Patent application number | Description | Published |
20120160934 | SYSTEM, METHOD, AND APPARATUS FOR DELIVERING HIGHLY ATOMIZED DIESEL EXHAUST FLUID TO AN EXHAUST AFTERTREATMENT SYSTEM - A system includes a cylindrical blend chamber having two inlets and one outlet. The outlet is fluidly coupled to a transfer line, and a nozzle is positioned downstream of the transfer line. The nozzle is fluidly coupled to an exhaust stream of an internal combustion engine. The system further includes a first inlet fluidly coupled to a diesel exhaust fluid (DEF) stream, and a second inlet fluidly coupled to an air stream. The DEF stream and the air stream intersect at a divergent angle. | 06-28-2012 |
20140250873 | SYSTEMS AND TECHNIQUES FOR HEATING UREA INJECTION SYSTEMS - A reductant delivery system is provided for delivery of reductant to an engine exhaust aftertreatment system that is heated during cold temperature conditions. A heat exchange fluid flows through a heat exchange circuit that provides a flow path from the heat source to the doser, from the doser to the reductant storage tank, and from the reductant storage tank to the heat source. A control valve controls the flow of the heat exchange fluid in the heat exchange circuit so that at least one heat exchange cycle includes a circulation period that increases the temperature of the reductant in the doser and storage tank and a termination period where circulation is stopped until reductant temperature in the doser reaches a lower limit. | 09-11-2014 |
20140260206 | APPARATUS, METHOD, AND SYSTEM FOR REDUCTANT FILTRATION - An exhaust gas treatment system for an internal combustion engine may have a reductant delivery system with a reductant tank. A filter module positioned in the reductant tank filters reductant before it is conveyed to the reductant pump to remove impurities. In order to reduce gas flow to the pump, the filter module may have an outlet port leading to the reductant pump and a venting port positioned above the outlet port such that gas bubbles float to the venting port prior to entry of the reductant into the outlet port. The filter module may be secured to a tank level sensor assembly, and may vent the gas to a gas reservoir above the reductant in the reductant tank. Such a filtration system may operate independently of any return line that conveys reductant back to the reductant tank. | 09-18-2014 |
20140290214 | FLUID CONNECTORS FOR REDUCTANT SYSTEMS - A reductant system for an aftertreatment system of an internal combustion engine is disclosed. The reductant system includes at least one reductant feed line and a reductant system component such as a dosing module. The feed line is connected to the dosing module with a fluid connector. The fluid connector includes a body made from a first material that has a low heat conductivity and an insert made from a second material that has a greater heat conductivity than that of the first material. The insert extends from the body of the fluid connector into a storage chamber of the dosing module, and conducts heat from heated reductant in the feed line to the reductant stored in the storage chamber. | 10-02-2014 |
20140363357 | SYSTEMS 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. A diesel exhaust fluid delivery procedure is also disclosed for nozzle cooling prior to operation of the injector for emissions reduction. | 12-11-2014 |
20150027553 | Urea Injection Systems Valves - Apparatuses and methods for urea dosing of an exhaust after treatment system are disclosed. Exemplary apparatuses include a chamber configured to receive pressurized gas at a first inlet, receive urea solution at a second inlet, and provide a combined flow of pressurized gas and urea to an outlet, a flow passage extending from the first inlet to a seating surface, and a valve member configured to move between an open position in which the valve member is spaced apart from the seating surface and a closed position in which the valve member contacts the seating surface. As the valve member moves from the open position to the closed position the valve member contacts the seating surface at a first location and wipes an area of the seating surface extending from the first location in a direction toward the flow passage. | 01-29-2015 |
20150027556 | Urea Injection Systems Wash Cycles - Urea injection system wash cycle methods and systems are disclosed. An exemplary wash cycle method includes operating a urea injection system to provide urea solution to a first inlet of a blending chamber, provide pressurized gas to a second inlet of the blending chamber, and output a combined flow of pressurized gas and urea solution from the blending chamber. A pressure of the combined flow at a location downstream from the first inlet and the second inlet is monitored. A wash cycle is performed based upon the monitored pressure wherein the flow of pressurized gas is turned off and urea solution is provided to the blending chamber. An exemplary system includes a controller configured to control a urea injection system to perform a wash cycle in accordance with the exemplary method. | 01-29-2015 |
