Patent application number | Description | Published |
20110174266 | METHOD AND SYSTEM FOR CONTROLLING VACUUM - An engine with a two vacuum sources is disclosed. In one example, a valve position is adjusted in when engine load is low and intake manifold pressure is low to arbitrate vacuum between the two vacuum sources. The approach may increase engine operating efficiency during at least some conditions. | 07-21-2011 |
20110203269 | Engine Vacuum System - A vacuum pump onboard a vehicle provides vacuum for a brake booster and to control the electronic vacuum regulation valve (EVRV) valve of a wastegate on a turbocharger. Commands to the EVRV are based on an operating condition of an engine and the vacuum level in the vacuum system. In one example, a vacuum sensor is provided to determine vacuum proximate the EVRV. In another example, the vacuum proximate the EVRV is modeled based on the vacuum at the brake booster, which may be determined by a vacuum sensor coupled to the brake booster. | 08-25-2011 |
20110225967 | TURBOCHARGER CONTROL - Various systems and methods for controlling a turbocharger of an engine via a wastegate are described. In one example, the wastegate is adjusted according to a difference between the boost pressure and the atmospheric pressure. In this manner, the interdependency between controlling the boost pressure and using the boost pressure to actuate the wastegate in a boost-based wastegate configuration may be reduced. | 09-22-2011 |
20110283699 | EXHAUST GAS RECIRCULATION (EGR) SYSTEM - Various systems and methods are described for an exhaust gas recirculation (EGR) system coupled to an engine in a vehicle. One example method comprises, calculating an EGR mass flow from a difference between measurements of clean air mass flow and total mass flow, and correcting for a transient mass flow error. | 11-24-2011 |
20110314807 | TURBOCHARGER CONTROL - Various systems and methods for controlling a turbocharger of an engine via a wastegate are described. In one example, actuation of the wastegate is limited when outside a range, the limits of the range varying with boost pressure, turbine inlet pressure, turbine outlet pressure, and atmospheric pressure. In this manner, a tracking error may be reduced when controlling the boost pressure and using the boost pressure to actuate the wastegate in a boost-based wastegate configuration. | 12-29-2011 |
20120037134 | METHOD AND SYSTEM FOR EXHAUST GAS RECIRCULATION CONTROL - Methods and systems are provided for adjusting an EGR valve and one or more intake throttles responsive to the output of an intake oxygen sensor to provide a desired amount of EGR flow while maintaining engine torque. The adjustments are coordinated to improve distributed control of the EGR valves and intake throttles, and enable EGR flow even when one actuator is limited. | 02-16-2012 |
20120097130 | METHOD AND SYSTEM FOR CONTROLLING VACUUM - An engine with a two vacuum sources is disclosed. In one example, a valve position is adjusted in when engine load is low and intake manifold pressure is low to arbitrate vacuum between the two vacuum sources. The approach may increase engine operating efficiency during at least some conditions. | 04-26-2012 |
20120159933 | MODELING CATALYST EXOTHERM DUE TO BLOWTHROUGH - Modeling catalyst exotherm due to blowthrough is provided. The method of advantageously utilizes catalyst temperature based on an amount of blowthrough air and a combustion air-fuel ratio generating a catalyst exotherm. | 06-28-2012 |
20130111900 | METHOD FOR DETERMINING AND COMPENSATING ENGINE BLOW-THROUGH AIR - A method for determining cylinder blow-through air via engine volumetric efficiency is disclosed. In one example, the method provides a way to adjust cylinder blow-through to promote and control a reaction in an exhaust after treatment device. The approach may simplify cylinder blow-through calculations and improve engine emissions via providing improved control of constituents reaching an exhaust after treatment device. | 05-09-2013 |
20130152584 | METHOD FOR REDUCING SENSITIVITY FOR ENGINE SCAVENGING - A method for correcting a total cylinder air flow during scavenging by way of an oxygen sensor is disclosed. Additionally, cylinder trapped air amount and cylinder scavenging air amount are adjusted based on the corrected total cylinder air flow. The approach may reduce sensitivity between cylinder air flow estimates and fuel supplied for combustion. | 06-20-2013 |
Patent application number | Description | Published |
