Abstract: An apparatus and system to removably install, or replace, an awning panel. The awning panel is mounted on a wall or structure or similar vertical surface by insertion into a pair of mounting brackets that have been affixed to the wall. The mounting brackets may be mounted at any distance apart, and thus may accommodate awnings of different sizes. The mounting brackets comprise a right and left bracket, each comprising an angled support art, a holding member, a vertical support member, and a top support member. Supporting members along the sides of the awning panel slide into the space or slot formed by the angled support arm and the holding piece, and is further supported by the angled support arm extending along the underside of the supporting members. The angled support arm may be fixed at a set angle, or may be adjusted to different angles. A cover panel may be used to shield the awning panel, with the cover panel mounted on separate brackets or on the same brackets with the awning panel.

Abstract: The window well cover and accessory for use there with includes a cover that is hingedly attached top of a window well. The window well cover includes height-adjusting means to tilt the window well to a particular orientation with respect to the window well. The window well cover includes an accessory that is secured to a top surface of the window well cover, and which provides a decorative feature to an adjacent home as well as a weighting means for maintaining the window well cover atop of the window well. The window well cover is constructed of a transparent material to enable light to penetrate down into the window well. The window well cover is capable of rotating outwardly and away from the respective home in order to provide ingress and egress with respect to the window well.

Abstract: A bracket for a post comprises a body adapted for being located at the post and at least one projection extending out from the body. The projection is adapted for retaining thereat at least one of a ground securing pin and an end of a tensioning rod. A post securement system comprises the bracket and at least one of the ground securing pin and tensioning rod. A method employing the bracket locates the post in ground, locates the bracket along the post and positions at least one of the ground securing pin and tensioning rod to be retained at the bracket.

Abstract: The present invention relates generally to roofing or siding products. The present invention relates more particularly to roofing or siding products for use with photovoltaic elements, and to photovoltaic systems that include one or more photovoltaic elements joined to a roofing or siding substrate. In one embodiment, a roofing product includes a rigid roofing or siding substrate having a top surface, the top surface having one or more receptor zones thereon, each receptor zone being adapted to receive one or more photovoltaic elements, each receptor zone having a different surfacing than the area of the top surface adjacent to it.

Abstract: A window or door assembly and/or system having a drain method and device that is less invasive than previous implementations. The assembly can include slidable window or door panels and an upright support allowing translational movement of the panels. Distal thereto, a weeping upright is provided. The upright support and the weeping upright can form a channel therebetween where the liquid is collected, wherein the channel in one embodiment is L-shaped. To remove liquid from the channel, an accumulator that is perpendicular to the channel can receive the fluid through an opening. Liquid can also be removed through a drainage opening within the upright support or weeping upright. An aperture along with a connector along a bottom portion of the channel can also be used to remove the liquid within the channel.

Abstract: A stay-in-place buck for defining an opening in a cast concrete structure has a plurality of frame members arrangeable in an abutting relationship. Each of the frame members has a panel extending transversely between outer opposed panels of a stay-in-place form-work. Flanges extend from opposed edges of the frame member panel for abutment against outer surfaces of the outer opposed panels. Each flange has opposed mitered end edges for abutment against adjacent mitered end edges of flanges of adjacent frame members. The buck also includes fastener-receivers connectable to the panels of the frame members to form one or more fastener-receiving frames extending at least partially about a perimeter of the buck. Each fastener-receiver has mitered edge portions for abutment against adjacent mitered edge portions of adjacent fastener-receivers.

Abstract: Disclosed are apparatus and corresponding methodology for providing a base support, such as including concrete, and used such as for a wind-driven generator. Precast concrete cylinders are stacked in place upon a platform that may be partially precast and partially cast in place during assembly and supported, in certain embodiments, by plural concrete legs, the other ends of which are supported on a unitary or subdivided concrete foundation. In other embodiments, the platform may be supported by ribbed concrete panels. The concrete cylinders are glued together using an epoxy and then secured by an internal vertical post tension system extending from the platform to the upper most cylinder. Different types of concrete are used between upper and lower sections of the stacked cylinders. The lower section uses reinforced concrete while the upper section used ultra high performance fiber reinforced concrete.

