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Diesel patents



      
           
This page is updated frequently with new Diesel-related patent applications. Subscribe to the Diesel RSS feed to automatically get the update: related Diesel RSS feeds. RSS updates for this page: Diesel RSS RSS


Particulate filter overheat protection

Particulate filter overheat protection

Catalyst for a hydrodgenation dewaxing process and method for manufacturing same

Diesel engine

Date/App# patent app List of recent Diesel-related patents
12/18/14
20140369911
 Diesel exhaust fluid formulation that reduces urea deposits in exhaust systems patent thumbnailnew patent Diesel exhaust fluid formulation that reduces urea deposits in exhaust systems
A diesel exhaust fluid (def) that includes urea, demineralized water and between 5 and 300 ppm formaldehyde, acetaldehyde, propianaldehyde, or butyraldehyde, and this formulation of def include less than 0.6 ppm of phosphates, calcium, iron, aluminum, magnesium, sodium, and potassium, the formulation also includes less than 0.3 ppm copper, zinc, chromium, and nickel. This formulation of def reduces the accumulation of urea deposit in the diesel exhaust system relative to other formulation of specification grade def that include less formaldehyde..
12/18/14
20140369910
 Diesel exhaust fluid formulation that reduces urea deposits in exhaust systems patent thumbnailnew patent Diesel exhaust fluid formulation that reduces urea deposits in exhaust systems
A diesel exhaust fluid (def) that includes urea, demineralized water and between 5 and 300 ppm formaldehyde, this formulation of def include less than 0.6 ppm of phosphates, calcium, iron, aluminum, magnesium, sodium, and potassium, the formulation also includes less than 0.3 ppm copper, zinc, chromium, and nickel. This formulation of def reduces the accumulation of urea deposit in the diesel exhaust system relative to other formulation of specification grade def that include less formaldehyde..
12/18/14
20140367310
 Catalyst for a hydrodgenation dewaxing process and method for manufacturing same patent thumbnailnew patent Catalyst for a hydrodgenation dewaxing process and method for manufacturing same
The present invention relates to a bifunctional catalyst for a hydrodewaxing process with improved isomerization selectivity, and to a method for manufacturing the same, and more particularly to a bifunctional catalyst and to a method for manufacturing same, which is characterized in that eu-2 zeolite with a controlled degree of phase transformation is used as a catalyst support having an acid site. The eu-2 zeolite, the degree of phase transformation of which is controlled, includes, by controlling synthesis parameters of eu-2, predetermined amounts of materials that are phase-transformed from eu-2 crystals such as cristobalite and quartz.
12/18/14
20140366722
 Particulate filter overheat protection patent thumbnailnew patent Particulate filter overheat protection
A thermal fuse is installed in the exhaust flow path in or from a diesel particulate filter (dpf) of a combustion engine. At a temperature corresponding to overheating, or imminent overheating, of the dpf, the thermal fuse is activated to generate a signal initiating steps to avoid overheating of the dpf, such as shutting down of the engine..
12/18/14
20140366669
 Transmission plate patent thumbnailnew patent Transmission plate
A transmission plate is provided for use on both a diesel transmission casting and a gasoline transmission casting. The plate includes a continuous perimeter edge without a perimeter oil flow notch to inhibit firm shifting of a torque converter connected to the transmission.
12/18/14
20140366529
 Diesel engine patent thumbnailnew patent Diesel engine
First and second turbochargers for supercharging a first cylinder group which continues or stops an operation by a valve stopping mechanism for reduced cylinders, and a second cylinder group which stops or continues the operation by the valve stopping mechanism for reduced cylinders, respectively, and a third turbocharger in which air from the first and second turbochargers is supplied to the first and second cylinder groups via separate independent intake passages, to supercharge the first and second turbochargers. If a reduced-cylinder operation system provided with this valve stopping mechanism is provided in addition to the turbo-charging system, a drop in a supercharging amount during a reduced-cylinder operation is prevented, a sufficient air amount is supplied into operating cylinders, deterioration of combustion in the operating cylinders and deterioration of a state of an exhaust gas are prevented, and fuel efficiency is improved..