20140360179 | METHOD AND SYSTEM FOR BINARY FLOW TURBINE CONTROL - Methods and systems are provided for adjusting the opening of a scroll valve of a binary flow turbine. Scroll valve adjustments are used at different engine operating conditions to improve engine performance and boost response. Scroll valve adjustments are coordinated with wastegate and EGR valve adjustments for improved engine control. | 12-11-2014 |
20140360183 | METHOD AND SYSTEM FOR BINARY FLOW TURBINE CONTROL - Methods and systems are provided for adjusting the opening of a scroll valve of a binary flow turbine. Scroll valve adjustments are used at different engine operating conditions to improve engine performance and boost response. Scroll valve adjustments are coordinated with wastegate and EGR valve adjustments for improved engine control. | 12-11-2014 |
20140360184 | METHOD AND SYSTEM FOR BINARY FLOW TURBINE CONTROL - Methods and systems are provided for adjusting the opening of a scroll valve of a binary flow turbine. Scroll valve adjustments are used at different engine operating conditions to improve engine performance and boost response. Scroll valve adjustments are coordinated with wastegate and EGR valve adjustments for improved engine control. | 12-11-2014 |
20150240707 | WASTEGATE VALVE SEAT POSITION DETERMINATION - Various methods for compensating variation in the geometry and position of linkages and valve seats in wastegate assemblies are provided. In one example, a method of operating a wastegate in an internal combustion engine comprises, at engine startup, placing a wastegate valve at a seat, recording a position of the seat and associating the seat position with one or more operating parameters, and modifying a position of a wastegate actuator based on the seat position throughout engine operation. | 08-27-2015 |
20150266357 | METHOD FOR PREVENTING CONDENSATION ON VEHICLE WINDOWS - Methods and systems are described for preventing condensation on a windshield and other windows of a parked vehicle. One method includes following the vehicle shut down, and when a temperature of a windshield is lower than ambient dew point, transferring heat from a powertrain of the vehicle to the windshield via a coolant if a powertrain temperature is higher than the windshield temperature, and transferring heat from ambient air to the windshield via the coolant if the powertrain temperature is lower than the windshield temperature, and ambient temperature is higher than the windshield temperature. | 09-24-2015 |
20150267801 | METHOD FOR PREHEATING A POWERTRAIN - Methods and systems are described for heating a powertrain prior to an engine start. One method includes heating a coolant by circulating the coolant through a radiator and operating an electric radiator fan, and flowing the coolant across the powertrain. The coolant is heated and circulated across the powertrain when a temperature of the powertrain is lower than ambient temperature. | 09-24-2015 |
Patent application number | Description | Published |
20140276708 | Methods and Systems for Treatment of Spasticity - A system for alleviating spasticity of a skeletal muscle having an associated motor nerve. The system may include a needle probe having at least one needle. The at least one needle has a proximal end, a distal end, and a needle lumen therebetween. The needle is configured for insertion proximate to the nerve. A cooling fluid supply lumen can extend distally within the needle lumen to a distal portion of the needle lumen. A cooling fluid source is couplable to the cooling fluid supply lumen to direct cooling fluid flow into the needle lumen. A controller having at least one processor configured to implement a spasticity treatment algorithm for controlling the cooling fluid source so that liquid from the cooling flow vaporizes within the needle lumen to provide a treatment phase to the motor nerve such spasticity of the skeletal muscle is mitigated. | 09-18-2014 |
20140343542 | Methods, Systems, and Devices for Treating Neuromas, Fibromas, Nerve Entrapment, and/or Pain Associated Therewith - A method in which a location is determined on the skin that is proximate to a sensory nerve that is associated with a painful condition. At least one needle of a cryogenic device is inserted into the location on the skin such that the needle is proximate to the sensory nerve. The device is activated such that the at least one needle creates a cooling zone about the sensory nerve, thereby eliminating or reducing severity of the painful condition. | 11-20-2014 |
