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Diesel patents

      

This page is updated frequently with new Diesel-related patent applications.




 Latching solenoid exhaust gas recirculation valve assembly patent thumbnailLatching solenoid exhaust gas recirculation valve assembly
A valve assembly for an exhaust gas recirculation (egr) system which provides emission control, regulates flow of exhaust gases, and is suitable for gasoline or diesel applications. The egr valve assembly is a latching valve assembly which reduces power consumption (i.e., continuous electric draw) from the battery while the valve is either being held open or closed, and reduces electrical interference inherent with integrated position sensors.
Continental Automotive Systems, Inc.


 Control  internal combustion engine patent thumbnailControl internal combustion engine
An object of the present invention is to cause diesel combustion to occur with reduced smoke in an internal combustion engine using a fuel having a relatively high self-ignition temperature. A control apparatus performs first injection at a first injection time during the compression stroke, causes spray guide combustion to occur, and starts to perform second injection at such a second injection time after the occurrence of the spray guide combustion and before the top dead center of the compression stroke that causes combustion of injected fuel to be started by flame generated by the spray guide combustion, thereby causing self-ignition and diffusion combustion of fuel to occur.
Toyota Jidosha Kabushiki Kaisha


 Diesel engine control device and control method patent thumbnailDiesel engine control device and control method
A direct injection diesel engine is provided with a fuel injection nozzle which is capable of performing a multistage injection. In a middle-or-high load region, in order to reduce soot, an after-injection is performed immediately after a main injection.
Nissan Motor Co., Ltd.


 Systems and methods for injection of bio-diesel into a gas turbine combustor patent thumbnailSystems and methods for injection of bio-diesel into a gas turbine combustor
Certain embodiments may include systems and methods that comprise a first unit controller associated with a first gas turbine and a second unit controller associated with a second gas turbine. A first unit human machine interface is coupled to the first unit controller and is operable to provide first blend information to the first unit controller.
General Electric Company


 Controlling injection of bio-diesel into a gas turbine combustor patent thumbnailControlling injection of bio-diesel into a gas turbine combustor
Certain embodiments may include systems and methods that comprise for injecting biofuel into a gas turbine system. The systems and methods comprise of storing a biofuel in a storage tank, injecting a first blend of biofuel into a first gas turbine, and injecting a second blend of biofuel in a second gas turbine concurrently with the injecting of the first blend into the first gas turbine.
General Electric Company


 Method of managing a selective catalytic reduction system of a motor vehicle patent thumbnailMethod of managing a selective catalytic reduction system of a motor vehicle
A method of managing a selective catalytic reduction system of a motor vehicle. During a first predetermined time period, a plurality of functionality checks of the sensor are performed for identifying if the sensor is able to provide a reliable measurement of the ammonia concentration.
Gm Global Technology Operations Llc


 Marine diesel cylinder lubricant oil compositions patent thumbnailMarine diesel cylinder lubricant oil compositions
Disclosed herein are marine diesel cylinder lubricating oil compositions comprising (a) a major amount of one or more group ii basestocks, and (b) a detergent composition comprising (i) one or more alkaline earth metal salts of an alkyl-substituted hydroxyaromatic carboxylic acid having a total base number (tbn) greater than 250, and (ii) one or more high overbased alkyl aromatic sulfonic acids or salts thereof; wherein the aromatic moiety of the alkyl aromatic sulfonic acids or salts thereof contains no hydroxyl groups; and wherein the marine diesel cylinder lubricating oil composition has a tbn of about 5 to about 120.. .
Chevron Oronite Technology B.v.


 Fuel supplement to reduce harmful emissions patent thumbnailFuel supplement to reduce harmful emissions
The present invention relates to a fuel supplement comprising of selected plant oils mixed in given proportions, which when added to fuels like petrol and diesel can reduce harmful emissions during combustion of fuel. It can significantly decrease the sulphur content in fuels and thus protect the environment from harmful pollutants.
Ssr Pharma Private Limited