Abstract: The present disclosure is directed generally towards fire-resistant wood products and formulations for fire-resistant coatings. In some embodiments, the disclosure includes a fire-resistant coating comprising an aromatic isocyanate (present in a quantity ranging from about 15% to about 39%), castor oil (present in a quantity ranging from about 37% to about 65%), and intumescent particles (present in a quantity ranging from about 1% to about 40%). Further aspects are directed towards materials such as wood products coated with fire-resistant coatings according to embodiments of the disclosure.

Abstract: A method and apparatus for securing non-load bearing interior walls in a wood frame structure in a manner that allows for vertical deflection of the frame includes a plurality of sleeved fastener assemblies, each having a threaded fastener extending through a shorter outer sleeve with an enlarged diameter head. The fasteners hold interior non-load bearing walls in place through a predrilled hole in the top plates of the walls, while being capable of accommodating limited vertical movement caused by vertical deflection of the building frame during construction and beyond.

Abstract: Tie beam formation apparatus includes parallel opposed sidewalls defining a channel constructed to receive concrete for the formation of a tie beam. The sidewalls are disposed to become a fixed part of the tie beam. The apparatus further includes mounting structure attached to the sidewalls for holding the sidewalls in the channel defining position. The mounting structure is designed to hold the sidewalls on an upper surface of a block wall and to engage the sidewalls with the block wall at regular intervals. The mounting structure is further designed to allow a flow of concrete into openings in the block wall at spaced apart regular intervals.

Abstract: A tray substrate for a modular tile flooring system is disclosed that allows installation of medallion floating tiles into the flooring system. This tray substrate is designed to be a smaller medallion type tray substrate installed amongst larger tray substrates in a shape that is twisted at an angle to the grout lines of the other tiles. This is known as a medallion which is inserted in the layout.

Abstract: A flooring system having a top floor layer, a sub-floor, and an underlayment material disposed between the sub-floor and the top floor layer is disclosed. The underlayment material may include a cross-linked, polyolefin foam having a moisture vapor transmission rate of less than about 3.0 lb/1000 ft2/24 hr, and an average sound pressure level of less than about 15 dB over a range of about 300 Hz to about 1000 Hz. Foam density, gel fraction, and resin blend may combine to provide an underlayment material having such reflective sound and moisture vapor barrier properties.

Abstract: A blanket assembly includes a shear fabric and an attachment frame wrapped in the shear fabric. A thermal protection blanket is carried by the shear fabric.

Abstract: A wall brace support for an acoustical ceiling tee having a bulb includes an elongated main portion having two ends; a wall attachment tab at one of the ends, the tab being operable to abut the wall and receive at least one fastener therethrough to fasten the tab to the wall; and an acoustical ceiling tee attachment structure at the other end, the structure being operable to receive at least one fastener therethrough to fasten the structure to the bulb at a location spaced away from the wall.

Abstract: Methods for fabricating sidings and methods for securing those sidings to structures are disclosed. Additionally, this disclosure teaches embodiments of sidings that can be secured to structures. For some embodiments, the siding comprises an insulation and a panel. The insulation and the panel are coupled to each other prior to installation of the siding. This coupling is achieved by non-adhesive coupling mechanisms.

Abstract: An attachment system for coupling together two airplane sections includes an attachment section securing one of the airplane sections and a mount section affixed to the other section. The attachment section includes a top, a bottom, a first end, and a second end. Coupled to the top are two clamp sections, whereby at least one of the clamp sections is moveable. Coupled to the bottom is a pair of buttons. The mount section includes a top and a bottom, such that the mount bottom couples to the second airplane section. The mount section further includes a track coupled to the mount top, wherein the track includes an open end having outwardly tapered edges and a closed end. The one of the buttons slides into the track for coupling the attachment section to the mount section.