20150030466 | Urea Solution Pumps Having Leakage Bypass - Urea solution pumps having leakage bypass flowpaths and methods of operating the same are disclosed. Certain embodiments are pump apparatuses including an inlet passage in flow communication with a source of urea solution and a pump chamber, an outlet passage in flow communication with the pump chamber and an exhaust after treatment system, a diaphragm facing the pump chamber and coupled with an actuator, a first housing member coupled with a second housing member form a seal around the pumping chamber, a leak collection chamber surrounding the seal, and a return passage in flow communication with the leak collection chamber and the inlet passage. Urea solution that leaks from the pump chamber past the seal is received by the leak collection chamber and flows through the return passage to the pump inlet passage. | 01-29-2015 |
20150049574 | AIR CURTAIN FOR UREA MIXING CHAMBER - An exemplary embodiment includes a blending chamber having a urea inlet, a blending chamber gas inlet, and a blending chamber outlet. A urea source provides a pressurized urea solution to the urea inlet at a urea injection pressure, and a pressurized gas source transmits pressurized gas to the blending chamber gas inlet via a passageway. The passageway is configured to decrease pressure of the pressurized gas transmitted along its length from a first pressure of gas received from the pressurized gas source to a second pressure of gas provided to the blending chamber gas inlet. The first pressure of gas received from the pressurized gas source is greater than the urea injection pressure and the second pressure of gas provided to the blending chamber gas inlet is less than the urea injection pressure. | 02-19-2015 |
20150128569 | SYSTEMS AND TECHNIQUES FOR HEATING UREA INJECTION SYSTEMS - A reductant delivery system is provided for delivery of reductant to an engine exhaust aftertreatment system that is heated during cold temperature conditions. A heat exchange fluid flows through a heat exchange circuit that provides a flow path from the heat source to the doser, from the doser to the reductant storage tank, and from the reductant storage tank to the heat source. A control valve controls the flow of the heat exchange fluid in the heat exchange circuit so that at least one heat exchange cycle includes a circulation period that increases the temperature of the reductant in the doser and storage tank and a termination period where circulation is stopped until reductant temperature in the doser reaches a lower limit. | 05-14-2015 |
20160040575 | PUMP PURGE FOR UREA DOSING SYSTEM - According to one embodiment, a diesel exhaust fluid purging system includes a metering valve with a supply port and a delivery port. The purging system also includes a pump assembly that is fluidly connected to the supply port of the metering valve. The pump assembly includes a pump and a single supply line that is fluidly connectable with a diesel exhaust fluid source. The purging system further includes an injection assembly that is fluidly connected to the delivery port of the metering valve. The injection assembly includes an air supply line that is fluidly connectable with an air supply source. Additionally, the purging system includes a controller in electrical communication with the metering valve, the pump assembly, and the injection assembly. The controller is configured to purge the pump assembly of residual diesel exhaust fluid using air from the air supply line. | 02-11-2016 |
20160084131 | SYSTEMS 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. A diesel exhaust fluid delivery procedure is also disclosed for nozzle cooling prior to operation of the injector for emissions reduction. | 03-24-2016 |
Patent application number | Description | Published |
20090040750 | SOLAR-POWERED LIGHT POLE AND LED LIGHT FIXTURE - A solar-powered lighting system includes a flexible, wrap-around, preferably self-stick panel of photovoltaic laminate applied to the outside surface of a light pole. An LED light fixture is connected preferably at or near the top of the pole and has the same or similar diameter as the pole. The LED light fixture has multiple columns and rows of LEDs and an interior axial space for air flow to cool the LEDs. The pole preferably also has vents and axial passage(s) for creating a natural updraft through at least a portion of the pole and the light fixture, for cooling of the photovoltaic panel interior surface, the LEDs, and/or other equipment inside the fixture or pole, and batteries that may be provided inside the pole or pole base. A purely or mainly decorative additional fixture, which emulates conventional outdoor light fixtures, may be provided on the lighting system, wherein the decorative additional fixture includes no, or only a minimal, light source. The lighting system has a sleek profile with few or no protrusions from the sides of the pole and from the LED light fixture, except for the optional decorative fixture that provides a conventional street light appearance even though the main light source is the LED fixture. | 02-12-2009 |
