Patent application number | Description | Published |
20080271450 | Exhaust gas recirculation system - A power system including an exhaust producing engine, an exhaust system and an exhaust gas recirculation (EGR) system is provided. The EGR system may include an EGR flowpath and an air intake system. The EGR system may also include an EGR valve configured to regulate the flow of exhaust gases through the EGR flowpath. The power system may also include a monitoring system configured to monitor operating parameters of at least two components of the EGR system. The power system may also include a controller configured to determine, based on the monitored operating parameters, a maximum flowrate value for each of the components. Each of the maximum flowrate values may represent the maximum EGR flowrate for that component. The controller may be configured to control the EGR valve, based on the maximum flowrate values, to result in an EGR flowrate no greater than the lowest of the maximum flowrate values. | 11-06-2008 |
20080295483 | Method and system for maintaining aftertreatment efficiency - A method is provided for compensating for variability in ash accumulation rates within an aftertreatment element of an engine exhaust system. The method includes determining flow resistance values through the aftertreatment element and tracking minimum flow resistance values over time. The method also includes correlating the tracked minimum flow resistance values over time, with a model of engine oil consumption rate that is based on predetermined values for model engine oil consumption. The method further includes adjusting the predetermined values based on the tracked minimum flow resistance values over time. | 12-04-2008 |
20080295484 | Method and system for maintaining aftertreatment efficiency - A method is provided for compensating for factors affecting particulate matter accumulation within an aftertreatment element of an engine exhaust system. The method comprises determining rate of change of flow resistance through the aftertreatment element with time. Regeneration is periodically initiated to reduce particulate matter accumulation within the aftertreatment element. Rate of change of flow resistance through the aftertreatment element over time is correlated with at least a model of particulate matter accumulation within the aftertreatment element and a model of regeneration frequency of the aftertreatment element, based on predetermined values for particulate matter accumulation and regeneration frequency. Action, at least including increasing regeneration frequency, is initiated to compensate for an increased rate of particulate matter accumulation in the aftertreatment element. | 12-04-2008 |
Patent application number | Description | Published |
20120226422 | Shift control and method - A machine has a power train including a prime mover connected to a transmission having two or more selectable gear settings. The machine includes an electronic controller configured to receive and transmit signals indicative of machine parameters. The electronic controller contains computer executable instructions for determining a current value for at least one efficiency metric of the machine at a current gear setting of the transmission. Instructions for determining a first expected value for the efficiency metric at a first alternative gear setting, instructions for comparing the current value with the first expected value to determine an optimal gear setting as between the current gear setting and the first alternative gear setting at least partially based on engine speed, and instructions for indicating a gear shift recommendation and/or performing a gear shift to select the optimal gear setting are executed during operation. | 09-06-2012 |
20140026564 | Flywheel Assembly for a Turbocharger - A flywheel assembly for a turbocharger a rotatable flywheel shaft that is separate from a turbocharger shaft, and a flywheel body coupled to the flywheel shaft. A flywheel sensor determines a flywheel operating parameter and supplies a flywheel feedback signal indicative of the flywheel operating parameter, and a flywheel clutch selectively couples the flywheel shaft to the turbocharger shaft. A controller operates the flywheel clutch based on the flywheel feedback signal. The flywheel shaft and flywheel body may be disposed in a flywheel housing that is separate and spaced from a turbocharger housing. | 01-30-2014 |
20140045651 | Flywheel Assembly for a Powertrain - A powertrain for a machine may include a flywheel and a drivetrain having multiple configurations to permit the flywheel to be mechanically connected both upstream and downstream of a transmission. A bypass clutch may be used to selectively couple the flywheel directly to the engine, while a flywheel clutch may be used to selectively couple the flywheel directly to a lower powertrain. In both upsteam and downstream modes of operation, the transmission is bypassed to increase flywheel energy storage and use, as well as expanding the functionality of the flywheel. | 02-13-2014 |