 Oxidation catalyst for a diesel engine exhaust patent thumbnailOxidation catalyst for a diesel engine exhaust
An oxidation catalyst is described for treating an exhaust gas produced by a diesel engine comprising a catalytic region and a substrate, wherein the catalytic region comprises a catalytic material comprising: bismuth (bi), antimony (sb) or an oxide thereof; a platinum group metal (pgm) selected from the group consisting of (i) platinum (pt), (ii) palladium (pd) and (iii) platinum (pt) and palladium (pd); and a support material, which is a refractory oxide: wherein the platinum group metal (pgm) is supported on the support material; and wherein the bismuth (bi), antimony (sb) or an oxide thereof is supported on the support material and/or the refractory oxide comprises the bismuth, antimony or an oxide thereof.. .
Johnson Matthey Public Limited Company


 Engine with explosion protection patent thumbnailEngine with explosion protection
The exhaust system of a diesel engine includes components such as a turbocharger and an exhaust manifold which can have very high internal temperatures (e.g., any surface having a temperature above 135° c.). In accordance with the invention the components subject to the high temperatures are coated with at least a first layer of thermally insulating material and a second layer overlying the first layer to provide surface protection.

Remote fluid supply for an engine

A system includes a first diesel engine operable to drive a first device, a first def tank associated with the first engine and operable to provide def to the first diesel engine during operation, a second diesel engine operable to drive a second device, and a second def tank associated with the second engine and operable to provide def to the second diesel engine during operation. An external def tank is arranged to contain a quantity of def that is coupled to the first def tank and the second def tank and operable to selectively deliver def from the external def tank to each of the first def tank and the second def tank..
Clark Equipment Company

Separation of polar lipids from krill oil extract

Disclosed is a chromatographic process complex for the refining of krill oil extract including desalting, removal of impurities such as trimethylamine oxide (tmao), and the production of krill oil products including desalted krill oil extract, polar lipid products having polar lipid contents greater than 50 wt-% on a dry or solvent free basis, neutral lipid streams for biodiesel production and astaxanthin. The refinery includes a continuous desalting zone, a fixed bed polar lipid extraction zone to adsorb neutral lipids and astaxanthin to provide a polar lipid extract stream comprising solvent and polar lipids and being essentially free of neutral lipids and astaxanthin, and an astaxanthin separation zone to recover essentially pure astaxanthin and provide a neutral lipid stream.
Orochem Technologies, Inc.

Method of processing cracked naphtha to make a low-sulfur naphtha product and ultra-low sulfur diesel

A method providing for the selective hydroprocessing of cracked naphtha feedstock to make blending components for low-sulfur gasoline and either ultra-low sulfur diesel or ultra-low sulfur jet fuel. The method includes the use of two catalytic distillation stages in combination with three stripping columns and two fixed-bed reactors integrated in a novel arrangement so as to provide for the treatment of cracked naphtha feedstock that has a high sulfur concentration to yield exceptionally low-sulfur light cracked naphtha and heavy cracked naphtha products and low-sulfur diesel or jet fuel.
Shell Oil Company

Process for separating astaxanthan

Disclosed is a chromatographic process complex for the refining of krill oil extract including desalting, removal of impurities such as trimethylamine oxide (tmao), and the production of krill oil products including desalted krill oil extract, polar lipid products having polar lipid contents greater than 50 wt-% on a dry or solvent free basis, neutral lipid streams for biodiesel production and astaxanthin. The refinery includes a continuous desalting zone, a fixed bed polar lipid extraction zone to adsorb neutral lipids and astaxanthin to provide a polar lipid extract stream comprising solvent and polar lipids and being essentially free of neutral lipids and astaxanthin, and an astaxanthin separation zone to recover essentially pure astaxanthin and provide a neutral lipid stream.
Orochem Technologies, Inc.

Integrated process for making high-octane gasoline

An integrated process for converting low-value paraffinic materials to high octane gasoline and high-cetane diesel light is disclosed. The process involves: (1) oxidation of an iso-paraffin to alkyl hydroperoxide and alcohol; (2) converting the alkyl hydroperoxide and alcohol to dialkyl peroxide; (3) converting low-octane, paraffinic gasoline molecules using the dialkyl peroxides as radical initiators, thereby forming high-cetane diesel, while the dialkyl peroxide is converted to an alcohol; (4) converting the alcohol to an olefin; and (5) alkylating the olefin with iso-butane to form high-octane alkylate.
Exxonmobil Research And Engineering Company