12/18/14
20140366507
 Diesel engine with in-cylinder soot and nox control using water or aqueous injection patent thumbnailnew patent Diesel engine with in-cylinder soot and nox control using water or aqueous injection
A method of controlling emissions in the exhaust gas of a diesel engine, the engine having one or more combustion cylinders that each generates a combustion jet having a soot region. A water injector is operable to inject a spray of water or aqueous solution into the combustion jet, specifically toward the area of highest soot concentration.
12/18/14
20140366351
 Injector sleeve installation tool and removal tool kit patent thumbnailnew patent Injector sleeve installation tool and removal tool kit
A tool for inserting and fastening a replacement injector sleeve in the cylinder head of a diesel engine. The tool is part of an injector sleeve tool kit which also includes an injector sleeve removal tool.
12/11/14
20140364637
 Process for making esters patent thumbnailProcess for making esters
The invention relates to a process for making esters, in particular biodiesel, using heterogeneous catalysts. The invention provides a process for making biodiesel, in particular fame, which process is versatile and robust.
12/11/14
20140363357
 Systems and techniques for nozzle cooling of diesel exhaust fluid injection systems patent thumbnailSystems and techniques for nozzle cooling of diesel exhaust fluid injection systems
A system is provided for delivery of diesel exhaust fluid or other reductant to an injector for release into an engine exhaust aftertreatment system. The injector includes a nozzle assembly that thermally shields the diesel exhaust fluid from the exhaust gas temperatures.
12/11/14
20140360474
Method and system for providing fuel to internal combustion engines
The present invention relates to a system and method for providing fuel to internal combustion engines including fuel activation prior to injection. The method carried out by the system comprises dissolving a mixture of gasses providing improved fuel dispersing after fuel injection into a combustion chamber.
12/11/14
20140360169
Post thermal control device for use with a nox slip catalyst
A system and method for treating diesel exhaust in a diesel exhaust system, and specifically for improved nox conversion efficiency during particulate filter regeneration, is disclosed. The exhaust gas treatment system includes a diesel oxidation catalyst (doc); a diesel particulate filter (dpf) fluidly coupled to the doc; a mixer fluidly coupled to the doc and dpf, a thermal control device (tcd) positioned after the dpf, a nox slip catalyst (nsc), at least one temperature sensor (ts), wherein the thermal control device reduces the temperature of the exhaust gas stream.
12/11/14
20140360168
System and method for sequential injection of reagent to reduce nox from combustion sources
In a large exhaust duct from a lean burn combustion source, such as a boiler, diesel engine or gas turbine, multiple injectors can be used to inject a reagent, such as an aqueous solution of urea or ammonia, into the exhaust for use in the catalytic reduction of nox in a process known in the art as selective catalytic reduction (scr). When operating at low injection rates, such as during low combustor loads, the injectors are operated individually for short periods of time in a sequential manner..
12/11/14
20140360164
Diesel exhaust treatment systems and methods
Disclosed here are systems and methods including one or more fbcs and one or more suitable aftertreatment devices, including docs, dpfs, and suitable combinations thereof. The systems and methods disclosed may include selecting a suitable fbc for use with a fuel with a specified sulfur content.
12/04/14
20140358405
Internal combustion engine operating on different reactivity fuels
A premixed charge of air and a low reactivity fuel is created in a combustion chamber space by the time at which a piston comes substantially to top dead center at which time a high reactivity fuel is directly injected into a central zone of the combustion chamber space which is bounded partially by a central bowl cavity in the piston head which is itself surrounded by an upright intermediate wall. The high reactivity fuel combusts by conventional diesel combustion and creates a flame front which propagates into an outer zone of the combustion chamber space which is bounded partially by the upright intermediate wall and an outer bowl cavity in the piston head to initiate combustion of the premixed air-fuel charge in the outer zone of the combustion chamber space..
