charger Iran

cummins engine turbocharger

The Cummins engine turbocharger is designed as a hot gas type with floating bearings (full floater). The turbine wheel is manufactured from superalloy Inconel 713C with continuous temperature resistance of 950 degrees Celsius. The turbine wheel diameter in the HX35 model (for 6BT) equals 56 millimeters and in the HX40 model (for 6CT) equals 60 millimeters. The compressor wheel is manufactured from aluminum alloy 2618 with hard anodized coating and a diameter of 50 to 76 millimeters. The compressor pressure ratio in standard models varies between 2.2 and 3.5 bar. The maximum rotor speed in smaller turbochargers reaches 150,000 revolutions per minute. The floating bearings are placed on a 4340 steel shaft with radial clearance of 0.025 to 0.060 millimeters. The turbocharger lubrication system is cooled with oil pressure of 2.5 to 5.0 bar and a flow rate of 3 liters per minute.

The exhaust gas temperature entering the turbine is controlled between 650 and 750 degrees Celsius at rated conditions. The mass air flow rate in the HX35 model is approximately 0.35 kilograms per second and in the HX40 model reaches 0.45 kilograms per second. The adiabatic efficiency of the compressor at the design point is 76 to 78 percent. The turbo lag response time from throttle to full boost pressure

deutz engine 912 1011 1012 and 1013 turbocharger

Turbochargers for DEUTZ 912, 1011, 1012, and 1013 diesel engines are precision-engineered to increase air intake density and improve combustion efficiency. The turbocharger uses exhaust gas energy to spin a turbine connected to a compressor, boosting intake air pressure up to 1.2–1.5 bar above atmospheric. This increased air mass allows higher fuel injection rates, enhancing engine output by 15–25% without raising engine displacement. Turbine and compressor housings are made from heat-resistant alloys capable of withstanding exhaust temperatures up to 650°C. Shaft and bearing assemblies use high-precision tolerances of ±0.02 mm, ensuring minimal friction and long service life. Proper turbocharger calibration maintains optimal boost across engine speeds, reduces smoke emissions, and improves fuel economy by 3–5% in typical operating cycles.

The DEUTZ turbocharger system integrates an intercooler in some models to reduce intake air temperature by 40–60°C, increasing air density and combustion efficiency. Wastegate valves control maximum boost pressure, preventing over-pressurization and engine knock. The turbine wheel diameter ranges from 40 to 60 mm depending on engine model, with rotational speeds up to 180,000 rpm. Lubrication is provided through the engine oil cir

Volvo Loader L90 and L120 turbocharger

The Volvo L90 and L120 wheel loaders are equipped with turbocharged diesel engines designed for optimal performance in demanding construction and material handling applications. The Volvo L90, depending on the generation, features engines such as the TD61G or the more recent D6J, both of which are turbocharged to deliver gross power outputs ranging from 156 to 184 horsepower . Similarly, the Volvo L120 utilizes turbocharged powerplants like the TD73 KDE in the C-series or the advanced D8J in the H-series, generating between 208 and 272 horsepower . This forced induction system is critical for maintaining high torque at low engine speeds, providing the powerful breakout forces and fast hydraulic cycle times essential for productive loader operation .

Specific turbocharger models and their corresponding part numbers vary by engine type and model year. For earlier L90 models with the TD61 engine, a genuine Garrett T04E10 turbo with OEM part number 11033904 was commonly used . Later L120E models, powered by the D7E LA E3 engine, utilize a BorgWarner KKK S200G turbocharger identified by part numbers 1270-970-0016 and 04294367 . The newer L90H and L120H generations, featuring Volvo D6J and D8J engines respectively, continue the legacy of turbocharged performance . The consistent eng

DEUTZ engine tuebocharger

DEUTZ engine turbochargers are designed as hot gas type with floating bearings. Turbine wheel material is superalloy Inconel 713C with temperature resistance up to 950 degrees Celsius. Turbine wheel diameter in series 2013 equals 72 millimeters and in series 1015 equals 86 millimeters. The compressor wheel is manufactured from aluminum alloy 2618 with hard anodized coating. Compressor pressure ratio in standard models varies between 2.2 and 3.5 bar. Maximum rotor speed reaches 150,000 revolutions per minute in smaller series. Floating bearings are placed on the shaft with radial clearance of 0.02 to 0.05 millimeters. The lubrication system cools the bearings with oil pressure between 2 and 4 bar.