Abstract: The invention relates to the field of construction and in particular to a modular construction system used for building of construction modules. The construction system comprises plurality of flat elements (1) with identical thickness C and having slots (3) on at least one of its long sides (4), as the slots (3) are located at a distance from each other so that the flat elements (1) can intersect each other through their slots (3) in order to form a grid. The elements (1) of the system have slots (3) located at equal distances n or b from each other where the ratio n:b is within the range from 1:1 to 1:10. The building construction module is made as three-dimensional frame structure shaped like polyhedron including a floor (20), a ceiling (21) and at least two walls (22) grids connected together. The grids are made by intersecting through slots (3) flat elements (1).

Abstract: A block wall system including a block wall having a multiplicity of courses of blocks; at least one longitudinal reinforcement bar that extends through the block wall; and at least one bracket for locating the longitudinal reinforcement bar; wherein the longitudinal reinforcement bar passes through the void of at least one block in the block wall and through a capture zone of the bracket located within the block wall.

Abstract: The Dual Tension Connector (DTC) is a metal connector used for tying a wood or steel railing stanchion to a structural framing member. The DTC is designed to resist force applied to a railing stanchion in any direction. It is a one-piece solution for railing stanchion connections that requires no welding or separate washers. The DTC consists of a rectangular shaped section that can be attached to a structural framing member, and two elongated strap members located on each side of the rectangular shaped section. Each elongated strap has two seat members, and two triangular-shaped side members with seat members that are integrally connected. The seat members are located in such a manner so they may be folded, and locked together to act as one unit in resisting tension forces applied to the DTC.

Abstract: A building panel structure is disclosed, in which building panels are used to form a structure. A building panel is disclosed which includes a core and a coating applied over the core. In some embodiments the core consists of a frame and one or more than one insulating structural block. The insulating structural blocks can be encapsulated polystyrene (EPS) foam blocks. In some embodiments the coating includes an inner scratch layer and an outer main brown layer. The inner scratch layer can be formed of at least two layers. The outer main brown layer can include a fiberglass mesh embedded into the outer main brown layer. A method of forming a building panel is disclosed which includes forming a core using a frame and one or more blocks, applying an inner scratch layer to the core, and applying an outer main brown layer over the inner scratch layer.

Abstract: An embodiment of the system for forming a movable slab foundation as comprised by the present invention has a slab foundation, at least one substantially vertical support member, at least one support surface, and at least one support sleeve. The at least one support sleeve surrounds the at least one support member and is encased within the slab foundation and is capable of movement axially along the axis of the at least one support member. The at least one vertical support member is capable of rotation relative to the at least one support sleeve to restrict the movement of the at least one support sleeve downward relative to the at least one vertical support member, thereby maintaining the height of the at least one support sleeve and the slab foundation relative to the at least one support surface.

Abstract: Fastener-receiving components are disclosed for use in a structure fabricated from a curable material (e.g. concrete, other cementitious materials or other curable materials). The fastener-receiving component comprises: one or more fastener-receiving channels, each fastener-receiving channel defined by a pair of longitudinally and inwardly extending sidewalls and comprising one or more break-through elements which extend longitudinally and transversely between the sidewalls for receiving fasteners that penetrate therethrough; and one or more anchor features that define one or more corresponding concavities shaped to receive liquid material when the structure is formed and to prevent outward movement of the fastener-receiving component when the liquid material cures. Kits and methods are provided for using the fastener-receiving components.