20140343543 | Cryogenic Enhancement of Joint Function, Alleviation of Joint Stiffness and/or Alleviation of Pain Associated With Osteoarthritis - A method in which a location is determined on the skin that is proximate to a sensory nerve that is associated with a painful condition. At least one needle of a cryogenic device is inserted into the location on the skin such that the needle is proximate to the sensory nerve. The device is activated such that the at least one needle creates a cooling zone about the sensory nerve, thereby eliminating or reducing severity of the painful condition. | 11-20-2014 |
20140343544 | Methods and Systems for Treatment of Occipital Neuralgia - A system for alleviating occipital neuralgia. The system has a needle probe having at least one needle. The at least one needle has a proximal end, a distal end, and a needle lumen therebetween, the needle configured for insertion proximate to a location of the occipital nerve. A cooling fluid supply lumen extends distally within the needle lumen to a distal portion of the needle lumen. A cooling fluid source is coupled to the cooling fluid supply lumen to direct cooling fluid flow into the needle lumen. A controller that has at least one processor configured implements an occipital neuralgia treatment algorithm for controlling the cooling fluid source so that liquid from the cooling flow vaporizes within the needle lumen to provide a treatment phase to location of the occipital nerve such that the occipital neuralgia is mitigated. | 11-20-2014 |
Patent application number | Description | Published |
20150019727 | MANAGING CLIENT ACCESS TO A PLURALITY OF COMPUTING SYSTEMS - Processes and systems are disclosed for leasing a consumer system access to a producer system. The consumer system can communicate with a set of leasing agents to obtain the identity of a number of producer systems capable of providing the consumer system with access to a service. Each leasing agent may provide the consumer system with access to a producer system for a period of time. If the consumer system requires further access to a particular producer system, the consumer system can request renewal of the lease from the leasing agent that provided the initial lease of the producer system to the consumer system. | 01-15-2015 |
20150019732 | PRODUCER SYSTEM PARTITIONING AMONG LEASING AGENT SYSTEMS - Processes and systems are disclosed for partitioning a number of producer systems among a number of leasing agents. A leasing agent can identify a set of available producer systems within an environment and can partition the producer systems among each of the number of leasing agents. The leasing agent can then inform the other leasing agents of the producer systems assigned to each of the leasing agents. As the number of available producer systems change, the partitioning process can be repeated to rebalance the assignment of producer systems among the leasing agents. | 01-15-2015 |
20150370872 | EMBEDDABLE CLOUD ANALYTICS - An analytics module may be embedded into an application developed, published, or used by an entity in addition to the owner of the data under analysis. An access token may be submitted by the analytics module to a provider of hosted services. The access token may correspond to an n-dimensional cube containing data at a level of granularity permitted to the application. The access token may incorporate additional policies controlling access to the corresponding n-dimensional cube. | 12-24-2015 |
20150370881 | DYNAMIC N-DIMENSIONAL CUBES FOR HOSTED ANALYTICS - An online analytical processing system may comprise an n-dimensional cube structured using slice-based partitioning in which each slice comprises one or more hierarchies of data points. A region of a hierarchy may be classified according to computational demands associated with the region. A scaling or replication mechanism may be applied to the region based on the computational demands associated with that region. | 12-24-2015 |
20150370882 | USE OF DEPENDENCY GRAPHS TO DYNAMICALLY UPDATE N-DIMENSIONAL CUBES - An online analytical processing system may comprise an n-dimensional cube structured using slice-based partitioning in which each slice comprises data points corresponding to a set of dimension values fixed across the slice and a set of dimension values allowed to vary. Slices may be partitioned and replicated across computing nodes. Views of the n-dimensional cube may be partially materialized by determining dependencies between slices. A central data dictionary may maintain information about slices and slice dependencies. Dimensions may be added by adding a new slice without requiring immediate recomputation of existing data points. | 12-24-2015 |
