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| Number | Title | Issue Date |
| 8186147 | Catalyst deterioration-determination device and method and engine control unit A catalyst deterioration-determining device capable of properly performing deterioration determination, while compensating for differences in output characteristics of oxygen concentration parameter sensors disposed upstream and downstream of the catalyst, respectiv... | 05/29/2012 |
| 8186151 | Method to monitor HC-SCR catalyst NOx reduction performance for lean exhaust applications A method for initiating a regeneration mode in selective catalytic reduction device utilizing hydrocarbons as a reductant includes monitoring a temperature within the aftertreatment system, monitoring a fuel dosing rate to the selective catalytic reduction device, m... | 05/29/2012 |
| 8186148 | Exhaust gas purifying method and purifier An exhaust gas purification system performing regeneration control in a rich condition by using control of an intake system for reducing the quantity of intake air together with control of a fuel system for increasing fuel injection amount into a cylinder. Timing fo... | 05/29/2012 |
| 8186320 | Device for camshaft adjustment in an internal combustion engine The invention relates to a device for camshaft adjustment in an internal combustion engine, having a lifting profile element which is provided in a rotationally fixed manner on an axially movable mounted camshaft and which provides a control groove, and having a con... | 05/29/2012 |
| 8186149 | Method for controlling NOreduction system A NOx reduction system comprises NOx treatment catalyst and air-fuel ratio control switch for changing the air-fuel ratio of an exhaust gas to a lean or rich state. The NOx treatment catalyst comprises at least a first catalyst layer... | 05/29/2012 |
| 8186146 | After-treatment component detection system An after-treatment component detection system may include an exhaust system configured to include an after-treatment component configured to remove one or more constituents of the exhaust gases. The detection system may include an upstream temperature sensor configu... | 05/29/2012 |
| 8186161 | System and method for controlling an expansion system A control system includes a temperature sensor communicatively coupled to an exit of an expander of an expansion system and configured to detect temperature of the working fluid flowing through the exit of the expander. A pressure sensor is communicatively coupled t... | 05/29/2012 |
| 8181448 | System for controlling urea injection quantity of vehicle and method thereof A system for controlling urea injection quantity of a vehicle, may include an SCR device, the SCR device purifying NOx, a pump configured to supply the SCR device with a urea solution of a urea tank through a urea supply line, a dosing injector disposed on the exhau... | 05/22/2012 |
| 8181632 | Supercharger A supercharger includes a housing, and a turbine shaft supported in a center hole in the housing through rolling bearings. Lubricating oil for the rolling bearings exists only within the housing. A cooling water jacket is provided within a body portion of the housin... | 05/22/2012 |
| 8181615 | Lash adjuster for swing arm type valve gear The object is to provide a lash adjuster that can be easily and repeatedly mounted on a swing arm type valve gear, having an adjusting screw that can be repeatedly held in a pushed-in state with a general-purpose turning tool such as a wrench. A serrated inte... | 05/22/2012 |
| 8181451 | Method of controlling the operation of a selective catalytic reduction plant A method of controlling the feeding of a reducing agent, such as urea or ammonia, to a selective catalytic reduction reactor, which is operative for removing NOx from a process gas of a process plant, comprising the steps of estimating a present value of at least on... | 05/22/2012 |
| 8181462 | Turbocharger with two-stage compressor, including a twin-wheel parallel-flow first stage A single-shaft exhaust gas-driven turbocharger includes two parallel-flow first-stage centrifugal compressors in series with a single second-stage centrifugal compressor, and a one-stage turbine arranged to drive both the first- and second-stage centrifugal compress... | 05/22/2012 |
| 8181450 | Apparatus, system, and method for reducing NOemissions on an SCR catalyst using ammonia storage and slip control Various embodiments of an apparatus, system, and method are disclosed for reducing NOx emissions using ammonia storage on an SCR catalyst. For example, according to one representative embodiment, an apparatus for reducing NOx emissions in an en... | 05/22/2012 |