Patent application number | Description | Published |
20100192907 | Engine droop governor and method - A machine ( | 08-05-2010 |
20130054080 | SYSTEM AND METHOD OF MANAGING VEHICLES DEPLOYED IN A WORKSITE - A system and a method of managing one or more vehicles deployed in a worksite are provided. The system includes a battery management module which may receive, via a data network, battery health information and/or location co-ordinates from at least one vehicle. The battery management module is configured to issue a battery changing command, via the data network, to a battery-changing device based at least on the battery health information and the location co-ordinates of the vehicles. The battery-changing device may be configured to change at least one battery on the at least one vehicle with charged batteries based on the issued command. The battery-changing device is configured to return each of the changed battery to a central station to recharge the changed battery. | 02-28-2013 |
20140000973 | Energy Storage Integrated as Machine Counterweight | 01-02-2014 |
20140008051 | Cooling System Integration - A machine including an engine cooling system, a secondary system with a low-temperature limit, and a secondary cooling system. A temperature sensor is associated with the secondary cooling system. The temperature sensor senses the secondary cooling system temperature and provides a temperature signal. A control valve has an open position allowing fluid communication between the engine cooling system and the secondary cooling system, and a closed position disallowing fluid communication. A controller receives signals from the secondary system temperature sensor and commands the control valve to open when the secondary cooling system temperature is below the low-temperature limit. | 01-09-2014 |
20140014054 | Engine Starting Strategy to Avoid Resonant Frequency - A machine comprising an engine operable at various engine speeds including a resonant frequency engine speed. The machine comprises a hybrid motor operatively connected to the engine, the hybrid motor being adapted to apply power to the engine. An electronic control module is configured to control the hybrid motor to apply power to the engine until at least a time when the engine speed exceeds the resonant frequency engine speed. | 01-16-2014 |
20140014055 | Engine Starting Strategy to Avoid Resonant Frequency - A machine comprising a clutch, an engine operable at a resonant frequency engine speed, and a hybrid motor. The hybrid motor is connected to the engine through the clutch. The hybrid motor applies power to the engine when the clutch is engaged, and does not apply power to the engine when the clutch is disengaged. The hybrid motor is operable at a predetermined hybrid motor speed. An ignition switch starts the hybrid motor. An electronic control module disengages the clutch until the hybrid motor speed exceeds the predetermined hybrid motor speed, and engages the clutch after the hybrid motor speed exceeds the predetermined hybrid motor speed. | 01-16-2014 |
20140014459 | Engine Starting Strategy to Avoid Resonant Frequency - A machine comprising a clutch that engages and disengages. The machine includes an engine operable at various engine speeds including a resonant frequency engine speed, and a transmission connected to the engine through the clutch. The engine applies power to the transmission when the clutch is engaged, and the engine does not apply power to the transmission when the clutch is disengaged. The machine comprises an engine starter that applies power to the engine, and an electronic control module that controls the clutch to disengage when the engine starter applies power to the engine and to engage after the engine speed exceeds the resonant frequency engine speed. | 01-16-2014 |
20140018982 | Engine Starting Strategy to Avoid Resonant Frequency - A machine comprising powertrain components, an engine that applies power to powertrain components, and a hybrid motor that applies power to powertrain components. The machine includes an electronic control module that controls the hybrid motor to apply power to powertrain components. The machine includes an engine parameter sensor. The engine parameter sensor senses engine performance parameters and sends engine performance parameter signals to the electronic control module. The electronic control module monitors engine performance parameters and control the hybrid motor to apply power to the powertrain components to provide hybrid performance parameters to counteract the engine performance parameters. | 01-16-2014 |
