Kodi kuonanso valavu crankcase mpweya?

Ngati SVKG injini sizikuyenda bwino, tingathe kupulumutsa mwini galimoto mavuto ambiri. The mkati kuyaka injini crankcase kumawonjezera mphamvu ya kuthamanga gasi, chifukwa chimene mafuta cholizira kuchokera pansi gasket lapansi. Gaza adzakhala kufunafuna ming'alu aliyense kupita kunja. Choncho, mafuta lidzayeretsedwa kutsika kwa zopangitsa lapansi. Kuti mpweya akhoza kutuluka chipika injini, mu magalimoto amakono, otchedwa amakakamizidwa mtundu mpweya wabwino. Apa, ndi mpweya dilution ndi mawere mu njira kudya, kenako kulowa m'chipinda kuyaka, kumene kutenthedwa. Ndi udindo uwu vavu crankcase mpweya. Nthawi zina pali zolakwa zosiyanasiyana zokhudza dzuwa la powertrain lapansi.

Chiwembu tingachipeze powerenga za PCV ndi

SVKG anakonza mosavuta. Cavities galimoto olumikizidwa kwa zakudya zobwezedwa. Chifukwa zotsatira za underpressure ikutuluka mpweya wa crankcase ndi mawere mu zakudya zobwezedwa. Pambuyo iwo kulowa m'chipinda kuyaka. Mmodzi mchitidwe dongosolo - valavu mpweya crankcase. Iwo anatilangizira njira imodzi yokha, choncho mpweya angachititse yekha mu njira imodzi. Iwo sangakhoze kubwerera mu galimoto patsekeke. Kachitidwe ka mpweya mpweya pa mfundo za kanthu amatikumbutsa breather, amene akupezeka mu PPC kapangidwe ndi galimoto milatho. Komabe, ngati kufala limagwirira HF atsegula, potero kumasuka mpweya mu chilengedwe, ndiye injini ndi chifukwa cha kumaliseche linanena bungwe ndi kwambiri bwino mu unit mphamvu. Chitsanzo chimodzi - injini ZMZ-24. Ndi ntchito SVKG lotseguka. Mpweya ukhoza kupita mu mlengalenga mwa chubu, yomwe inali mu chivindikiro cha pusher lapansi. Kuyambira 1977, ntchito yomanga kumanzere ndipo anayamba kugwiritsa ntchito yaukapolo dongosolo mpweya wabwino. Izo zinali kutsekedwa. Kudzera payipi wapadera amene anapita ku chikuto cha mavavu injini, mpweya pansi carburetor lapansi. Chifukwa kukhazikitsa njira zothanirana ndi kuchepetsa mpweya zinthu woopsawo mu chilengedwe. Iwo anakwanitsa kwambiri kuchepetsa mlingo wa kuthamanga mkati crankcase lapansi. N'zotheka kuthetsa mavuto ndi zisindikizo extruded ndi gaskets. injini yochepa kupuma, kuchuluka powertrains ludzu. Chakale SVKG chiwembu amapereka mitundu iwiri ya asilikali mpweya kumaliseche - ndi co-panopa kukhonda kuchotsa. Mwachitsanzo - dongosolo zikugwira ntchito pa ZMZ-402. injini Izi mwachindunji ku valavu zobwezedwa chivundikiro kudzera mpweya chapamwamba amachoka mu carburetor lapansi. Palinso m'munsi chitoliro. Bukuli lakonzedwa kuti kukhetsa KG anyalanyaza ndi carburetor mwachindunji mu kapepala zakudya.

Valavu mpweya crankcase m'mbiri

Takambiranazi mfundo ntchito yaukapolo dongosolo mpweya wabwino. Monga taonera, kapangidwe pachimake ndi valavu wapadera, ndi udindo yobwezeretsanso mpweya. Izi chipangizo yosavuta kumathandiza kuchepetsa mlingo wa mankhwala zoipa. Kwa nthawi yoyamba za kufunika zipangizozi ayamba kuyankhula mu 70s lapansi. Zinali nthawi imeneyi anayamba kuganizira mofatsa za chilengedwe ndi za mavuto kuti ndi utsi mpweya. Kudzera ntchito crankcase mpweya recirculation vavu afterburned mu zonenepa ndi. Popeza Mankhwala oipitsa osiyanasiyana amene combusted, mafuta ndi zinthu zina. Valavu mpweya crankcase zaka 15 kwambiri anasintha kangapo. Akatswiri anasintha dongosolo ake ndi mfundo ntchito. M'chaka 77 ife anayamba ndi ntchito dongosolo makina ndi counterpressure positive. zaka 2 kenako m'chaka 79th, izo m'malo mwa vavu makina, koma ndi makhalidwe oipa. Mu 88th ife anayamba kukhazikitsa mavavu apawokha ndi solenoids atatu. C 90s akhala mwakhama ntchito zipangizo apawokha ndi solenoids awiri. limagwirira Izi zikhoza kulamulira otaya mpweya chifukwa dzenje waukulu ndi wina waung'ono. Izi zipangitsa atatu osiyana otaya. Izi inali yodalirika ndi bwino ntchito ngakhale lero mu magalimoto amakono (mwachitsanzo, "Kia Sorento" vavu mpweya crankcase).

