Abstract: A mobile building module comprises rigid load-bearing surface elements and one or more inflatable flexible surface elements connected therewith. In the transport condition, several of the load-bearing rigid surface elements are disposed to form a parallelepiped container having a floor and surrounding rigid walls for accommodating the inflatable flexible surface elements, with the height of the container being lower than the height of the building. A building, which is assembled of several partial modules, which are constructed according to the above-mentioned principles, is also an object of the invention.

Abstract: An inspection chamber having a plastic sleeve, a plastic base accommodated in the sleeve and at least two branches connected to the sleeve, which base has a flow profile that extends between the two branches. The base is made up of at least two separate base parts that are permanently fixed to one another at their edges facing one another, such as by welding, fusing, gluing and the like.

Abstract: A snow guard and a method of attaching a snow guard to a seam of a metal roof wherein the snow guard includes a base having a first side wall, a second side wall, and a top wall that define a seam receiving channel. The first side wall is provided with at least one opening. The second side wall has at least one fixed projection extending from the second side wall into the seam receiving channel and toward the opening. At least one moveable fastener extends through the opening into the seam receiving channel and toward the projection, and a blade is attached to a base receiving end of the base.

Abstract: A device for roof structures having a ridge or hip defined by the planes of two roof decks, disposed at an angle with respect to each other defining a longitudinal joint. A longitudinally extending cover with at least one coextensive channel defined by a bottom, two spacer walls and two lateral walls are mounted over the ridge or hip. The channel(s) increases the effective contact area to enhance the gripping action of the adhesive compound. From the longitudinal bends of the cover wall extend two perpendicularly extending walls with distal ends that continue with longitudinally coextensive flanges. The longitudinal flanges extend at an angle to be cooperatively and rigidly mounted over the roof decks with mechanical fasteners. An adhesive compound is positioned in the channel and over the cover.

Abstract: A portable flooring system has one or more hinge members which can be used to quickly connect and secure panels or slats of the flooring system for deployment, while also allowing fast disassembly and stacking for storage or transport. The hinge member(s) can comprise a living hinge element interfacing with a pair of female elements or a female element and a male element of adjoining flooring slats. In one embodiment, the hinge elements are welded or otherwise permanently affixed to the flooring panels.

Abstract: The present invention sets forth a tile and strut construction system for a geodesic dome. The tile has a generally triangular shape, with the corners cut out to accommodate hubs which retain supporting struts in position. The tile has a faceted 3-dimensional upper surface, integrally molded reinforcing ribs, a recess in the lower surface at each of its 3 edges.

Abstract: An elongated edging assembly for holding landscaping and/or paving materials and the like in place in a predetermined location. The assembly may be made up of first and second elongated edger members which each include an elongated upright material retaining plate and a connector located adjacent an end of the corresponding member. The connectors desirably include respective mating interengageable components located on the plates near the ends thereof. The components are configured and adapted to cooperate to interconnect the members and maintain the ends of the respective plates in substantial abutting relationship with the plates in substantial alignment. The members may ideally be arranged as a neat packet of related objects including a pair of elongated members configured, arranged, aligned and joined together so as to present a single elongated construct having an open interior. At least one accessory item for said members is arranged within the open interior.

Abstract: A mast section for a telescoping tower system is made by aligning press brake tools along the length of the metal sheet at spaced width locations and forming the corners of the tube. After forming of the last corner, an opening remains along the length of the tube. The press brake male tool axis is offset sufficiently to permit the tool to apply forming force to the last corner of the tube through the opening, and is sized to remove the tool from the opening. At least three mast sections are nested to form the tower system. Pulleys for a cable extension system are mounted near the upper and lower ends of a wall of an intermediate mast section, with one of the pulleys being oriented at an acute angle to the mast section wall to permit routing of the cable.

Abstract: An apparatus for bracing a masonry wall that is bowing or has begun to buckle as a result of hydrostatic pressure and/or other forces as may occur with the foundation or basement wall of a building. The wall restraint system includes a vertically disposed beam, which is positioned against a vertical concrete masonry wall and secured in place by a bottom bracket and a top bracket. The beam reinforces the wall and prevents further bowing, buckling, or potentially collapsing of the wall. One end of the beam is secured to the floor by a bottom bracket. The bottom bracket preferably receives the lower end of the beam. The upper end of the beam is secured against the basement wall by a top bracket or offset connector, which in turn is secured to one of the overhead floor joists. The beam may be offset to avoid piping or the like.

