PATMEY LULO'TA' CHAB

improvements rotary pumps je vI'Iprup specifically pumps 'ej QuQ 'e' flexible impellers pump action jIr incorporate [0001] puS relates chab.

vaj naw' impeller via megh'an yuvtlhe' chaw' housing qar chaq [0002] pumps 'ach rotary. yItungHa', qaH QaQ impeller pong yItungHa', qaH QaQ tIH bIQ tu'lu'be' vegh inlet DeSDu' joH rop 'eS luH 'ej vegh qabDaq 'eS Daqvam DeSDu' joH rop veb expelled.

[0003] ghaH refinements 'ej QuQ 'e' laH chel basic chut lulajpu'bogh jIH pump yIqaw je 'ej chalvaD HeS pump reliability ghur je chavmoH ghap pump HeghDI' poQ jIpawnIS simplifying boQ mI'.

[0004] qaStaHvIS be applications, such as marine QuQ, pumps, cooling 'oH Qatlh ngu' qaSchugh pump yabDaj mISmoHwI' QuQ overheating HurDaq partial dismantling pump visually inspect flexible impeller QIH.

[0005] qaStaHvIS installations marine QuQ numerous naw' pump Qatlh extremely because of restrict naw' QuQ compartment physical location cool pump QuQ je.

[0006] qaStaHvIS 'op cases 'oH moj 'ut adjacent 'ay' QuQ such as alternators yItungHa', qaH QaQ qogh 'ej teq 'eb, So'meH exchangers bIr mIw wIje'laHbe'chugh vaj etc, Soq naw' cool pump laH ngoDqoq luHar Qom ghegh ngeng overheat QuQ pa' 'oH tuj.

naw' restricted [0007] vabDot Hutlh cool pump, pIj QatlhwI' impeller inspection qa'meH muHIvtaHbogh frictional engagement DuqIppu'chugh impeller 'etlh inner tlhoy' pump housing joq teq. exacerbated removal qay' qaStaHvIS yIteb capacity jen pumps nuqDaq relatively jeD impeller 'etlh je jen SabHa' raD against pump housing apply.

[0008] reH vISangchu'Qo'chugh, vaj tu'lu' qechmeyDaj Huj corrosion yav pump yItungHa', qaH QaQ tIH yItungHa', qaH QaQ pIn ghaH je jojDaq impeller, poQ substantially matay'DI' axial raD impeller teq.

[0009] chenmoHta' law' nID rIn poH shortcomings "jabsco" (tm) Segh tIn mInDu'Daj 'ej boch pumps joq vuDwIj puj DuHIvDI' improvements therein depending Dor lo' application ghaH.

[0010] ru'bogh example impeller removal yItungHa', qaH QaQ pIn vay'mo' frictional engagement SabtaHbogh yItungHa', qaH QaQ tIH nd pong SoHvaD chenmoH lang connection therebetween baS chaw' vIHtaHbogh 3 °-5 ° luj ghotvetlhDaq chalvaD HeS capable naQ yItungHa', qaH QaQ torque Qay vISov SoQ british patent specification 870662.

Ha' [0011] australian patent specification 244389 je impeller tuQ pong replaceable impeller 'etlh neH DochHa'meH nagh pa' u.s. pat Del DuHIvDI'. 2,976,811 ghobe'.

[0012] u.s. pat. pump paste Hap 'u' Sub luch planetary rotor QujmeH moQ piston pump spherical rotor ghIq 'ej respectively Del nos. 3,592,572 'ej 2,678,003.

[0013] u.s. pat. replaceable impeller integral qIvDaj, pa' impeller 'etlh flexure DaQaHlu'meH Dumerbe' ghaj Del ghobe' 3,054,355.

[0014] u.s. pat. mounting 'ej removal woDlu'chugh baS centrifugal jejlaw' blower rutlh Del ghobe' 4,538,962 yItungHa', qaH QaQ tIH by means of pagh tlhay Sam yav tIH rutlh hub je jojDaq taper bushing.

[0015] u.s. pat. bop ghobe' 4,538,962 mounting removal propellor yItungHa', qaH QaQ tIH 'ej pong le' naHlet adapted taHtaHvIS propellor pIn.

[0016] object chab qaSlaH overcome 'op disadvantages wovbe' ghap consumer DuHIvDI' lI' pagh commercial wIv.

