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Class 73/53.05 - Lubricant testing


Subclass of Class 73 - Measuring and testing
Definition: Subject matter wherein the determination is made by measuring
No. of applications: 51
Last issue date: 03/22/2012


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Application No.Application TitleIssue Date
20120067111BEARING, ARRANGEMENT FOR DETERMINING PROPERTIES OF A LUBRICANT IN A BEARING AND METHOD FOR DETERMINING PROPERTIES OF A LUBRICANT IN A BEARING
The invention relates to a bearing, comprising:
    • a first and a second bearing element (11, 13, 17, 12, 14, 18) th...
03/22/2012
20110296902METHOD FOR METERED DISPENSING OF LUBRICANT
The invention relates to a method for metered dispensing of lubricants using a lubricant dispenser comprising a reservoir chamber filled with lubricant, a gas generating unit for electrochemically generating gas, a piston acted on by the generated gas for outputting the...
12/08/2011
20110252870METHOD FOR MONITORING A LINEAR GUIDE
A method for monitoring a linear guide with a carriage that can be displaced along a rail on a lubricated rolling contact is provided having a sensor device for detecting a state of a lubricant for lubricating the rolling contact. In order to allow a quick determination...
10/20/2011
20110239743VEHICLE WORKING-FLUID EVALUATING SYSTEM
A vehicle working-fluid evaluating system includes an obtaining device configured to obtain a plurality of deterioration elements related to deterioration factors that are generated as a vehicle travels and that accelerate deterioration of working fluid. A deterioration...
10/06/2011
20110223672INTEGRATED METHODS FOR CORROSIVITY, AGEING AND FINGERPRINTING DETERMINATION, AS WELL AS DIAGNOSIS, DECONTAMINATION, DEPOLARISATION AND DETOXIFICATION OF OILS
The methods of the invention are aimed toward the determination of corrosivity, ageing, fingerprinting and contaminants, as well as the functional diagnosis, decontamination, depolarisation and detoxification of oils and technical fluids, such as mineral insulating, nat...
09/15/2011
20110100092METHOD OF DETERMINING THE FUEL CONTENT IN A COMBUSTION ENGINE LUBRICATING OIL
The invention relates to a device and to a method for determining the proportion of fuel in a combustion engine lubricating oil. The device according to the invention comprises a column (12) with at least 22000 theoretical plates and a steady state phase capable ...
05/05/2011
20110046029Combinations of Phosphorus-Containing Compounds For Use As Anti-Wear Additives In Lubricant Compositions
The present disclosure relates to a lubricant composition comprising a first phosphorus compound, a second phosphorus compound, and a third phosphorus compound, wherein the first phosphorus compound is present in the lubricant composition in an amount to provide between...
02/24/2011
20110016954System and method for screening liquid compositions
Disclosed herein is a system and method for screening a liquid composition. The system includes (a) a test cell having a top portion and a bottom portion, the test cell comprising (i) a test panel removably mounted to the top portion of the test cell at an angle of betw...
01/27/2011
20100313631Fluid Discrimination Method and Fluid Discrimination Apparatus
A fluid discrimination apparatus and a fluid discrimination method are provided for carrying out with accuracy a fluid discrimination such as a fluid type discrimination, a concentration discrimination, the fluid existence or nonexistence discrimination, and a fluid tem...
12/16/2010
20100299080DETERMINATION OF OIL DETERIORATION AND CONTROL AND/OR REGULATION OF AN INTERNAL COMBUSTION ENGINE
At least one operating quantity of an internal combustion engine is recorded. A criterion is derived for an oil change from the at least one operating quantity by converting a number of operating quantities, as input quantities of a neural and/or probabilistic computer ...
11/25/2010
20100199749Arrangement for determining a characteristic variable of a fluid, sensor device and use in a motor vehicle
An arrangement and method for determining a characteristic variable of a fluid having a movably suspended measuring element, a restraining element, an advancing element and a control device. The control device is designed to actuate the restraining element and/or the ad...
08/12/2010
20100180671ENGINE OIL DEGRADATION-ESTIMATING DEVICE AND DEVICE FOR ESTIMATING ANTIOXIDANT PERFORMANCE OF ENGINE OIL
To provide an engine oil degradation-estimating device and a device for estimating antioxidant performance of engine oil which are capable of determining degradation and an antioxidant performance of engine oil inexpensively and accurately, thereby making it possible to...
