|| List of recent Exhaust Gas-related patents
|Exhaust treatment system implementing coordinated locomotive control|
An exhaust treatment system may be associated with a plurality of locomotives in a consist. A plurality of individual controls may each be associated with a separate locomotive, and each of the individual controls may be configured to receive signals indicative of power plant operating parameters and exhaust gas parameters for the associated separate locomotive.
|Exhaust gas purification catalyst and method for producing it|
The purpose of the present invention is to provide an exhaust gas purification catalyst which can decrease a nox reduction temperature and comprises rhodium and gold. An exhaust gas purification catalyst which carries two-element microparticles each comprising rhodium and gold, said catalyst being characterized in that the rhodium and the gold are phase-separated from each other and the content ratio of the rhodium to the gold (i.e., rhodium:gold) is (30-99.9 at.
|Fuel cell module|
A fuel cell module includes a fuel cell stack, a reformer for reforming a mixed gas of a raw fuel and water vapor, an evaporator for supplying water vapor to the reformer, and a heat exchanger for raising the temperature of the oxygen-containing gas by heat exchange with a combustion gas, and an exhaust gas combustor and a start-up combustor for producing the combustion gas. The fuel cell module includes a first thermoelectric converter and a second thermoelectric converter for performing thermoelectric conversion based on a temperature difference between the combustion gas and the oxygen-containing gas..
|Exhaust gas treatment device|
A mounting mat for an exhaust gas treatment device includes a blend of inorganic fibers and organic nanofibrillated fibers. An exhaust gas treatment device includes a housing and a fragile structure mounted within the housing by the mounting mat that is disposed in a gap between the housing and the fragile catalyst support structure.
|Leaching of minerals and sequestration of co2|
A method for leaching of minerals and sequestration of co2 is disclosed, wherein the method comprises forming a rock pile; injecting exhaust gas containing co2 in the lower part of the rock pile; spraying leaching liquid on top of the rock pile; collecting enriched leaching liquid from a lower part of the rock pile; precipitating mineral carbonates from the enriched leaching liquid, or further extracting dissolved elements or compounds.. .
|Exhaust gas expansion tank and ozone generator system applying the same|
The present invention relates to an exhaust gas expansion tank and an ozone generator system applying the same. The exhaust gas expansion tank includes a tank body and an automatic exhaust valve, and is provided at the top thereof with a gas outlet conduit, the lower end of the gas outlet conduit extending into the tank body and being at a distance from the bottom of the tank body, the automatic exhaust valve fixedly mounted on the upper end of the gas outlet conduit, and the tank body having a first water port and a second water port.
|Catalyzed particulate filter|
A filter is configured for efficient combustion of particulates accumulated on a catalyst layer 7 in both a rapid combustion range and a slow combustion range. The catalyst layer 7 on an exhaust gas passage wall of a filter 1 includes a mixture of a rh-doped ce-containing composite oxide particle material loaded with pt and a composite particle material loaded with pt.
|Purge and cooling air for an exhaust section of a gas turbine assembly|
A turbine exhaust casing having an outer casing, an inner casing, an annular exhaust gas path defined between outer and inner flow path walls, and a turbine exhaust casing cavity located radially outward and radially inward from the gas path. A plurality of structural struts support the inner casing to the outer casing, and a fairing surrounds each of the struts in an area extending between the outer and inner flow path walls.
|Multiple turbocharger control|
A turbocharger system comprises: a gas input for receiving exhaust gases from an engine; a first turbocharger comprising a first compressor driven by a first turbine, arranged to be driven by received exhaust gases and providing a compressed air output defining a boost pressure a second turbocharger, arranged to be driven by exhaust gases passing through the first turbocharger or exhaust gases received at the gas input and being coupled to an electrical generator operative to provide electrical power, the first turbine not being coupled to an electrical generator; and a controller. A diversion mechanism may be configured to affect the flow of exhaust gases between the gas input and the first turbocharger.
|Exhaust system mounting structure for vehicle|
An exhaust port formed on one side portion of an engine body along the vehicle width direction, the exhaust port connected to an exhaust muffler arranged in an extending manner in the vehicle width direction along a rear edge of the vehicle body frame by way of an exhaust pipe passage means that introduces an exhaust gas from the exhaust port. The exhaust pipe passage means is arranged in an extending manner in the longitudinal direction of the vehicle while having a bent portion bent toward the center in the vehicle width direction from one side of the engine body in the vehicle width direction behind the engine body, as viewed in a plan view..
|Methods and systems for humidity and pcv flow detection via an exhaust gas sensor|
Methods and systems are provided for estimating a pcv flow to an engine based on the output of an exhaust gas oxygen sensor. During dfso conditions, a reference voltage of the sensor is modulated initially with an intake throttle open and then with the intake throttle closed.
|Low-pressure egr control during compressor bypass valve operation|
A turbocharged engine system including a low-pressure exhaust gas recirculation (egr) system and an intake oxygen sensor is described, along with methods for its operation. The system includes a compressor bypass valve arranged in a passage bypassing a turbocharger compressor, and an egr valve arranged in an egr system which may be adjusted to adjust an amount of exhaust gas recirculated to the engine intake.
