Liquid purification or separation – Flow – fluid pressure or material level – responsive – Fluid pressure responsive by-pass
Patent
1994-09-24
1996-05-28
Drodge, Joseph W.
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Fluid pressure responsive by-pass
123196A, 184 624, 210168, 210205, 210296, 210443, 2104931, B01D 2960, B01D 2907
Patent
active
055208002
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention is in the field of machine building, relating more specifically to circulating systems of lubrication for use with mechanisms and engines, more particularly internal combustion engines.
PRIOR ART
Devices have been developed to enable stabilization of oil properties and extension of the useful life of pairs of surfaces in friction in mechanisms, wherein a prolonged effect alkaline reagent and iodine are used to provide a special tribochemical mode of operation. The provision of such a mode in a lubrication system used with a mechanism may extend the usefulness of motor oil 3 to 8 times while also extending the service life of a mechanism between repairs 1.5 to 3 times. Devices of this type have been realized in practice and are utilized by preference in diesel engines of various designations, which have an external oil supply line. Using the technology under discussion in carburetor engines is problematic in that an appropriate device is to be developed that would not require the lubrication system to be modified.
There is known a device providing a tribochemical mode of operation in a lubrication system usable with a mechanism (SU, A1, No. 1 343 045) which comprises a casing, a cover with inlet holes and an outlet nozzle for oil inflow and outflow, a relief valve, a tribochemical package, and an indicator to show the extent of fouling within the device. The tribochemical package consists of two covers, with three cylindrical shells, perforated for oil passage, installed therebetween. The smaller- and middle-diameter shells are enveloped in filtering material. Granulated alkaline reagent is placed in between the larger- and middle-diameter shells. The filtering material of the smaller-diameter shell is impregnated with iodine. The fouling indicator is linked mechanically with the relief valve to show when this is opened.
With the device in operation, the oil from the peripheral zone of the casing passes through the perforations of the larger-diameter shell on to the alkaline reagent to partially dissolve it. As a result, some of the oil properties are improved and stabilized. Further on, the oil arrives at the filtering material of the middle-diameter shell, where it is cleaned of mechanical impurities, including fine alkaline-reagent particles. Next, the oil feeds on to the filtering material of the smaller-diameter shell to contact the iodine contained therein. This results in further improvement of the oil properties and in the formation of friction modifiers.
Thus, this prior-art device assures the provision of a tribochemical mode of operation in the lubrication system of a running mechanism and is capable of maintaining it for a long time, based on the amount of chemical reagents contained therein. However, the surface area of the filtering material of the shell is too small in this device, and this leads to the device being fouled after a short time and to increasing resistance to the oil flow. The result is that the relief valve will open and uncleaned oil will flow into the mechanism directly, by-passing the tribochemical package, which calls, in its turn, for continually watching the fouling indicator. In summing up, the device has a short continuous-service life and requires frequent cleanings.
An improved version is a device to provide a tribochemical mode of operation in a lubrication system usable with a mechanism (SU, A1, 1 507 995), comprising a casing, a cover with inlet holes and an outlet nozzle for oil inflow and outflow, a relief valve, a tribochemical package, and an indicator to show the extent of fouling within the device. The tribochemical package consists of two covers, with three cylindrical shells, perforated for oil passage, installed therebetween. The small- and middle-diameter shells are enveloped in filtering material. Granulated alkaline reagent is placed in between the larger- and middle-diameter shells. The filtering material of the smaller-diameter shell is impregnated with iodine. The fouling indicator is linked mechanical
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Glebovsky Dmitry N.
Judovich Mikhail E.
Povarov Vladimir G.
Shenberg Nikolai N.
Drodge Joseph W.
Zakrytoye Aktsionernoye Obshchestvo "Troiler-Korporatsiya"
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