Abstract: A reinforcing system for a guy anchor used in a guyed or additionally guyed tower includes a concrete structure formed around the guy anchor. The concrete structure has a top surface slightly above grade level. The reinforcing system further includes a supplemental anchor shaft. The supplemental anchor shaft is attached to the existing anchor head and extends down into the concrete structure, where it is retained and encased therein. The concrete structure preferably has a base and at least one wall that extends down from the base and has a surface that faces the tower to resist horizontal forces. The reinforcing system is sufficiently strong to keep the guy anchor in place even if the original anchor shaft completely corrodes. The supplemental anchor shaft does not generally come into contact with soil. It therefore resists corrosion and is expected to provide a long service life.

Abstract: A studded plate (1) of layer (2) of a polymeric material where an adhesive material (3,4) in the form of a woven or non-woven material is attached on each side of the layer (2).

Abstract: A minimum weight thin wall profile member is produced by selecting range values of cross section dimensions ratios for the thin wall profile member and various ratio values within the range values, and determining shape efficiency factor values ?1, ?2 . . . ?n based on the selected ratio values within the range values. Each shape efficiency factor value is determined using the expression ?=Kf·Km, where Kf=(i2/F)2/5 is an overall stability factor, Km=K1/5/(b/?b)2/5 is a local stability factor, b, ?b are the width and the thickness, respectively, of the main strip, i and F are the radius of gyration and the area of the cross-section, respectively, and K is the local stability stress coefficient. A maximum shape efficiency factor value ?max is selected from the determined shape efficiency factor values, and the corresponding ratio values are used to produce the minimum weight thin wall profile member.

Abstract: A clip control system is described. The invention in a first embodiment is a clip control system comprising a stuffer/clipper comprising a reader and a processing unit and having an operating parameter, a clip package mountable to the stuffer/clipper and holding a plurality of clips, and information encoded in the clip package and readable by the reader, the processing unit configured to receive the information and to set the operating parameter based thereon. The clip package is a reel or a canister. In another embodiment, the invention comprises a clip package holding a plurality of clips and being mountable to a stuffer/clipper having a reader. The clip package has information encoded therein and readable by the reader. In either embodiment, the information is encoded in an RFID tag, a bar code, or a magnetic strip. The reader is a RFID reader, a bar code reader, or a magnetic strip reader. The information is product-specific information and can also include the identity of the clip manufacturer.

Abstract: A device to assist in sorting and organizing any small items and, in particular, vitamins, supplements and prescription medications consisting of a series of folding, hinged panels that fold out to form troughs and transverse dividers that fit into the troughs to form bins. Once the bins are filled, the dividers are sequentially removed to allow the bin contents to be shoved along the trough into a small, resealable plastic bag for convenient storage and transportation. This saves time for people taking several different kinds of pills every day. Each pill bottle is located, opened, closed and stored away only once versus hundreds of times without using this device.

Abstract: A wrapping device (10) for an apparatus (1) for enveloping and packaging a group (3) of articles (2) while they are being moved on a conveyor device (6) with a web-shaped material (4). The wrapping device (10) includes a rod-shaped wrapping element (14), which is laterally fixed to two parallely disposed circulating traction elements (12) on both sides of the conveyor device, whereby said wrapping element (14) is moved by these traction elements (12). The wrapping element (14) is further fixable largely form-lockingly and without play in corresponding receiving elements (16, 48) of the respective traction elements (12), whereby at least one of the receiving elements (16, 48) includes a securing element (20) that can be moved against the return force of a spring locking device (18).

Abstract: Containers are closed with screw caps by a carousel machine of which a central drum (31) is rotatable about a vertical axis (A) and carries a set of capping units (36) equipped with respective capping heads (37), each presenting a gripper (38) by which the cap (3) is held, and a mechanism (66) by which the hinged jaws (39) of the gripper (38) are opened and closed; each capping head (37) is capable of axial motion induced by components incorporated into the relative unit (36), which are guided axially in their movements and supported by auxiliary components (40; 49, 50) associated rigidly with the central drum (31).