|Liquid injection for scavenging|
Methods are provided for controlling an engine. One method may include boosting engine intake air to a cylinder; and injecting an amount of a scavenging fluid into the cylinder based on an amount of cylinder residual exhaust gas.
|Systems and methods for dedicated exhaust gas recirculation and control|
Systems and methods for exhaust gas recirculation are provided. The system includes a dedicated exhaust gas recirculation loop for recirculating exhaust gas flow from at least one dedicated cylinder of an engine into an intake system prior to combustion.
|Methods and systems for humidity detection via an exhaust gas sensor|
Various methods and system are described for determining ambient humidity via an exhaust gas sensor disposed in an exhaust system of a variable displacement engine. A reference voltage of a sensor coupled to an inactive engine bank is modulated between a first and second voltage to estimate ambient humidity.
|Sensor device and method of locking sensor device components|
The present invention refers to a sensor device and associated method of locking sensor device components. In some aspects of the invention, a housing assembly comprises a housing case for an exhaust gas temperature probe sensor device that can be used to lock one or more traversing studs and form an environmental seal using a plurality of insulators and a fastener locked onto the elongated body of each of the studs.
|Solar thermal electric power generation system|
A solar thermal electric power generation system using heating medium that undergoes phase change between liquid phase and vapor phase, including a fresnel type heat collectors for heating the heating medium by solar thermal energy, a gas turbine generating device for generating electric power while discharging exhaust gas, a heating device including a first channel through which the heating medium flows and a second channel which is located near the first channel and through which the exhaust gas from the gas turbine generating device flows, a vapor-liquid separating device for separating the heating medium having been heated by the heating device into vapor phase and liquid phase, and a turbine generating device driven by the heating medium in vapor phase separated by the vapor-liquid separating device. The heating device heats the heating medium in the first channel by the exhaust gas in the second channel..
|Reciprocating exhaust mechanism for energy recuperation and gas recirculation|
The reciprocating piston of an exhaust pressure wave charger for a combustion engine has an integrated hydraulic piston and an air piston transferring exhaust gas energy into mechanical power and provides exhaust gas for the combustion chamber. The fluid communication between hydraulic piston and hydraulic circuit is controlled by valves to extract the exhaust energy during the expansion stroke and advance the charger piston back into top end position.
|Waste heat recovery system for controlling egr outlet temperature|
An engine system and various methods for controlling the outlet temperature of an egr stream before entering an engine intake system are disclosed. In a system and the various methods, an exhaust gas recirculation (egr) valve is positioned within an egr passage fluidly connecting an engine exhaust stream and an engine intake stream, while a waste heat recovery (whr) system is used to recover heat from the egr stream.
|Mixing device for an exhaust system of a vehicle|
A mixing device for an exhaust system of a vehicle includes an inlet pipe, through which exhaust gas can enter a mixing chamber of the mixing device, and an outlet pipe for the exhaust gas to leave the mixing chamber. The inlet pipe and the outlet pipe form an angle.
|Hydrocarbon delivery apparatus|
An apparatus for controlling hydrocarbon delivery in an exhaust gas processing system of an engine that includes a heat generating device and a dpf, comprising a fuel injector and a control manifold, which has a pressure chamber holding compressed air for separating hydrocarbon from exhaust gas, and is fluidly connected to the fuel injector, a fuel control solenoid valve for controlling hydrocarbon supply, a pressure sensor, and a volume changing device, which provides a linear relationship between its volume change and pressure change in the control manifold. With the volume changing device, a deterioration factor value indicative of performance change of the hydrocarbon delivery device can be calculated for compensating temperature control, calculating the hydrocarbon conversion efficiencies of the heat generating device and the dpf in the exhaust gas processing system, detecting failures and mal-functions in the exhaust gas processing system and the engine..
|Exhaust gas purification device for internal combustion engine|
The invention relates to an exhaust control device of an engine (10) comprising a catalyst (45) in an exhaust passage (40). In this invention, the active element transforms as a solid solution in the carrier when a catalyst temperature is higher than or equal to a predetermined solid solution temperature and an atmosphere in the catalyst is an oxidation atmosphere and the active element precipitates from the carrier when the catalyst temperature is higher than or equal to a predetermined precipitation temperature and the atmosphere in the catalyst is a reduction atmosphere.
|Control device for internal combustion engine with turbo supercharger|
An object of the present invention is to control a supercharge pressure in such a manner as not to interfere with warming-up of an exhaust gas purifying catalyst, in an internal combustion engine with a turbo supercharger. To this end, a control device for an internal combustion engine with a turbo supercharger provided by the present invention makes a determined value of a target supercharge pressure with respect to a same target intake pressure smaller when a request to warm up the exhaust gas purifying catalyst is present, as compared with when the request is absent.
|Exhaust gas treatment device, method for processing exhaust gas, and motor vehicle|
The invention relates to an exhaust-gas treatment device for processing exhaust gas from a combustion aggregate, especially a diesel engine. Moreover, the present invention relates to a method for processing exhaust gas from a combustion aggregate by means of selective catalytic reaction, and it also relates to a motor vehicle in which the method according to the invention is implemented or which has the exhaust-gas treatment device according to the invention.