12/04/14
20140356917
Process for producing lipids suitable for biofuels
The present invention provides a cost effective biotechnological process for production of bio-fuels from isolated and characterized microalgae. The algal strains used in the present invention having higher biomass, higher lipid productivity, higher ph and temperature tolerance are selected from the group consisting of chlorella vulgaris ioc-1, chlorella vulgaris ioc-2, chlorella kessleri, botrococcus bruni, dunaliella salina and nannochloris oculat or a combination thereof having 95-100% similarity with 18s ribosomal nucleic acids nucleotide sequences (rdna) given for seq.
12/04/14
20140356266
Catalyzed filter for treating exhaust gas
Provided is a diesel particulate filter capable of removing soot from an exhaust gas while operating at low backpressure, the filter comprising (a) a wall-flow filter substrate having a mean pore size, an inlet side, an outlet side, and a porous interior between the inlet and outlet sides; and (b) a catalyst composition coated from the inlet side of the substrate, wherein the catalyst composition has a d50 particle size distribution, wherein the d50 particle size distribution is less than the mean pore size divided by 4.9, and wherein the outlet side is substantially free of a catalyst coating.. .
12/04/14
20140356265
Catalyzed filter for treating exhaust gas
Provided is a diesel particulate filter capable of removing soot from an exhaust gas while operating at low backpressure, the filter comprising (a) a wall-flow filter substrate having a mean pore size, an inlet side, an outlet side, and a porous interior between the inlet and outlet sides; and (b) a catalyst composition coated from the outlet side of the substrate, wherein the catalyst composition has a d50 particle size distribution, wherein the d50 particle size distribution is greater than or equal to the mean pore size divided by 4.9, and wherein the inlet side is substantially free of a catalyst coating.. .
12/04/14
20140356243
Systems and methods for providing zpgm perovskite catalyst for diesel oxidation applications
Diesel oxidation zpgm catalyst systems using y1-x agxmno3 perovskite are disclosed. The zpgm catalyst system compositions may include y1-x agxmno3perovskite in impregnation component and at least one carrier material oxide in washcoat.
12/04/14
20140353312
Fuel mixing prevention device
A device prevents fuel mixing, for example, a different kind of fuel from being pumped into a gasoline vehicle or a diesel vehicle by mistake. The device can prevent unsuitable fuel from being pumped into a vehicle and can preclude a loss of fuel or a fire due to poor operation of a gas pump by a person who fuels the vehicle, by implementing a new type of mechanism for preventing fuel mixing which includes a lock that is disposed at the fuel-tank door of a vehicle and turned on/off in accordance with the inner diameter of a nozzle and a cap that can close the nozzle when a nozzle for an unsuitable kind of fuel is inserted..
12/04/14
20140353263
Coalescence media for separation of water-hydrocarbon emulsions
A coalescence media for separation of water-hydrocarbon emulsions, the coalescence media comprising an emulsion-contacting sheet formed as a single dry layer from a wet-laid process using a homogenously distributed, wet-laid furnish of (a) a mixture of fibrous components of (a1) at least one type of a first group of cellulose and/or cellulose-based fibers, and (a2) at least one type of a second group of fibers selected from the group consisting of fibrillated fibers and glass microfibers, and (b) at least one non-fibrous component selected from the group consisting of (b1) a dry strength additive, and (b2) a wet strength additive. The fibrous components of the coalescence media constitute at least about 70% of the coalescence media, and includes a pore structure sufficient to coalesce water droplets having a droplet size of <3.5 μm in biodiesel blends or in surfactant stabilized water-hydrocarbon emulsions..
12/04/14
20140353213
Hydroprocessing catalyst composition containing a heterocyclic polar compound, a method of making such a catalyst, and a process of using such catalyst
A composition that comprises a support material having incorporated therein a metal component and impregnated with an additive compound that is selected from the group of heterocyclic, polar compounds of the formula cxhnnyoz; wherein: x is an integer of at least 3; y is either 0, 1, 2, or 3; z is either 0, 1, 2, or 3; and n is the number of hydrogen atoms required to fill the remaining bonds with the carbon atoms of the molecule. The composition includes the support material that is impregnated with the additive compound and is useful in the hydroprocessing of hydrocarbon feedstocks, especially in the denitrogenation and desulfurization of distillate feedstocks to make ultra low sulfur diesel..
