Ta yaya EGR bawul?

'Yan mutane san, amma shi ne godiya ga EGR iya rage hawa man fetur amfani, inganta engine yi, normalize da aiki da kuma rage matakin na fasa. Akwai irin wannan tsarin ne na dogon lokaci, da kuma a wannan lokacin shi ne amfani da daidai a kan dukkan motocin. Ko a kan kasa "gonaki" akwai irin wannan na'urar.

Me ya sa muke bukatar wannan tsarin?

Recirculation na shaye gas da ake bukata domin cewa engine bai rasa ikonta domin watsi da unburnt man fetur sharan. Kuma wannan na faruwa kamar haka. Idan zafin jiki a cikin konewa jam'iyya tare da oxygen, nitrogen fara da nunawa nitric oxide. A fetur engine O2 da ake bukata domin ingantaccen konewa na man fetur, da kuma saboda yana da rage yawan nitrogen, da ruwa da aka ba gaba daya combusted. A sakamakon haka, da fetur kawai ake jefarwa a cikin bututu, man fetur amfani ƙaruwa, kuma wannan rage-rage wasan kwaikwayon na ciki konewa engine. A EGR bawul damar da man fetur ƙona fita kafin karshen yiwuwar, don haka da cewa bisa al'ada ikon da man fetur amfani a cikin abin hawa.

Mene ne bawul?

A view of a kananan faifai da wani bututu wanda aka haɗa zuwa ci da yawa da aka a haɗe zuwa da Silinda kai. A cikin quiescent jihar shaye gas recirculation bawul ( "Audi" ciki har da) ne rufaffiyar. Amma da zaran engine man fetur samar auku, shi ne actuated. iska injin kafa a tafki, ya tilasta su motsa da membrane, kuma shi, bi da bi, ya buɗe EGR bawul.

jinsunan

A halin yanzu, akwai da dama iri data na'urorin. A EGR bawul ne mechanically (a bi da bi ya kasu kashi biyar gyare-gyare) da lantarki (3 akwai gyara).

Mene ne ya yi?

Wannan inji shi ne key bangaren na recirculation tsarin. Ta koma rabo abubuwa kone a cikin ci da yawa , kuma Mixes su tare da iska. A karshen, bi da bi, qara konewa zafin jiki (saboda oxygen - O2). Saboda haka, ta artificially rage da abun ciki a cikin akan rage wani mataki na konewa faruwa na man fetur-iska cakuda. Oxygen reacts tare da nitrogen, da kuma saboda digiri na zazzabi rage, shi ya zama fiye da haka a cikin masallãci fetur konewa gaba daya.

Bugu da kari, shaye gas recirculation bawul (BMW ciki har da) ma rage yin famfo hasara, kamar yadda akwai irin wannan karfi da maniyyi a matsa lamba a kan maƙura. Low konewa zafin jiki rage matakin harin, wanda shi ne babban amfani ga motor (babu karfin juyi asarar). Game da dizal shigarwa nan EGR bawul daidai a "wuya" aiki na mota a rago: godiya ga saukar da konewa zafin jiki rage matsi a cikin masallãci, don haka akwai karfi vibrations.