Castrol Limited Patent applications |
Patent application number | Title | Published |
20150292372 | Container, Method and Control System - A replaceable fluid container for an engine comprising: a reservoir for holding a fluid; a fluid coupling adapted to provide fluidic communication between the reservoir and a fluid circulation system of an engine; and a data provider arranged such that positioning the container to permit fluidic communication between the reservoir and the fluid circulation system of the engine arranges the data provider for data communication with an engine control device of the engine. There is also provided a method of facilitating control of an engine and an engine control system, apparatus and a vehicle. | 10-15-2015 |
20150292371 | Apparatus and Method - A fluid reservoir system for a vehicle engine, which engine comprises a fluid circulation system, the reservoir system comprising a container for fluid, in which the container comprises at least one fluid inlet port, at least one fluid outlet port and at least one vent port and in which, each of said ports comprises a self-sealing coupling adapted to connect to a corresponding coupling on the vehicle engine to thereby connect said container in fluidic communication with the fluid circulation system of the engine and in which the reservoir system comprises at least one latch which is adapted to retain said container in fluidic communication with said vehicle engine fluid circulation system and is remotely operable to disconnect said container from said vehicle engine fluid circulation system and in which the system comprises at least one actuator which is connected to one or more of said latches and is adapted to operate said one or more latches and said container is elongate; said inlet, outlet and vent ports are located at a common first end of said container; and said at least one actuator is operable at a second end of said container, distal from said ports. Also provided is a method of supplying fluid to a vehicle engine using said fluid reservoir system. | 10-15-2015 |
20150291317 | Apparatus - A cartridge for replenishing a vehicle fluid, a fluid reservoir system comprising same and a holder, a holder, a vehicle engine comprising the fluid reservoir system and a vehicle comprising said engine in which, the cartridge comprises: a housing comprising a first part and a second part; a fluid reservoir in the housing; a port arranged on the first part of the housing to couple the reservoir in fluidic communication with a fluid system of the vehicle; wherein the second part of the housing is configured to rotate with respect to the first part of the housing to secure the cartridge with respect to the fluid system to hold the reservoir in fluidic communication, via the port, with the fluid system of the vehicle, wherein the second part of the housing is configured such that rotating the second part of the housing does not rotate the port. | 10-15-2015 |
20150218479 | FRICTION MODIFIER AND THEIR USE IN LUBRICANTS AND FUELS - The use as an ashless anti-wear additive in a non-aqueous lubricating composition and/or in a fuel composition, of at least one compound represented by the structural formula (I): wherein R | 08-06-2015 |
20140274834 | MULTIPLE FUNCTION DISPERSANT VISCOSITY INDEX IMPROVER - The present invention provides a multiple function dispersant viscosity index improver, a method of making the multiple function dispersant viscosity index improver, and a lubricating oil comprising the multiple function dispersant viscosity index improver. The multiple function dispersant viscosity index improver comprises two different functional groups, each directly grafted to a polymer backbone having graftable sites. The first functional group comprises the reaction product of an acylating agent and a first amine, the first amine comprising an aromatic primary amine, and the second functional group comprises the reaction product of an acylating agent and a second amine, the second amine comprising an aliphatic primary amine. The first functional group provides the dispersant viscosity index improver with soot handling performance attributes and the second functional group provides the dispersant viscosity index improver with sludge and varnish control performance attributes. | 09-18-2014 |
20130167431 | NON-AQUEOUS LUBRICANT AND FUEL COMPOSITIONS COMPRISING FATTY ACID ESTERS OF HYDROXY-CARBOXYLIC ACIDS, AND USES THEREOF - The use as an anti-wear additive and/or friction modifier in a non-aqueous lubricant composition and/or in a fuel composition of at least one long chain fatty acid ester of a hydroxy carboxylic acid in which the long chain fatty acid has at least 4 carbon atoms and the ester is an oil-soluble ester of a mono- or poly-hydroxy carboxylic acid having 1 to 4 groups which are independently carboxylic acid groups or lower hydrocarbyl esters thereof and in which, when the hydroxy carboxylic acid is a mono-hydroxy carboxylic acid, the ester has a long chain fatty acid ester moiety of the hydroxy group of the hydroxy carboxylic acid and, when the hydroxy carboxylic acid is a poly-hydroxy carboxylic acid, the ester has independently long chain fatty acid ester moieties of one or two of the hydroxy groups of the poly-hydroxy carboxylic acid. Also, a non-aqueous lubricant composition and a fuel composition for an internal combustion engine which comprises at least one of said long chain fatty acid esters. | 07-04-2013 |