Mfundo ntchito

Pamene osakaniza mafuta ndi mpweya combusted mu chipinda pa kutentha kwambiri, asafe ndi adzamasulidwa. Pamodzi ndi mpweya, akhoza kupanga zinthu zoopsa zimene zimawononga chikoka pa chilengedwe. Izi oxides asafe. Akamaziwononga chipinda kuyaka mu kutentha injini kuyaka ndi wamkulu kuposa muyezo, chifukwa chimene kuchuluka kwa oxides asafe ndi kwambiri. Ambiri analimbana ndi kugumula pansi chipika engine. Kuti zoipazi sizikula mlingo yovuta, m'pofunika dzenje. Mpaka ndiye, mpaka injini akanapanda akuyendera dongosolo yobwezeretsanso, mipweya, monga taonera kale, akubwera kuchokera crankcase breather. Tiyeni tione mmene valavu mpweya crankcase. Mfundo ntchito ndi lophweka. Bukuli lili ndi zotsatira za zingalowe m'malo mwa zakudya zobwezedwa. Mu njira iyi, ndi zingalowe transducer, valavu kutsinde amayendayenda, potero kutsegula chipangizo. Mu magalimoto amakono mitundu iwiri ya zipangizo ntchito. Izi makina ndi zipangizo kachitidwe. Nawonso pakompyuta akadali ogaŵikana mitundu iwiri - apawokha ndi liniya. The nyumba ya zingalowe m'malo kabowo pa chipika yamphamvu ali doko kuyamwa. Iye akulowa carburetor kapena fulumizitsa ngodya. Malinga ndi zimene mtundu wa maganizo amapezeka mu zakudya zobwezedwa, shutter kabowo m'kati kutsegula makina pa ndalezo stepless kosangalatsa. Izi amapanga mbendera enieni kutsegula amagetsi vavu Kakhungu. Pamene mlingo chizindikiro kumawonjezera, ndi zakulera iyamba kusuntha m'mwamba ndi mphamvu ya masika ndi anasamutsa plunger. Chifukwa ichi, mu vavu kutsegula analandira. Mipweya akhoza kulowa zakudya zobwezedwa. Ngati galimoto ndi kusakhala ndi chochita kapena pamene mlingo zingalowe m'malo mwa posungira ndi zazing'ono, plunger yatsekedwa. Mipweya kupita zobwezedwa sadzakhala kuchita.

Vavu chipangizo VCG

Mu injini kuyaka mkati amakono kaŵirikaŵiri ntchito mtundu Kakhungu vavu PCV. chipangizo ndi losavuta kwambiri. Amafotokozera tichipeza thupi ndi zovekera awiri. Amene amatumikira kwa akudyetsa chachiwiri - chifukwa lililonse mpweya. Palinso chipewa, zakulera kapena Kakhungu ndi kubwerera kasupe.

Features ntchito ya valavu PCV

Mapulani ntchito motere. Pamene injini osati akuthamanga, valavu pansi masika mphamvu ya crankcase mpweya "Audi A4 'adzakhala oletsedwa chifukwa Kakhungu lapansi. Pamene injini kusakhala ndi chochita, zingalowe m'malo chifukwa Kakhungu akuyamba pang'onopang'ono kuthetsa masika. Part mpweya kuchokera injini amalowa ndi madyedwe zobwezedwa. Imathamanga mkulu Kakhungu ndi kwathunthu lotseguka. Gaza kwathunthu odzipereka mu wokhometsa lapansi.

