Pompa injeksi

Sebuah Pompa injeksi adalah perangkat yang memompa bahan bakar ke dalam silinder pada mesin diesel. Secarat tradisional, pompa injeksi digerakkan secara tidak langsung dari crankshaft oleh gigi, rantai atau sabuk bergigi (biasanya timing belt) yang juga mendorong camshaft. Berputar dengan kecepatan setengah poros engkol pada mesin empat-tak konvensional. Waktunya sedemikian rupa sehingga bahan bakar disuntikkan hanya sesaat sebelum titik mati atas ketika tahap kompresi silinder. Hal serupa juga terjadi untuk sabuk pompa pada mesin bensin didorong langsung dari camshaft. Dalam beberapa sistem, tekanan injeksi dapat mencapai 200 MPa (30.000 PSI)

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Referensi

l b s Mesin Otomotif
Komponen seri Otomobil
Istilah dasar	Rasio kompresi Crank Silinder Dead centre Motor diesel Dry sump Engine balance Konfigurasi mesin Kapasitas mesin Detonasi (Engine knocking) Firing order Hydrolock Mesin bensin Power band Redline Spark-ignition engine Stroke Stroke ratio Wet sump
Komponen utama	Batang piston (Connecting rod) Crankcase Crankpin Poros engkol (crankshaft) Crossflow cylinder head Crossplane Cylinder bank Blok silinder Cylinder head Roda gila (Flywheel) Head gasket Hypereutectic piston Main bearing Torak (Piston) Ring piston Reverse-flow cylinder head Starter ring gear Sump
Rangkaian katup	Cam Cam follower Poros bubungan (Camshaft) Desmodromic valve Hydraulic tappet Multi-valve Overhead camshaft Overhead valve Pneumatic valve springs Poppet valve Pushrod Rocker arm Sleeve valve Tappet Timing belt Timing mark Valve float Variable valve timing
Aspirasi	Filter udara Blowoff valve Boost controller Butterfly valve Centrifugal-type supercharger Cold air intake Dump valve Electronic throttle control Forced induction Inlet manifold Intake Intercooler Manifold vacuum Naturally aspirated engine Ram-air intake Scroll-type supercharger Short ram air intake Supercharger Throttle Throttle body Turbocharger Twin-turbo Variable-geometry turbocharger Variable-length intake manifold Warm air intake
Sistem bahan bakar	Karburator Injeksi rel bersama Direct injection Filter bahan bakar Injeksi bahan bakar Pompa bahan bakar Tangki bahan bakar Injeksi langsung bensin Indirect injection Pompa injeksi Lean-burn Stratified charge engine Turbo fuel stratified injection Unit injector
Pengapian	Contact breaker Magneto Distributor Balast elektronik High tension leads Kumparan pengapian Busi (Spark plug) Wasted spark
Manajemen listrik dan mesin	Air–fuel ratio meter Alternator Automatic Performance Control Baterai mobil (lead–acid battery) Crankshaft position sensor Dynamo Drive by wire Unit kontrol elektronik (Electronic control unit) Engine control unit Engine coolant temperature sensor Glow plug Idle air control actuator MAP sensor Mass flow sensor Oxygen sensor Starter motor Throttle position sensor
Sistem pembuangan	Kendali emisi mobil Catalytic converter Diesel particulate filter Exhaust manifold Glasspack Muffler
Pendinginan	Air cooling Antibeku (ethylene glycol) Core plug Kipas listrik Sabuk kipas Radiator Thermostat Water cooling Viscous fan (fan clutch)
Komponen lain	Balance shaft Block heater Ruang bakar (Combustion chamber) Cylinder head porting Gasket Oli mesin Filter oli Oil pump Oil sludge PCV valve Seal Synthetic oil Underdrive pulleys
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