20150370883 | DATA INTEREST ESTIMATION FOR N-DIMENSIONAL CUBE COMPUTATIONS - An online analytical processing system may comprise an n-dimensional cube partitioned into slices, in which each slice may represent data points at the intersections of fixed and variable dimensions. Computation of data points within a slice may be deferred. A dependency graph may be initially constructed, in which the dependency graph is utilized in a subsequent computation. Calculation of data points may be prioritized based on information indicative of a chance that the data points will be accessed. | 12-24-2015 |
Patent application number | Description | Published |
20090056917 | NANOSTRUCTURED MICRO HEAT PIPES - A heat pipe comprising a chamber; a wick in the chamber, and a heat sink, which is adjacent to a first portion of the wick. A heat source adjacent to a second portion of the wick, wherein the wick is configured such that a gas condenses at the first portion of the wick and a liquid evaporates at the second portion of the wick. The fluid moves from the first portion of the wick to the second portion of the wick, and wherein the wick comprises nanostructures having a differentially-spaced apart gradient along the length of the wick so as to promote capillary fluid flow therealong. | 03-05-2009 |
20090283751 | NANOTUBES AND DEVICES FABRICATED THEREFROM - Nanofluidic devices incorporating inorganic nanotubes fluidly coupled to channels or nanopores for supplying a fluid containing chemical or biochemical species are described. In one aspect, two channels are fluidly interconnected with a nanotube. Electrodes on opposing sides of the nanotube establish electrical contact with the fluid therein. A bias current is passed between the electrodes through the fluid, and current changes are detected to ascertain the passage of select molecules, such as DNA, through the nanotube. In another aspect, a gate electrode is located proximal the nanotube between the two electrodes thus forming a nanofluidic transistor. The voltage applied to the gate controls the passage of ionic species through the nanotube selected as either or both ionic polarities. In either of these aspects the nanotube can be modified, or functionalized, to control the selectivity of detection or passage. | 11-19-2009 |
20100022680 | Microfluidic Synthesis of Organic Nanoparticles - The present invention provides microfluidic systems and methods for the production of particles (e.g., nanoparticles) for drug delivery. The present invention provides microfluidic devices useful for production of particles by nanoprecipitation. The present invention provides highly homogenous compositions of particles produced by inventive microfluidic devices. | 01-28-2010 |
20120171778 | FUNCTIONALIZATION OF NANOFLUIDIC CHANNELS - A functionalized nanofluidic channel and method for functionalization that provides control over the ionic environment and geometry of the nanofluidic channel with the immobilization of biomolecules on the inner surface of the channel and use of high ionic concentration solutions. In one embodiment, the surface charge of the nanochannel is controlled with the immobilization of a protein such as streptavidin in the nanochannel. In another embodiment, the biomolecules are receptors and changes in nanochannel conductance indicates ligand binding events. The functionalized nanofluidic channel can be easily adapted for use with microchannel arrays. | 07-05-2012 |
20150122735 | MEMBRANE FOR FILTRATING WATER - The present invention relates to a material. In particular, it relates to a membrane for filtering water. More particularly, it relates to a membrane comprising carbon nanotubes and mixed cellulose ester porous membranes for water desalination and purification. Still more particular, the membrane comprising a fibrous substrate and carbon nanotubes formed on a fibrous substrate, wherein the surface of the carbon nanotubes is functionally modified. A microfluidic device comprising such a membrane and a method for filtering water are also disclosed. | 05-07-2015 |