Process for conversion of methane to higher hydrocarbons, including liquid fuels

Aspects of the invention are associated with the discovery of processes for converting methane (ch4), present in a methane-containing feedstock that may be obtained from a variety of sources such as natural gas, to higher hydrocarbons (e.g., c4+ hydrocarbons) such as gasoline, diesel fuel, or jet fuel boiling-range hydrocarbons, which may optionally be separated (e.g., by fractionation) for use as transportation fuels, or otherwise as blending components for such fuels. Particular aspects of the invention are associated with advantages arising from maintaining reaction conditions that improve the yield of c4+ hydrocarbons.
Gas Technology Institute

Apparatus and controlling glow plug of diesel hybrid vehicle

An apparatus and method for controlling a glow plug of a diesel hybrid vehicle in which an engine is frequently turned on/off. The apparatus and method are capable of assisting running torque required for motion of the diesel hybrid vehicle through a torque aid operation of a hybrid motor in order to enable pre-heating of an engine combustion chamber in an initial stage of an engine running mode, using an inexpensive glow plug..
Hyundai Motor Company

Engine combustion control at high loads via fuel reactivity stratification

Low-reactivity fuel such as gasoline is provided to a diesel engine cylinder sufficiently early in the injection stroke that it will be premixed. High reactivity fuel such as diesel fuel is then injected during the compression stroke, preferably around 40-60° before top dead center (tdc), to provide a stratified distribution of fuel reactivity within the cylinder, one which provides ignition (the start of main heat release) at or near tdc, preferably at 0-10° prior to tdc.
Wisconsin Alumni Research Foundation

Passive nox adsorber

A nox absorber catalyst for treating an exhaust gas from a diesel engine. The nox absorber catalyst comprises a first nox absorber material comprising a molecular sieve catalyst, wherein the molecular sieve catalyst comprises a noble metal and a molecular sieve, and wherein the molecular sieve contains the noble metal; a second nox absorber material comprising palladium (pd) supported on an oxide of cerium; and a substrate having an inlet end and an outlet end..
Johnson Matthey Public Limited Company

Processes for separating multiple streams from a feed

Processes for separating a feed stream for a combined hydrotreating zone into multiple components. The hydrotreating zone receives at least two streams from the separation, preferably a naphtha stream and a diesel stream.
Uop Llc

Effect of type of support oxide on sulfur resistance of synergized pgm as diesel oxidation catalyst

Sulfur-resistant synergized platinum group metals (spgm) catalysts with significant oxidation capabilities are disclosed. Catalytic layers of spgm catalyst samples are produced using conventional synthesis techniques to build a washcoat layer completely or substantially free of pgm material.
Clean Diesel Technologies, Inc.

No oxidation activity of pseudo-brookite compositions as zero-pgm catalysts for diesel oxidation applications

Zero-pgm (zpgm) catalyst materials including pseudo-brookite compositions for use in diesel oxidation catalyst (doc) applications are disclosed. The disclosed doped pseudo-brookite compositions include a-site partially doped pseudo-brookite compositions, such as, sr-doped and ce-doped pseudo-brookite compositions, as well as b-site partially doped pseudo-brookite compositions, such as, fe-doped, co-doped, ni-doped, and ti-doped pseudo-brookite compositions.
Clean Diesel Technologies, Inc.

Electromagnetically actuatable gas valve, and increasing the seal of an electromagnetically actuatable gas valve

The invention relates to an electromagnetically actuatable gas valve for metering a gaseous fuel into a suction tract of a motor, in particular a gas or diesel gas motor, comprising a valve seat (1) which is designed as a flat seat and which has multiple annular webs (3) that are arranged in a concentric manner and are connected via at least one radially running web (4) in order to delimit circular or semicircular through-flow openings (2). The electromagnetically actuatable gas valve further comprises a movable valve plate (5) which sealingly interacts with the valve seat (1) and which has multiple annular sealing webs (6) that are arranged in a concentric manner and can be brought into an overlapping arrangement with the circular or semicircular through-flow openings (2) of the valve seat (1).
Robert Bosch Gmbh

Method for injecting reductant into an exhaust gas of an engine

A method for injecting a reductant into an exhaust gas of a power system. The method includes oscillating injections of the reductant between a higher reductant injection rate and a lower reductant injection rate.
Deere & Company