20140172252 | Grade and Payload Estimate-Based Transmission Gear Selection - A vehicle includes an automatic transmission and a set of sensor inputs providing values indicating a current operational status of the vehicle pertinent to controlling the automatic transmission. The set of sensor inputs include: engine speed, engine torque, current transmission gear; and vehicle speed. The vehicle includes a programmed processor configured to iteratively and co-dependently generate a vehicle mass parameter value and a grade of incline parameter value. The programmed processor, when generating the vehicle mass parameter value and the grade of incline parameter value, uses a set of parameters including: a propulsive force driving the vehicle; a set of forces acting on the vehicle resisting forward movement, and an observed rate of change of a speed of the vehicle. | 06-19-2014 |
Patent application number | Description | Published |
20130303321 | DRIVE SYSTEM HAVING A PLANETARY GEAR SET - A machine includes a power source, a transmission, and a drive system configured to transmit torque from the power source to the transmission. The drive system includes a planetary gear set, a variator coupled to the planetary gear set, and a storage device operably connected to the variator. The storage device is configured to receive energy from and provide energy to the variator. | 11-14-2013 |
20130303333 | CONTROLLING A DRIVE SYSTEM HAVING A PLANETARY GEAR SET - A method of controlling a drive system includes receiving a machine travel speed request, and determining an output speed of a variator, associated with the drive system, required to satisfy the travel speed request at a current power source speed. The method also includes determining that a storage device operably connected to the variator has an amount of stored energy sufficient to operate the variator at the variator output speed, and providing torque to a machine transmission with a machine power source and the variator. The variator is operated at the variator output speed using stored energy from the storage device to provide torque to the transmission. The torque provided to the transmission with the power source and the variator is sufficient to satisfy the travel speed request at the current power source speed. | 11-14-2013 |
20130325293 | System And Method For Controlling Engine Torque Load - A machine includes at least one torque consuming device drivingly coupled with an internal combustion engine. An electronic controller is in communication with the engine and the torque consuming device, and is configured to receive a load request and determine a current operating state of the engine. The electronic controller simulates transition of the engine from the current operating state to a requested operating state according to a plurality of different load application pathways. An engine response characteristic for each of the different load application pathways is determined, and the electronic controller selects one of the different load application pathways based on the engine response characteristic. The engine is then transitioned from the current operating state to the requested operating state according to the selected load application pathway. | 12-05-2013 |
20140046538 | System and Method for Efficiently Operating Multiple Flywheels - A flywheel assembly may include first and second flywheels having respective first and second flywheel parasitic load profiles. Operating speeds of the first and second flywheels may be selected based at least in part on the first and second flywheel parasitic loads. The operating speeds may be determined such that an aggregate of the first and second flywheel parasitic loads is minimized, thereby increasing the efficiency of the flywheel assembly. | 02-13-2014 |
20140052359 | System And Method For Controlling Torque Load Of Multiple Engines - A method of controlling torque load of multiple engines according to a torque distribution algorithm includes determining a combined torque output value responsive to actual torque outputs of first and second engines. A desired torque output for the first engine is determined responsive to a first desired contribution portion of the combined torque output value, and a desired torque output for the second engine is determined responsive to a second desired contribution portion of the combined torque output value. A torque error for each of the first and second engines is determined responsive to a difference between the desired torque output for a respective one of the first and second engines and the actual torque output from the respective engine. Operation of each of the first and second engines is controlled responsive to the respective torque error. | 02-20-2014 |