|Methods and systems for humidity detection via an exhaust gas sensor|
Various methods and system are described for determining ambient humidity via an exhaust gas sensor disposed in an exhaust system of an engine. In one example, a reference voltage of the sensor is modulated between a first and second voltage during non-fueling conditions of the engine.
|Method for controlling a heat recovery device in an internal combustion engine|
A method for controlling a heat recovery device in an internal combustion engine, in particular, for a motor vehicle. The heat recovery device is provided with a circuit for a working medium having an evaporator of an expansion machine that is arranged in an exhaust gas flow path of the internal combustion engine, a condensor, an expansion tank, and a feed pump.
|Method for removing contaminants from exhaust gases|
A method for removing contaminants from the effluent from metal pickling operations by oxidizing the contaminants in the effluent, passing the oxidized effluent to a first scrubber thereby removing mixed acid vapors and some nitrogen oxides and passing these scrubbed gases to a second scrubbing system while injecting ozone into a duct between the first and the second scrubbing systems thereby to oxidize nitrogen oxides to higher oxides and scrubbing the oxidized nitrogen oxides gas stream in the second scrubbing system.. .
|Method for determining a quality of a reducing agent solution containing ammonia used to reduce nitrite oxide|
A determination of a quality of a reducing agent solution containing ammonia used to reduce nitrogen oxides involves actuating a metering unit that delivers metered quantities of reducing agent solution into an engine's discharged exhaust gas and determining an efficiency value that is at least correlated with the efficiency of the scr catalytic converter and comparing the efficiency value to a predefinable limit value. If an efficiency value not corresponding to proper functioning of the scr exhaust emission control system is identified by the comparison, a switch is made to a diagnostic mode in a second method step.
|Method and apparatus for zero emission combined heat and power|
An emissions control system and method of controlling emissions reduces contaminants in exhaust gases. The emissions control system may be a combined power and heat system which may include an organic rankine cycle drive for producing electricity.
|Construction machine with heat management system|
A construction machine according to the disclosure includes a tank for receiving an additive provided for the treatment of exhaust gases of the construction machine, and the additive has a decomposition temperature. The construction machine furthermore comprises at least one connecting line which is configured to conduct the additive away from the tank and/or to the tank.
|Exhaust gas purification apparatus for an internal combustion engine|
A reduction in the accuracy of a failure determination of a filter due to a reduction in the detection accuracy of a pm sensor is suppressed. In order to achieve this, provision is made for a filter, an nox selective reduction catalyst at the downstream side of the filter, a supply device for supplying a reducing agent to the nox selective reduction catalyst, a pm sensor for detecting an amount of particulate matter in an exhaust gas at the downstream side of the nox selective reduction catalyst, and a supply decrease part that makes an amount of supply of the reducing agent smaller in cases where at least one of the following conditions is satisfied than in cases where any of the conditions is not satisfied, wherein the conditions include: a condition in which the temperature of the nox selective reduction catalyst is equal to or less than a threshold value; a condition in which the temperature of the exhaust gas is equal to or less than a threshold value; a condition in which the flow rate of the exhaust gas is equal to or larger than a threshold value; and a condition in which the amount of adsorption of the reducing agent in the nox selective reduction catalyst is equal to or larger than a threshold value..
|Method of recovering energy from an electric induction furnace exhaust gas in the gasification of feed fuel to exhaust gas|
A method of recovering energy from an electric induction furnace exhaust gas in the gasification of feed fuel to exhaust gas. Melt of an electrically conductive material, which is disposed within electric induction furnace, is pressurized while substantially sealing the electric induction furnace to enable the build-up of a superatmospheric pressure in said furnace.
|Integrated vehicle structure and power-plant exhaust|
A frame is disclosed for a vehicle having a vehicle body, a vehicle suspension, and a power-plant configured to generate torque and an exhaust gas stream. The frame includes a tubular frame rail in fluid communication with the power-plant, wherein the rail is defined by a fully-closed cross-section that provides a fluid passage.
|Devices and methods for exhaust gas recirculation operation of an engine|
An engine is provided that includes an exhaust gas recirculation (egr) conduit in fluidic communication with a first exhaust valve in a cylinder and an intake system, an exhaust conduit in fluidic communication with a second exhaust valve in the cylinder and an emission control device. During operation with the first valve active and the second valve deactivated, a fixed egr level can be provided.
|Ignition and knock tolerance in internal combustion engine by controlling egr composition|
A method for improving ignition of a spark ignited internal combustion engine by controlling the composition of recirculated exhaust gas. It is assumed that the engine has a spark ignition system and an exhaust gas recirculation (egr) loop such that at least one of the combustion cylinders is an egr cylinder that generates an egr stream carried by the egr loop.
|Method for operating an exhaust gas recirculation system|
A method is provided for operating an exhaust gas recirculation (egr) system of a thermal energy source, the egr system includes, but is not limited to an egr circuit and an egr cooler, the egr cooler connected in a heat exchanging relationship with an egr coolant circuit equipped with an egr coolant pump. The method includes, but is not limited to monitoring a parameter (tegrcool) representative of a temperature of the coolant in the egr coolant circuit, operating the egr coolant pump on the basis of the parameter (tegrcool) and of a target value thereof (tegrtgt)..
