Thawj Examiner:
Stephan, Steven L.
Yaam paab cov nam Examiner:
Laballe C.
Tus kws lij choj, tus neeg saib xyuas lossis ruaj:
Nikaido, Marmelstein, Murray & Oram
Neeg pab leg ntaubntawv:
Peb siv:
1. ib tug kuas lub cev muaj zog tsa ntawm ib electric tsav coj ib yam rau cov zis ncej muab axially opposite lwm hnub, comprising:
ob disk neeg fixedly uas txuas mus rau hnub opposite ntawm ncej tso zis ntau lawm, neb hais disk neeg muaj kev perpendicular axially puab thiab cov chaw uas ua rau kev axis kev ua teb uas tus ncej tso zis ntau lawm, axially cov nplaim txhua disk hais tias neeg muaj txhais thereon ib plurality ntawm threaded ntxiv hauv lawv qhov kom tau ntsuas screws, cov plurality ntawm threaded ntxiv hauv lawv qhov externally raug sij pab kom tus neeg teb xov tooj rau axially plurality ntawm hais ntxiv hauv lawv qhov, threaded wherein
tsawg kawg yog ib tug neeg hais disk los yog ib labyrinth uas nyob rau hauv lub qhov chaw axially puab thiab muaj xws li hais rau sealing tus ncej zis hauv kev koom tes nrog ib feem ntawm ib axial tsev neeg nyob ib ncig ntawm lub qhov zis ncej qhov deb tshaj plaws uas hais tias tsav.
2. ib kuas lub cev muaj zog qauv raws li cov ntaubntawv 1, wherein tsawg kawg yog ib tug neeg hais disk xws li ib tug muab ceev tebchaws iav txhais tau tias coj iav hniav ua rau ib txheej ib ncig uas hais ib disk tug, rau tebchaws ib muab ceev ntawm ncej hais tso zis.
3. ib kuas lub cev muaj zog qauv raws li cov ntaubntawv 1, wherein threaded ntxiv hauv lawv qhov ua nyob rau hauv cov nplaim txhua yam ntawm neeg disk hais cov txheej txheem ntawm nyob ncaj radial mus ntawm tus axis ntawm kev sib hloov ntawm cov zis ncej, thiab ntawm sib npaug zos angular.
4. ib kuas lub cev muaj zog qauv raws li cov ntaubntawv 1, wherein threaded ntxiv hauv lawv qhov uas ua rau lub hais ib disk neeg coj lub labyrinth thereon sau tseg cov txheej txheem ntawm nyob ncaj radial mus ntawm tus axis ntawm kev sib hloov ntawm cov zis ncej, thiab ntawm sib npaug zos angular.
5. ib kuas lub cev muaj zog qauv raws li cov ntaubntawv 2, wherein threaded ntxiv hauv lawv qhov uas ua rau lub hais ib disk tug muaj tus muab ceev tebchaws iav cov txheej txheem ntawm nyob ncaj radial mus ntawm tus axis ntawm kev sib hloov ntawm cov zis ncej, thiab ntawm sib npaug zos angular.
6. ib kuas lub cev muaj zog qauv raws li cov ntaubntawv 1, ntxiv comprising:
tib ntsuas cov ntsia hlau xaiv from among screws coj txawv lengths lug, hais tias ib tus ntsia thawv screwed nyob hauv ib tug coj threaded ntxiv hauv lawv lub qhov kom tau tus tsim nyog taw tes rau yam tsawg los ib yam ntawm cov neeg hais ob disk.
7. ib kuas lub cev muaj zog tsa ntawm ib electric tsav coj ib yam rau cov zis ncej muab axially opposite lwm hnub, comprising:
ob disk neeg fixedly uas txuas mus rau hnub opposite ntawm ncej tso zis ntau lawm, neb hais disk neeg muaj kev perpendicular axially puab thiab cov chaw uas ua rau kev axis kev ua teb uas tus ncej tso zis ntau lawm, axially cov nplaim txhua disk hais tias neeg muaj txhais thereon ib plurality ntawm threaded ntxiv hauv lawv qhov kom tau ntsuas screws, cov plurality ntawm threaded ntxiv hauv lawv qhov externally raug sij pab kom tus neeg teb xov tooj rau axially plurality ntawm hais ntxiv hauv lawv txhob threaded,
tsawg kawg kiag ib qho ntawm disk hais neeg los yog ib tug labyrinth nyob rau hauv lub qhov chaw axially puab thiab muaj xws li hais rau sealing tus ncej zis hauv kev koom tes nrog ib feem ntawm ib axial tsev neeg nyob ib ncig ntawm lub qhov zis ncej qhov deb tshaj plaws uas hais tias tsav; thiab
ntsuas cov ntsia hlau txhais tau tias threadably thiab nyias kuj hais txog ntsuas hauv coj threaded ntxiv hauv lawv qhov tsawg kawg yog ib tug neeg hais ob disk, nyob hauv kev ntsuas cov zis ncej tshuab electric, nyias kuj hais txog wherein hais ntsuas muaj hau ntswj txhais tau tias yog ib tus plurality ntawm screws rau lub txawv lengths ntu sib.