| 8181446 | Exhaust emission purification apparatus for engine A reduction catalyst is disposed in an exhaust passage of an engine. A reducing agent added to the exhaust gas is urged to react with NOx in the exhaust gas, catalyzed by the reduction catalyst. A member for distributing the exhaust gas to which the reducing agent h... | 05/22/2012 |
| 8181463 | Direct heating organic Rankine cycle The present invention provides an organic Rankine cycle power system, which comprises means for superheating vaporized organic motive fluid, an organic turbine module coupled to a generator, and a first pipe through which superheated organic motive fluid is supplied... | 05/22/2012 |
| 8181447 | Exhaust gas purification device An ECU corrects a fuel addition interval, based on an amount of change between an exhaust gas temperature at present and a basic exhaust gas temperature obtained when a basic addition interval is set, to reduce the fuel addition interval with an increase in the amou... | 05/22/2012 |
| 8181453 | Exhaust Venturi apparatus, system, and method An exhaust Venturi apparatus, system, and method includes an elongate housing for passage of exhaust gases, a Venturi mechanism disposed on the housing, the Venturi mechanism configured to create a low-pressure zone in the exhaust gases within the housing, and an ap... | 05/22/2012 |
| 8176732 | Exhaust aftertreatment system An apparatus for treating engine exhaust gas includes comprising an exhaust conduit for leading exhaust gases from an engine to an outlet, a particulate filter connected in the exhaust conduit to receive exhaust gas, a heat source connected in the exhaust conduit up... | 05/15/2012 |
| 8176730 | Exhaust gas purification device of internal combustion engine An SCR catalyst is provided in an exhaust pipe of an engine and a urea solution addition valve is provided upstream of the SCR catalyst in the exhaust pipe. An ECU calculates ammonia adsorption quantity of the SCR catalyst and controls urea solution addition quantit... | 05/15/2012 |
| 8176731 | Exhaust gas aftertreatment system Exhaust gas aftertreatment system for internal combustion engines operated with a lean mixture, wherein nitrogen oxides are reduced by an SCR catalyst, and particulates are removed by a particle separator or filter. A thermolysis catalyst is located near the engine ... | 05/15/2012 |
| 8176724 | Hybrid Brayton cycle with solid fuel firing This invention provides a method of converting heat energy to a more usable form using an externally-heated Brayton cycle. Atmospheric air is used with water injection in a thermodynamic cycle that includes compression (1), evaporative cooling (34), re... | 05/15/2012 |
| 8176727 | Internal combustion engine control apparatus and control method of internal combustion engine The internal combustion engine control apparatus of the invention starts gradually delaying an ignition timing θ for catalyst warm-up, immediately after a start of an internal combustion engine. When the ignition timing θ is delayed to or below a preset reference ... | 05/15/2012 |
| 8176726 | Method for introducing a reagent medium into an exhaust gas conduit of an internal combustion engine, and apparatus for carrying out the method A method for introducing a reagent medium into an exhaust gas conduit of an internal combustion engine, and an apparatus for carrying out the method. Provision is made for a diagnosis of the pressure sensor. In at least one first time interval in which a steady pres... | 05/15/2012 |
| 8171729 | Mechanical output work generating apparatus incorporating buoyancy inducing components A mechanical output generating assembly including housing having a fluid filled interior and defining a passageway through which travels a buoyant article. A reload mechanism is secured to the housing for successively introducing a plurality of buoyant article into ... | 05/08/2012 |
| 8171733 | Systems and methods involving combined cycle plants A system comprises a first heat recovery steam generator (HRSG) operative to receive steam from a source of steam and output water to the source of steam, a second HRSG operative to receive steam from the source of steam and output water to the source of steam, a fi... | 05/08/2012 |
| 8171903 | Intermediate lock pin type variable valve timing unit for vehicle and continuously variable valve timing device using the same An intermediate lock pin (ILP) ILP type variable valve timing unit may include an ILP type stator having at least one chamber formed therein, a rotor accommodated in the chamber to rotate relatively to the ILP type stator, and a lock maintaining portion provided in ... | 05/08/2012 |
