Abstract:
A solid or semi-solid upper cylinder lubricant is completely soluble in motor fuel and has a lower apparent density than that of the fuel due to the incorporation in the mass of small gaseous or vaporous inclusions. The lubricant may comprise a mineral wax, e.g. paraffin or ceresin, a non-mineral wax, e.g. beeswax, or a mixture thereof, to which an aromatic hydrocarbon, e.g. naphthalene or anthracene may be added. The lubricant may be prepared by beating air or other gas into the molten mixture, or by melting the ingredients in a vessel into which gas under pressure is introduced, the molten mass containing absorbed gas being extruded through a relief valve at a temperature a little above the setting point of the mixture.
Abstract:
Lubricants are obtained by adding to mineral lubricating oils "petrolene" obtained by extracting asphalt or pitch with benzine or carbon-tetrachloride or like solvent, and emulsifying the whole in limewater. The "Petrolene" may be added as a solution in a lighter mineral oil. For example, a solution of 10-40 kg. of "petrolene" in 90-60 kg. of machine oil is added to cylinder oil to give the cylinder oil a "petrolene" content of 0,2-0,8 per cent, and 1-60 per cent by volume of lime water is added.
Abstract:
Disclosed are liquid coolants for electric systems and methods of making the same. An example liquid coolant for electric systems may comprise: a base oil, wherein the base oil is a major component of the liquid coolant; and a dissolved gas in an amount sufficient to have a measurable effect on fluid viscosity of the liquid coolant; wherein the liquid coolant has a kinematic viscosity at 100° C. of about 7 cSt or less.
Abstract:
Method and System of lubricating at least one moving part with a medium. The medium includes a dissolved mixture of lubricant and compressed gas. The amount of lubricant and compressed gas may be controlled in forming the dissolved mixture in response to input conditions. A user and/or external factors may be used to determine the input conditions. In response to the input conditions the amount of lubricant and compressed gas is delivered to the moving part that is housed in a pressurized chamber. The properties of the dissolved mixture can be adjusted, whereby the properties may include, but are not limited to, the following: viscosity, temperature, and thermal conductivity. This adjustment to the gas may be accomplished, for example, by releasing gas from the pressurized chamber in an amount to adjust the properties. In a further approach, lubricant may be scavenged from the pressurized chamber by returning surplus lubricant to its original source or other designated location.
Abstract:
A method of forming and delivering a carbonated machining fluid to be used in a machining process, the machining process including a tool contacting a substrate, comprises supplying a pressure vessel with a non-carbonated machining fluid and non-supercritical carbon dioxide. The machining fluid and carbon dioxide are allowed to admix such that at least a portion of the carbon dioxide dissolves into the machining fluid to form the carbonated machining fluid. The carbonated machining fluid is then delivered under pressure from the vessel to an applicator and applied to the tool or the substrate to impart cooling and lubricating effects.
Abstract:
A method for lubricating a metal workpiece during a metalworking process includes delivering supercritical carbon dioxide to the workpiece during the metalworking process. The supercritical carbon dioxide acts as a lubricant, coolant, chip evacuator, and/or carrier for another lubricant or corrosion inhibitor.
Abstract:
A foaming food-grade lubricant that, in a preferred embodiment, includes a blend of triglyceride esters of C8 to C22 fatty acids derived from vegetable or animal sources compounded with lecithin and, optionally, an organic solvent such as methyl, ethyl or other short chain (