20100029268 | WIRELESS AUTONOMOUS SOLAR-POWERED OUTDOOR LIGHTING AND ENERGY AND INFORMATION MANAGEMENT NETWORK - An array of outdoor lighting operates mainly in independent mode wherein sensing, communication, and control processes take place between the various lights of the array. Additional communication and control may occur between the array and a control station by means of a master/coordinating node that transmits and receives signals to the control station via call phone and/or satellite. The system may be tied to the internet for dissemination of data and/or data analysis gathered by means of the multiple poles/devices of the array. The independent-array and/or the master-to-station network and communications may be adapted for energy-saving processes; power-receiving from or power-providing to the grid, renewable power production and storage by means of solar panels and/or wind turbines and associated batteries or other storage equipment; and/or to Wi-Fi hot-spots, public safety alarms, information, or advertising to the public or information/data-analysis to customers. Preferred members of the array have solar-panel-powered lights, which may charge batteries and optionally supply energy to an electrical grid. In arrays cooperating with the grid, the grid may optionally charge the batteries of the array during off-peak hours. The preferred lights include LED modules that may be aimed to establish desired light patterns. | 02-04-2010 |
20110085322 | SOLAR-POWERED LIGHT POLE AND LED LIGHT FIXTURE - A solar-powered lighting system includes a flexible, wrap-around, preferably self-stick panel of photovoltaic laminate applied to the outside surface of a light pole. An LED light fixture is connected preferably at or near the top of the pole and has the same or similar diameter as the pole. The LED light fixture has multiple columns and rows of LEDs and an interior axial space for air flow to cool the LEDs. The pole preferably also has vents and axial passage(s) for creating a natural updraft through at least a portion of the pole and the light fixture, for cooling of the photovoltaic panel interior surface, the LEDs, and/or other equipment inside the fixture or pole, and batteries that may be provided inside the pole or pole base. A purely or mainly decorative additional fixture, which emulates conventional outdoor light fixtures, may be provided on the lighting system, wherein the decorative additional fixture includes no, or only a minimal, light source. The lighting system has a sleek profile with few or no protrusions from the sides of the pole and from the LED light fixture, except for the optional decorative fixture that provides a conventional street light appearance even though the main light source is the LED fixture. | 04-14-2011 |
20120020060 | ENERGY-EFFICIENT SOLAR-POWERED OUTDOOR LIGHTING - One or more outdoor lights may operate independently with sensing and control processes mainly on-pole, or may communicate as a networked array of poles, wherein a master/coordinating pole/node transmits signals from the networked array to a control station, and receive signals from the control station for the networked array, via call phone and/or satellite. Independent poles and/or the networked array of poles may be adapted for energy-saving processes; cooperation with the grid; renewable power production and storage by means of solar panels and associated batteries; and/or to provide Wi-Fi hot-spots, public safety alarms, information or data-analysis to the public or customers. An energy-saving active control system controls charging of the batteries and distribution of energy from the solar panel and/or the batteries, so that the batteries remain undamaged, and the light(s) remain operation even during the winter or other long periods of clouds and diffuse light. The active control of energy distribution by a load controller function may include dimming during the night, except when sensors detect motion, and, in extreme cloudy or diffuse-light periods, increasing increments of dimming and/or load shedding, to preserve the batteries and operability. | 01-26-2012 |
