Izinyathelo ezinhlanu zokusebenzisa ama-turbocharger
2020-03-11
I-exhaust supercharger isebenzisa igesi yokukhipha umoya ukushayela i-turbine ngesivinini esikhulu. I-turbine ishayela isondo lepompo ukupompa umoya enjinini, ngaleyo ndlela ikhulise ingcindezi yokungenisa futhi ikhulise umoya owuthathayo emjikelezweni ngamunye, ukuze ingxube evuthayo isondele ekushiseni okuthambile ngesilinganiso samafutha omoya esingaphansi kuka-1, Injini ethuthukisiwe. amandla kanye ne-torque, okwenza imoto ibe namandla kakhulu. Kodwa-ke, ngenxa yokuthi ama-turbocharger e-exhaust gas ngokuvamile asebenza ngesivinini esikhulu namazinga okushisa aphezulu, lezi zinto ezinhlanu ezilandelayo kufanele zinakwe lapho usebenzisa:
Ibheringi entantayo ye-supercharger inezidingo eziphezulu zamafutha okugcoba. Amafutha enjini ahlanzekile kufanele asetshenziswe ngokwemithethonqubo. Amafutha enjini kufanele ahlanzwe, uma kukhona ukungcola kungena kumafutha enjini, kuzosheshisa ukuguga kwama-bearings. Lapho ama-bearings egqokwa ngokweqile, ama-blades azongqubuzana ne-casing ukuze kuncishiswe isivinini se-rotor, futhi ukusebenza kwe-supercharger nenjini ye-diesel kuzowohloka ngokushesha.
Ukukwazi ukukhulisa isivinini ngesikhathi esifushane kuyisici esikhulu sezimoto ezinama-turbocharged. Eqinisweni, ukuqhuma ngobudlova i-throttle ngemva nje kokuqala kuzolimaza kalula uphawu lukawoyela we-turbocharger. Injini ene-turbocharged inenani eliphezulu lama-revolutions. Ngemva kokuqala imoto, kufanele igijime ngesivinini esingenzi lutho imizuzu engu-3-5 ukuvumela iphampu yamafutha isikhathi esanele sokuletha amafutha ezingxenyeni ezihlukahlukene ze-turbocharger. Ngesikhathi esifanayo, izinga lokushisa lamafutha likhuphuka kancane. I-liquidity ingcono, futhi ngalesi sikhathi isivinini sizoba "njengenhlanzi".
Ungayimisi injini ngokushesha lapho injini isebenza ngesivinini esikhulu noma ngokuqhubekayo ngaphansi komthwalo osindayo. Lapho injini isebenza, ingxenye kawoyela ihlinzekwa kumabheringi e-turbocharger rotor ukuze igcobe futhi ipholiswe. Ngemva kokumisa injini egijima ngokuzumayo, umfutho kawoyela wehla ngokushesha waba ku-zero, izinga lokushisa eliphezulu lengxenye ye-turbo ye-supercharger ladluliselwa phakathi, futhi ukushisa egobolondweni lokusekela elithwalayo kwakungeke kususwe ngokushesha, kuyilapho i-rotor ye-supercharger. bekusagijima ngesivinini ngaphansi kwe-inertia. Ngakho-ke, uma injini imiswa esimweni senjini eshisayo, amafutha agcinwe ku-turbocharger azoshisa ngokweqile futhi alimaze ama-bearings namashafti.
Isihlungi somoya sizovinjwa ngenxa yothuli oluningi nemfucumfucu ngesikhathi sokusetshenziswa isikhathi eside. Ngalesi sikhathi, ukucindezela komoya nokugeleza kokungena kwe-compressor kuzokwehla, okubangela ukusebenza kwe-turbocharger yokukhipha amandla. Ngesikhathi esifanayo, kufanele uhlole ukuthi uhlelo lokungenisa umoya luyavuza yini. Uma kukhona ukuvuza, uthuli luzomuncwa ku-air pressure casing bese lungena kusilinda, okubangela ukuguga ngaphambi kwesikhathi kwama-blades nezingxenye zenjini kadizili, okuholela ekuwohlokeni kokusebenza kwe-supercharger nenjini.
Kunoma yiziphi izimo ezilandelayo, i-lubricant kufanele igcwaliswe njalo. Lapho isihlungi samafutha namafutha sesishintshiwe, uma sipakwe isikhathi eside (ngaphezu kwesonto elilodwa), futhi izinga lokushisa elingaphandle liphansi kakhulu, kufanele ukhulule isixhumi se-oyili sokungena se-turbocharger bese usigcwalisa ngokuhlanzekile. amafutha uma ugcwalisa amafutha. Lapho amafutha okugcoba ejojowe, umhlangano we-rotor ungashintshwa ukuze indawo ngayinye yokugcoba ifakwe ngokwanele ngaphambi kokusetshenziswa futhi.
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