ring' plate rigidly Secured to #aid element.
Ll. The combination with a bhule-carrying elementl of a turbine provided with a plurality of slots, ol blades mounted in said slots, inetallie strips inonnled between adjacent Slots and means including said blades f for Securing Said stripsl 1n place on said elenient.
5. ln combination with a blade-earrying` a turbine, means tor securing a l of rows et blades thereto, strips lol.
element of plurality cated between adjacent rows of blades and extendingin elose proximity to the Snrfaee of said element, and a tiange for securing` `said Strip to said element. 6. In an elastic fluid turbine, the combination with an annular' "row of blades of a Shroud provided with a clearance determinj ing' Strip secured to the outer or lree ende ot' Said b adeS and a renewable wearingI plate eeured to .the stator ot Said turbine. in line with said clearance determining strip. l 7. In an elastic fluid turbine, the combination with an annular row of rotor blades and the stationary easing therefor, of a shroud provided with the radially extending elearanee determining` strip secured to the outer or free end of such blades and a wearingr x Strip secured to said stator in line. with Said J clearance determiningl strip.
ln testiinon)Y whereof, l have hereunto Subscribed my naine this 26th day of July,
lflOfl.
GEO. W ESTIN GHOUSE. vll'itnessea: I
Guo. J. TAYLOR, l-l. C. TENER.
US510077A 1905-05-02 1909-07-28 Elastic-fluid turbine. Expired - Lifetime US953674A (en)

Priority Applications (1)

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US510077A US953674A (en) 1905-05-02 1909-07-28 Elastic-fluid turbine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US25848505A US941395A (en) 1905-05-02 1905-05-02 Elastic-fluid turbine.
US510077A US953674A (en) 1905-05-02 1909-07-28 Elastic-fluid turbine.

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459850A (en) * 1945-12-10 1949-01-25 Westinghouse Electric Corp Turbine apparatus
US2742224A (en) * 1951-03-30 1956-04-17 United Aircraft Corp Compressor casing lining
US2840343A (en) * 1955-10-14 1958-06-24 Jr David E Brandt Reduction of rotating tip clearance using segmented wear strips
US2962809A (en) * 1953-02-26 1960-12-06 Gen Motors Corp Method of making a compressor seal
US2963307A (en) * 1954-12-28 1960-12-06 Gen Electric Honeycomb seal
US3042365A (en) * 1957-11-08 1962-07-03 Gen Motors Corp Blade shrouding
US3053694A (en) * 1961-02-20 1962-09-11 Gen Electric Abradable material
US3339933A (en) * 1965-02-24 1967-09-05 Gen Electric Rotary seal
US4662820A (en) * 1984-07-10 1987-05-05 Hitachi, Ltd. Turbine stage structure
US20040223844A1 (en) * 2003-05-07 2004-11-11 Farrell Alison Carol Method and apparatus to facilitate sealing within turbines
US20130089412A1 (en) * 2011-10-07 2013-04-11 General Electric Company Turbomachine rotor having patterned coating

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2459850A (en) * 1945-12-10 1949-01-25 Westinghouse Electric Corp Turbine apparatus
US2742224A (en) * 1951-03-30 1956-04-17 United Aircraft Corp Compressor casing lining
US2962809A (en) * 1953-02-26 1960-12-06 Gen Motors Corp Method of making a compressor seal
US2963307A (en) * 1954-12-28 1960-12-06 Gen Electric Honeycomb seal
US2840343A (en) * 1955-10-14 1958-06-24 Jr David E Brandt Reduction of rotating tip clearance using segmented wear strips
US3042365A (en) * 1957-11-08 1962-07-03 Gen Motors Corp Blade shrouding
US3053694A (en) * 1961-02-20 1962-09-11 Gen Electric Abradable material
US3339933A (en) * 1965-02-24 1967-09-05 Gen Electric Rotary seal
US4662820A (en) * 1984-07-10 1987-05-05 Hitachi, Ltd. Turbine stage structure
US20040223844A1 (en) * 2003-05-07 2004-11-11 Farrell Alison Carol Method and apparatus to facilitate sealing within turbines
US7059821B2 (en) * 2003-05-07 2006-06-13 General Electric Company Method and apparatus to facilitate sealing within turbines
CN100350134C (en) * 2003-05-07 2007-11-21 通用电气公司 Method and apparatus to facilitate sealing within turbines
US20130089412A1 (en) * 2011-10-07 2013-04-11 General Electric Company Turbomachine rotor having patterned coating
US8888446B2 (en) * 2011-10-07 2014-11-18 General Electric Company Turbomachine rotor having patterned coating

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