|Supercharged internal combustion engine with twin-flow turbine and method for operating an internal combustion engine of said type|
A supercharged internal combustion engine may include a twin-flow turbine with variable vane geometry. One example method to operate the device permits optimized operation of the internal combustion engine at low exhaust gas flow rates..
|Air engine with rotatable intake-exhaust mechanism|
An air engine includes a cylinder, a piston, a gas supply and an intake-exhaust mechanism. The gas supply supplies a compressed gas to move the piston reciprocating in the cylinder.
|Method for diagnosing a low pressure exhaust gas recirculation system of an internal combustion engine and device for carrying out the method|
A method and device for diagnosing a low pressure exhaust gas recirculation system (lpegrs) of an internal combustion engine having an intake area for supplying fresh air which includes in succession in the flow direction a first section having a low pressure in which an air mass flow sensor is situated, a compressor and a second section having a high pressure, the engine exhaust area including a second section having a low exhaust gas pressure, and the lpegrs which has an adjustable lpegr valve recirculating at least a portion of the exhaust gas in the second section of the exhaust area to the first section of the intake area. The fresh air mass flow taken in is measured by the air mass flow sensor, the total mass flow flowing through the compressor being ascertained, the lpegr mass flow being ascertained from the difference between the total mass flow and the fresh air mass flow taken in, an estimated value being calculated for the lpegr mass flow, the difference between the ascertained lpegr mass flow and the estimated value being formed, and an error signal being output for a deviation.
|Method for measuring amount of particulate matter accumulated in an exhaust gas purification filter|
A measurement method capable of accurately evaluating the trapped amount of particulate matter (pm) accumulated in a diesel particulate filter (dpf) is provided. The method for measuring the amount of accumulated particulate matter comprises propagating ultrasonic waves generated by a transmitter 3 provided directly to the dpf or outside a container and insulation material 6 having a property that propagates ultrasonic waves, measuring the amount of pm accumulated in the dpf 2 using a receiver 4, the dpf being composed of porous ceramic and disposed at an intermediate point in the exhaust pipe 1 of a diesel engine, and determining the amount of accumulated pm on the basis of the results..
|System and method for protecting components in a gas turbine engine with exhaust gas recirculation|
A system includes a gas turbine engine that includes a turbine section having one or more turbine stages between an upstream end and a downstream end, an exhaust section disposed downstream from the downstream end of the turbine section, and a fluid supply system coupled to the exhaust section. The fluid supply system is configured to route an inert gas to the exhaust section..
|Reductant aqueous solution mixing device and exhaust aftertreatment device provided with the same|
A mixing device includes: an elbow pipe attached to an outlet pipe of a filter device, the elbow pipe changing a flow direction of an exhaust gas flowing from the filter device; a straight pipe connected to a downstream side of the elbow pipe, the straight pipe extending in a direction intersecting an axial line of the outlet pipe; an injector attached to the elbow pipe and injecting a reductant aqueous solution inside the elbow pipe toward the straight pipe; and a mixing pipe disposed in the elbow pipe to serve as a cover for the reductant aqueous solution, the mixing pipe being provided with openings on a circumferential wall thereof. A plurality of large openings are provided on a circumferential wall of the mixing pipe near the injector and a plurality of small openings are provided on a circumferential wall of the mixing pipe near the straight pipe..
|Reductant aqueous solution mixing device and exhaust aftertreatment device provided with the same|
A mixing device includes: an elbow pipe attached to an outlet pipe of a filter device, the elbow pipe changing a flow direction of an exhaust gas flowing from the filter device; a straight pipe connected to a downstream side of the elbow pipe, the straight pipe extending in a direction intersecting an axial line of the outlet pipe; an injector attached to the elbow pipe and injecting a reductant aqueous solution inside the elbow pipe toward the straight pipe; and a mixing pipe disposed in the elbow pipe to serve as a cover for the reductant aqueous solution, the mixing pipe being provided with openings on a circumferential wall thereof. A cutout is provided at a fixing portion of the mixing pipe with the elbow pipe at a position for allowing the exhaust gas entering through an inlet of the elbow pipe to flow toward the injection nozzle..
|Fuel cell system having a pump and related method|
A portable fuel cell system and related method are disclosed. The system includes a fuel cell having an anode port through which passes an anode gas, a cathode port through which passes a cathode gas, and an exhaust port through which passes an exhaust gas.
|Fuel cell system|
A fuel cell system includes a fuel cell module for generating electrical energy by electrochemical reactions of a fuel gas and an oxygen-containing gas, and a condenser for condensing water vapor in an exhaust gas discharged from the fuel cell module by heat exchange between the exhaust gas and a coolant to collect the condensed water and supplying the collected condensed water to the fuel cell module. The condenser includes an air cooling condensing mechanism using the oxygen-containing gas as the coolant, and a water cooling condensing mechanism using the hot water stored in the hot water storage unit as the coolant.