Abstract: The invention is a damper and a method for protecting buildings and similar structural systems from dynamic loading such as loading caused by earthquakes, strong winds or machine vibrations. More specifically, the damper is made from structural members being interconnected in frictional or visco-elastically dampened rotational joints. Due to the dampening of the joints, relative movement between the structural elements is dampened. In particular, the damper is useful for base isolation, e.g., in order to allow a building or a machine to move in a dampened movement relative to its foundation or in order to allow a cable stay of a cable stay bridge to move in a dampened movement relative to its fixation point on the bridge.

Abstract: The invention relates to a system (1) comprising a glazing element (2) and a gas supply device (4), whereby the glazing element (2) has at least two substrates (18, 19), which enclose a space (3), and at least one gas of a defined composition located inside the space (3). A coating whose physical properties, in particular, optical and/or electrical properties, which can be altered according to the composition of the gas, is at least applied to one of the surfaces of a substrate (18, 19), said surfaces facing the space (3). The gas supply device (4) has at least one electrolysis device that has a working electrode (9), a counter electrode (10) and at least one electrolyte (17) for producing gas. The glazing element (2) and the gas supply device (4) are connected to one another whereby enabling the gas inside a closed circuit (6) to be guided between the glazing element (2) and the gas supply device (4). In addition, means for influencing the moisture content of the gas are placed inside the system.

Abstract: In one embodiment, a photovoltaic frame assembly comprises a photovoltaic module and a frame having a plurality of air vents. The air vents allow air to flow into the frame and thereby cool the photovoltaic module. The frame may be installed in-line with another such frame to allow air flow between frames. The air vents may be located within a perimeter of the frame to allow for structural integrity while remaining aesthetically pleasing. The frame may include an inner lip, an outer lip, or both to provide different mounting options to accommodate different sites. The frame may comprise a plurality of frame members, such as extrusions including the air vents.

Abstract: A roof vent is provide. The roof vent comprises a top component coupled to a bottom component. The top component has a top wall, a side wall, a first louvered region disposed between said top wall and said side wall, and a top cylindrical baffle located inwardly of said first louvered region. The bottom component has at least a first cylindrical collar sized and shaped for mounting to a cylindrical exhaust stack of a first diameter, a second louvered region, and a bottom cylindrical baffle located below and inwardly of the top cylindrical baffle. The first louvered and second louvered regions are for helping to prevent insects, and moisture, such as snow and rain, from entering the roof vent. The top component may also be used separately from the bottom component to cover over aging or aesthetically unpleasing passive pot vents.

Abstract: A modular in-wall medical services unit for medical care facilities. A frame supports a cabinet with a cover panel providing electrical and/or gas outlets. Built-in electrical and gas conduits are included. A junction box and ends of the gas conduits near the top of the frame are accessible after wallboard is applied. Thus, wallboard can be installed before or after wiring is completed and gas connections are made. The self-aligning cover panel is “floatingly” supported on the frame so that a bead of sealant can be applied around the edge before the cover panel is “snugged up” to the wall and secured. The trim flanges on the cover panel include vertical equipment mounting tracks. Manufacturing is simplified by making the height of the frame adjustable; the same frame elements can be used to assemble units for different ceiling heights, decreasing the number of required parts in inventory and expediting assembly.

Abstract: A storm panel is provided for shielding a structure. The storm panel includes at least one corrugation, and comprises a first wall and a second wall disposed in spaced-apart relation. An angled wall is disposed between and connected to the first wall and the second wall to support the second wall away from the first wall. At least one ridge is disposed proximate the point of connection between the second wall and the angled wall, and may have a shape configured to strengthen the panel proximate the point of connection between the second wall and the angled wall. In addition, a storm panel assembly is provided comprising at least one storm panel and a mounting extrusion for attachment to the storm panel to provide support for the storm panel on a mounting surface, such as the side of a building.

Abstract: An apparatus for covering an opening of a building comprising a plurality of rectangular panels. The panels are sized such that when they are stacked for storage, the panels nest together.

Abstract: The invention generally relates to an apparatus for securing a piece of glass that has been covered substantially on one face with a window film within a frame by utilizing plurality of extruded window bolsters to secure the film to the frame without frame modification or alteration.

Abstract: A sill flashing and method for installing a window or other portal in a wall opening are provided. The flashing includes a sill portion, at least one jamb portion at an angle relative to the sill portion, and a front face plate. The flashing is configured to be disposed in the opening with the sill portion disposed against a sill of the opening, an outer surface of the jamb portion disposed against one of the jambs of the opening, and a front face plate at an outer surface of the wall. The sill portion defines a plurality of support portions and a rear dam which can support the portal in the opening. The sill portion also includes one or more integral housing, configured to overlap an adjacent support portion when the flashing is cut and disposed multiple parts defining an interface therebetween.