12/04/14
20140352285
Internal combustion engine
An internal combustion engine, in particular a large multi-fuel diesel internal combustion engine, and includes an scr catalytic converter that can be bypassed, and at least one control element for switching the flow in an exhaust gas line between a first position where the scr catalytic converter is active and a second position where the scr catalytic converter is bypassed, and at least one flow path bypassing the scr catalytic converter.. .
12/04/14
20140352278
Method and system for selectively enabling and disabling a diagnostic monitor of a selective-catalytic-reduction device
A vehicle that includes an engine, an exhaust system, and a controller, and a method are disclosed herein. The exhaust system includes a passage for directing the exhaust gas stream from the engine through the series of exhaust after-treatment devices, including a selective-catalytic reduction device and a diesel particulate filter (dpf).
12/04/14
20140352203
Novel environmentally-friendly high-energy alcohol-based industrial fuel and preparation method thereof
The industrial fuel comprises the following constituents by weight percent: 65%-70% of methanol, 10%-15% of sugar pressing waste liquid, 5%-8% of rosin water, 1%-3% of oxydol with 27.5% mass concentration, 1.5%-3% of xylene, 1%-3% of phytate, 1.5%-2% of benzotriazole, 3%-5% of acetone, 0.01%-0.05% of ferrocene, 0.1%-0.5% of lavender oil, and 1.5%-2% of rubber swelling inhibitor. The fuel of the invention is a renewable energy, can completely replace the diesel oil, natural gas, liquefied gas, coal and electricity in the industrial pyrolytical combustion field, can obtain the raw materials from various sources at a low cost, is efficient, environmentally-friendly and safe, saves energy, has a stable performance, and can effectively solve the difficult problems of industrial energy shortage and high pollution and cost, thus having significant social and economic benefits..
12/04/14
20140352147
Method of modifying engine oil cooling system
A method of modifying the oil cooling system of a diesel engine includes the steps of removing the original equipment liquid-to-liquid heat exchanger and installing a manifold having a configuration adapted to match the mounting configuration of the oil passages of the original equipment liquid-to-liquid heat exchanger. The manifold has an oil outlet port directed to a remotely mounted oil cooler.
11/27/14
20140350318
Ni/cgo and ni-ru/cgo based pre-reforming catalysts formulation for methane rich gas production from diesel processing for fuel cell applications
In one aspect, the invention provides a catalyst for converting diesel type liquid hydrocarbons to methane rich gas. The catalyst includes a nickel component, a cerium oxide component, and gadolinium oxide component.
11/27/14
20140350292
Synthesis of diesel fuel blendstock from carbohydrates
Carbohydrates as derived from plant biomass can be converted into mono-alcohols, diols, and/or bi-functional alcohols or into carboxylic acid derivatives. By catalytic transesterification of such carbohydrate derivatives, ester-type diesel-fuel blendstock components may be produced.
11/27/14
20140350269
Acetals esters produced from purified glycerin for use and application as emollients, lubricants, plasticizers, solvents, coalescents, humectant, polymerization monomers, additives to biofuels
It refers to a new group of acetal monoesters and diesters which have in its structure the ester function and cyclic ethers that give these products excellent properties as solvency, plasticity in polymers, solubility in polar and nonpolar means, spreadability, wetting, low volatility, non-toxicity and biodegradability. These properties make these products excellent candidates as solvents in formulations of pesticides, agricultural herbicides, for the paint and leather industry in domestic or industrial hygiene formulations; as plasticizers for polymers such as polyvinyl chloride, nitrocellulose, cellulose, acrylics, polyvinyl vinyl and its copolymers; as lubricants in industrial formulations, textile industry; as emollients agents which donate oiliness for the cosmetic industry; as wetting agents that are commonly used, and as biodiesel additives to reduce the freezing point and to improve its combustion..