|Reductant decomposition system|
Described herein are various embodiments of a reductant decomposition system. According to one representative embodiment, the reductant decomposition system includes an exhaust gas chamber including an inlet and outlet.
|Exhaust gas oxidation catalyst|
An exhaust gas oxidation catalyst characterised as an exhaust gas oxidation catalyst comprising a catalyst substrate, wherein a plurality of exhaust gas channels has been formed, and a catalyst layer formed on the surface of the exhaust gas channels in the catalyst substrate; wherein a catalyst layer consisting of a bottom catalyst layer, a top catalyst layer exposed within the exhaust gas channels, and an intermediate catalyst layer located between the bottom catalyst layer and top catalyst layer, is provided so as to cover not less than 25% of the exhaust gas channel surface, and wherein the bottom catalyst layer contains at least an oxygen-occluding agent as catalyst component but does not contain a hydrocarbon adsorbent, the intermediate catalyst layer contains at least catalyst metal, supported on a metal oxide support, and a hydrocarbon adsorbent as catalyst components, and the top catalyst layer contains at least an oxygen-occluding agent and a hydrocarbon adsorbent as catalyst components.. .
|Anti-freezing device for egr device|
In an anti-freezing device for an egr device 14 with an egr cooler 12 being provided midway of an egr pipe 11 for extraction and recirculation of a part of exhaust gas from an exhaust side to an intake side, a downstream egr pipe 11b downstream of the egr cooler 12 being connected through a flange section 15 to an egr valve 13, the flange section 15 is provided with a warm-water passage 16 to and from which engine warm water 22 is guided through warm-water conduits 23 and 24.. .
|Egr rate control for internal combustion engine with dual exhaust-ported cylinders|
A method of using exhaust gas recirculation (egr) in an internal combustion engine. At least two of the cylinders are “dual exhaust-ported cylinders” having two exhaust ports.
|Heat recovery system for a gas turbine engine|
A heat recovery system for an engine having an exhaust nozzle whereby exhaust gas is expelled, the heat recovery system comprising a heat exchanger disposed within the exhaust nozzle, heat exchanger containing a fluid, heat exchanger is further positioned to utilize heat energy from exhaust gas to vaporize fluid a turboexpander fluidly connected to heat exchanger and located downstream from heat exchanger, turboexpander further operatively connected to a utility a condenser fluidly connected to turboexpander and located downstream of turboexpander, and a pump fluidly connected to condenser and located between condenser and heat exchanger, pump is configured to direct fluid from condenser to heat exchanger; whereby operation of engine will generate heat energy in exhaust nozzle, vaporize fluid, and create a pressurized vapor which will drive turboexpander.. .
|Supercharger control device for internal combustion engine|
A turbocharging system of an internal combustion engine includes compressor of a turbocharger disposed on an intake passage of an internal combustion engine and a turbine disposed on an exhaust passage of the internal combustion engine. A bypass passage connects an upstream side and a downstream side of the turbine in the exhaust passage together.
|Method and system for exhaust gas recirculation|
Methods and systems are provided for an engine including a first turbocharger having a first compressor and a second turbocharger having a second compressor. An egr differential between the first compressor and the second compressor may be increased under a condensation condition, and decreased under a surge condition.
|Exhuast gas heating apparatus|
A heating apparatus and method for use in an exhaust gas system is provided that includes a container body defining an exhaust gas pathway, a heater flange component attached to an exterior of the container body, and a heater assembly disposed in the exhaust gas pathway and secured to the heater flange component. The heater assembly includes at least one heater element, a bracket assembly that secures the at least one heater element in the container body, and a conformal bracket for securing the at least one heater element to the bracket assembly..
|Exhaust gas purification apparatus for an internal combustion engine|
In cases where at the upstream side of an nox selective reduction catalyst there is provided another catalyst, sulfur poisoning of both the catalysts is recovered in an appropriate manner. To this end, provision is made for an nh3 generation catalyst arranged in an exhaust passage of an internal combustion engine for generating nh3, the nox selective reduction catalyst arranged in the exhaust passage at a location downstream of the nh3 generation catalyst for reducing nox in a selective manner, an upstream side recovery unit to recover sulfur poisoning of the nh3 generation catalyst, and a downstream side recovery unit to recover sulfur poisoning of the nox selective reduction catalyst after the sulfur poisoning of the nh3 generation catalyst has been recovered by the upstream side recovery unit..
|Air-fuel ratio control apparatus|
When an internal combustion engine (1) is determined to be in a low-temperature start state (an affirmative determination is made in s120), an air-fuel ratio control apparatus (10) controls the temperature of a downstream detection element (17) of a downstream gas sensor (15) to a downstream target temperature by driving a downstream heater (16) of the downstream gas sensor (15) (s170), and feedback-controls the air-fuel ratio of exhaust gas based on the output of the downstream gas sensor (15) (s190). When the engine (1) is determined not to be in the low-temperature start state (a negative determination is made in s120), the air-fuel ratio control apparatus (10) drives an upstream heater (25) of an upstream gas sensor (22) and feedback-controls the air-fuel ratio of exhaust gas based on the output of the upstream gas sensor (22) (s270)..