Abstract: Various device embodiments include first and second plate assemblies. Each plate assembly includes a base, a seal plate, one or more air bladders and a servo motor to provide a linear motion of the seal plate with respect to the base. The device further includes at least one plate assembly motor operably linked to the bases of the plate assemblies to provide a linear motion of the first and second plate assemblies toward each other to perform a sealing operation and away from each other. The device further includes a controller connected to the at least one plate assembly motor and to the first and second servo motors to coordinate the motion of the first and second seal plates to perform a seal operation on a web while traveling with the web.

Abstract: A method of shipping at least one child-resistant medicate container via a carrier includes providing or obtaining at least one child-resistant medicate container including a front sidewall, and an opposing rear sidewall, a right sidewall, an opposing left sidewall, and at least one locking mechanism. The method also includes creating or obtaining a flat-rate shipping package from a carrier, inserting the at least one child-resistant medicate container into the package, and closing the package to enclose the at least one child-resistant medicate container within the package so that the package is generally flat and acceptable by the carrier for a flat-rate shipping. The method also includes causing the closed package to be shipped or transported by the carrier at a flat-rate.

Abstract: A method of loading a plurality of food items in multiple layers comprises collecting food items in a staging area in a first plurality of groups, each group having a plurality of food items. The first plurality of groups is displaced substantially simultaneously downwardly into an accumulating and storage area and thereby forming a plurality of first layer group. A second plurality of groups of food items is collected, each of the second plurality of groups having a plurality of food items. The second plurality of groups is displaced substantially simultaneously downwardly into the accumulating and storage area such that the second plurality of groups forms a plurality of second layer groups of food items superposed to the first layer groups, and thereby forming a plurality of two layer-groups. The plurality of two-layer groups of food items are displaced downwardly into a receptacle in a packing area.

Abstract: Some embodiments of a tobacco product package device can be used to enhance freshness and other characteristics of tobacco products or other products contained therein. Certain features can improve product freshness both during shelf life and during consumer use.

Abstract: A mower-conditioner including a plant mowing mechanism including a cutting device, a plant conditioning system and a mechanism lifting these elements relative to the ground, this assembly being carried by a frame and including a fairing, the machine also including a plant ejection channel positioned as an extension of the plant conditioning system. The fairing is articulated to the plant ejection channel by a transverse axis that is positioned inside the machine, above and slightly behind the plant conditioning system, and the plant ejection channel is itself articulated to the frame.

Abstract: A rotary lawn mower cutting blade with reduced drag and improved cutting ability includes a central mounting section, intermediate sections, and outboard sections along a common longitudinal axis and disposed about a common center of rotation. The outboard sections includes downward and inward projecting sections. The cutting blade also preferably includes cutting edges on the full extent of the leading edge of the outboard section including the downward and inward projecting sections. Additionally, the outer section can be twisted slightly to enhance airflow upward.

Abstract: The fleece layer for laying down a card web to form a fleece has a cross-lapping upper carriage, through which the card web is guided; a cross-lapping laying carriage, through which the card web coming from the upper carriage is guided and which serves to lay the card web down onto an output conveyor belt, and at least two card web conveyor belts for guiding the card web to the upper carriage and from there to the laying carriage. An upper run of a first endless card web conveyor belt extends from the infeed area of the fleece layer to the upper carriage and serves as a support surface for the card web. A positionally variable pressing means is provided, which can be actuated to produce a variable card web buffer in the upper run of the first card web conveyor belt.

Abstract: A cable protection and guide apparatus is configured to suppress collision noise otherwise generated between a peripheral member and link frames due to polygonal movements of the link frames. Wear and damage of the cables otherwise caused by contact with a connecting plate is prevented. The apparatus comprises a plurality of link frames each having a cable rectangularly-shaped, in cross-section, accommodating space formed by a pair of laterally and separately disposed link plates. Connecting plates crosslink the link plates on cable-bend inner and outer circumferential sides. Link frames are connected bendably with each other in a cable longitudinal direction between a cable stationary end and a cable mobile end to protect and guide the cables. The cable-bend outer circumferential side connecting plate is provided with cylindrical elastic members surrounding the connecting plate across the crosslinking direction thereof.