11/27/14
20140349841
Catalyzed scr filter and emission treatment system
Provided is a catalyst article for simultaneously remediating the nitrogen oxides (nox), particulate matter, and gaseous hydrocarbons present in diesel engine exhaust streams. The catalyst article has a soot filter coated with a material effective in the selective catalytic reduction (scr) of nox by a reductant, e.g., ammonia..
11/27/14
20140349022
Sufrface cleaning and coating method and system
The cleaning formulation and method uses a polysilazane for superior cleaning and to create a protective coating with “easy clean” properties on numerous surface types, including metals, marine paints and gel-coat surfaces; cleaning and guarding them from the effects of all types of accretions, including two of the most pernicious—ice and diesel exhaust soot. The polysilazane is used with a cyclomethicone solvent, preferably pentacyclomethicone and/or hexacyclomethicone.
11/27/14
20140348716
Exhaust gas reduction device for heavy equipment
An apparatus for reducing an exhaust gas for heavy equipment is provided, which can satisfy the intensified diesel engine exhaust gas regulation conditions through further providing of the selective catalytic reduction (scr) device in addition to the diesel particulate filter (dpf), and minimize an influence of vibration due to engine driving through mounting of the diesel particulate filter (dpf) and the selective catalytic reduction (scr) device on the cowl frame. The apparatus for reducing an exhaust gas includes a cowl frame mounted on one side of the main frame that is adjacent to the engine to reduce an influence due to vibration of the engine; a diesel particulate filter (dpf) having one end portion that communicates with the other end portion of the exhaust pipe and is mounted on an upper end portion of the cowl frame, provided with diesel oxidation catalyst (doc) therein, and capturing particulate matters; a mixing pipe having one end portion that communicates with the other end portion of the diesel particulate filter, one side of which communicates with an injection device injecting a reducing agent; and a selective catalytic reduction (scr) device mounted on an upper end portion of the cowl frame to communicate with the other end portion of the mixing pipe to accelerate a reduction reaction between the injected reducing agent and nitrogen oxides (nox) in the exhaust gas..
11/27/14
20140345570
Method of fuel activation and system to deliver it to a diesel engine
A method for activating a diesel fuel by saturating it with air, co2 or any other type of gas and system to deliver it to an internal combustion engine (gas turbine, diesel engine or any hc fuel combustion unit) for combustion. The high pressure pump delivers the fuel from the fuel tank to the top of an absorber through at least one nozzle dispersing it.
11/27/14
20140345546
Coal-to-liquid systems and methods
A coal-to-liquid fuels production process by which carbon dioxide (co2) exhaust by-products are significantly reduced, if not eliminated, through a system comprising the generation of a first hydrogen (h2) product and carbon from coal and generating carbon monoxide (co) by reacting the carbon (c) with co2. A second hydrogen (h2) product is generated through catalyzation of water, methane reformation, electrolysis of water, or other reaction processes.
11/27/14
20140345192
Methods for reducing heavy oil viscosity
A stabilized nano-fe6-iron-crown ether complex is added to a heavy oil to reduce the viscosity of the heavy oil. The complex may be formed by preparing a solution of an iron salt and an oligomer crown compound in dialkylamine or diethylamine.
11/20/14
20140339133
Two stage diesel aromatics saturation process using base metal catalyst
A process that provides for the improvement of the properties of a distillate feedstock that has significant concentrations of nitrogen and polyaromatic compounds. The process includes a first reaction zone that uses a base metal catalyst and is operated under high pressure conditions to provide for the hydrodenitrogenation of organic nitrogen and saturation of polyaromatic compounds contained in the distillate feedstock.
11/20/14
20140339132
Two-stage diesel aromatics saturation process utilizing intermediate stripping and base metal catalyst
A process for making high cetane diesel. The process includes contacting a distillate feedstock in a hydrodenitrogenation and polyaromatics saturation zone and passing the resulting treated effluent to a high pressure stripping zone.