07/22/2010
20100180663Sensor and method for detecting oil deterioration and oil level
A capacitive sensor in its simplest form has three identical plated spatial electrodes, which are positioned equally spaced apart, in order, alignment and parallel with each other. The first and third electrodes are the outer electrodes and connected in parallel by a fi...
07/22/2010
20100137173PYRROLIDINE-2,5-DIONE DERIVATIVES FOR USE IN FRICTION MODIFICATION
The present disclosure relates to a compound of the formula I or a tribologically acceptable salt, solvate, hydrate, or proadditive thereof, wherein R1, R2 and R4 are as defined herein. Such novel pyrrolidine, or succinimide, derivatives may be useful as friction modifi...
06/03/2010
20100113311Method for quantitatively determining the dye content in dyed oils
A new method to determine by quantitative analysis the amount of dye present in dyed engine oils is provided. The method uses imaging techniques, such as spectrophotometry, and a combination of dilution and standard addition techniques to quantitatively determine the co...
05/06/2010
20100089131MEMS-based sensor for lubricant analysis
A fluid contamination analyzer employs one or more MEMS-based sensors. The sensors are incorporated into probes or alternatively may be employed in an in-line analyzer residing in the fluid. The sensors, which can be selective to detect a distinct contaminant within the...
04/15/2010
20090241645SYSTEM AND METHOD FOR DETERMINING TRANSMISSION OIL TYPE
Transmission oil type may be determined based on the opening time of a transmission latch valve and on oil temperature. An opening time of a latch valve positioned between an oil reservoir and one or more torque transmitting devices of a transmission is determined in re...
10/01/2009
20090211342Method for the Quantitative Determination of an Aging Effect on Motor Oil
The quantitative determination of aging effects on motor oil is of great interest. According to a method, two variables of the motor oil are detected, one of the two variables being the viscosity and the other variable being the acid content of the motor oil. A first de...
08/27/2009
20090192063Final Drive and Powershift Transmission Lubricants
There is disclosed a lubricating composition comprising an oil of lubricating viscosity formulated with an additive package comprising at least one overbased metal detergent, at least one neutral metal detergent, and at least one phosphorus-based wear preventative. Meth...
07/30/2009
20080314127Sulfur in fuel tester
A portable diesel fuel tester and a method of its use are provided. A sample of diesel fuel is placed in a sample tray of the tester. The diesel fuel is heated to a gas state and circulated to a SO2 sensor by an air pump. The SO2 sensor determines ...
12/25/2008
20080289400PETROLEUM VISCOSITY MEASUREMENT AND COMMUNICATION SYSTEM AND METHOD
The disclosure presents an apparatus and method for measuring viscosity of a lubricating oil. The apparatus has a piezo-resistive cantilever sensor for sensing a first oil viscosity parameter. The sensor has a cantilever having a pressure receiving portion for receiving...
11/27/2008
200802690881,3,2-DIOXAPHOSPHORINANE, 2-SULFIDE DERIVATIVES FOR USE AS ANTI-WEAR ADDITIVES IN LUBRICANT COMPOSITIONS
The present disclosure relates to a non-acidic, sulfur-containing, phosphorus-containing compound of the formula I

where R1, R2, R3, R4, R5, R6

10/30/2008
20080228339Apparatus and Method for Determining Remaining Transmission Oil Life
An improved method for predicting the remaining useful life of transmission oil and an apparatus for practicing the same are provided. The method includes: detecting if the transmission has completed a new shift; if yes, determining a total shift count; determining accu...
09/18/2008
20080163678Oil life monitoring system for a diesel engine
An oil life monitoring system for a diesel engine system includes a viscosity loss module, a viscosity gain module, and a remaining oil life module. The viscosity loss module determines a percentage of viscosity loss of engine oil based on fuel accumulation in the engin...
07/10/2008
20080078238TEST METHOD FOR THE DETERMINATION OF AN OIL SEPARATION TENDENCY OF LUBRICATING GREASES AND TEST DEVICE FOR CARRYING OUT THE SAME
The invention relates to a test method and a test device for the determination of an oil separation tendency of lubricating greases under pressure load. In the method, a predetermined test pressure is applied to a test volume (2) filled with lubricating grease (<...