8. ib kuas lub cev muaj zog qauv raws li cov ntaubntawv 7, wherein tsawg kawg yog ib tug neeg hais disk xws li ib tug muab ceev tebchaws iav txhais tau tias coj iav hniav ua rau ib txheej ib ncig uas hais ib disk tug, rau tebchaws ib muab ceev ntawm ncej hais tso zis.
9. ib tug kuas lub cev muaj zog qauv raws li cov ntaubntawv 7, wherein threaded ntxiv hauv lawv qhov ua nyob rau hauv cov nplaim txhua yam ntawm neeg disk hais cov txheej txheem ntawm nyob ncaj radial mus ntawm tus axis ntawm kev sib hloov ntawm cov zis ncej, thiab ntawm sib npaug zos angular.
10. lub kuas lub cev muaj zog qauv raws li cov ntaubntawv 7, wherein tus threaded ntxiv hauv lawv qhov ua nyob rau hauv lub hais nyob tsam ib disk neeg coj lub labyrinth thereon sau tseg cov txheej txheem ntawm nyob ncaj radial mus ntawm tus axis ntawm kev sib hloov ntawm cov zis ncej, thiab ntawm sib npaug zos angular.
11. tus kuas lub cev muaj zog qauv raws li cov ntaubntawv 8, wherein threaded ntxiv hauv lawv qhov uas ua rau lub hais ib disk tug muaj tus muab ceev tebchaws iav cov txheej txheem ntawm nyob ncaj radial mus ntawm tus axis ntawm kev sib hloov ntawm cov zis ncej, thiab ntawm sib npaug zos angular.
Hauj lwm:
Tus invention tuaj koom qhov kev siv ntawm ib tug general-purpose muaj electric tsav, uas nws yog ib qhov kev co thiab suab nrov nrov ntawd yog txo, thiab ntau heev, mus ib tsav ntsuas cov qauv rau kev ntsuas xws ib electric tsav.
Hauv qab hauv lub machining ceev hauv lub tshav pob ntawm cov cuab yeej siv lub tshuab tau coj mus teeb meem xws li muaj tej tus raug vim txoj kev co ntawm lub fais tsav motors siv rau tsav ntxaiv thiab lwm Cheebtsam ntawm ib tug cav uas rooj noj, thiab lub suab nrov li ntawm therefrom machining. Qhov ntawd yog tias qhov kev co ntawm ib electric tsav yuav zoo tshaj plaws txo txoj kev kho ib kauj xeev ntawm txhua yam tivthaiv electric tshuab.
Vim li no, nyob rau hauv cov pa rau txoj kev assembling ib electric tsav, lub duas paub yam Cheebtsam ntawm tus tsav yog xub balanced kom tau ib tug zoo kuas kawg khoom li electric tshuab li no.
Hauv ib tsw-siab ceev tsav kev khiav hauj lwm ntawm tus nqi siab tshaj plaws muab ceev rau ntau tshaj 15,000 r.p.m., txawm li ntawd los, txawm tias ib tug me me tsis txaus therein yuav ua rau kev co dejnum thiab suab thaum tshuab koomtxoos ntawm cov high-speed ntau yam. Namely, yog tias lub Cheebtsam ntawm ib electric tsav yam yog balanced ib lub zuj zus thiab lub Cheebtsam no ces assembled, me me imbalances tej zaum yuav raug nyob hauv koj lub Cheebtsam yuav noog tsim kev tsis txaus uas coob leej ntau tus tau los tsis pub tshaj.
