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HEINZMANN Company Group

HEINZMANN Electric Drives
Robust electric motors

REGULATEURS EUROPA
Control & Monitoring

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Control & Actuation

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Marine Automation

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Gas & Water Turbine Control

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Steam Turbine Control

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Emission Control

Giro Engineering
Diesel Engine Components

HEINZMANN IFT GmbH
Oil Mist Separators and Blow-by Filter Technology

Optimal control technology for any type of gas engine

Air-Fuel Ratio Control

KRONOS provides a choice of four different AFR systems for mixture control - depending on the required control properties, gas types and engine sizes. As a customer, you can be sure of finding the right solution for your requirements regardless of engine size, specific application or requirements for operation and exhaust emissions.

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KRONOS 10 Mixture Control System - MECHANICALLY CONTROLLED
KRONOS 10 Mixture Control System - MECHANICALLY CONTROLLED
The KRONOS 10 is a simple mechanical system for adjusting the air/fuel ratio, consisting of a gas-air mixer and a mechanical gas adjusting valve. This simple solution can be used for engine sizes between 25 kW and 3 MW where precise emissions control is not required.
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KRONOS 20 Mixture Control System - ZERO PRESSURE PRINCIPLE
KRONOS 20 Mixture Control System - ZERO PRESSURE PRINCIPLE
The KRONOS 20 is an electronically controlled mixture control system for adjusting speed-dependent and load-dependent lambda values in order to achieve ideal engine behaviour under all operating conditions. In the various closed loop versions, engine power, lambda or NOx sensors can be used as feedback signals to automatically correct fluctuations in gas quality and engine load. The main application areas are natural and biogas engines, which are supplied by a zero pressure controller.
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KRONOS 30 Mixture Control System - ADMISSION PRESSURE PRINCIPLE
KRONOS 30 Mixture Control System - ADMISSION PRESSURE PRINCIPLE
The KRONOS 30 is an electronically controlled mixture control system for adjusting speed-dependent and load-dependent lambda values in order to achieve ideal engine behaviour under all operating conditions. The flexible concept can be used to control engines with greater fluctuations in gas, engine and ambient parameters. The gas mixer configuration is independent of the application and enables operation with a large number of gases, including lean gases. The system has outstanding control accuracy, thus ensuring compliance with emission limits even under difficult conditions. The main applications are biogas and lean gas engines, which are supplied by blowers with slightly increased gas pressure.
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KRONOS 40 Mixture Control System - GAS INJECTION VALVES
KRONOS 40 Mixture Control System - GAS INJECTION VALVES
The KRONOS 40 is a speed / power control system for gas engines with magnetically controlled gas injection valves. The system supports individual cylinders from 100 kW to 1 MW with up to 20 cylinders. The gas injection valves jet the gas upstream of the combustion chamber intake valve, and a control unit individually adjusts the gas quantity to the individual cylinders. To do this, it records the exhaust gas temperature, enabling precise cylinder-specific gas dosing. With additional HEINZMANN components, the system can be expanded to create a complete engine management system.
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