20140077599 | Multiple Hybrid Integration - A power platform for a motorized work device that includes hybrid power sources is disclosed. The hybrid power system may include a hydraulic power source that provides power and stores power, an electric power source that provides power and stores power and a kinetic power source that provides power and stores power. | 03-20-2014 |
20140077610 | SELECTING A HYBRID POWER SOURCE - A method of controlling power in a hybrid power system comprising a plurality of power sources is also disclosed. The state of charge of each power source may be determined where the power source stores and provides power. A current power score for each power source may be determined where the power score is a function of the current state of charge and state of efficiency. If there is power demand, power may be provided from the power source with the highest current power score. | 03-20-2014 |
20140080660 | USING AN INTEGRATED STARTER/GENERATOR TO REPLICATE IMPELLER CLUTCH FUNCTIONALITY - A method utilizing an integrated starter generator as a hybrid power source to an engine in a movable device is also disclosed. The impeller clutch activation decision may be based on load demand, more specifically, whether load demand for the engine is greater than the power from the engine at the current speed of the engine. | 03-20-2014 |
20140121868 | Prediction Control Strategy for Hybrid Machinery - A computing system may provide guidance to a vehicle with hybrid power systems on how to efficiently engage the hybrid systems and the primary power source on a given plan. As a result, additional efficiency may be obtained. | 05-01-2014 |
20140171265 | Hybrid Engine Assembly and Method - A hybrid engine assembly may include an engine having a crankshaft, a supplemental shaft mechanically coupled to the crankshaft, a flywheel energy storage assembly, and an auxiliary device. A flywheel clutch may selectively couple the flywheel assembly to the crankshaft. The assembly may be selectively operated in an engine restart mode by directly coupling the flywheel energy storage assembly to the crankshaft prior to starting the engine, and in an auxiliary power mode by directly coupling the flywheel energy storage assembly to the auxiliary device. | 06-19-2014 |
20150057119 | Cost Configurable Hystat Drive System - A cost configurable drive system for machines having dual/tandem axle drive systems employs a split hystat power system. The system performance can be easily adjusted by the removal or installation of a planetary gear set and a clutch box. In this way, the system is configurable with components removed or substituted to allow for a less capable but lower cost offering, while allowing for very simple upgrade to a fully capable system. | 02-26-2015 |
20150063968 | FLYWHEEL EXCAVATOR - A hybrid construction machine is provided. The machine includes a prime mover, at least one fluid pump, at least one fluid actuator, a swing motor, a first flywheel, and a second flywheel. The prime mover drives the at least one fluid pump. The fluid pump provides pressurized fluid to drive the at least one fluid actuator. The returning fluid from the at least one fluid actuator can be used to drive a swing motor, which in turn drives a swing structure. Further, the second flywheel is also coupled with the prime mover. The second flywheel can be configured to store the energy when the prime mover is driven by the at least one fluid pump. The at least one fluid pump is driven by the return fluid from the at least one fluid actuator. | 03-05-2015 |
Patent application number | Description | Published |
20090054426 | TREATMENT OF CENTRAL NERVOUS SYSTEM DISORDERS - A method for treating a patient suffering from disorders and deficits of the central nervous system associated with diabetes, associated with aging and neurodegeneration, comprising attention deficit disorder in general, attention deficit hyperactivity disorder (ADHD), Alzheimer's disease (AD), mild cognitive impairment, senile dementia, AIDS dementia, neurodegeneration, depression, and schizophrenia, comprising administering to a patient in need of such treatment an effective amount of a selective inhibitor of the 11-β-hydroxysteroid dehydrogenase Type 1 enzyme activity. | 02-26-2009 |
20100152179 | TREATMENT OF CENTRAL NERVOUS SYSTEM DISORDERS - A method for treating a patient suffering from disorders and deficits of the central nervous system associated with diabetes, associated with aging and neurodegeneration, comprising attention deficit disorder in general, attention deficit hyperactivity disorder (ADHD), Alzheimer's disease (AD), mild cognitive impairment, senile dementia, AIDS dementia, neurodegeneration, depression, and schizophrenia, comprising administering to a patient in need of such treatment an effective amount of a selective inhibitor of the 11-β-hydroxysteroid dehydrogenase Type 1 enzyme activity. | 06-17-2010 |
