These gases, which contain oil mist and combustion byproducts, are routed through a filtration device that separates the oil from the air before the mixture is recirculated or vented to the atmosphere. Inside the canister, the path of the gases is designed to create a turbulent flow, which allows the heavier oil droplets to condense and settle at the bottom of the unit.
Oil Catch Can Vs Open Element Filter: Which One Works Better
While some units require minimal maintenance with periodic draining, others feature easy-to-empty fittings for hassle-free upkeep. The cleaned air is then routed back into the intake manifold, while the collected oil drains back into the engine sump, ensuring that the combustion cycle remains efficient and the intake tract remains free of sticky residue.
Regular inspection and cleaning of the collected oil provide valuable insight into the health of the engine, allowing owners to address potential issues long before they manifest as performance problems or costly repairs. The filter media should be designed to trap microscopic oil particles without creating excessive backpressure.
Oil Catch Can Vs Open Element Filter: Which One Traps Oil Mist Better
If left unchecked, this pressurized mixture of air, fuel, vaporized oil, and combustion gases would contaminate the engine oil and create excessive pressure within the crankcase, leading to reduced efficiency and potential seal failure. They are particularly popular among owners of turbocharged and supercharged engines, where the pressure and heat in the crankcase are significantly higher.
More About What is an oil catch can
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