11/20/14
20140338638
Propulsion device and method for operating same using a partially oxidized diesel fuel
A propulsion device for vehicles includes a device for the partial oxidation of fuel, a fuel tank and a diesel internal combustion engine. The device for the partial oxidation of fuel is in fluid connection with the fuel tank and the diesel internal combustion engine, with the result that at least some of the fuel carried in the vehicle is taken for partial oxidation before combustion in the diesel internal combustion engine.
11/20/14
20140338626
Enhanced glow plug control
Methods for controlling a glow plug temperature in a diesel engine in response to one or more past operating conditions related to glow plug aging are described. Thereby, the glow plug life calculator of the present disclosure may be useful for indicating degradation of the glow plug in order to prolong the useful life while increasing glow plug durability.
11/20/14
20140338625
Enhanced glow plug control
Methods for controlling a glow plug temperature in a diesel engine are herein described. In one example, a controller may adjust a first phase voltage coupled to the glow plug in relation to a parameter associated with engine start time, and couple a lower second phase voltage to the glow plug in order to control the cylinder temperature and thereby the engine start time.
11/20/14
20140338434
Adaptive soot mass estimation in a vehicle exhaust after-treatment device
A method of estimating a total amount of soot in a diesel particulate filter includes monitoring a pressure differential across the diesel particulate filter; monitoring an engine speed and an engine load from an engine in fluid communication with the diesel particulate filter; determining a first soot mass estimate from the monitored pressure differential, the first soot mass estimate having an associated confidence indicator based on the monitored engine speed and engine load; determining a second soot mass estimate from the monitored engine speed and engine load; and outputting the first soot mass estimate if the confidence indicator is above a predetermined threshold, and outputting the second soot mass estimate if the confidence indicator is below the predetermined threshold.. .
11/20/14
20140338169
Diesel fuel injector circlip and ferrule ring removing tool
A removal tool includes a staking unit configured to deform a circlip located at a bore of an apparatus when the removal tool is pushed into the bore, and a spring fork unit configured to push a ferrule ring located at the bore when the removal tool is pushed into the bore.. .
11/13/14
20140336901
High-pressure fuel pump protection
A method to protect a high-pressure fuel pump in a diesel-engine system includes enabling the high-pressure fuel pump when fuel pressure in the diesel-engine system is above a threshold, and disabling the high-pressure fuel pump if the fuel pressure is below the threshold. In this manner, the high-pressure fuel pump is protected from premature wear and failure due to inadequate lubrication..
11/13/14
20140336045
Perovskite and mullite-like structure catalysts for diesel oxidation and method of making same
Disclosed here are material formulations of use in the conversion of exhaust gases. A catalyst is formed by using a perovskite structure having the general formula abo3 or a mullite structure having the general formula of ab2o5 where components “a” and “b” may be any suitable non-platinum group metals.
11/13/14
20140335578
Integrated biodiesel process
Methods of using crude glycerol to make fatty acids are provided, as well as integrated methods of converting glycerol waste from biodiesel production into more biodiesel. Bacteria and other microbes engineered to produce free fatty acids from glycerol are also provided..
11/13/14
20140334990
Zpgm diesel oxidation catalyst systems and methods thereof
The present disclosure refers to a plurality of methods employed for production of zpgm diesel oxidation catalyst systems substantially free of pgm, which may include a substrate, a washcoat, and an impregnation layer. Washcoat may include at least one carrier material oxides.
11/13/14
20140334989
Zpgm diesel oxidation catalysts and methods of making and using same
Diesel oxidation zpgm catalyst systems are disclosed. Zpgm catalyst systems may oxidize toxic gases, such as carbon monoxide, hydrocarbons and nitrogen oxides that may be included in exhaust gases.


Popular terms: [SEARCH]

Diesel topics: Exhaust Gas, Downstream, Carboxylic Acid, Carbon Dioxide, Hydrocarbon, Diesel Particulate Filter, Catalytic Reduction, Selective Catalytic Reduction, Internal Combustion Engine, Diesel Oxidation Catalyst, Combustion, Chemical Reaction, Fatty Acid, Oleaginous Yeast, Polysaccharides

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