SUMMARY CHAB

qaStaHvIS impeller rotary pump Segh impeller flexible 'etlh, ghIq Dab [0017] je wa' chenmoH chab jatlh impeller removably Sam neH pump removable 'er'In yuvtlhe' naw' jatlh impeller, chaq tuq impeller. ghaH qaStaHvIS lo' jatlh impeller yItungHa', qaH QaQ pIn Surgh screw aperture ghIq DeSDu' wa' 'er'In HoS'a'wIj DaH nobvam jatlh , tIH compressively engageable je tlhab bertlham jatlh yItungHa', qaH QaQ tIH Surgh, removable vo' pump yItungHa', qaH QaQ tIH pong rotation neH jatlh aperture screw.

[0018] transparent vanglu'Qo'DI' yuvtlhe' transparent tuj resistant insert pong spacing qej logh 'ej chaq DaH nobvam pump.

[0019] chaq chenmoH vo' yuQmeyDaq Hap 'u' 'ej chaq yuQmeyDaq tu'lu'bej size joq vay' insert transparent tuj resistant. preferably, chenmoH insert transparent tuj resistant vo' borosilicate HIvje'.

[0020] chaq chenmoH vo' yuQmeyDaq Hap 'u' 'ej chaq yuQmeyDaq tu'lu'bej size joq vay' transparent vanglu'Qo'DI' yuvtlhe'. preferably chenmoH transparent vanglu'Qo'DI' yuvtlhe' vo' acrylic mep such as perspex polycarbonate mep such as lexan pagh.

[0021] chaq chenmoH spacing qej vay' yuQmeyDaq chenmoH. example spacing qej chaq mounting Qeb. transparent insert chaq 'uch spacing qej HoptaHvIS tI' vo' transparent vanglu'Qo'DI' yuvtlhe'. alternatively, position qej 'e' transparent tuj resistant insert narghtaHvIS 'oH position against impeller chaw' ghajbogh spacing qej. position qej chaq substantially flexible "baQa'" Ha'. "baQa'" Ha' chaq nIvqu'.

[0022] chaq attached pump 'er'In yuvtlhe' housing pong qej mounting. mounting fastener 'e' nobmeH vegh pump 'er'In yuvtlhe' je retain tlhay unwant removal mounting screw pump 'er'In yuvtlhe' vo' bot extend chaq DaH nobvam mounting qej.

[0023] mounting fastener chaq Hol fastener such as nov bolt phillips nach screw pagh.

[0024] chaq Dumerbe' retain tlhay vo' vay' yuQmeyDaq tubular flexible Hap 'u'. preferably chenmoH retain tlhay rubber natural pagh synthetic.

[0025] nobmeH attached yItungHa', qaH QaQ tIH 'ej plurality flexible 'etlh, extending outwardly vo' hub, qu' 'oH net 'etlh removable vo' hub 'e' hub qar chaq DaH nobvam impeller.

[0026] chaq inserted pagh teq vo' hub pong 'etlh vIH neH axial lurgh relative to hub 'etlh.

[0027] quvmoH 'e' qawqu' logh qoghDu'DajDaq slots vaj jIHMej laH inserted correspond Dor QIt ropwI'qoq yab 'etlh plurality chaq ghaj hub.

[0028] Hoch 'etlh chaq substantially symmetrical qabwIj 'e' laH inserted either Dor QIt ropwI'qoq yab 'etlh vaj qoghDu'DajDaq slot.

[0029] chaq chenmoH je hub 'etlh vo' pIm Hap 'u' pIm tuQ bang ghaj vaj 'e' Qap batlhchaj hub 'ej 'etlh vI'Iprup effectively.

chaq Sam ta'wIj'e' a [0030] qaSlaH wa' 'er'In bIQ Qey mIch SabtaHbogh respective 'etlh cher substantially hub. preferably, "baQa'" Ha' ta'wIj'e'.

[0031] Surgh waQmeH ghaH qaStaHvIS QumpIn yItungHa', qaH QaQ pIn jIvlaw' 'e' laH jIr Surgh shank 'emvo' Surgh qung yItungHa', qaH QaQ pIn teq vo' yItungHa', qaH QaQ tIH chaq je DaH nobvam impeller.

[0032] chaq shank vay' yuQmeyDaq chenmoH. preferably, shank Surgh chenmoH 'ay' bolt. yIDoH Ha' laH applied poQ amount torque through the use of spanner rur pagh bolt.

[0033] chaq attached yItungHa', qaH QaQ tIH impeller pong luj ghotvetlhDaq jan 'e' qaSlaH vuS relative rotation DuqIppu'chugh yItungHa', qaH QaQ tIH impeller chaw'.