Abstract: In one embodiment, a system includes an emissions reduction system including a compressor in fluid communication with a catalyst mixing tank. The compressor is configured to output an air flow configured to deliver catalyst from the catalyst mixing tank to a catalyst injection grid. A temperature of the air flow is increased by the compressor.

Abstract: An electronic propulsion engine that creates a propulsive force or thrust using electromagnetic forces or electrostatic forces, with an effect that is similar to the thrust of a jet or rocket engine. Forces are generated using electromagnets or capacitor plates that are separated by dielectric spacer cores and are operated with two modulated currents. The two modulated currents are synchronized, but with a relative phase such that the forces on the two magnets or capacitor plates are not balanced. Included are techniques to reduce circuit impedance and control electric-magnetic field dispersion, such as tuned LCR circuits, dielectric core materials between the magnets or capacitor plates, and RF superconductors result in high propulsion efficiencies. The system operates at RF frequencies and can also be used as a communication device.

Abstract: In a method for the after-treating of an exhaust gas from a preferably direct-injection and/or spark-ignition internal combustion engine, the exhaust gas is fed through a catalytic converter system connected downstream of the internal combustion engine. The system has at least one catalyst with a noble metal depletion having at least the elements palladium and rhodium which are present in a weight ratio of >5:1, 6:1, 7:1, 8:1, 9:1, 10:1, 11:1, or 12:1. In the new European driving cycle, the catalyst exceeds a temperature TK of 300° C., 450° C., 550° C., 600° C. within a time interval of 30 s, preferably 20 s, especially preferably 10 s after starting the engine, and/or the cumulative untreated emissions of hydrocarbons not exceeding 0.05 g/km and/or of nitrogen oxides not exceeding 0.04 g/km within a time interval of 10 s, preferably 20 s, especially preferably 30 s after starting the engine, and/or the engine achieving at least the emissions limit values of EU standard 4, preferably EU standard 5.

Abstract: An oxygen sensor bung of motor vehicle exhaust pipe comprises at least a base, a catalytic converter and a seal lid. The base has an external connection section at one end that contains a first chamber to hold the catalytic converter and is fastened by the seal lid. The external connection section has a first external thread on the surface to fasten to a holding seat of an exhaust pipe. The base has a second chamber on another end with a third internal screw hole formed inside to hold an oxygen sensor by fastening with a second external thread formed thereon. The catalytic converter includes a barrel type casing containing a beehive structure made of precious metal to increase exhaust gas process area. Therefore impurities in the exhaust gas can be reduced and timely replacement of the catalytic converter can be accomplished, and accurate detection of oxygen content can be achieved.

Abstract: A method for diagnosing a particle filter arranged in the waste gas line of an internal combustion engine has the steps of: executing at least one fuel injection, measuring HC emission in the waste gas line in the direction of flow of the waste gas behind the particle filter, and diagnosing a defect of the particle filter based on the measured HC emission.

Abstract: A temperature control device for a catalyst, which is capable of rapidly activating a catalyst while maintaining reduced exhaust emissions, by properly controlling the temperature of exhaust gases according to an activated state of the catalyst. If the catalyst is determined not to be in the activated state, based on an acquired temperature of the catalyst, the temperature control device for a catalyst sets a temperature higher than the temperature of the catalyst by a predetermined temperature is set as a target exhaust gas temperature. Further, the temperature control device controls a combustion control parameter including at least one of an amount of recirculation of exhaust gases by an EGR device, an amount of intake air drawn into an engine, a supply amount and a supply timing of fuel supplied into the engine, according to the set target exhaust gas temperature.