Txawm tias nws yuav los ua tus siv cov tshuab uas muaj menyuam mus saib assembling tus yam Cheebtsam thereof thiab ntsuas tib yam li ntawd ua ntej combining yam lub Cheebtsam kuas muaj ib casing uas koj lub cev muaj zog thiab qhov chaw kab, yeej nquag yuav nqa tawm tej kev assembling kev vim yam ntxwv txwv, thiab txawm yog hais tias nws tseem tau dhos tshuab los ntawm tej txoj kev assembling , ib qho teeb meem tshwm sim hauv cov tswjhwm ntawm lub tshuab. Piv txwv li, yog tsim nyog coj tus bearings mus rau tej daim, kom muab xwb tus puab rings rau cov qhov tso zis ncej tshuab, thiab mus reassemble lub bearings tom qab ntsuas ua ke nrog ntawm lub qhov zis ncej thiab lub puab rings. Li ib txoj kev yuav tsum muaj ntau lub sij hawm thiab cov neeg ua zog, thiab unavoidably uas muab ntxiv rau teebmeem xws tias cov bearings uas nphav tau tej plua plav. Tas, lub xeem thiab cheebtsam ntawm tus tsav yuav tsum muaj mounted rau ib txhais tau tias lwm tsav ntawm lub chaw balancing tshuab, kom tau dynamically balanced ib lub zuj zus, tab sis txij thaum cov sab nraud tsav txhais ntawm cov chaw ntsuas cav yuav tig seem xwb ntawm 3,000 r.p.m. nyob, yog ua tsis tau txog tebchaws ib tug me me tsis txaus thereof balancing lub tshuab coj mus muag.
Raws li, ib yam twj paj nruas uas tus invention tam sim no yog muab ib yig, kuas lub cev muaj zog qauv muaj peev ntawm ntsuas tus tsav kom tus tsav yog tau mus ua nyob rau hauv ib lub xeev kuas zoo dua tus tag nrho khiav hauj lwm ceev ntau yam.
In view of tus kwv saum toj no, tus invention tam sim no muaj ib kuas lub cev muaj zog qauv comprising ib txhais tau tias fixedly mounted rau ntawm tus ncej zis ntawm ib tsav rau defining ib qhov chaw externally tsau ua therein nrog lub plurality ntawm threaded ntxiv hauv lawv qhov xaus.
Lub electric tsav no feem ntau yog ib tug yam ntxwv los rau txoj kev ua ib lub cim labyrinth, thiab muab ceev ntes nyob ib ncig ntawm cov zis ncej thereof. Vim li no, thaum lub plurality ntawm qhov threaded ntxiv hauv lawv yog ua nyob rau hauv cov nplaim tus yam ntxwv hauv defining foob, labyrinth kom kheev ntsuas screws, i.e., me ntsuas qhov chaw, yuav tau threadedly nrog therein, tshuab yuav tau yooj yim balanced ntawm screwing tus ntsia thawv balancing hauv lub qhov taub threaded ntxiv hauv lawv, kom tus taw tes kom tsim nyog, rau li no tshem tawm qhov tsis txaus. Yog thaum uas siv cov threaded ntxiv hauv lawv qhov tsis tau tiav zoo tshuav nyiaj li cas, ib feem ntawm ib sab tivthaiv ntawm ib txoj hauj lwm tsim nyog ntawm cov uas nyob ib sab threaded ntxiv hauv lawv qhov yuav muaj drilled ua tau ib tug le thaum uas ib qho yog tshuav yog tau. Thaum tus muab ceev ntes tau ib tug muaj lub luaj li ib tug toothed disk iav, ntsej muag ntawm cov iav neeg txheej yuav tau txais rau lub hom phiaj tib. Namely, lub invention tam sim no yog los mus pab ib tug dynamic tshuav ib qho electric tsav mus muab tau los ntawm kev ntsuas ntawm tus tsis txaus thaum tshuab assembled yog tig tau raws li nws cov hwj huam tsav ntawm lub chaw balancing tshuab marketed ua ntsuas tshuab teb. Tus tsis txaus tau raug eliminated los screwing balancing ntsia thawv, los ntawm sab nraud tshuab, nyob rau lub threaded ntxiv hauv lawv lub qhov ntawm tus labyrinth foob-defining yam neeg thiab/los yog cov muab ceev tebchaws iav, rau ib txoj kev. Vim ntawm ob lub hauv ntej thiab tsheb hnub yuav tsum balanced tshuab, kom tau ib ob-taw tes tshuav, tshuab tau yuav yog dynamically balanced.
