An electric motor lubricating fluid for an electric motor system including a lubricating base oil, at least one sulfurized component, at least two phosphorus-providing additives, and at least one high molecular weight dispersant. The electric motor lubricating fluid provides acceptable wear performance as well as good electrical conductivity and oxidative stability for use in electric motor system fluids having a low viscosity.

This invention relates to a diesel engine lubricating oil composition comprising or resulting from the admixing of: (i) base oil, (ii) a functionalized polymer, (iii) an overbased magnesium based detergent, (iv) an overbased calcium based detergent and (iv) one or more, optionally borated, higher and lower molecular weight PIBSA-PAM dispersants. The composition has a total sulfated ash of less than or equal to 1.0 wt. %, a kinematic viscosity at 100 C. of 5 to 20 cSt, a total phosphorous level of less than or equal to 0.120 wt. %, and a total sulfur level of less than or equal to 0.4 wt. % and provides a Cummins ISM oil filter delta pressure (OFDP) test result at 150 hours of less than 30 kPa. Also provided are a method of making the composition, a method of lubricating a diesel engine, a method of improving wear performance and soot dispersancy and reducing emissions of a diesel engine, and a diesel engine oil additive concentrate composition.

This invention relates to a lubricating oil composition comprising or resulting from the admixing of: a) 50 to 99 mass % of one or more base oils; b) 0.1 to 15 mass % of one or more functionalized olefin copolymer having an Mn of from 10,000 to 35,000 g/mol; c) 0.1 to 20 mass % of one or more detergents wherein the detergent comprises at least one calcium detergent having a TBN of more than 100 mg KOH/g; at least one calcium detergent having a TBN of 100 mg KOH/g or less; and at least one magnesium detergent, where the difference in the TBN's for the Ca detergents is at least 100 mg KOH/g; d) 0.01 to 40 mass % of one or more dispersants wherein the dispersants comprise at least one borated dispersant and at least one non borated dispersant; e) 0.01 to 20 of mass % sulfurized fatty acid ester; f) 0.01 to 5 mass % of one or more amine or phenol based antioxidants; and g) 0.001 to 15 mass % of molybdenum containing compound, where the lubricating oil composition has: 1) a sulfated ash content of 0.9 mass % or less; 2) a Mack T-11 final soot %@15 cSt of 6.7% or more; 3) a total base number of 5 to 30 mg KOH/g; 4) HTCBT of copper level increase of 20 ppm or less; 5) T-13 IR peak EOT of 40 abs/cm or less; and 6) Cam wear outlet of 45 m or less.

Provided herein are aqueous mobility enhancing compositions for improving travel of metal containers through a manufacturing process, including manufacturing equipment and conveyors; methods for making such compositions, and methods for reducing a coefficient of friction on a surface of a metal container by contacting the container with a disclosed composition and containers having a metal surface having a composition of the invention dried-in-place thereon. The compositions are useful for producing desirable slip angle characteristics on surfaces of metal containers that have been subjected only to cleaning processes, or that have been both cleaned and conversion coated.

This invention relates to a lubricating oil composition for ammonia fueled internal combustion engines (AICE) including: a) an oil of lubricating viscosity at greater than 50 wt. % of the composition comprising a Group I base oil, a Group II base oil, a Group III base oil, a Group IV base oil, or combinations thereof; b) optionally, one or more, optionally borated, higher molecular weight polyisobutylene succinimide (PIBSA-PAM) dispersant (Mn 1600 g/mol or more); c) one or more, optionally borated, lower molecular weight polyisobutylene succinimide (PIBSA-PAM) dispersant (Mn less than 1600 g/mol), wherein the treat level of the combination of the higher molecular weight PIBSA-PAM and lower molecular weight PIBSA-PAM is from 2.5 to 12.0 wt. % of the composition, wherein the treat level of the lower molecular weight PIBSA-PAM is from 0.1 to 9.0 wt. % of the composition, and wherein the treat level of the higher molecular weight PIBSA-PAM is less than or equal to 3.0 wt. %; and d) one or more overbased detergents selected from the group consisting of a metal salicylate, a metal carboxylate, a mixture of a metal salicylate and a metal sulfonate, a mixture of a metal carboxylate and a metal sulfonate, and combinations thereof, wherein the one or more overbased detergents have a Total Base Number (mgKOH/g) greater than or equal to 9 and less than or equal to 500 and deliver at least 5 mmol of total soap to the composition; and e) one or more zinc dialkyl dithiophosphate (ZDDP) compounds at from about 0.08 wt. % to about 2.0 wt. % of the lubricating oil composition. The lubricating oil composition has a total sulfated ash of less than or equal to 5.0 wt. %, and a total phosphorous level of less than or equal to 0.120 wt. %, and a viscosity of less than or equal to 25 cSt (KV100). The lubricating oil composition upon exposure to ammonia contamination per the NOx-Ammonia exposure protocol results in a decrease in MCT performance rating of less than or equal to 4.0 merits. Also provided is a concentrate for use in a lubricating oil for an AICE and a method of improving engine cleanliness in an AICE.

This invention relates to a lubricating oil composition for hybrid engines including a) an oil of lubricating viscosity at greater than 50 wt. % of the composition comprising a Group I, II, III or IV base oil, or combinations thereof; b) one or more, optionally borated, higher molecular weight polyisobutylene succinimide (PIBSA-PAM) dispersant (Mn 1600 g/mol or more); c) optionally one or more, optionally borated, lower molecular weight polyisobutylene succinimide (PIBSA-PAM) dispersant (Mn less than 1600 g/mol), wherein the treat level of the combination of the higher molecular weight PIBSA-PAM and lower molecular weight PIBSA-PAM is from 1.0 to 12.0 wt. % of the composition, and wherein the treat level of the higher molecular weight PIBSA-PAM is from 1.0 to 9.0 wt. % of the composition; and d) an overbased calcium salicylate or sulfonate detergent, an overbased magnesium salicylate or sulfonate detergent, an overbased mixed calcium and magnesium salicylate or sulfonate detergent or a combination thereof, wherein the detergent has a Total Base Number (KOH/g) greater than or equal to 9 and less than or equal to 500 and delivers at least 5 mmol of total soap to the composition. Also provided is a method of evaluating a lubricating oil composition for ranking its performance in a hybrid engine by running a bench scale test protocol based upon 3 test results: the emulsion dispersion and stability performance at all 4 test conditions in the Emulsion Stability test (modified ASTM D7563), the emulsion corrosion test, and the journal bearing wear test.