PONAR Wadowice has modernised the engine oil heating and filtration system for a high-power internal combustion engine test bench. PONAR Wadowice manufactured a new 15W-40 engine oil conditioning and heating station. Its components included:
- two 10 bar / 125 l/min screw pump assemblies – one operating, the other in stand-by mode
- 40 kW flow-through oil heater
- 3-stage filtration system. The first two stages are based on bag filters – high dirt-holding capacity; the final filtration stage was built using in-line pressure filters with mesh elements.
Since diesel engine tests run 24/7, a tripled 3-stage filtration system was implemented. The PLC controller automatically selects the oil flow path while maintaining the sequence: 50 µm bag filter – 5 µm bag filter – 25 µm mesh filter. To make this possible, the system was equipped with ON/OFF pneumatic valves upstream of each filter, check valves, filter clogging indicators, and instrumentation and control equipment.
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