Daim duab 1 yog ib longitudinal sectional pom ntawm ib electric tsav incorporating therein ib dynamic balancing qauv raws li tus embodiment thawj lub invention tam sim no;
Daim duab 2 yog ib tug saib qab ntawm tus yam ntxwv hauv koj txoj kev labyrinth foob, raws li saib nyob rau hauv cov kev taw qhia tau tus xub A los yog B ntawm daim duab 1;
Daim duab 3 yog ib longitudinal sectional pom ntawm ib electric tsav incorporating therein ib dynamic balancing qauv raws li tus embodiment thib ob ntawm lub invention tam sim no;
Daim duab 4 yog ib tug saib qab ntawm ib tus tswvcuab iav siv rau tebchaws ib muab ceev ntawm lub tshuab, thaum tau saib nyob rau hauv cov uas xub C ntawm daim duab 3; thiab
Daim duab 5 yog ib longitudinal sectional pom txog lwm electric tsav incorporating therein ib dynamic balancing qauv zoo li uas muaj nyob hauv daim duab 1.
Tus invention tam sim no yuav tau nyob hereinafter with reference to embodiments dua thereof li illustrated hauv lub accompanying drawings.
Referring rau daim duab 1, lub hauv ntej bearing 20F thiab lub tsheb bearing 20R yog ntsuas ntawm hauv ntej lub tsev muaj 16 xyoo thiab lub tsheb tsev 18 los rau pem hauv ntej thiab tsheb hnub ntawm ib stator 10, feem. Ib rotor 12 integrally chav muaj ib cov zis ncej 14 txaus siab rau kev sib hloov mus los ntawm cov bearings 20F thiab 20R yog pov tseg radially opposite to stator 10. Lub Cheebtsam 24G thiab 24S ntawm kev kiv mus ntes rau tebchaws lub muab txoj hauj lwm thiab/los yog cov muab ceev ntawm lub qhov zis ncej 14 muaj ntsis muaj feem rau seem rear ntawm cov zis ncej 14. Nyob rau hauv embodiment no, lub pem hauv ntej thiab tsheb hnub ntawm cov zis ncej 14 cuag sab nraud ntawm hauv ntej tsev muaj 16 xyoo thiab lub tsheb tsev 18, feem.
Yog electric tshuab los tso zis ncej 14 me pem hauv ntej thiab tsheb hnub feem projecting sab nrauv rau pem hauv ntej thiab rear housings no los siv hauv ib tug lub cav uas los yog cov zoo li, feem ntau tus tsav los pab nrog cov ntsaws ruaj ruaj labyrinth nyob rau pem hauv ntej thiab tsheb hnub thereof, xws li, thaum kawg pem hauv ntej ntawm hauv ntej lub tsev muaj 16 xyoo thiab nyob hauv tus tw ntawm lub tsheb tsev 18 , feem yuav tiv thaiv tus nkag teb chaws roj pos huab thiab qhov zoo li muaj nyob hauv cov ambient cua mus rau hauv tsev hauv tshuab los khoob ntawm cov zis ncej thiab ntawm hauv ntej tsev hnub nyoog 16 xyoo, thiab ntawm cov zis ncej thiab lub tsheb tsev 18. Raws li, disk zoo li neeg 22F thiab 22R txoj kev ntsaws ruaj ruaj rau labyrinth nrog cov nyob pem hauv ntej 16 thiab lub tsheb tsev 18 no tas mus rau pem hauv ntej thiab tsheb hnub ntawm cov zis ncej 14, feem.
Lub kuas lub cev muaj zog tsa ntawm cov thawj embodiment ntawm cov invention tam sim no yog yus muaj los ntsuas tus tsav thaum uas siv tus pem hauv paus disk zoo li neeg 22F thiab tus rear disk zoo li neeg 22R, tom qab ua tiav qhov sib dhos ntawm lub tshuab.
