What Are Different Types of Oil Filters?
As the quality of oil used in aircraft is of critical importance, as oil offers the lubrication, cooling, cleaning, corrosion protection, and many other functions needed for the engine to operate smoothly. As such, it is useful to employ an oil filter to ensure the highest grade of oil for your applications. To ensure no dust particles or other contaminants make their way into your aircraft’s engine, an oil filter removes all unwanted substances from the oil before feeding it to the engine. When deciding on an oil filter for purchase, there are three types available to choose from, those of which we will discuss in further detail below so you may make the choice that best suits your aircraft’s needs.
The first oil filter option is a cartridge type oil filter. This design comprises filtering elements that are housed in metallic casing for removing any unwanted substances from lubricating oil, and typically this type of oil filter system is used in automobile engines. Most modern designs have filter elements with fine pores for catching particles as small as 5 microns. The oil enters this filter through the pump before being passed through the porous magnetic tube. Once filtered, the oil travels through the outlet for circulation.
The second type of oil filter is the edge type, or stack type, oil filter. Rather than a tube, this filter comprises a filtering mechanism of several closely placed discs mounted around a center spindle and a square rod. The clearance between two successive discs is a mere couple of microns apart, allowing oil to pass through, while capturing contaminants in the small spaces between the discs. The central knob must be used occasionally to remove all trapped contaminants from the filter. This may be connected to the clutch system and operated either manually or periodically using automatic clutch action.
The third and final oil filter option is a centrifugal type oil filter. In this design, impure oil enters the filter through a hollow central spindle with holes around its periphery, passing into a rotor casing. From here it enters tubes with jets attached, and becomes pressurized, giving motion to the rotor casing in the opposite direction so that it starts rotating. Filtration occurs as the oil impinges on the outer stationary casing under heavy pressures, leaving the denser particles behind. While all methods feature mechanisms for straining very fine particles out of your oil, they have different working principles. With an understanding of how each specific oil filter works, you will be better suited to decide which type is best for you.
When you are in the market for an oil filter for your applications, look no further than AOG Purchasing. Owned and operated by ASAP Semiconductor, we are a leading online purchasing platform for oil filters and other aircraft parts. With quality at the cornerstone of all we do, we proudly operate with AS9120B, ISO 9001:2015, and FAA AC 00-56B accreditation, in tandem with a strict No China Sourcing pledge. To begin procuring any of the new, used, hard-to-find, or obsolete parts that comprise our top-quality inventory, simply submit a Request for Quote (RFQ) form with as much detail as possible. Using information like target prices, shipping deadlines, desired quantities, and more, our team of market professionals will formulate custom quotes for your comparisons within 15 minutes or less. Leveraging their purchasing power and market expertise, our team of around the clock professionals is readily available to meet your needs with rapid lead times and competitive cost savings. Call or email us at any time for further inquiries!
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