Talk:Oil filter

Clean Up

I tried to remove the link to Amsoil advertising - it was supposed to be about the history of oil filters but just showed the path directly to Amsoil, by Amsoil. But it was written in some code using the ^ character and I was unable to correctly edit it. thanks if someone could clean it up. —Preceding unsigned comment added by 78.129.139.90 (talk) 18:11, 24 February 2008 (UTC)

I think the cross section diagram needs amendment; what is labelled a an "anti-drain valve" is usually know as an "anti-siphon valve" and what is labelled as an "anti-drain membrane" is usually called the "anti-drain valve. A google image search on these terms or looking at the cross-section drawings on various filter manufacturers sites as well as looking at the original spin-on filter and spin-on filter anti-drain valve patents will confirm this terminology. See: Valvoline: http://valvolinefilters.com.au/oil-filters/ Uniflux http://www.uniflux-filters.ro/oil-fi...back-valve-17/ FRAM http://www.fram.com/support/faqs/ K & N https://www.knfilters.com/wrenchoff_oilfilter.htm Bosch https://www.boschautoparts.com/docum...8-bee80d4150aa Denso http://densoautoparts.com/filters-oil-filters.aspx AC Delco https://www.acdelco.com.au/pdf/flyer...er_filters.pdf Mobil https://mobiloil.com/en/article/car-...-how-they-work Purulator http://www.pureoil.com/fileadmin/use...ayZoom-rev.jpg Royal Purple http://www.royalpurple.com.au/index....oil_filter.php HighFlow https://highflow.com/collections/oil-filter — Preceding unsigned comment added by 125.63.108.118 (talk) 10:24, 29 September 2023 (UTC) Hastings http://www.federatedautoparts.com/Do...s/S002E018.pdf

Patent at https://www.google.com/patents/US4872976

This article is written in a bit of a sloppy manner. Unfortunately, I'm not skilled at Wiki editing. Anyone with free time, the cleanup would be appreciated to help aide in quality.

—The preceding unsigned comment was added by 67.55.195.245 (talk) 03:02, 31 January 2007 (UTC).

Cartridge type?

The original oil filter (sorry about the bad picture)

After spin-on conversion.

I recently converted the oil filter on my 1973 Saab 99L (it has the Triumph Slant-4 engine) from the original style that is bolted on to a spin-on type of filter (same as in the later Saab 99, 90, 900, 9-3 and 9-5). Was that a cartridge type or another type not mentioned here? // Liftarn

History of oil filters?

Would like to see when the concept was introduced. Many early vehicles through at least the Model A Ford (Fram catalog seems to go back only to 1950) seem to lack an oil filter. knoodelhed (talk) 18:04, 5 November 2015 (UTC)

The concept is as old as forced lubrication systems, maybe even older. For as long as oil has been flowing down narrow pipes, they've had some sort of strainer.

The first are probably the capillary 'trimmings' (wicks) made of twisted wool, used on steam engines. These allow a slow flow of oil from an oil reservoir to flow into a bearing. They're small enough that they can be mounted individually on each joint of coupling rods. These locations are also likely to collect some dirt, so the filtering aspect is useful too.

The next development was the use of brass wire mesh strainers, again at first in total loss systems for steam engines. As it's a total loss system this isn't about straining collected bearing detritus from the oil, it's about removing dirt that gets in during filling. As it's total loss though, refilling is needed before each shift, so dirt ingress is a problem.

Some high-speed steam engines see the introduction of the sump or oil pan, thus permitting both splash lubrication or the first continuously pumped oil systems. These sumps collected as much condensed water as oil, so as well as the brass wire mesh there are also oil-water separators.

The first petrol engines are contemporaneous and have similar lubrication systems, largely by splash and only sometimes or partially by pump, for high stress areas.

Aircraft engines develop in WWI. These have a vast budget for materials, provided that performance and reliability are increased. We see much improved bearing materials, even silver alloys. Dry sump systems are used for in-line engines, as these are lighter than wet sumps as they need less oil to operate. There are also oil coolers. These high performance bearings rely on a reliable supply of clean oil through a hydrostatic bearing with very close tolerances. This is really the point when fine particle filtration becomes important and we see real filters, rather than just debris strainers.

Between the wars the Auto-Klean type of filter is important. This is a stack of fine steel disks and stars, with oil passing the gaps between them. They have a distinctive top handle which is turned a quarter turn every so often in use, scraping any debris into the centre. There are also centrifugal oil filtration systems built into crankshaft pulleys etc. (These lasted into the 1960s on at least one car, the Fiat 124 1438cc A series)

Around 1930 the high-speed diesel engine appears and starts to be used for trucks. This needs a fuel filter, as the injection system can't function without. It is this, not lubricating oil, that prompts the development of paper element filters with good flow rates. At first these are in steel bowls (glass for fuel), with a bare element. The element gains glued end discs, then an open-ended enclosing canister, then finally the familiar spin-on close-ended canister. Andy Dingley (talk) 03:23, 6 November 2015 (UTC)

External links modified

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Firearm use

We should include a section on how you can use this as a improvised suppressor, but doing so is a felony. ABruhRandomUser (talk) 02:23, 7 December 2020 (UTC)