Mavuto Common

mavuto onse amene angayambe ndi chipangizo yonseyi ikhonza kuikidwa mu mitundu iwiri - kusokonezeka osiyanasiyana valavu ndi clogging. Pa iwo ayankhidwa pansipa. Nthawi zambiri mwa zifukwa zimene amalephera crankcase mpweya vavu ( "Polo 1.4" - nazonso) kutali zachilengedwe avale zigawo zikuluzikulu ndi mbali mu gulu yamphamvu-pisitoni. Ngati kuyaka ali ofooka psinjika zipinda, ndi mafuta mphete pa pisitoni magwiridwe lubricant pamene kuthamanga mafuta kuwonjezeka crankcase. Dongosolo mpweya sangathe kulimbana ndi chodabwitsa. Mafuta, mwaye ndi mankhwala ena kuyaka kwenikweni kuononga mapaipi ndi hoses, potero kunyengerera umphumphu wa vavu Kakhungu. Ngati nozzles kukhala yatsekera, ndi clogging a dongosolo mpweya wabwino, mpweya wa adzayesa kuthawa mwa malo aliwonse zotheka ndi kugwirizana. Choncho, otaya kudzera zisindikizo ndi gaskets cholizira mafuta.

Plugged

Valavu mpweya crankcase "Passat B3", monga ena onse a mtundu uwu, sachedwa clogging. Zimenezi zingachititse kuti jamming wa limagwirira lapansi. Chodabwitsa kwenikweni zimakhudza ntchito engine. Ngati vavu ndi munakhala mu malo lotsegula, adzaukitsa liwiro osagwira akhoza kukula mkati mwa mowa kwambiri mafuta. Engine kusakhala ndi chochita amakhala osakhazikika. Ngati valavu mpweya crankcase ( "Skoda Octavia" nthawi zambiri amadwala izi) kamakhala munakhala mu malo chatsekedwa, pamenepo padzakhala kuwonjezeka mpweya kuthamanga mu crankcase lapansi. Anaona zonse zotheka mafuta kutayikira kwa zisindikizo ndi gaskets. Kawirikawiri zolakwa zoterozo kwambiri akusokoneza dongosolo mafuta.

Kodi kuonanso chipangizo? njira №1

Ngati galimoto zimawonedwa zizindikiro zofanana, m'pofunika kuyesa vavu PCV. Pali njira ziwiri ayese. Ngati inu kuchotsa valavu crankcase "Passat B3", kuchotsa wake atenge malo okhawo njira imodzi. Adzabwerenso mpweya akudutsa pafupifupi asapembedzere. Iwo ankaloledwa pang'ono za izo, zomwe zichitike. Ngati zonse zili bwino, ndiye dongosolo akugwira ntchito.

njira №2

Yachiwiri - ndi kuyesa pa injini kuthamanga. Chifukwa chaichi vavu ndi sakukhudzidwa ndi mapaipi a zakudya zobwezedwa. Ngati item zosalongosoka, ndiye adzakhala akatulutsidwa. Iwo akhoza anamva, ngati inu chala chanu ukwati. Mudzamva ngati chala amakhala ku una. Ngati vavu ndi olakwika crankcase "Volkswagen Touareg", ndiye kukwaniritsa mfundo sadzapezekapo.

Features crankcase machitidwe mpweya galimoto gulu VAG

Nsombazi ndi VAG magalimoto ndi chipangizo ndi zovuta. dongosolo amagwiritsa ntchito yaikulu mwatsatanetsatane ku mapulasitiki ndi nsonga zamabele mphira. Pa ntchito yogwira galimoto coked hoses lapansi. Ndiye kuchotsa zinthu zonse. Poyamba mu nkhani iyi, vutoli anathana chabe. Dongosolo mpweya kulambalala kuti kuphimba valavu dongosolo anaika chubu kapena payipi ndi mpweya anamasulidwa mu chilengedwe. Koma njira imeneyi ali kwambiri zolakwa. Gaza kwambiri amaipitsa malo, dalaivala ndi okwera mu galimoto, kwambiri, kupuma. Pa magalimoto amakono kotero palibe amene sachita nawonso, ndipo ngati yatsekera kuti VW vavu mpweya crankcase, mwini ayenera kuyeretsa dongosolo lonse. Mipweya crankcase pa injini VAG magulu zichokera osati ku valavu chivundikirocho ndi chipika injini, amene yakwera mu olekanitsa inabala (ili kumanja a pachikhalidwe ndi). chipangizo salola mafuta pamwamba pa nozzles mu SVKG. Kuti mpweya ndendende basi. Kwa olekanitsa mafuta affixed chubu pulasitiki ndi pakati pa chubu ndi chubu izi waikidwa poponya, ndi momwe vavu ili. Iwo umagwira ntchito modes atatu. Pa zachabezo ndi mkulu rpm ndi chatsekedwa, ndipo anatsekula pamene galimoto ikulira pa liwiro sing'anga.

Pomaliza

Monga taonera, dzuwa injini amadalira chinthu yaing'ono. Pamene ntchito yogwira galimoto n'kofunika kuyan'ana mkhalidwe wa valavu ndi dongosolo lonse la mpweya, ndi kuthana ndi yoyeretsa ya zofunikira.