Solid anti-friction devices – materials therefor – lubricant or se – Lubricants or separants for moving solid surfaces and... – Processes of purifying or recovering used lubricant...
Patent
1997-04-15
1999-03-23
Johnson, Jerry D.
Solid anti-friction devices, materials therefor, lubricant or se
Lubricants or separants for moving solid surfaces and...
Processes of purifying or recovering used lubricant...
C10M17700, C10M17500
Patent
active
058859403
ABSTRACT:
The total or a partial quantity of lubricant oil for automotive vehicles is exchanged at a gas service station when a vehicle visits for its fuel supply. The lubricant oil is maintained with low values of contaminates, while extracted waste oil is purified and supplemented with lacking additive agents for reuse as fresh lubricant oil. An impurities removal equipment has a centrifuge and a filter device for the purification.
REFERENCES:
patent: 3127255 (1964-03-01), Winslow
patent: 3450627 (1969-06-01), Johnson
patent: 4264436 (1981-04-01), Shim
patent: 4435287 (1984-03-01), Sumimoto
patent: 4492636 (1985-01-01), Burke
patent: 4597882 (1986-07-01), Nishimura et al.
patent: 4789460 (1988-12-01), Tabler et al.
Johnson Jerry D.
Premru Glen R.
Snider Ronald R.
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