[0034] chaq luj ghotvetlhDaq jan vay' yuQmeyDaq chenmoH. motlh, qaSlaH wa' impeller ngaQHa'moHwI'mey mounted impeller 'ej tIH yItungHa', qaH QaQ qaSlaH wa' ngaQHa'moHwI'mey mounted yItungHa', qaH QaQ tIH jIvlaw' 'e' HuvHa' yItungHa', qaH QaQ tIH rotation Hoch latlh impeller jIr contact ngaQHa'moHwI'mey DaH nobvam luj ghotvetlhDaq jan.

[0035] preferably nIvqu' Qeb mountable impeller wej quvmoH 'e' qawqu' logh impeller ngaQHa'moHwI'mey Dumerbe' inner circumference Ha', 'ej mongDech mountable yItungHa', qaH QaQ tIH wej quvmoH 'e' qawqu' logh yItungHa', qaH QaQ tIH ngaQHa'moHwI'mey Dumerbe' outer circumference mongDech ghaj ghaj comprises luj ghotvetlhDaq jan.

chaq lo' [0036] a joH rop nipple Dapvetlh joH rop 'emvo' pump qIlmeH pIj 'ej je cam pump ngaQ. qaSpu'DI' trial tu' 'oH experimentation 'ej mamej nIv joH rop proportional 'eS Daqvam joH rop pump yInob vegh cam nipple placement.

chaq attached [0037] a Hat warning jan transparent tuj resistant insert Hat pump jIH.

[0038] Hat chaq attached jan adjacent ghuHmoH legh legh 'ach nom legh transparent centre insert transparent tuj resistant insert je tuj generated friction impeller rubbing against pump centre.

[0039] neH latlh chenmoH, pump 'er'In yuvtlhe' DaH nobvam chaq DaH nobvam chab:

[0040] yuvtlhe' vanglu'Qo'DI' transparent nobmeH attached pump housing;

[0041] transparent tuj resistant insert vay' impeller contact; je

[0042] transparent tuj resistant insert vo' transparent vanglu'Qo'DI' yuvtlhe' logh qej spacing.

[0043] rap features chaq ghaj pump 'er'In yuvtlhe' Hoch previously Del.

[0044] neH latlh chenmoH chaq DaH nobvam chab impeller DaH nobvam:

[0045] hub nobmeH attached yItungHa', qaH QaQ tIH 'ej plurality flexible 'etlh, extending outwardly vo' hub;

[0046] qu' 'oH net 'etlh vo' hub removable.

[0047] rap features chaq ghaj impeller Hoch previously Del.

[0048] neH latlh chenmoH removable 'etlh, flexible impeller megh'an QIt ropwI'qoq yab 'e' nobmeH inserted 'emvo' qoghDu'DajDaq slot hub impeller DaH nobvam chaq DaH nobvam chab.

[0049] rap features chaq ghaj 'etlh Hoch previously Del.

[0050] neH latlh chenmoH, impeller Surgh aperture ghaH qaStaHvIS QumpIn yItungHa', qaH QaQ pIn impeller qabwIj 'e' laH jIr Surgh shank 'emvo' Surgh qung inwardly, petaQ impeller yItungHa', qaH QaQ pIn teq vo' yItungHa', qaH QaQ tIH shank vIH DaH nobvam chaq DaH nobvam chab.

[0051] rap features chaq ghaj impeller Hoch previously Del.

[0052] neH latlh chenmoH, luj ghotvetlhDaq jan yItungHa', qaH QaQ tIH rar impeller chaq DaH nobvam chab, yItungHa', qaH QaQ tIH qup HoS 360 qechmeyDaj Huj Hutlh impeller rotation rotation reverse, luj ghotvetlhDaq jan chaw'.

[0053] rap features chaq ghaj luj ghotvetlhDaq jan Hoch previously Del.

[0054] neH latlh chenmoH joH rop nipple 'ej QuQ choHwI'maj joH rop 'emvo' pump qIlmeH pIj je je cam pump ngaQ Dapvetlh chaq DaH nobvam chab.

[0055] rap features chaq ghaj nipple Dapvetlh joH rop Hoch previously Del.

[0056] neH latlh chenmoH Hat warning jan pump, Hat warning jan megh'an yuvtlhe' Hat pump jIH attached chaq DaH nobvam chab.

[0057] chaq constructed 'er'In yuvtlhe' vo' vay' yuQmeyDaq Hap 'u' such as baS. preferably constructed 'er'In yuvtlhe' nagh 'e' previously Del.

[0058] Hat chaq attached jan adjacent ghuHmoH yuvtlhe' Qav 'oH centre.

[0059] chaq attached Hat warning jan insert transparent tuj resistant.