Abstract: A method comprises modifying combustion parameters of an engine of a hybrid vehicle to provide an engine power level insufficient to maintain crankshaft rotation at a desired speed including increasing a temperature of an exhaust gas and reducing an emissions content of the exhaust gas; and supplementing the engine power level with an electric machine of the hybrid vehicle to maintain crankshaft rotation at the desired speed. A control module comprises a cold start combustion control module that modifies combustion parameters of an engine of a hybrid vehicle to provide an engine power level insufficient to maintain crankshaft rotation at a desired speed, wherein the modifying includes increasing a temperature of an exhaust gas, and reducing an emissions content of the exhaust gas; and an electric machine control module that supplements the engine power level using an electric machine of the hybrid vehicle to maintain crankshaft rotation at the desired speed.

Abstract: An exhaust gas treatment filter removes particulate matter from exhaust gas of a diesel engine. The particulate matter which accumulates on the filter is removed by a manual regeneration system that can simply be controlled. After a manual regeneration switch 22 is shifted to an ON-position, a load control section 66 keeps at least one of the revolution speed N of an engine 1, the displacement volume q and discharge pressure P of a hydraulic pressure pump 11 at a corresponding first target value (N1, q1, or P1) or second target value (N2, q2, or P2) depending on a temperature of the cooling water in relation to a flame-out prevention temperature T1. A regeneration control section 67 starts the compulsory regeneration after the manual regeneration switch has been shifted to the ON-position and when the cooling water temperature is equal to or higher than T1.

Abstract: A method for controlling an SCR-exhaust gas after-treatment system (1) of an internal combustion engine (8), in particular of an internal combustion engine of a motor vehicle, has one or more steps for determining the quality of the reducing means.

Abstract: A catalyst composition is provided that includes a catalytic metal secured to a substrate, and the substrate is mesoporous and has pores that are templated. A catalyst composition includes a catalytic metal secured to a mesoporous substrate. The mesoporous substrate is a reaction product of a reactive solution, a solvent, a modifier, and a templating agent. A method for controlling nitrous oxide emissions including the catalyst composition comprising introducing a regeneration fuel into an exhaust stream upstream relative to the catalyst composition and heating the exhaust stream upstream relative to the catalyst composition. When the regeneration fuel is introduced the air/fuel ratio ? of an air/fuel mixture of a lean burn exhaust is greater than 1.

Abstract: A selective reduction catalyst is disposed in an exhaust passage of an engine for reducing NOx in exhaust gases from the engine under existence of a reducing agent. The reducing agent or a reactant for generating the reducing agent is supplied to the upstream side of the selective reduction catalyst. Occurrence of a reducing-agent slip in which the reducing agent is discharged to the downstream side of the selective reduction catalyst is determined. A storage amount indicative of an amount of the reducing agent stored in the selective reduction catalyst is temporarily reduced from the state where the storage amount is at the maximum, and thereafter the storage amount is increased until the occurrence of the reducing-agent slip is detected. A supply correction amount for correcting an amount of the reducing agent is calculated according to an occurrence state of the reducing agent slip when the storage amount is changed.

Abstract: A method for purging reductant from a reductant supply system is disclosed. The method includes dispensing reductant into an exhaust system via a dispensing device. The method also includes purging the dispensing device by urging reductant from the dispensing device to a reductant source.

Abstract: A closure member for a urea tank used to provide urea to an exhaust treatment system of a vehicle comprises a closure member body defining respective urea inlet and outlet passages and coolant inlet and outlet passages therethrough. A valve carried by the closure member body, and a portion of the valve can be an integral one piece part of the closure member body, selectively blocks the flow coolant through the interior of the urea tank. When coolant flows into the tank, it is separated from urea in the tank by a recirculating conduit which returns the coolant from the coolant inlet passage to the coolant outlet passage. Coolant circulating within the tank heats urea therein. The coolant flow valve can comprise a solenoid controlled valve with an electrical connector carried by the coolant tank for making connections to wiring that provides power to the solenoid to control the valve.