Araba, motor nozulları, motor nozulları, çalışma prensibi

Otomotiv meme yanma odası içerisinde yakıtın doğrudan püskürtülmesi sorumlu olan bir cihazdır. Bugüne kadar, bu cihazın çeşitli değişiklikler vardır. Bu konuda makalede.

Enjeksiyon sistemi oluşur olan yakıt enjeksiyon sistemi,

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yakıt sistemi, eleman içerir:

  1. En ampuller.
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  2. Yakıt tankı.
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  3. Benzin pompası.
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  4. Yakıt filtreleri.
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  5. hava ve yakıt karıştırılması için cihaz.
  6. Basınç kontrolü Yakıt.
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  7. Emme manifoldu.
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  8. Hava filtresi.
  9. Sensörler.
  10. Egzoz gazlarının gürültü susturucu.

hava ve yakıt karıştırmak için kullanılan cihaza bağlı olarak, yakıt sistemlerinin üç tipi vardır:

  1. Şarj edilebilir yakıt sistemi - dizel motorlarda kullanılan.
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  2. Karbüratör yakıt sistemi - karbüratör motorlarda kullanılan.
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  3. Enjektör yakıt sistemi - benzin motorlarında kullandı. Bu durumda, hava ve yakıt karıştırılması için meme için sorumludur.
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Motorda memelerini gerekenler için doğrudan enjeksiyonlu veya

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Doğrudan enjeksiyon, yağın silindirlere doğrudan enjekte edildiği dağıtılmış yakıt enjeksiyonunun modernasyonudur. Nozül, yakıt pompası ile motor arasındaki ana bağlayıcı bileşendir. Nozulların asıl amacı:
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  1. Motora sağlanan yakıtın doğru dozunun sağlanması.
  2. Karışımın doğru jeti (miktar, basınç, açı) sağlamak.

Meme türleri ve amaçları

  1. Elektromanyetik.
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  2. Mekanik.
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  3. Hidrolik.
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  4. Piezoelektrik.
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Elektromanyetik nozul, cihaz ve iş prensibi

Bu tür elektromanyetik cihazlar, doğrudan enjeksiyonla da dahil olmak üzere benzinli motorlarda bir kural olarak kullanılır. Bu tür ekipman, aşağıdakilerden oluşan oldukça basit bir tasarıma sahiptir:

  1. Meme nozülü.
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  2. İğne.
  3. Davada mühür.
  4. Memenin gövdesi.
  5. Elektromıknatısından çapa.
  6. Özel bahar.
  7. Elektromanyetik uyarma sargısı.
  8. Elektrik konnektörü.
  9. Örgü filtresi.
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Nozül sıçrayan yakıt gerçekleştirir. Bu bileşenin çalışmasının kalitesinden ötürü, tüm cihazın çalışmasına bağlıdır. Mesh filtresi, memeden geçen yakıtı filtreler.

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Daha önce döşenmiş algoritmaya karşılık gelen ECU, istenen anda valf uyarılmasının sargısına voltaj beslemesini sağlar. Bunun işleminde, bir elektromanyetik alan, bahar kuvvetinin üstesinden gelinmesi, ardından nozülü bir iğneli bir bağlantıyı geciktirir. Sonuçta bu yakıt enjeksiyonu. Gerilim kaybolduğunda, memenin iğnesi ilkbaharı kullanarak eyere geri döner.

Bağlamda benzinli nozül

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  1. Örgü filtresi.
  2. Meme nozülü.
  3. Fok.
  4. İğne memesi.
  5. Memenin gövdesi.
  6. Çapa elektromıknatıs.
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  7. Koşum sarma.
  8. Bahar.
  9. Elektrik konnektörü.

Dizel nozul, dizel motor nozulları, cihaz ve çalışma prensibi

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"Common Rail" enjeksiyon sistemi ile donatılmış olanlar da dahil olmak üzere dizel motorlarda, elektrohidrolik nozullar kullanılır. Bu cihazın tasarımı, bir elektromanyetik valf, bir kontrol odası, ayrıca bir drenaj ve giriş şoku içerir.

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Bu tür bir donanımın çalışma prensibi, enjeksiyon sırasında yanı sıra, sonlandırılmasından sonra yakıt basıncının kullanımına dayanır. İlk pozisyonda, solenoid valfı tamamen kapalı ve enerji beslenir, cihazın iğnesi, kontrol odasındaki yakıt pistonu üzerindeki bir basınçla eyere bastırılır. Bu pozisyonda yakıt enjeksiyonu yapılmaz. İğnedeki yakıtın basıncının, bu durumda, temas alanlarındaki farkın bir sonucu olarak pistonda üretilen daha az basınç.

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ECU komutundan sonra, solenoid valf tetiklenir ve tahliye gazı açılır. Kumanda haznesinde bulunan yakıt, gaz kelebeğinde drenaj otoyoluna akar. Giriş şoku, giriş hattındaki ve kontrol odasındaki en hızlı basma seviyelerinin bir engeldir. Yavaş yavaş pistonun üzerindeki basınçta bir azalma vardır, ancak, iğnede egzersiz yapan yakıt basıncı değişmez ve yakıtın enjeksiyonunu ve enjeksiyonunu ortaya çıkarır.

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Piezoforun, cihaz

Piezoquorming'in tasarımı, bu tür bileşenleri içerir:

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  1. Yakıt besleme kanalı.
  2. Elektrikli nozul konektörü.
  3. Mikrofilter.
  4. Kanal ıslahı.
  5. Piezoelement.
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  6. Piston itici.
  7. Vana pistonu.
  8. Yay valfi.
  9. Anahtarlama vanası.
  10. Boğulma bloğu.
  11. Bahar iğnesi püskürtücü.
  12. Yanmaz Yıkayıcı.
  13. Püskürtücünün iğnesi.

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Piezohoroforsunk, iş prensibi

Nozülün kontrol vanasının çalışması, örneğin gaz çakmaklarında kullanılan iyi bilinen bir piezoelektrik etkiye dayanır. Adamın parmağı, çalışma bileşenini dielektrikten deforme eden bir düğmeye basar. Sonuç olarak, şarj gazı iltihaplandırmak için kullanılır.

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Piezoelektrik nozullarda, t. N. Ters piezoelektrik etkisi. Gerilim, malzemenin deformasyonuna katkıda bulunan Dielektrik'e beslenir. Valf çubuğu, akımın memeye beslenmesi durumunda tırmanabilen, buna bağlanır.

Piezohoroforsunk, onurlu

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  1. Yüksek verimli nozullar.
  2. Motor çalışma sürecinde gürültüyü azaltma.
  3. Enjeksiyon basıncını değiştirme yeteneği.
  4. Memenin hızını arttırın.

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