PCV valve

Iyo crankcase ventilation valve (CVKG) kana PCV (Positive Crankcase Ventilation) inoshandiswa kushandiswa kunobudirira yakaumbwa mukrankcase gasi musanganiswa. Chikamu chacho chakaiswa pamhando dzakawanda dzemazuva ano ine jekiseni rekushandisa mafuta uye inotora chikamu chezita mukugadzirisa kuumbwa kwemhepo-mafuta anosanganiswa. Kushanda kusina kunaka kweVKG valve kunotungamirira ku kutambisa mafuta и kushanda kusina kugadzikana kwejini inopisa mukati.

Isu tichatsanangura zvakadzama mudziyo, musimboti wekushanda, kuputsika uye nzira dzekutarisa PCV valve pazasi.

PCV valve iri kupi uye ndeyei?

Nzvimbo yePCV valve zvakananga inobva pakugadziriswa kwemotokari. Kazhinji, chikamu chinovakwa muvhavha yevhavha yejini inopisa mukati, asi inogonawo kuiswa mune imwe imba yakasiyana, yakasanganiswa nemafuta anoparadzanisa, pedyo nayo. Iyo yekupedzisira sarudzo inoshandiswa zvakanyanya muzvizvarwa zvazvino uye mhando dzeBMW neVolkswagen.

Iwe unogona kuwana iyo crankcase ventilation vharafu nepombi yakatetepa inoshanduka ichibva pairi, yakabatana nemhepo duct munzvimbo iri pakati peyekupinza uye throttle.

Kuti iyo crankcase valve inotaridzika sei inogona kuoneka mumufananidzo nemuenzaniso wakanaka.

Где находится клапан вентиляции картерных газов на VW Golf 4, нажмите для увеличения

Где стоит клапан pcv в Audi A4 2.0, нажмите для увеличения

Расположение КВКГ на Toyota Avensis 2.0, нажмите для увеличения

Chii chinonzi crankcase ventilation valve chinokonzera?

Chinangwa chikuru chePCV valve ndeye crankcase gasi vhoriyamu mutemoinopihwa kune iyo throttle nzvimbo mune dzakasiyana modhi dzekushanda kweinjini yekupisa yemukati. Izvi zvinowana imwe chaiyo dosing yemhepo kugadzira chiyero chakakwana chemusanganiswa wemafuta emhepo. Uyezve, KVKG inodzivirira kupisa kwe crankcase magasi ne flashback mukutora.

Chishandiso uye kuti iyo crankcase ventilation valve inoshanda sei

VKG valve mudziyo: vhidhiyo

Zvimiro, ichi chikamu mu crankcase ventilation ivharuvhu yebypass, ine muviri une mapaipi maviri ebazi uye chinhu chinofambiswa chinoshanda.

Mumavharuvhu akavakirwa-mukati ePCV, mavharuvhu ekupinda nekubuda anovharwa neplunger, uye mune ayo ari mune imwe imba ine muparadzi wemafuta, ne membranes. Zvitubu zvinodzivirira kukiya chinhu kufamba zvakasununguka pasina pesvedzero yekunze.

VKG valve inoshanda sei?

Nheyo yekushanda kwevhavha yePCV inobva pane shanduko yekupinda mukati. Zvinokwanisika kusiyanisa 4 basic states dzeKVKG zvichienderana nedhigirii yekuvhura uye huwandu hweanopfuura crankcase magasi.

Iyo dhigirii yekuvhura kwePCV valve zvinoenderana nemaitiro ekushanda kweinjini yekupisa mukati

Mode	ICE haisi kushanda	Idling/Deceleration	Kufamba kwakafanana, kumhanya kwepakati	Kukurumidza, kukwidziridzwa kwepamusoro
Vacuum mune yakawanda yekutora	0	yakakwirira	pakati nepakati	Yakaderera
PCV valve mamiriro	Yakavharwa	ajar	kazhinji kuvhurwa	Kuvhurika zvakazara
Huwandu hwekupfuura crankcase magasi	0	diki	pakati nepakati	Makuru

Kubva kudivi rekupinza, kudzvanywa kwakagadzirwa nemacrankcase gasi kunoshanda pavhavha. Kana yadarika simba remuchirimo, chinhu chinovharira gomba (membrane kana plunger) chinopinda mukati, chichivhura kupinda kwegasi musanganiswa kune sefa imba.

VKG valve mudziyo muVW Polo

Kuzadza KVKG muChevrolet Lacetti

Panguva imwecheteyo, kubva kudivi rekubuda, vharuvhu inobatwa nevhavha (kumanikidza pasi peatmospheric), iyo inogadzirwa mune yakawanda yekutora. Kudzora nzvimbo yekuyerera yevhavha inobvumidza iwe kutungamira chikamu chemagasi kubva ku crankcase, inounganidzwa pasi pevhavhavhavhavhavha, munzvimbo iri pakati pemhepo sefa uye throttle valve. Muchiitiko cheflashback uye kudonha kwakapinza kwevacuum mune yakawanda yekudyara, kubuda kweKVKG kwakavharwa zvachose, nekudaro kudzivirira kupisa kwegasi rinopisa musanganiswa.