Exhaust gas post-processing system

An exhaust gas post-processing system includes an oxidation catalyst configured to oxidize substances included in the exhaust gas; a diesel particulate filter configured to collect particulate matters included in the exhaust gas and disposed subsequent to the oxidation catalyst; a dosing module configured to inject a reducing agent and disposed subsequent to the diesel particulate filter; and a selective catalytic reduction configured to remove nitrogen oxide using the reducing agent included in the exhaust gas and disposed subsequent to the dosing module. The diesel particulate filter includes a catalytic component represented by la1-xagxmno3 (where 0<x<1)..
Hyundai Motor Company

Bio-derived composition for dust control

Bio-derived glycerides formed from a reaction between waste glycerol and biodegradable or bio-derived fatty acid esters such as crude biodiesel or soybean oil triglycerides are useful as dust suppressants.. .
Ndsu Research Foundation

Surface active agents derived from biodiesel-based alkylated aromatic compounds

A surface active agent comprising an arylated methyl ester of a fatty acid, or mixture of fatty acids, derived from biodiesel or a triglyceride source is disclosed. The fatty acid mixture is condensed to methyl esters and alkylated with aromatic substituents under friedel-crafts conditions.
Huntsman Petrochemical Llc

Catalyst activation in fischer-tropsch processes

A system for activating fischer-tropsch catalyst comprising a reactor having a reactor outlet for overhead gas and operable under suitable conditions whereby a catalyst in a volume of liquid carrier comprising fischer-tropsch diesel, hydrocracking recycle oil, or a combination thereof may be activated in the presence of an activation gas; a condenser comprising an inlet fluidly connected to the reactor outlet for overhead gas and comprising a condenser outlet for condensed liquids; and a separation unit comprising an inlet fluidly connected to the condenser outlet and a separator outlet for a stream comprising primarily fischer-tropsch diesel; and a recycle line fluidly connecting the separator outlet, a hydrocracking unit, or both to the reactor, whereby fischer-tropsch diesel recovered from the reactor overhead gas, hydrocracking recycle oil, or a combination thereof may serve as liquid carrier for catalyst in the reactor. A method for activating fischer-tropsch catalyst is also provided..
Res Usa, Llc

Filter device

A filter device for filtering fluids, such as fuels, including diesel fuel, comprising a filter housing (1), inside which a filter element (17) can be fastened in an exchangeable manner, which filter element has a filter medium that surrounds an inner filter cavity (25), a fluid inlet (21) leading to the unfiltered side (27) of the filter element (17), a fluid outlet (9) for the outflow of filtered fluid from the filtered side (25), and a tank return connection (13), is characterized in that an equalizing tube (49) is provided extending in the filter housing (1) up to a maximum filling level height provided for the filtration operation, which equalizing tube is connected at its bottom end to the tank return connection (13) and is open at its top end (51), and in that the tube (49) has, at a point located at a distance from the top and bottom end of the tube, an inner control part (60), in which a through-hole (61) is located, which forms a throttle point.. .
Hydac Fluidcarecenter Gmbh

Self-supplied hydrogen fuel cell system and working method thereof

The invention discloses a self-supplied hydrogen fuel cell system and a working method thereof, the system comprising a diesel tank, a gas separator, a fuel cell, a low-temperature separation reactor, a high-temperature separation reactor, an auto-thermal reformer, a water tank and a catalytic burner; with the high-temperature separation reactor, the low-temperature separation reactor and the auto-thermal reformer, diesel is cracked into h2 and co; as the fuel for the fuel cell, h2 may react with o2 in the air and generate electric energy; the unreacted h2 and co enter into the catalytic burner for combustion, ensuring that the water is heated; thus, it not only provides h2 to the fuel cell, but also provides high-temperature water to the auto-thermal converter to produce h2; electric energy can be generated without burning diesel; since no nox or particulate matters but co2 is generated, the goal of ultra-low emission is achieved.. .
Beijing University Of Civil Engineering And Architecture

Gas substitution control bi-fuel engine

A gas substitution ratio control system varies natural gas flow to a bi-fuel engine based on detected diesel flow to maintain a desired gas substitution ratio (gsr), without any requirement to sense engine load. In other words, gsr is controlled without monitoring engine load level.
Continental Controls Corporation