| 8171725 | Method of controlling exhaust gas purification system, and exhaust gas purification system In an exhaust gas temperature raising control for recovering purification ability of an exhaust gas purification device of an internal combustion engine, the exhaust gas temperature is efficiently raised to a target level without producing white smoke. In recovery c... | 05/08/2012 |
| 8171726 | Software, methods and systems including soot loading metrics One embodiment is a method including a unique soot loading metric. The method includes treating exhaust with a soot filter, sensing information including a pressure differential of the soot filter, a temperature of the soot filter, an ambient pressure, an air flow, ... | 05/08/2012 |
| 8171724 | Vehicle-based strategy for removing urea deposits from an SCR catalyst A method is provided for controlling regeneration of an SCR catalyst. The method includes coordinating the regeneration duration and temperature (e.g., longer/shorter regenerations and/or lower/higher temperatures) to the urea deposit loading. In this way, improved ... | 05/08/2012 |
| 8166759 | Exhaust heat recovery apparatus An exhaust heat recovery apparatus includes a reciprocating internal combustion engine in which a piston reciprocates in a cylinder to generate motive power; and a Stirling engine that recovers the thermal energy of the exhaust gas discharged from the internal combu... | 05/01/2012 |
| 8166750 | Exhaust system An exhaust gas system for purifying exhaust gases of an internal combustion engine, particularly a diesel engine in a motor vehicle, conducts the exhaust gas in a specific flow direction. A catalytic converter, particularly for converting hydrocarbons and carbon mon... | 05/01/2012 |
| 8166751 | Particulate filter A filter includes a housing including an inlet and an outlet, and the housing includes a first section and a second section. The filter also includes a plurality of parallel channels defined by a plurality of porous walls within the first and second sections of the ... | 05/01/2012 |
| 8166934 | Device for the combined locking and rotation angle limitation of a camshaft adjuster A locking and rotation angle device for locking and setting maximum rotational adjustability of a drive part fixed to the crankshaft and a driven part fixed to the camshaft of a camshaft adjuster. The driven part is pivotably adjusted to the drive part, which has a ... | 05/01/2012 |
| 8166749 | Exhaust treatment diagnostic system and method A method and system for monitoring operation of an exhaust treatment system of a diesel engine includes a dosing system for injecting an injection fluid and a temperature sensor generating temperature signals corresponding to exhaust temperatures. A control module d... | 05/01/2012 |
| 8161735 | Clogging determining device for reducing agent passage and clogging determining method for reducing agent passage There are provided a clogging determining device for a reducing agent passage and a clogging determining method for a reducing agent passage, which can accurately detect clogging and estimate a clogged place when clogging occurs in any place of a supply line or a re... | 04/24/2012 |
| 8161734 | Exhaust gas purification device An exhaust gas purification device includes an exhaust pipe defining an exhaust passage, a first SOX adsorption portion having a first SOX adsorption material provided in the exhaust passage, a second SOX adsorption portion having a ... | 04/24/2012 |
| 8161737 | Apparatus for and method of purifying exhaust gas An exhaust gas pressure P, exhaust gas temperatures TU and TD on upstream and downstream of a DPF, a rotation speed Ne, a load Q, and an intake flow rate F as various operating conditions are read, and an amount of PM generated for short time Î... | 04/24/2012 |
| 8161729 | Exhaust purification system for internal combustion engine and control method of the exhaust purification system An exhaust purification system for an internal combustion engine has a hydrogen concentration sensor (2) disposed upstream of a catalytic converter (1) in the engine exhaust system to detect a hydrogen concentration in the exhaust gas. An optimum combu... | 04/24/2012 |
| 8161730 | Apparatus, system, and method for reducing NOemissions on an SCR catalyst Various embodiments of an apparatus, system, and method are disclosed for reducing NOx emissions on an SCR catalyst. For example, according to one representative embodiment, an apparatus for reducing NOx emissions in an engine exhaust includes ... | 04/24/2012 |
| 8161731 | Selective catalytic reduction using controlled catalytic deactivation An exhaust treatment control system includes a controller configured to determine a value representative of a NO2 concentration associated with an exhaust gas upstream of a selective catalytic reduction (SCR) catalyst, and determine a value representative... | 04/24/2012 |