Chii chinonzi PCV valve?

PCV valve modes

Ivhavha yePCV inobata zvakananga kushanda kwejini inopisa mukati, kugadzirisa maitiro ekugadzira musanganiswa. Nekushandura nzvimbo yekuyerera yechiteshi, inogadzirisa kupihwa kwe crankcase magasi ane zvimedu zvinopisa mugero remhepo pamberi uye mushure meiyo throttle. Izvi zvinokutendera kuti ushandise crankcase ventilation system zvinogoneka uye panguva imwechete kudzivirira kupinda kweiyo isingaverengeki yekupisa-mhepo musanganiswa mune yakawanda inopinza.

Kana iyo crankcase ventilation valve ikakundikana, inodyiswa mukati mekutora zvakawandisa, kana kusatomboshanda. Uyezve, munyaya yekutanga, izvi kazhinji hazvigadziriswi nemhando ipi zvayo, uye muchiitiko chechipiri, zvinotungamirira kuedza kururamisa kusina kukodzera kwemhepo-mafuta musanganiswa.

Nekuda kwemweya wakawandisa unopinda mukamuri yekupisa, injini yekupisa yemukati inotanga zvakanyanya, kutadza kunogoneka panguva yekumhanyisa kana mune zvimwe zviitiko kana zvichidikanwa kuwedzera traction. Kujamba kwevhavha kunogona kukonzera kuwedzera kwekushandisa kwemafuta uye kuwedzera-kupfumisa magungano emafuta, zvichikonzera kutadza kushanda uye kudengenyeka kwemota panguva isina basa.

Valve mu crankcase ventilation system

Zviratidzo uye Zvikonzero Zvokuputsika PCV Valve

ICE kumhanya inorembera nekuda kwePCV vharafu uye kugadzirisa dambudziko: vhidhiyo

Kunyangwe iyo crankcase ventilation valve ine chishandiso chiri nyore, nguva nenguva ichiri kutadza kana kusashanda nemazvo. Ndezvipi zviratidzo zvevhavha yeVKG yakaputsika? Kazhinji ndiyo:

• vibration yeinjini yekupisa yemukati, yakasiyana nekatatu;
• kuridza muridzo mukutora kakawanda mushure meprogazovka;
• kukundikana mukudhonza kubva 3000 kusvika 5000 rpm;
• RPM kuchinja.

Nekusangana nematambudziko mu crankcase ventilation, kuwedzera kwekushandisa kwemafuta, oiri ye throttle valve uye hoses yemhepo inotungamira kubva kune crankcase inogoneka.

Ndeapi kuputsika kweiyo crankcase gasi valve kunogona kuve?

Kazhinji pane kukanganisa kwekuoma kweimba nekuda kwekukuvara kwemagetsi (somuenzaniso, panguva yekuisa mushure mekuchenesa) kana kushanda kusingatarisirwi, kuzarura kusina kukwana uye kuvhara kwema dampers nekuda kwekuroorana kwavo.

Saka, zvikonzero zvikuru zvekukundikana kwePCV valve ndezve kuparadzwa kana kudhumhana kukiya zvinhu kana kufurira kunze.

kuputsika kweiyo crankcase gasi valve uye zviratidzo zvavo zvinoratidzwa mutafura.

kutyora	Nei zvichioneka	Zviratidzo	Chii chiri kuitika
Depressurization / air leakage	Mechanical kukuvara kwenyaya. Zvisimbiso zvakasakara / mapaipi. Kuiswa kwehutano husina kunaka.	Yakaoma kutanga kweinjini yekupisa yemukati, inoyangarara kumhanya pamakumi maviri, kurasikirwa kwesimba. Muridzo kubva pavharuvhu. Musanganiswa wakaonda, kodhi P0171.	Isingaverengeki yeDMRV mhepo inoyamwa mune akawanda, crankcase magasi akazara kana zvishoma anobuda kunze.
Yakanamira Yakavhurika / Yakavandudzwa Kuita	Spring breakage. Yakakuvadzwa diaphragm kana spool. Kubata panzvimbo yebasa. Kugadzirwa kwemafuta ekuisa mukati mekesi. Kugadzira kuremara.	Kutanga kuri nyore, asi kusagadzikana kushanda kweinjini yekupisa kwemukati mushure mekudziya pasina kuita. Musanganiswa wakapfuma, kodhi P0172.	Yakawandisa crankcase magasi ane mafuta particles anopinda mukutora. Paunenge uchidziya uye pasi pemutoro, iyi modhi ndiyo yakakwana, mune dzimwe injini dzinopisa mukati haishande nemazvo.
Yakaramba yakavharwa / yakaderedzwa kuita		Yakaoma kutanga kweinjini yekupisa yemukati, inoyangarara kumhanya pamakumi maviri, kurasikirwa kwesimba. Musanganiswa wakaonda, kodhi P0171. Oiri inoisa pane throttle, air duct madziro, manifold ekutora uye majekiseni.	Kuyerera kwakaverengerwa kwemhepo mukati mekutora kunotyorwa. Kuyerera kwese kwemagasi e crankcase kunopihwa pamberi pevharuvhu.