|Complex oxide, method for producing same, and exhaust gas purification catalyst|
Provided are: a complex oxide that exhibits high redox ability even at low temperatures, has excellent heat resistance, and stably retains these characteristics even on repeated oxidation and reduction at high temperature; a method for producing the same; and an exhaust gas purification catalyst. The inventive complex oxide contains ce; rare earth metal element other than ce, including y; al and/or zr; and si; such that the ce, and said other elements other than ce and si, are present in a mass ratio of 85:15-99:1, calculated as oxides; and has a characteristic such that when it is subjected to temperature-programmed reduction (tpr) measurement in a 10% hydrogen-90% argon atmosphere at from 50° c.
|Bus bar case, electric storage apparatus, and vehicle|
A bus bar case includes a bus bar holding portion unifying and holding a plurality of bus bars for electrically connecting adjacent cells of a plurality of cells arranged in a predetermined direction, each of the cells having a gas discharge valve, and a hose holding portion provided integrally with the bus bar holding portion and holding an exhaust gas hose for directing gas discharged through the gas discharge valve in the predetermined direction, the gas discharge valve being provided for each of the plurality of cells, wherein the hose holding portion has a recess portion forming a space for passing the exhaust gas hose between the hose holding portion and an upper face of the cell when the plurality of bus bars held by the bus bar holding portion are fixed to the plurality of cells.. .
|Catalysed substrate monolith|
A catalysed substrate monolith 12 for use in treating exhaust gas emitted from a lean-burn internal combustion engine, which catalysed substrate monolith 12 comprising a first washcoat coating 16 and a second washcoat coating 18, wherein the first washcoat coating comprises a catalyst composition comprising at least one platinum group metal (pgm) and at least one support material for the at least one pgm, wherein at least one pgm in the first washcoat coating is liable to volatilise when the first washcoat coating is exposed to relatively extreme conditions including relatively high temperatures, wherein the second washcoat coating comprises at least one metal oxide for trapping volatilised pgm and wherein the second washcoat coating is oriented to contact exhaust gas that has contacted the first washcoat coating.. .
|Filter for filtering particulate matter from exhaust gas emitted from a compression ignition engine|
A filter for filtering particulate matter (pm) from exhaust gas emitted from a compression ignition engine, which filter comprising a porous substrate having inlet surfaces and outlet surfaces, wherein the inlet surfaces are separated from the outlet surfaces by a porous structure containing pores of a first mean pore size, wherein the porous substrate is coated with a wash coat comprising a plurality of solid particles comprising a molecular sieve promoted with at least one metal wherein the porous structure of the wash coated porous substrate contains pores of a second mean pore size, and wherein the second mean pore size is less than the first mean pore size.. .
|Catalytic converter of internal combustion engine and apparatus for purifying exhaust gas provided with the same|
A catalytic converter of an internal combustion engine may include: at least one inlet channel having an end through which an exhaust gas is flowed into and the other end which is blocked; at least one outlet channel having an end which is blocked and the other end through which the exhaust gas is discharged; and a wall defining a boundary between neighboring inlet channel and outlet channel, and adapted to flow the exhaust gas from the inlet channel to the outlet channel, wherein the wall includes a single-layered portion formed at an end portion and having a three-way catalyst layer, and a multi-layered portion being the portion other than the single-layered portion and having a three-way catalyst layer, a hydrocarbon trap layer and an insulating layer. An apparatus of purifying an exhaust gas is also provided..
|Exhaust gas purification apparatus for an internal combustion engine|
In cases where an nox selective reduction catalyst is provided at a location downstream of an nox storage reduction catalyst, nox purification performance in an exhaust gas purification apparatus as a whole is maintained, irrespective of deterioration of the nox storage reduction catalyst. For this purpose, the reduction of nox in the nox storage reduction catalyst is promoted more when the degree of deterioration of the nox storage reduction catalyst or the nox selective reduction catalyst is low than when it is high, and the reduction of nox in the nox selective reduction catalyst is promoted more when the degree of deterioration of the nox storage reduction catalyst or the nox selective reduction catalyst is high than when it is low..
|Guide blade arrangement for an exhaust gas turbocharger|
A guide blade arrangement for an exhaust gas turbocharger may include guide blades rotatably mounted on a guide blade carrier ring via a respective blade bearing pin. A cover disc may be spaced from the guide blade carrier ring, wherein the guide blades may be arranged between the cover disc and the guide blade carrier ring.
In an exhaust system of a vehicle including at least: an engine; a transmission arranged on a rear side in a vehicle traveling direction relative to the engine; an exhaust pipe connected to the engine and discharging exhaust gas; and an exhaust muffler connected to a downstream end part of the exhaust pipe, the exhaust muffler is elastically supported on the transmission by an exhaust muffler support member arranged and located between the transmission and the exhaust muffler.. .
|Non-perpendicular connections between coke oven uptakes and a hot common tunnel, and associated systems and methods|
The present technology is generally directed to non-perpendicular connections between coke oven uptakes and a hot common tunnel, and associated systems and methods. In some embodiments, a coking system includes a coke oven and an uptake duct in fluid communication with the coke oven.