Diesel engine exhaust gas treatment system with enhanced nitrogen oxide purification performance

A diesel engine exhaust gas treatment system with enhanced nitrogen oxide purification performance includes a nitrogen oxide adsorption part nitrogen adsorbing oxide (nox) at a temperature of less than 200° c. And desorbing the nitrogen dioxide (no2) at a temperature of 200° c.
Hyundai Motor Company

Diesel fuel compositions

The present disclosure provides a diesel fuel composition containing dmc and multifunctional additives to reduce particulate emission, improve efficiency and be used in cold and/or hypoxia conditions.. .
Yashentech Corporation

Regulation of a diesel exhaust after-treatment system via exhaust energy determination

A method is disclosed for regulating an exhaust after-treatment (at) system for a diesel engine. The method includes detecting the engine's cold start when the engine's exhaust gas flow directed into the at system is at a temperature below a threshold value.
Gm Global Technology Operations Llc

Diesel exhaust fluid deposit mitigation

One form of the present application is an apparatus including an internal combustion engine structured to produce an exhaust flow, an exhaust system structured to receive the exhaust flow, and a reductant injector structured to inject reductant into a primary passage of the exhaust system upstream of a catalyst. The apparatus further includes an injector passage structured to receive a portion of exhaust upstream of the injector and further structured to flow the exhaust into the primary passage around the injector in a manner such that deposit formation is reduced..
Cummins Emission Solutions, Inc.

Microencapsulation of chemical additives

The present disclosure relates to new and optimized processes for the preparation of micro- and nano-scale capsules containing lubricant chemical additives. The present disclosure also relates to micro- and nano-scale capsules prepared by such processes, which are useful in a variety of applications, including automotive lubricants, diesel lubricants, industrial lubricants, metal-working lubricants, coolants, and process fluids.
The George Washington University

Aftertreatment system for diesel vehicle

An aftertreatment system for a diesel vehicle includes a lean nox trap (lnt) catalyst, which is installed at a downstream of a diesel engine, absorbs nitrogen oxide (nox) in a lean atmosphere, desorbs nitrogen oxide (nox) in a rich atmosphere based on a lambda window, and converts some of the desorbed nitrogen oxide (nox) to ammonia (nh3). A selective catalytic reduction (scr) catalyst is installed at a downstream of the lnt catalyst and purifies nitrogen oxide (nox) that has passed through the lnt catalyst using ammonia (nh3) generated at the lnt catalyst..
Hyundai Motor Company

Method and system for exhaust particulate matter sensing

Methods and systems are provided sensing particulate matter by a particulate matter (pm) sensor positioned downstream of a diesel particulate filter (dpf) in an exhaust system, where the pm sensor may include plurality of individual electrode pairs coupled to plurality of voltage sources and further to plurality of measurement devices. In one example, a method may include determining a total pm sensor current by summing current generated across the plurality of electrode pairs by determining the sum total of the current generated across the individual electrode pairs.
Ford Global Technologies, Llc

Serviceable diesel fuel filter assembly

A filter assembly for filtering diesel fuel used by a diesel engine includes a housing that defines a housing opening, an unfiltered fuel inlet and a filtered fuel outlet. A panel is matable to the housing for sealably enclosing the opening for forming a housing chamber.
Sogefi Engine Systems Usa, Inc.

Diesel fuel filter assembly

A filtration assembly filters diesel fuel used by a diesel engine and includes a filter element disposed within a housing. The housing includes an unfiltered fuel inlet and a filtered fuel outlet.
Sogefi Engine Systems Usa, Inc.

Gaseous fuel combustion an internal combustion engine

diesel-cycle engines are known to have greater power, torque and efficiency compared to otto-cycle engines of like displacement. When the fuel is a gaseous fuel, such as natural gas, a pilot fuel (such as diesel) is normally required to assist with ignition in a gaseous fuelled diesel-cycle engine.
Westport Power Inc.



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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    This listing is a sample listing of patent applications related to Diesel for is only meant as a recent sample of applications filed, not a comprehensive history. There may be associated servicemarks and trademarks related to these patents. Please check with patent attorney if you need further assistance or plan to use for business purposes. This patent data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Diesel with additional patents listed. Browse our RSS directory or Search for other possible listings.


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