Iyo CVCG inogona kusashanda nemazvo nekuda kwekusashanda mu crankcase ventilation system kana matambudziko neCPG. Muchiitiko ichi, zvakakomba huwandu hwemagasi e crankcase hunowedzeraichipfuura nepakati pevharuvhu, uye mukana wekukurumidza kuonda kwayo. Nokudaro, usati watarisa PCV valve, unofanirwa kuve nechokwadi kuti hapana matambudziko anokonzera kusunungurwa kwemafuta kuburikidza nekufema kana kubuda kwayo kuburikidza nemagetsi uye zvisimbiso.

Tarisa PCV valve

Diagnostic autoscanner Rokodil ScanX

Unogona kutarisa mavharuvhu ePCV muviri uye software nzira. Muchiitiko chechipiri, iwe uchada mubatsiri, diagnostic scanner kana OBD II adapta uye yakakosha application yePC kana nharembozha. Imwe yeakanakisa sarudzo ndeye autoscanner Rokodil ScanX, sezvo inowirirana nemhando dzose dzemotokari, tarisa kushanda kwese sensors uye masisitimu, inopa mazano ekukanganisa.

Kuongororwa kwemuviri, kunoitwa nekutarisa mhinduro yeCVCG kune zvekunze zvinofurira kubva kune zviridzwa, chete wrench yakazaruka inodiwa kuti ubvise valve.

Iyo PCV valve inogona kufanoedzwa nekucheneswa kwemuromo. Kana mweya uchipfuura zvakasununguka kubva kudivi rekubuda, chikamu chacho hachina kushanda. Kana iyo KVKG ichiridzwa chete kubva kudivi rekupinza, izvi zvisina kunanga zvinoratidza kuti yakarongeka. Iwe unogona zvechokwadi kuona kuti chikamu chiri mumamiriro akanaka uchishandisa imwe yeinotevera nzira.

Mune dzimwe mota, dzinoti, mitsva yeBMW modhi, iyo PCV valve haibvisike uye isinga patsanurwe. Zvitarise panyama hazvigoneki pasina kuparadza hull. Muchiitiko ichi, iwe unogona kutarisa kana kushandisa komputa diagnostics, kana nekuitsiva iyo inozivikanwa-yakanaka node.

Kuti utarise kushanda kwevhavhavha yekrankcase, tevera kurongeka uku:

Ita-iwe-iwe pachako VKG vharafu tarisa Toyota Vitz: vhidhiyo

1. Bvisa vharafu kubva mugomba revhavhavhavha yevhavha, mushure mokubvisa hose kubva pombi yekubuda.
2. Ongorora iyo inopinza kuitira tsvina, bvisa kana zvichidikanwa.
3. Bvisa vharafu nemuromo wako kubva kudivi rekubuda: mweya haufanirwe kupfuura nepakati peKVKG inoshanda.
4. Natanidzazve hose yekufemesa kune yekubuda.
5. Tanga nekudziya injini.
6. Vhara iyo valve inopinza zvakasimba nemunwe wako. Muchikamu chinoshanda, chiitiko ichi chinoperekedzwa nekudzvanya uye vacuum inonzwa - chigunwe "chinonamatira" pagomba.

Kutarisa iyo crankcase ventilation valve inoitwa zvakarongwa nechinzvimbo cheiyo throttle valve pasina basa.

Kutarisa iyo PCV vharafu uchishandisa komputa diagnostics pamuenzaniso weChevrolet Lacetti mota:

Professional cheki yePCV vharafu paChevrolet Lacetti ine komputa diagnostics: vhidhiyo

1. Vhura vharuvhu ne 24-mm yakavhurika-yekupedzisira wrench, mushure mekubvisa hose kubva papombi yekubuda.
2. Batanidza hose panobuda.
3. Batanidza scanner kana OBD II adapta kune yekuongorora socket mukamuri yevafambi.
4. Mhanyai chirongwa chekuongorora uye ratidza iyo throttle chinzvimbo kuverenga (iyo chaiyo chinzvimbo cheremote control).
5. Tanga nekudziya injini. Muchiitiko ichi, kukosha kwechinzvimbo chaicho chekunzwa kure kunofanira kunge kuri mukati mematanho 35-40.
6. Batanidza chinopinda chevharuvhu netepi yekudhonza kana kuva nemubatsiri plug nemunwe wako. Iyo parameter inofanira kuwedzera nematanho mashanu mashanu.
7. Bvisa hose yemhepo kubva paPCV valve outlet. Kana iyo CVCG yakanaka, iyo chaiyo throttle chinzvimbo inodonha kusvika 5 matanho. Izvi zvinoratidza kuti vharafu yakanga ichirambidza kupinda kwemagasi kupinda mukutora pasina basa.

