Patent application number | Description | Published |
20080247896 | Fluoropolymer-containing films for use with positive-displacement fluid pumps - A positive-displacement pump comprising a housing, a rotatable component disposed at least partially within the housing, and a film disposed at least partially between the housing and the rotatable component, where the film comprises a reinforcing material and a fluoropolymer material. | 10-09-2008 |
20080312116 | Multifunctional Lubricant Additive Package - The present invention provides a multifunctional lubricant additive package or composition for improving load-carrying capacity, scuffing (scoring) resistance, and other performance characteristics of a lubricant. The composition includes a molybdenum compound, a secondary zinc dithiophosphate compound, an aryl or alkyl phosphite compound, and a compound having an alkylthiocarbamoyl group. The present invention further provides a method for improving the performance characteristics of a lubricant. The method includes mixing a lubricant base stock or a fully-formulated lubricant with the above-described multifunctional lubricant additive composition. | 12-18-2008 |
20090011964 | Lubricants Containing Multifunctional Additive Packages Therein for Improving Load-Carrying Capacity, Increasing Surface Fatigue Life and Reducing Friction - The present invention provides a composition for improving load carrying capacity, extreme pressure performance, surface fatigue life, and other performance characteristics of a lubricant. The composition includes a base stock and a combination of two, three, or all of a friction modifier, and antiwear additive, an extreme pressure additive, and a surface fatigue life modifier. The present invention further provides a method for improving the performance characteristics of a lubricant. The method includes a step of mixing a lubricant with the above-described multifunctional lubricant additive composition or mixing a lubricant base stock with the above-described multifunctional lubricant additive composition. | 01-08-2009 |
20090037159 | Method and System for Developing Lubricants, Lubricant Additives, and Lubricant Base Stocks Utilizing Atomistic Modeling Tools - A method and system for developing lubricant, as well as the lubricant, is provided. According to performance requirements for the lubricant, atomistic modeling tools are used to design a formulation for the lubricant that will substantially meet a set of performance requirements. The formulation comprises lubricant additive(s), lubricant base stock(s), or the combination of lubricant additive(s) and lubricant base stock(s). | 02-05-2009 |
20090082236 | Multifunctional Lubricant Additive Package for a Rough Mechanical Component Surface - The present invention provides a multifunctional lubricant additive or composition for improving load-carrying capacity, scuffing (scoring) resistance, and other performance characteristics of a lubricant. The composition includes a friction modifier, an antiwear additive, an extreme pressure additive, and a surface fatigue life modifier. The present invention further provides a method for improving the performance characteristics of a lubricant, which includes a step of mixing a lubricant base oil or fully formulated lubricant with the above-described multifunctional lubricant additive composition. | 03-26-2009 |
20090099675 | System and Method for Optimizing Transmission Component Life and Transmission Power - A power transmission system including a component having a surface and a plurality of micro-defects is provided. The surface has a distribution of asperities. The component has a first resonance frequency distribution. The distribution of asperities has a second resonance frequency distribution that is substantially outside of the first resonance frequency distribution. | 04-16-2009 |
20090107275 | Gear Having Improved Surface Finish - There is a gear set. The gear set has a) a first gear having a first surface and b) an intermeshing second gear having a second surface. The first and second surfaces each, independently, have an isotropic arithmetic mean roughness, Ra, of about 3 microinches or less and are lubricated. There is also a method for increasing the contact surface-fatigue life of a gear set. | 04-30-2009 |
20090137436 | Lubricant Additive Packages for Improving Load-Carrying Capacity and Surface Fatigue Life - The present invention provides a multifunctional lubricant additive package or composition for improving load-carrying capacity, pressure resistance, surface fatigue life, and other performance characteristics of a lubricant or base oil. The composition typically includes four components: (a) an alkyl or aryl neutral phosphate, (b) a long-chain organic partial ester, (c) an aryl or alkyl phosphite, and (d) a phenol compound. The present invention further provides a multifunctional lubricant having improved performance characteristics, which are obtained by mixing a lubricant with the above-described multifunctional lubricant additive package or composition. | 05-28-2009 |
20090151494 | Methods and Systems to Enhance Efficiency of Power-Transmission Systems Containing Higher Viscosity Lubricants - A power transmission system and a method for enhancing the efficiency of such systems are provided. The system and method includes a lubricant having a viscosity from about 0.01 centistokes to about 400.00 centistokes, power transmission components with a contact surface finish of less than about 16 microinches, and coating the power transmission components with the lubricant during operation of the system. | 06-18-2009 |
20090270283 | Process for Deposition of Amorphous Carbon - There is a coated, dynamic contact surface. The contact has a substrate and a carbon-based coating on the substrate. The coating has a coefficient of friction of about 0.5 or less and an atomic hydrogen content of about 5% to about 25%. There is also a mechanical system. There is a method for increasing oil-out survivability in a mechanical system. | 10-29-2009 |
20120015109 | FLUOROPOLYMER-CONTAINING FILMS FOR USE WITH POSITIVE-DISPLACEMENT FLUID PUMPS - A positive-displacement pump comprising a housing, a rotatable component disposed at least partially within the housing, and a film disposed at least partially between the housing and the rotatable component, where the film comprises a reinforcing material and a fluoropolymer material. | 01-19-2012 |
20120267238 | PROCESS FOR DEPOSITION OF AMORPHOUS CARBON - A method for increasing oil-out survivability in a mechanical system having a plurality of components each having a least one surface, includes placing at least one of the plurality of components into a vacuum chamber having at least one broad-beam ion gun; supplying an inert gas to the broad-beam ion gun; accelerating the ionized inert gas to high kinetic energy; cleaning the surface of the component with the ionized and accelerated inert gas; supplying a hydrocarbon gas having at least 25 wt % acetylene to the broad-beam ion gun; ionizing the hydrocarbon gas; accelerating the ionized hydrocarbon gas to high kinetic energy; and directing the ionized and accelerated hydrocarbon gas to the surface of the component at a temperature of about 300° F. or less to deposit a carbon-based coating thereon. | 10-25-2012 |