A dump truck includes a cab being located behind an engine compartment in which an engine is enclosed, a body being located behind the cab, and an exhaust aftertreatment device being adapted to purify an exhaust gas from the engine. The exhaust aftertreatment device includes a dpf device being adapted to capture a particulate matter in the exhaust gas and being located on a top of a fender provided alongside the cab, an scr device being adapted to purify a nitrogen oxide in the exhaust gas and being located between the cab and the body, and a communication pipe through which the dpf device and the scr device are in communication with each other..
|Oil sand production without co2 emission|
A plant for generation of steam for oil sand recovery from carbonaceous fuel with capture of co2 from the exhaust gas, comprising heat coils (105, 105′, 105″) arranged in a combustion chamber (101) to cool the combustion gases in the combustion chamber to produce steam and superheated steam in the heat coils, steam withdrawal lines (133, 136, 145) for withdrawing steam from the heat coils, an exhaust gas line (106) for withdrawal of exhaust gas from the combustion chamber (101), where the combustion chamber operates at a pressure of 5 to 15 bara, and one or more heat exchanger(s) (107, 108) are provided for cooling of the combustion gas in line (106), a contact device (113) where the cooled combustion gas is brought in countercurrent flow with a lean co2 absorbent to give a rich absorbent and a co2 depleted flue gas, withdrawal lines (114, 115) for withdrawal of rich absorbent and co2 depleted flue gas, respectively, from the contact device, the line (115) for withdrawal of co2 depleted flue gas being connected to the heat exchangers (107, 108) for heating of the co2 depleted flue gas, and where the rich absorbent is regenerated an absorbent regenerator (116), the regenerated lean absorbent is recycled to the absorber (113), and a gas withdrawal line (121) connected to the absorber for withdrawal of co2 and steam from the regenerator (116), is described. .
|Alloys for a heat exchanger tube having an inner protective cladding and brazed disrupter|
The invention relates to an assembly of two brazing sheets the first one of which consists of a 3xxx alloy clad on one surface with a 1xxx alloy, the second one of which consists of an aa3xxx alloy clad on both surfaces thereof with a 4xxx alloy, which are assembled together by brazing so as to form a disrupted channel for the flow of exhaust gases, in particular for an engine vehicle.. .
|Environmental control method and apparatus for a vehicle|
A heat transfer apparatus and system for transferring heat for use onboard a vehicle includes a conductor arranged to conduct fluid transferring heat from a vehicle engine to a heat exchanger to heat a second fluid to heat and/or dry utility compartments of the vehicle. The heat transfer system includes a tube arranged to conduct fluid so that heat is transferred from the exhaust gas to the fluid..
|Exhaust stack pipe cover|
A cover for the upper end of an exhaust stack pipe comprises a curved cover pipe of greater diameter than the stack pipe. The curved cover pipe has a proximal end to fit over the end of the stack pipe and a distal end from which exhaust gases are discharged.
|Accumulated type thermoelectric generator for vehicle|
In one embodiment, a thermoelectric generator for a vehicle is provided. In particular, a thermoelectric generator is provided that includes a thermoelectric generating unit which is mounted between an exhaust gas inlet pipe through which an exhaust gas flows within and an exhaust gas outlet pipe through which the exhaust gas is discharged.
|Accumulated type thermoelectric generator for vehicle|
An accumulated type thermoelectric generator that includes an assembly of a plurality of unit modules in which a first thermoelectric element and a second thermoelectric element are installed, is mounted between an exhaust gas inlet pipe and an exhaust gas outlet pipe. A coolant inlet is formed within an upper portion of an outermost unit module in a direction of the exhaust gas outlet pipe, and a coolant outlet is formed within a lower portion of an outermost unit module in a direction of the exhaust gas inlet pipe.
|Exhaust gas recirculation valve device for vehicle|
An exhaust gas recirculation valve device for a vehicle includes a valve housing having an exhaust gas inlet port and an exhaust gas outlet port, a flap valve rotatably mounted on the valve housing to open and close the exhaust gas outlet port, and a valve shaft fitted to penetrate the flap valve and coupled to the flap valve by electron beam welding to rotate integrally with the flap valve.. .
|Method for operating a reciprocating piston internal combustion engine with internal exhaust gas energy recuperation and reciprocating piston internal combustion engine|
In a method for operating a reciprocating-piston internal combustion engine having internal exhaust gas energy recuperation, a cylinder head recuperator is heated up during an exhaust cycle by hot exhaust gas flowing through the cylinder head recuperator prior to being exhausted from the cylinder via an exhaust valve. During an intake cycle, fresh charge flows into the power chamber of the cylinder by passing around a cylinder head recuperator.
|Coolant circuit for an internal combustion engine and method of operating a coolant circuit|
The invention relates to a coolant circuit (1) for an internal combustion engine (2), wherein the coolant can circulate between the internal combustion engine (2) and a heat sink (3) depending upon a switchable valve (4), which is closed in the initial state during a cold start of the internal combustion engine (2), wherein the valve (4) can be switched to an at least partially opened sequential state depending on an exhaust gas mass flow emitted by the internal combustion engine (2), and wherein a control device (6) determines an integral of the exhaust gas mass flow with respect to the time and switches the valve (4) into the sequential state when an integral threshold value is exceeded.. .
