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Despre motoare,tehnologii, Motorul diesel

azaghorth
post 2 Nov 2016, 09:04
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Salutare,
sunt un fan motor diesel,am tot studiat/citit/urmarit de-a lungul vremii acest motor smile.gif
Ce faini erau anii '80 cand motoarele diesel erau simple si eficiente:fara turbo,Pumpe Duse,Common Rail,EGR,DPF si alte si alte ghizmo-uri.
Ce fain era cand motorina era la pret jumate cat benzina si cu un Golf 1.6D scoteai consum 6% in oras si 4% in afara...biggrin.gif
Dupa ce a a aparut TDI-ul totul s-a schimbat:dumarul diesel-urilor in trafic a crescut, petrolistii au vazut asta si a crescut pretul motorinei,motoarele diesel au devenit tot mai sofisticate.
Hai ca turbo inteleg:ardere completa,eficienta crescuta...putere mai multa si consum mai bun la aceeasi cilindree,cinstit!
Marele gaselnite :EGR si DPF.Doua mizerii montate pe masina cu acoperirea ca masina e mai prietenoasa cu mediul.Doua mizerii care se defecteaza si costa mult!
Intai au facut EGR pe high pressure (direct pe evacuare)->gaze murdare-->se infunda EGR-->probleme.Dupa o vreme au constatat ca se poate muta EGR si pe low pressure-->gaze curate-->EGR mai curat-->OK.

Acum sa vad ca se poate si fara EGR si DPF!!!
EGR free

DPF free

This post has been edited by azaghorth: 2 Nov 2016, 09:04


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andri1940
post 2 Nov 2016, 21:19
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Uite aici explicat pe intelesul tutoror de ce EGR, DPF, norme Euro, etc:

https://www.youtube.com/watch?v=90CkXVF-Q8M


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ekisim
post 2 Nov 2016, 23:28
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Daca ai studiat motorul Diesel, care este parerea ta personala, adaugarea uleiului 2T in motorina la motoarele dci, este daunatoare sau nu?
Daca este daunatoare, ce anume se poate defecta?


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madhorsefuzzy
post 3 Nov 2016, 07:38
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Pana raspund colegii: 2T este daunator in masura in care poate infunda DPF-ul fara sa existe cazuri clare de acest fapt.

This post has been edited by madhorsefuzzy: 3 Nov 2016, 07:38


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azaghorth
post 4 Nov 2016, 11:21
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QUOTE(andri1940 @ 2 Nov 2016, 22:19)

Au contribuit si alte chestii la ce situatia prezentata in film,nu sunt doar noxele masinilor responsabile

QUOTE(ekisim @ 3 Nov 2016, 00:28)
adaugarea uleiului 2T in motorina

Acel ulei adaugat in motorina se va arde si va genera o cenusa,daca e mai putina ca cea rezultata dupa arderea motorinei e excelent.Oricum la ce cantitate se foloseste (2-300ml/60L) nu cred ca e motiv de ingrijorare.
Eu folosesc in ultimii 20.000km si nu am probleme cu DPF-ul.

This post has been edited by azaghorth: 4 Nov 2016, 12:11


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azaghorth
post 9 Nov 2016, 08:57
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Mercedes devine primul producator de automobile care monteaza Filtru de Particule pe motoarele pe benzina.
Multi se fereau de diesel din cauza turbo,DPF...etc. Acum si motoarele pe benzina vor avea aceste componente.
Din cauza conceptului "engine downsizing" toate motoarele pe benzina vor avea turbo,mai nou si filtru de particule...

This post has been edited by azaghorth: 9 Nov 2016, 08:58


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silvanu96
post 9 Nov 2016, 11:38
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Am vazut, mai nou, ca nici downsize-ingul nu mai e bun. Motor mic, hardughie mare, se incinge la drum si UCH-ul incepe sa bage benzina la greu ,pentru racorire => noxe mari.
Filtru de particule la benzina ?! care particule ... nu mai inteleg nimic.
Ma uit la TV si vad beforetheflood, mama! Batalia e acerba! Scuze de off-topic...


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azaghorth
post 25 Dec 2016, 21:47
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Mercedes a pus deja, urmeaza VW
http://www.autoexpress.co.uk/volkswagen/ti...-petrol-engines
Normal ca downsizing nu e bun, motor mic-->turat in draci... Consum si poluare mare
Mai bine motor "normal" dar cu decuplare cilindri (trafic urban).

This post has been edited by azaghorth: 25 Dec 2016, 21:49


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azaghorth
post 20 Jan 2017, 13:06
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ProfiBv
post 21 Mar 2018, 18:13
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QUOTE(azaghorth @ 25 Dec 2016, 22:47)
Mercedes a pus deja, urmeaza VW
http://www.autoexpress.co.uk/volkswagen/ti...-petrol-engines
Normal ca downsizing nu e bun, motor mic-->turat in draci... Consum si poluare mare
Mai bine motor "normal" dar cu decuplare cilindri (trafic urban).
*


Da , asta da downsizing :
http://www.automarket.ro/stiri/gla-glc-cla...rimi-81739.html


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azaghorth
post 22 Mar 2018, 14:44
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Motor mic (1.3L) pe masina mare GLC (1500kg+)...proasta combinatie.
Nu numai ca o sa consume si polueze in draci dar si o sa-si dea duhul dupa 5 ani,de fapt cam atata se si vrea sa tina...
Asiaticii sunt singurii care mai cer componente auto sa tina 10 ani,gloata se multumeste cu 5.
Motorul 2.2CDI de la Mercedes a avut viata lunga si frumoasa...
huh.gif

This post has been edited by azaghorth: 22 Mar 2018, 14:48


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AndreiMR
post 22 Mar 2018, 14:54
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Probabil e o greseala in articol...nu cred ca GLC-ul va fi echipat cu un asemenea motor. E o masina mult prea grea pentru un astfel de motor


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azaghorth
post 23 Mar 2018, 11:00
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Actualmente pe mobile.de (an 2018) cel mai mic benzinar GLA e de 1595cmc iar cel mai mic benzinar GLC e de 1991cmc.
Cine stie,poate de la model year-ul urmator vor avea ambele 1.3Tce...de vazut wink.gif

This post has been edited by azaghorth: 23 Mar 2018, 11:01


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DaniDragan
post 15 Jul 2018, 07:56
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buna ziua am un motor diesel de fiat multipla 1.9 jtd care la relantiv trepideaza intr o nebunie plus ca pornirea o face ca naiba va pot atasa poze sau filmulet plus ca ce ma deranjeaza e ca apare din cand in cand injector in bord care sa fie problema suport motor l am schimbat pentru trepidatii tot nimic multumesc astept un raspuns.


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