Exhaust gas temperature entering the turbine is controlled between 650 and 750 degrees Celsius at rated conditions. Mass air flow rate in series BF6M1013 reaches 0.35 kilograms per second. Adiabatic efficiency of the compressor at design point equals 78 percent. Turbo lag response time from throttle to full boost pressure is approximately 1.5 seconds. Maximum boost pressure in variable geometry models reaches 2.8 bar absolute. Air-fuel ratio in turbocharged DEUTZ engines is adjusted between 18 to 1 and 22 to 1. The intercooler system reduces compressed air temperature from 180 down to

Accumulator Charger

The accumulator charger is a controlled power supply for charging lead acid, AGM, gel, and lithium batteries. Typical output voltages are 12, 24, and 48 volts with adjustable charging currents from 2 to 30 amperes. Electrical efficiency above 85 percent reduces energy loss. A power factor correction PFC circuit optimizes grid consumption. An intelligent controller with a multi stage algorithm including Bulk, Absorption, and Float extends battery life. Voltage ripple below 50 millivolts ensures charging stability.

Structurally, the charger includes an isolated transformer or a switching power supply using MOSFET or IGBT devices. A PWM fan cooling system keeps the operating temperature below 60 degrees Celsius. A metal enclosure with electrostatic coating provides mechanical and electromagnetic resistance. Protections against reverse polarity, overcurrent, overtemperature, and short circuit ensure full safety. Device weight ranges from 1.5 to 6 kilograms, with protection classes from IP20 to IP54 depending on application. These specifications are optimized for industrial, automotive, and solar energy uses.

turbocharger

A turbocharger for automotive and industrial engines consists of a turbine and compressor, manufactured from heat-resistant alloys and stainless steel to withstand temperatures up to 1000°C and turbine pressures up to 350 kPa. Compressor blade diameters range from 30 to 90 millimeters, and turbine blades from 40 to 120 millimeters, maintaining air handling efficiency up to 75 percent. The central shaft is made of hardened chrome-molybdenum steel, capable of 50,000 to 150,000 rpm, with ceramic or oil-lubricated bearings.

The turbine and compressor housings are produced with ceramic coatings and corrosion-resistant alloys, ensuring service life up to 150,000 km or 3000 industrial hours. Air intake and exhaust systems are designed according to ISO 9001 standards and include pressure sensors, bypass valves, and wastegates for precise turbine pressure control. Dynamic and thermal testing simulates real engine operating conditions.

Types of superchargers for construction machinery: loaders, bulldozers, graders, and excavators

Superchargers for construction machinery include mechanical types Roots and Twin-Screw and turbochargers positive pressure to increase engine intake air volume. Operating pressure ranges from 0.5 to 2.5 bar, with outlet air temperatures up to 150°C. Airflow capacity varies between 500 to 5000 liters per minute depending on engine and machine type. Shafts and rotors are made of alloy steel with 55–60 HRC hardness, with maximum RPM up to 20,000 for turbos and 6,000 for mechanical superchargers.

Superchargers are equipped with double-sided bearings, high-pressure lubrication, and oil/air cooling systems to maintain engine temperature. Installation and tuning follow ISO 9001 and SAE J726 standards to ensure accurate air pressure and volume across all engine speeds. Components feature aluminum or hard chrome coating for wear and corrosion resistance, with a service life of up to 10,000 hours under industrial conditions.

Supercharger maintenance

Supercharger maintenance involves inspecting and replacing rotors or blades, bearings, seals, and housing to maintain airflow efficiency above 90% and output pressure between 0.5 and 2 bar. Rotor speeds typically range from 20,000 to 60,000 RPM, with airflow capacity from 50 to 500 liters per second. Dynamic rotor balancing must be within 0.02 millimeters, and oil seals, such as NBR or Viton, are replaced to prevent air and oil leakage.

Post-repair performance tests include measuring output pressure, airflow, and operating temperature. Operating temperature should range from 0 to 120°C, with noise levels below 80 dB. Non-destructive testing NDT, including ultrasonic and visual inspection, is performed on bearings and housing. Repairs following ISO 9001 and SAE J1726 standards can extend supercharger service life beyond 15,000 hours.