|Method for optimizing the burnout of exhaust gases of an incinerator|
A method for optimizing the burnout of exhaust gases of an incinerator includes introducing a solid material via an inlet into a combustion chamber defining a primary combustion space, combusting the solid material in the primary combustion space, in the form of a combustion bed conveyed over a combustion grate, with admission of primary air, discharging the combusted solid material from the primary combustion space via an outlet arranged opposite the inlet in the conveying direction, combusting the primary combustion gases released during the combustion of the solid material, with admission of secondary air, in a secondary combustion chamber defining a secondary combustion space and arranged downstream of the combustion chamber in the flow direction of the combustion gases, and homogenizing the exhaust gases containing the primary combustion gases in a mixing zone by means of a fluid introduced via a nozzle before entry into the secondary combustion space.. .
|Particle monitoring method and particle monitoring apparatus|
A particle monitoring method of monitoring particles included in an exhaust gas from a depressurized processing vessel 12 includes counting the particles included in the exhaust gas from the depressurized processing vessel 12 while cleaning an inside of the depressurized processing vessel 12 by a particle monitor 18; creating a histogram showing a time and the number of particles from a result of the counting of the particles; extracting, from the histogram, a first feature amount indicating a correlation between a mode of the number of the particles and a particle counting period; and extracting, from the histogram, a second feature amount indicating a correlation between the particle counting period and a distribution tendency of the particles during the particle counting period.. .
|System and method for a turbine combustor|
A system includes a turbine combustor that includes a head end portion having a head end chamber, a combustion portion having a combustion chamber disposed downstream from the head end chamber, a cap disposed between the head end chamber and the combustion chamber, and a flow distributor configured to distribute an exhaust flow circumferentially around the head end chamber. The flow distributor includes at least one exhaust gas flow path..
|System and method for reheat in gas turbine with exhaust gas recirculation|
A system includes a turbine having an exhaust flow path through a plurality of turbine stages, wherein the plurality of turbine stages is driven by combustion products flowing through the exhaust flow path, at least one main combustor disposed upstream from the turbine, wherein the at least one main combustor is configured to combust a fuel with a first oxidant and an exhaust gas to generate the combustion products, at least one reheat combustor disposed in or between turbine stages of the turbine, wherein the at least one reheat combustor is configured to reheat the combustion products by adding a second oxidant to react with unburnt fuel in the combustion products, and an exhaust gas compressor, wherein the exhaust gas compressor is configured to compress and route the exhaust gas from the turbine to the at least one main combustor along an exhaust recirculation path.. .
|Stoichiometric combustion control for gas turbine system with exhaust gas recirculation|
In one embodiment, a system includes at least one sensor configured to communicate a signal representative of a gas turbine operations. The system further includes a controller communicatively coupled to the sensor.
|Device and method for regulating a spark-ignition gas engine|
A protective device for a spark-ignition gas engine is provided, which engine has a throttle valve for controlling a gas/air mixture and has an exhaust-gas turbocharger with a turbine that is associated with a throttle member for exhaust gas. A detection unit is configured to detect an actual differential pressure across the throttle valve, and a control unit is configured to change the position of the throttle member based on the actual differential pressure.
A turbocharger system includes a compressor that is connected with a turbine operated by an exhaust gas by a rotary shaft and compresses and supplies external gas to a combustion chamber of an engine, an intercooler and a throttle valve disposed in an intake line connecting the compressor with the combustion chamber of the engine, a branch line connecting an intake line between the compressor and the intercooler with an intake line between the intercooler and the throttle valve, a shutoff valve disposed in the branch line to selectively open/close the branch line, and an engine control unit controlling the operation of the shutoff valve. .
|Apparatus and catalyst can for exhaust gas of vehicle|
A catalyst can of exhaust gas can include a catalyst embedded substantially in the center of an inner space of the catalyst can, and an inflow space and a discharge space partitioned in an upper part and a lower part of the catalyst can, respectively. The catalyst can also includes an inflow-side partition vertically cutting and dividing the inflow space into a plurality of partial inflow spaces, and an inlet formed for each partial inflow space..
|Urea-water addition control unit|
A control portion sets a total injection amount of a urea water injected from an injector to an exhaust gas, and controls to open or close the injector based on the injection amount. An injection-amount correcting portion estimates an injection characteristic of the injector from an injection-amount difference between the total injection amount and a decreased amount of the urea water in a tank, and corrects a command value of a control signal outputted to the injector based on the injection characteristic.
|Using resistance equivalent to estimate heater temperature of an exhaust gas after-treatment component|
A temperature of a heated component is determined for control and monitoring. The heater driver, upon receipt of a turn-on signal, generates a current within a component of an electronic catalyst or exhaust after-treatment component, wherein the current through the component generates an appropriate loss to generate heat for facilitation of an exhaust after-treatment process.
|Apparatus for upgrading coal and method of using same|
An apparatus for upgrading coal comprising a baffle tower, inlet and exhaust plenums, and one or more cooling augers. The baffle tower comprises a plurality of alternating rows of inverted v-shaped inlet and outlet baffles.