20120143383 | ENERGY-EFFICIENT UTILITY SYSTEM UTILIZING SOLAR-POWER - Utility units each have a pole, a solar engine, lighting or other loads, and a controller. The controller senses and controls processes mainly on-pole, but a unit/pole may additionally communicate and/or receive/send control signals from/to poles with which they are networked and/or from a control station. Each pole/network may be adapted for energy-efficient operation of various loads; energy-metering; grid-cooperation; self-diagnostics; overriding of errors/signals to prevent abnormal operation; and/or coordinated activities between poles. Networks may be wireless or wired, or a portable temporary device may monitor pole(s). Active control includes detection of sensor signals or other operational data, which triggers the controller to modify operation of one or more devices/systems on the pole to maintain energy efficiency and operability in spite of malfunctions, abnormal signals or environments, cloudy/diffuse-light weather, or other non-standard conditions. | 06-07-2012 |
20150021990 | ENERGY-EFFICIENT SOLAR-POWERED OUTDOOR LIGHTING - One or more outdoor lights may operate independently with sensing and control processes mainly on-pole, or may communicate as a networked array of poles, wherein a master/coordinating pole/node transmits signals from the networked array to a control station, and receive signals from the control station for the networked array, via call phone and/or satellite. Independent poles and/or the networked array of poles may be adapted for energy-saving processes; cooperation with the grid; renewable power production and storage by means of solar panels and associated batteries; and/or to provide Wi-Fi hot-spots, public safety alarms, information or data-analysis to the public or customers. An energy-saving active control system controls charging of the batteries and distribution of energy from the solar panel and/or the batteries, so that the batteries remain undamaged, and the light(s) remain operation even during the winter or other long periods of clouds and diffuse light. The active control of energy distribution by a load controller function may include dimming during the night, except when sensors detect motion, and, in extreme cloudy or diffuse-light periods, increasing increments of dimming and/or load shedding, to preserve the batteries and operability. | 01-22-2015 |
Patent application number | Description | Published |
20080311573 | Compositions, kits, and methods for identification, assessment, prevention, and therapy of breast cancer - The invention relates to newly discovered nucleic acid molecules and proteins associated with breast cancer. Compositions, kits, and methods for detecting, characterizing, preventing, and treating human breast cancers are provided. | 12-18-2008 |
20100105051 | COMPOSITIONS, KITS, AND METHODS FOR IDENTIFICATION, ASSESSMENT, PREVENTION, AND THERAPY OF BREAST CANCER - The invention relates to newly discovered nucleic acid molecules and proteins associated with breast cancer. Compositions, kits, and methods for detecting, characterizing, preventing, and treating human breast cancers are provided. | 04-29-2010 |
20110092388 | COMPOSITIONS, KITS, AND METHODS FOR IDENTIFICATION, ASSESSMENT, PREVENTION, AND THERAPY OF BREAST CANCER - The invention relates to newly discovered nucleic acid molecules and proteins associated with breast cancer. Compositions, kits, and methods for detecting, characterizing, preventing, and treating human breast cancers are provided. | 04-21-2011 |
Patent application number | Description | Published |
20160082621 | INSULATED CONTAINER AND METHODS OF MAKING AND ASSEMBLING - A process for forming a multi-layer sheet for forming an expanded foam container, the process comprising: extruding a first layer comprising a first polyolefin-based material comprising at least one polypropylene-based polymer and at least one blowing agent; providing a second layer comprising a second polyolefin-based material comprising at least one polypropylene-based polymer onto a first side of the first layer; and expanding the first layer to form the multi-layer sheet comprising an expanded first layer and an unexpanded second layer. | 03-24-2016 |
20160082692 | INSULATED CONTAINER AND METHODS OF MAKING AND ASSEMBLING - A multi-layer sheet for forming an expanded foam container, the multi-layer sheet comprising a first layer of an expanded foam material comprising a first polyolefin-based material comprising at least one polypropylene-based polymer and a second layer of an unexpanded material comprising a second polyolefin-based material comprising at least one polypropylene-based polymer that is co-extruded, extrusion coated, or laminated on a first side of the first layer. | 03-24-2016 |
20160082693 | INSULATED CONTAINER AND METHODS OF MAKING AND ASSEMBLING - A multi-layer sheet for forming an expanded foam container, the multi-layer sheet comprising a first layer of an expanded foam material comprising a first polyolefin-based material comprising at least one polypropylene-based polymer and a second layer of an unexpanded material comprising a second polyolefin-based material comprising at least one polypropylene-based polymer that is co-extruded, extrusion coated, or laminated on a first side of the first layer, wherein an exterior surface of the second layer has a low gloss level. | 03-24-2016 |