Referring FIGS. 1 thiab 2, tus disk zoo li neeg 22F (22R) los pab, nyob rau ib qho txheej nto thereof raug sab nraum, nrog rau lub plurality ntawm threaded ntxiv hauv lawv qhov (nyob rau hauv embodiment no, kaum rau ntxiv hauv lawv threaded qhov) 22A nyob qhov qub radial txaus qhia thiab ntawm sib npaug zos angular. Tshuab qhia hauv daim duab 1 yog tig nyob hauv nws lub hwj huam tsav nyob rau lub teb chaw dynamic balancer, kom tus muab ceev ntawm lub qhov zis ncej 14 maj si rau tus nqi siab tshaj plaws muab ceev ntawm, piv txwv li, 15,000 r.p.m., ntsuas npaus thereof. Tom qab ntawd, balancing ntsia hlau 26 cuab kav nrog threaded ntxiv hauv lawv lub qhov 22A screwed nyob hauv lub threaded ntxiv hauv lawv lub qhov 22A rau tus taw tes tsim nyog uas tus tsis txaus measured yog dynamically tom rau raws li qhov tau kawg. Ntawm no tsis nyob ntev, txij tus ntxiv hauv lawv threaded qhov 22a rau cov pem hauv ntej thiab rear disks 22F and 22R kuj yuav siv rau qhov ntsuas ntawm tus tsav, laij cov hloov li cas lawm txog qhov nqi koj tshuav ntawm tus tsav yuav muab ntau zog.
Kev siv lub plurality ntawm hom ntsuas screws 26 muaj lengths ntau ntxiv xim pab txoj kev balancing cov cav laij. Kev balancing nyob tshaj yog rau cov disk zoo li neeg 22F thiab 22R yuav tau drilled rau yam depths tshem tej residual tsis txaus cov tshuab li no.
Qhov siv ntawm rear seem ntawm tus electric tsav qhia hauv daim duab 3 incorporating tus balancing qauv raws li tus embodiment thib ob ntawm lub invention tam sim no yuav txawv cov rear seem ntawm tus tsav qhia hauv daim duab 1. Namely, tus tw ntawm ib cov zis ncej 14 tas sij hawm ntawm lub Cheebtsam 24G thiab 24S tus muab ceev ntes thiab txias kiv cua 30 yog pov tseg tsav cov zis ncej 14.
Thaum tus tsav ntawm no embodiment no yog dynamically tus balanced los ntsuas tshuab teb tau, txias ntxuam 30 thiab lub rear hau 18a ntawm lub tsheb tsev 18 xyoo yog ib ncuas tshem tawm. Ib qab tsib disk zoo li tug 22F los pem hauv paus kawg ntawm tus tsav, thiab cov iav hauv 24G ntawm qhov muab ceev ntes rau ntawm daim tw yog ua mob ntxiv hauv lawv threaded tau qhov 22A ntawm sib npaug zos angular, raws li muaj nyob hauv daim duab 2, thiab ntsuas screws 26 cov screwed hauv lub threaded ntxiv hauv lawv qhov 22A, mus ntxiv kom tsim nyog, kom yoov ntsuas los ntawm lub tshuab balancing npaus li no.
Daim duab 4 illustrates tus neeg 24G pub nyob rau hauv cov uas xub C. iav
Daim duab 5 illustrates ib electric tsav los ib tug ncej zis hollow 14', txhob siv cov zis ncej 14 ntawm tus tsav ntawm daim duab 1. Ncej 14' hollow cov zis muaj ib qab kawg los ib coupling tug 34, thiab tw txuas nrog lub teb ob leeg 32.
Tus invention tam sim no tseem muaj feem xyuam rau qhov ntsuas ntawm lub tshuab uas yuav siv ib hom xws li illustrated hauv daim duab 5.
Khees li ntawm tus hauj lwm foregoing, raws li tus invention tam sim no, tsis txaus rau ntawm ib qho electric tsav yuav tau txhua yam, tab sis eliminated tom qab kiag li assembling tshuab, tsuas yog siv ntsuas screws. Txij li disk taw kom cov ntsaws ruaj ruaj labyrinth thiab cov iav tug muab ceev ntes kom tau txais cov nyiaj rau balancing screws yog ib cheebtsam ntawm lub electric tsav, siv cov disk zoo li tub tes tub taw kom cov ntsaws ruaj ruaj labyrinth los yog cov iav li tus txhais tau tias kev uas muab ib tug dynamic ntsuas ntawm tus tsav tsis appreciably kom raug tus tsav. Tas, vim tshuab balanced tom qab ua tiav qhov sib dhos ntawm cov tsav, tshuav resultant tshuab muaj meej heev.