20130059829 | TREATMENT OF CENTRAL NERVOUS SYSTEM DISORDERS - A method for treating a patient suffering from disorders and deficits of the central nervous system associated with diabetes, associated with aging and neurodegeneration, comprising attention deficit disorder in general, attention deficit hyperactivity disorder (ADHD), Alzheimer's disease (AD), mild cognitive impairment, senile dementia, AIDS dementia, neurodegeneration, depression, and schizophrenia, comprising administering to a patient in need of such treatment an effective amount of a selective inhibitor of the 11-β-hydroxysteroid dehydrogenase Type 1 enzyme activity. | 03-07-2013 |
Patent application number | Description | Published |
20090131434 | Inhibitors of the 11-beta-hydroxysteroid dehydrogenase Type 1 enzyme - The present invention relates to compounds which are inhibitors of the 11-beta-hydroxysteroid dehydrogenase Type 1 enzyme. The present invention further relates to the use of inhibitors of 11-beta-hydroxysteroid dehydrogenase Type 1 enzyme for the treatment of non-insulin dependent type 2 diabetes, insulin resistance, obesity, lipid disorders, metabolic syndrome and other diseases and conditions that are mediated by excessive glucocorticoid action. | 05-21-2009 |
20090176783 | INHIBITORS OF THE 11-BETA-HYDROXYSTEROID DEHYDROGENASE TYPE 1 ENZYME - The present invention relates to inhibitors of the 11-beta-hydroxysteroid dehydrogenase Type 1 enzyme and their use in treatment of non-insulin dependent type 2 diabetes, insulin resistance, obesity, lipid disorders, metabolic syndrome, central nervous system disorders, and diseases and conditions that are related to excessive glucocorticoids. | 07-09-2009 |
20090192141 | METHODS OF USE OF INHIBITORS OF THE 11-BETA-HYDROXYSTEROID DEHYDROGENASE TYPE 1 ENZYME - The present invention relates to inhibitors of 11-beta-hydroxysteroid dehydrogenase Type 1 enzyme and their use in treatment of non-insulin dependent type 2 diabetes, insulin resistance, obesity, lipid disorders, metabolic syndrome, central nervous system disorders, and diseases and conditions that are related to excessive glucocorticoids. | 07-30-2009 |
20090192198 | INHIBITORS OF THE 11-BETA-HYDROXYSTEROID DEHYDROGENASE TYPE 1 ENZYME - The present invention relates to inhibitors of the 11-beta-hydroxysteroid dehydrogenase Type 1 enzyme and their use in treatment of non-insulin dependent type 2 diabetes, insulin resistance, obesity, lipid disorders, metabolic syndrome, central nervous system disorders, and diseases and conditions that are related to excessive glucocorticoids. | 07-30-2009 |
20110159005 | 11-BETA-HYDROXYSTEROID DEHYDROGENASE TYPE 1 (11BETA-HSD1) INHIBITORS AND USES THEREOF - A method for treating a patient suffering from inflammation, chronic inflammation, pain, rheumatoid arthritis (RA), osteoarthritis and osteoporosis, comprising administering an effective amount of a selective inhibitor of the 11-β-hydroxysteroid dehydrogenase Type 1 enzyme. | 06-30-2011 |
20120289512 | Inhibitors of the 11-beta-hydroxysteroid dehydrogenase Type 1 enzyme - The present invention relates to inhibitors of the 11-beta-hydroxysteroid dehydrogenase Type 1 enzyme and their use in treatment of non-insulin dependent type 2 diabetes, insulin resistance, obesity, lipid disorders, metabolic syndrome, central nervous system disorders, and diseases and conditions that are related to excessive glucocorticoids. | 11-15-2012 |
20130045978 | INHIBITORS OF THE 11-BETA-HYDROXYSTEROID DEHYDROGENASE TYPE 1 ENZYME - The present invention relates to inhibitors of the 11-beta-hydroxysteroid dehydrogenase Type 1 enzyme and their use in treatment of non-insulin dependent type 2 diabetes, insulin resistance, obesity, lipid disorders, metabolic syndrome, central nervous system disorders, and diseases and conditions that are related to excessive glucocorticoids. | 02-21-2013 |
20130338169 | METHODS OF USE OF INHIBITORS OF THE 11-BETA-HYDROXYSTEROID DEHYDROGENASE TYPE 1 ENZYME - The present invention relates to inhibitors of 11-beta-hydroxysteroid dehydrogenase Type 1 enzyme and their use in treatment of non-insulin dependent type 2 diabetes, insulin resistance, obesity, lipid disorders, metabolic syndrome, central nervous system disorders, and diseases and conditions that are related to excessive glucocorticoids. | 12-19-2013 |
20150065508 | INHIBITORS OF THE 11-BETA-HYDROXYSTEROID DEHYDROGENASE TYPE 1 ENZYME - The present invention relates to inhibitors of the 11-beta-hydroxysteroid dehydrogenase Type 1 enzyme and their use in treatment of non-insulin dependent type 2 diabetes, insulin resistance, obesity, lipid disorders, metabolic syndrome, central nervous system disorders, and diseases and conditions that are related to excessive glucocorticoids. | 03-05-2015 |