04/03/2008
20080072662TEST METHOD TO MEASURE LUBRICANT MOBILITY ON A HARD DRIVE DISK
A method for measuring the mobility of a lubricant located on the top surface of a disk used in hard disk drives. The method includes forming one or more scribe lines in a lubricant layer of the disk. The disk is then spun by a spin stand where lubricant moves in respon...
03/27/2008
20080066528High throughput screening methods for lubricating oil compositions
Method for determining deposit formation tendencies for a plurality of fluid samples of different compositions is provided. Each sample includes one or more lubricating oil compositions comprising one or more base oils of lubricating viscosity and one or more lubricatin...
03/20/2008
20080022757Oxidation stability measurement for oil condition management
A sensor apparatus is disclosed that includes a testing chamber or testing chamber arrays configured to receive a sample of oil to be tested. A first embedded heater is coupled to the testing chamber or testing chamber arrays and configured to supply heat to the sample....
01/31/2008
20070245811LUBRICITY MEASUREMENT USING MEMS SENSOR
A system that facilitates in situ determination of lubricity in a fluid comprises a multi-element sensor positioned within a machine, wherein the multi-element sensor obtains data regarding a plurality of parameters of a fluid. A component calculates lubricity of the fl...
10/25/2007
20070196925Determination of total base number in marine engine lubricants by elements
The present invention provides a method for determining the TBN of a used lubricating oil by measuring with a single device at least one element, such as sulfur, and correlating the measured amount to the oil's TBN. Preferably, a spectroscopic device is used to make the...
08/23/2007
20070084271Method and apparatus for estimating basicity of a used, all-loss cylinder lubricant
A method and apparatus for determining the total base number of a used lubricant from an open, all loss, lubricating system. An AC voltage signal is applied between electrodes immersed in the used lubricant and a used-lubricant dependent response to the applied signal m...
04/19/2007
20070074562Oil quality sensor structure for permanent applications
An oil quality sensor system comprise an acoustic wave viscosity and an etch rate sensor. The etch rate sensor system includes a piezoelectric substrate and one or more sensing layers configured upon the piezoelectric substrate. A layer of gold is generally configured a...
04/05/2007
20070068228High throughput screening methods for lubricating oil compositions
A method for determining storage stability for a plurality of fluid lubricant samples of different lubricating oil compositions is provided. Each sample includes a combination of one or more base oils and one or more lubricating oil additives. The methods can advantageo...
03/29/2007
20070056549Oil pan for engine
An oil level sensor for detecting an oil level is arranged in an engine oil pan. The oil level sensor includes a mounting section and a sensing section. An air hole is formed at an upper end of a cover member of the sensing section. The air hole is surrounded by a tubul...
03/15/2007
20070057675Oil sensor mounting structure
Of a sensing part and a mounting part of an oil level sensor mounted to a sensor mounting opening at a bottom portion of an oil pan of an engine, an undersurface of the mounting part exposed to the outside of the oil pan is located above the lowest part of the oil pan b...
03/15/2007
20070039378High throughput screening methods for lubricating oil compositions
Method for determining dispersancy performance for a plurality of fluid samples of different compositions is provided. Each sample includes one or more base oils of lubricating viscosity and one or more lubricating oil additives and a predetermined amount of an oil-inso...
02/22/2007
20060243032Multiple-function acoustic wave oil quality sensor
A method and system for detecting oil quality. The quality of engine oil can be determined utilizing an acoustic wave sensor to obtain viscosity and corrosivity data associated with the engine oil. The acoustic wave sensor is coated with a material that selectively reac...
11/02/2006
20060247137Method and system for screening lubricating oil compositions
A method for screening a lubricating oil composition having at least one base oil of lubricating viscosity and at least one lubricating oil additive is provided, the method comprising the steps of (a) inputting into a computational device an amount of each of the at lea...
11/02/2006
20060230833Wireless oil filter sensor
A wireless oil filter sensing system includes an oil filter and a sensing mechanism that is connectable to the oil filter. The sensing mechanism includes one or more acoustic wave sensing elements and at least one antenna that communicate with the acoustic wave sensing ...
10/19/2006
20060207315Method for the quantitative detection of two contaminants in a fluid
The quantitative determination of two contaminants of a fluid is carried out in the following steps: detection of permittivity ε and viscosity v of the fluid; determination of the quantity of the first contaminant 11e on the basis of a difference between ...
09/21/2006
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