Kushandira crankcase ventilation valve

Chimwe chezvikonzero zvakakosha zvekushanda kwakashata kweCVKG ndiko kusvibiswa kwenzvimbo dzekushanda. Izvi zvinogona kudzivirirwa nekuchenesa crankcase ventilation valve. ose 20–000 km.

Kuisa mafuta zvishoma pamusoro peKVKG inzira yechisikigo. Nekudaro, kana ikava mumafuta nekukurumidza kupfuura 10 km, ichi ndicho chikonzero chekuongorora iyo crankcase ventilation system. Zvinokwanisika kuti muparadzi wemafuta kana hose yemhepo yakavharwa.

Nzira uye sei kuchenesa valve yePCV

Kuchenesa PCV valve neWD-40 spray

Izvi zvinotevera zvigadzirwa zvakanyatsokodzera kuchenesa iyo PCV valve:

• carburetor kana injector cleaner;
• brake cleaner;
• WD-40;
• parafini kana dhiziri mafuta.

Paunenge uchishandisa iyo mumiririri muchimiro cheaerosol ine chubhu, inofanirwa kubaiwa neipi inopinza muKVKG. Mafuta eparafini nedhiziri anogona kubaiwa nejekiseni kana sirinji. Nzira yekutsvaira inofanira kudzokororwa kusvikira mari yose yabviswa.

Mushure mekuchenesa, unoda kutarisa kushanda kwePCV valve uchishandisa imwe yenzira dzinotsanangurwa pamusoro apa. Kana kutsvaira kusingabatsiri, chikamu chacho zvinoda kutsiva.

Pamusoro pevharuvhu pachayo, iyo yekuparadzanisa oiri uye hoses ye crankcase ventilation system inodawo nguva nenguva yekutsvaira nenzira imwechete. Kana dzakavharwa nemafuta edhipoziti, iyo sisitimu haizokwanisa kupa kumanikidzwa kudzikamisa mu crankcase, kunyangwe neCV inoshanda.

Mibvunzo inowanzo bvunzwa nezve crankcase valve

• Chii chinonzi crankcase ventilation valve?

  KVKG - chinhu che crankcase ventilation system, yakarongeka inomiririra membrane kana plunger bypass valve.

• Ko crankcase ventilation valve iripi?

  Mune akawanda mamodheru, iyo KVKG iri muvhavhavhavha yeinjini yekupisa yemukati (kumashure kana kumusoro) kana padyo padyo nayo mune imwe imba yakaparadzana pamwe neanoparadzanisa oiri.

• Chii chinonzi PCV valve?

  Iyo PCV valve inodzora kuyerera kwe crankcase magasi mune yakawanda inopinza, ichivatungamira pamberi peiyo throttle valve. Inokubvumira kuti uwedzere kuumbwa kwemhepo-mafuta musanganiswa pasi pemaitiro akasiyana-siyana ekushanda kwejini inopisa mukati.

• Nzira yekutarisa kushanda kwePCV valve?

  Iyo KVKG inoshanda haina kuvhuvhuta kubva kudivi rekubuda, asi inopfuura mhepo kubva kudivi rekupinza. Kana iyo inlet yevharuvhu yakabviswa yakavharwa pane inomhanya uye inodziya-up mukati memoto injini, kudzvanya kunonzwika uye kunonzwika kuti chinhu chinovharira (munwe) chinokwezva sei. Kana vheji isingapfuuri chero cheki idzi, zvinogona kugumiswa kuti VKG valve haigone kushanda.

• Nzira yekuziva sei kuparara kwevhavha yekrankcase ventilation?

  Iyo CVCG yakamisikidzwa munzvimbo yakavhurika inotungamira mukuwedzeredza kupfumisa kwemhepo-mafuta musanganiswa uye kusagadzikana kushanda kweinjini yekupisa yemukati (revs uye troit float) pasina basa mushure mekudziya. Kana vharuvhu isingavhuri nenguva kana simba rayo richiderera, musanganiswa uchange wakaonda, uye pachava nezvinetso nekutanga uye kukurumidza kwemasimba kuchaderera.