20130072408 | USES AND COMPOSITIONS - The use of an oil-soluble mono-, di-, or tri-glyceride of at least one hydroxy polycarboxylic acid, or a derivative thereof, as an anti-wear additive and/or friction modifier in a non-aqueous lubricant composition and/or in a fuel composition. Also, a non-aqueous lubricant composition and a fuel composition for an internal combustion engine which comprise at least one additive which is an oil-soluble mono-, di-, or tri-glyceride of at least one hydroxy polycarboxylic acid, or a derivative thereof. | 03-21-2013 |
20110287992 | MULTIFUNCTIONAL MULTIPLE GRAFT MONOMER LOW MOLECULAR WEIGHT POLYMER - The composition and preparation of multiple graft low molecular weight polymers useful as dispersants are described. The dispersants described are suitable for controlling sludge and varnish as well as soot. The product is useful as a lubricant additive and a fuel additive. | 11-24-2011 |
20110251112 | Graft Polymer and Related Methods and Compositions - The present invention relates to a graft polymer of (a) a polyalphaolefin having a weight average molecular weight of less than 15000 and a polydispersity of 1.1 to 10; (b) a nitrogenous, ethylenically unsaturated, aliphatic or aromatic, graftable monomer having from 2 to about 50 carbon atoms; and (c) an organo-metallic compound selected from organo-molybdenum, organo-titanium, organo-manganese compounds and mixtures thereof; a process for making the graft polymer; and a lubricating oil composition comprising a major amount of a base oil and a minor amount of the graft polymer. | 10-13-2011 |
20110245119 | Multiple Function Graft Polymer - The composition and preparation of multifunctional graft polymers useful as dispersants are described. The dispersants described are suitable for controlling sludge and varnish as well as soot, friction and wear. The product is useful as a lubricant additive. | 10-06-2011 |
20110082060 | Fire Resistant Lubricating Grease Composition - Fire resistant lubricating grease compositions resistant to self ignition and/or capable of self extinguishment when contacted with surfaces having temperatures of up to 9000 C are disclosed. The invention provides for grease compositions comprising (1) base oil (which can be mineral, vegetable, synthetic or combinations thereof), (2) at least one grease thickener (selected from calcium sulfonates or lithium-based soaps), and (3) water as major components. The invention also provides a method for the preparation of the grease composition and a method for lubrication of bearings, gears, surfaces and other lubricated components comprising use of the grease composition of the present invention. The grease compositions of this invention display excellent fire resistance properties and still have outstanding physical and performance characteristics for applications where temperatures and loads are high, shock loading is significant and in the presence of significant amounts of water. | 04-07-2011 |
20100200609 | Vehicle Fluid Dispensing Apparatus and Method of Use - This invention relates to a vehicle fluid dispensing apparatus and a method of use. The apparatus includes a plurality of motive force devices for fluid communication with a plurality of reservoirs. The apparatus also includes a plurality of metering devices in fluid communication with the motive force devices and a single nozzle in fluid communication with the plurality of motive force devices. | 08-12-2010 |
20090326756 | Method for determining the performance of motor vehicle consumables - A method for determining the performance of at least one motor vehicle consumable selected from the group consisting of engine lubricant, fuel and tyres, in a motor vehicle having an engine with at least one fuel injection valve, a lubricating system and a CANbus network comprising at least three network nodes, each operably connected to a computer, which method comprises: operating the vehicle whilst supplying the engine with the fuel through at least one fuel injection valve and lubricating the engine with the engine lubricant characterised in that: a first CANbus network node transmits to the computer, a signal indicative of the engine fuelling rate based upon the opening time of at least one of the fuel injection valves; one or more second CANbus network nodes transmit one or more signals to the computer indicative of one or more variables indicative of the power output of the engine; one or more third CANbus network nodes transmit one or more signals to the computer indicative of the vehicle operating conditions; the computer calculates a variable (Corrected Power Output) indicative of the power output of the engine corrected for the vehicle operating conditions using the one or more signals transmitted to the computer by the one or more second CANbus network nodes, the one or more signals transmitted to the computer by the one or more third CANbus network nodes and a predetermined algorithm; and the computer transmits and/or stores the Corrected Power Output and the signal indicative of the engine fuelling rate. | 12-31-2009 |
20090126469 | Method of Monitoring Fire Resistance of Hydraulic Fluids - A method of monitoring the fire resistance of hydraulic fluids involves measuring a property of the hydraulic fluid that changes as the hydraulic fluid is used; relating the measurement to the fire resistance of the hydraulic fluid; and if necessary, taking remedial action in order to improve the fire resistance of the hydraulic fluid. A suitable property is the molecular weight of polymer anti-mist additives such as polymethyl methacrylate and the fire resistance may be improved by adding to the hydraulic fluid, a concentrate of the polymer in a suitable solvent when the measured molecular weight falls below an acceptable value. | 05-21-2009 |