A method for mitigating preignition events in a hydrogen internal combustion engine. The method includes providing a dosing system in fluid communication with a dosing cylinder of a cylinder block of the hydrogen internal combustion engine; introducing a lubricant including a base oil, a polymer, or mixtures thereof to an intake area of the dosing cylinder via the dosing system; and initiating operating conditions for the hydrogen internal combustion engine.
F02D 19/02 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with gaseous fuels
F02D 19/06 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
F02D 19/12 - Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with non-fuel substances or with anti-knock agents, e.g. with anti-knock fuel
F02D 35/02 - Non-electrical control of engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
F02D 41/00 - Electrical control of supply of combustible mixture or its constituents
F02M 21/02 - Apparatus for supplying engines with non-liquid fuels, e.g. gaseous fuels stored in liquid form for gaseous fuels
C10M 169/04 - Mixtures of base-materials and additives
A method of lubricating the contact between a first surface coated with a hydrogenous carbon film or coating of type a-C:H, ta-C:H, a-C:H:Me or a-C:H:X, as classified by VDI-Standard VDI 2840 and a second ferrous, preferably steel surface. The method comprises supplying to said contact a lubricating oil composition comprising a major amount of an oil of lubricating viscosity and (a) an oil-soluble or oil-dispersible molybdenum compound in an amount such as to provide between 150 and 1000 ppm by weight of molybdenum to the lubricating oil composition, and (b) between 0.1 and 5% by weight with respect to the weight of the lubricating oil composition of a polymeric organic friction modifier, the organic friction modifier being the reaction product of (i) a functionalised polyolefin, (ii) a polyether, (iii) a polyol and (iv) a monocarboxylic acid chain terminating group.
C10M 135/18 - Thio-acidsThiocyanatesDerivatives thereof having a carbon-to-sulfur double bond thiocarbamic type, e.g. containing the groups
C10M 163/00 - Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
C10M 145/02 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C10M 161/00 - Lubricating compositions characterised by the additive being a mixture of a macromolecular compound and a non-macromolecular compound, each of these compounds being essential
C10M 169/04 - Mixtures of base-materials and additives
The use of polyalkylenyl succinic anhydrides to stabilise an additive concentrate which includes a salicylate detergent and a nitrogen-free ashless organic friction modifier.
C10M 169/04 - Mixtures of base-materials and additives
C10M 163/00 - Lubricating compositions characterised by the additive being a mixture of a compound of unknown or incompletely defined constitution and a non-macromolecular compound, each of these compounds being essential
C10M 129/54 - Carboxylic acidsSalts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring containing hydroxy groups
C10N 30/00 - Specified physical or chemical property which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
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