20150265716 | Nanoparticles For Targeted Delivery of Multiple Therapeutic Agents and Methods of Use - Provided herein are compositions that contain a nanoparticle containing a plurality of polymers, wherein at least a fraction of the polymers comprise a hydrophobic polymer, a topoisomerase inhibitor, and a Pt-containing chemotherapeutic agent, where the polymers self-assemble in an aqueous liquid to form the nanoparticle, and where the Pt-containing chemotherapeutic agent and the topoisomerase inhibitor are present within the hydrophobic core of the nanoparticle in a ratio of between about 24:1 to about 1:24. Also provided are methods of reducing the proliferation of a cancer cell and methods of treating cancer in a subject that include the use of these compositions. Also provided are methods of making these nanoparticles. | 09-24-2015 |
Patent application number | Description | Published |
20100176057 | Liquid Filtration Using Pressure Difference Across a Hydrophobic Membrane - Method and devices for filtering liquid are provided that rely on pressure difference to filter liquid. In one embodiment, a device for filtering liquid includes a feed chamber, a permeate chamber, and a porous membrane that is at least partially hydrophobic and has one or more pores configured to be permeable to vapor. A pressure of a liquid substance in the feed chamber is increased such that vapor of the liquid substance is transported from the feed chamber to the permeate chamber. The resistance of flow in a hydrophilic layer of the membrane can be controlled to make the membrane defect-tolerant. In another embodiment, a second porous membrane is further included and the second porous membrane is spaced apart from the first porous membrane. Various methods for filtering liquid are also provided. | 07-15-2010 |
20130270188 | GRAPHENE BASED FILTER - Two-dimensional material based filters, their method of manufacture, and their use are disclosed. The filters may include at least one active layer disposed on a porous substrate. The at least one active layer may include intrinsic and/or intentional formed pores. In some embodiments, the flow resistance of the porous substrate may be selected to limit flow through defects and intrinsic pores in the at least one active layer. | 10-17-2013 |
20130331792 | DEVICE AND USES THEREOF - The present disclosure provides devices and uses thereof. A devices disclosed herein comprises one or more tips, wherein the one or more tips are designed and constructed to initiate penetration by the device; and one or more protrusions in a region adjacent to each tip. In some embodiments, one or more protrusions can be constructed and arranged so that the required penetration force is reduced as compared with that observed for an otherwise identical device lacking the one or more protrusions. Additionally or alternatively, one or more protrusions can be constructed and arranged such that the required pull-out force is increased as compared with that observed for an otherwise identical device lacking the one or more protrusions. | 12-12-2013 |
20150122727 | MITIGATING LEAKS IN MEMBRANES - Two-dimensional material based filters, their method of manufacture, and their use are disclosed. In one embodiment, a membrane may include an active layer including a plurality of defects and a deposited material associated with the plurality of defects may reduce flow therethrough. Additionally, a majority of the active layer may be free from the material. In another embodiment, a membrane may include a porous substrate and an atomic layer deposited material disposed on a surface of the porous substrate. The atomic layer deposited material may be less hydrophilic than the porous substrate and an atomically thin active layer may be disposed on the atomic layer deposited material. | 05-07-2015 |
20150283514 | NANOFLUIDIC SORTING SYSTEM FOR GENE SYNTHESIS AND PCR REACTION PRODUCTS - Devices and methods integrate nanopore and microfluidic technologies for recording molecular characteristics of individual molecules such as, for example, biomolecules. Devices comprise a first substrate comprising a microchannel, a second substrate comprising a microchannel, the second substrate positioned below the first substrate, and a membrane having a thickness of about 0.3 nm to about 1 nm and comprising at least one nanopore, the membrane positioned between the first substrate and the second substrate, wherein a single nanopore of the membrane is constructed and arranged for electrical and fluid communication between the microchannel of the first substrate and the microchannel of the second substrate. To mitigate the effect of errors that occur during de novo DNA synthesis, longer DNA molecules are typically synthesized from shorter oligonucleotides by polymerase construction and amplification (PCA), or by other methods. | 10-08-2015 |