Abstract: A vent pipe covering system for efficiently forming a seal between a vent pipe structure and a supporting structure. The vent pipe covering system generally includes a base, a body extending from the base and a coupler extending from the body opposite the base. The base includes a first opening and the body includes a passageway, wherein the passageway longitudinally extends through the body and interconnects with the first opening. The coupler includes a retaining cavity to extend over an outermost end of a pipe extending through the passageway and the first opening, wherein the body and passageway may expand and retract to accommodate various length pipes via an expandable portion of the body.

Abstract: The present invention describes a fire stop system for wall board construction. The patent addresses the problem of a gap between the head of a wall and a metal fluted deck. Described here-in is a fire resistance assembly made of multiple components of: a fire stop panel and a mounting channel. The fire stop panel or wall has a wallboard geometry manufactured to match the contour shape of a metal fluted deck in a “cookie cutter” fashion. This provides the advantages of saving time and material of wallboard construction, with a product that is novel, simple, and easy to manufacture and implement. The mounting channel of the fire stop system provides for an effective way to provide compliance of the stresses from the roofing/ceiling deck's stresses, easy assembly of the fire stop system, while allowing for a meeting of the fire safety rating.

Abstract: The invention relates to a system for laying and mechanically joining building panels, especially thin, hard, floating floors. Adjacent joint edges (3, 4) of two panels (1, 2) engage each other to provide a first mechanical connection locking the joint edges (3, 4) in a first direction (D1) perpendicular to the principal plane of the panels. In each joint, there is further provided a strip (6) which is integrated with one joint edge (3) and which projects behind the other joint edge (4). The strip (6) has an upwardly protruding locking element (8) engaging in a locking groove (14) in the rear side (16) of the other joint edge (4) to form a second mechanical connection locking the panels (1, 2) in a second direction (D2) parallel to the principal plane of the panels and at right angles to the joint. Both the first and the second mechanical connection allow mutual displacement of joined panels (1, 2) in the direction of the joint.

Abstract: A method and an apparatus for continuously producing elongated siding panels is disclosed. The apparatus includes a conveyor, a plurality of mold plates, and a die for extruding a sheet of material onto the mold plates. The mold plates are formed of a rigid material and positioned adjacent one another and supported by the conveyor for forming the elongated siding panels. Each of the mold plates has an upper edge portion and a lower edge portion with an intermediate portion therebetween. The intermediate portion has an aesthetic pattern for imparting the pattern to the sheet of material with the adjacent mold plates having different aesthetic patterns. The lower edge portion has a lower leg extending substantially perpendicular from the intermediate portion defining a horizontal plane and a projection portion between the lower edge portion and the intermediate portion extends beyond the horizontal plane for imparting a jagged pattern to the intermediate portion.

Abstract: A system for decoratively covering a support surface is provided. The system comprises a plurality of panels. Each panel includes a top, a bottom, and first and second ends. Each panel includes a nailing hem for mounting the panel to the support surface. Each panel also includes first and second rows of decorative portions simulating building materials. A riser interconnects the first and second rows. Each panel further includes a flap extending from the riser at the first end and a catch extending from the riser at the second end. The flap and catch mate with a corresponding catch and flap of horizontally adjacent panels. The flap and catch are both sloped upwardly toward the top at an acute angle to provide a mating fit between corresponding flaps and catches.

Abstract: In a first aspect, a plurality of slab bolster elements, each including a bolster frame member having a male connector disposed on a first end and a female connector disposed on an opposite end, with the male connector including first and second outer prongs for engaging a complementary female connector and the female connector including first and second opposing side walls with first and second transverse slats extending between the side walls so as to form a socket, the male connector further including a flexible prong extending inwardly between the outer prongs, with the flexible prong including a free inward end and a wedge element configured to resiliently contact and lockingly engage the first transverse slat of another of the plurality of slab bolster elements. In a second aspect, a continuous slab bolster assembly.

Abstract: A sill assembly includes an integral sill assembly having a sill base and an inclined threshold. The sill base is overmolded in an injection molding process onto the inclined threshold. A rail assembly is adjustably secured to the sill base.

Abstract: Disclosed herein is a portable panel having numerous favorable characteristics. The panel comprises a core having a length, a width, a first side and a second side. A first fiber layer is attached to the first side while a second fiber layer is attached to the second side. A first polyurethane layer is impregnated in the first fiber layer while a second polyurethane layer is impregnated into the second fiber layer. A first skin is attached to the first polyurethane layer while a second skin is attached to the second polyurethane layer. The panel can be used in the manufacture of tables, flooring, risers, stages, bleachers, and the like.

Abstract: A door is constructed with a separate member joined to the door edge by a tongue-and-groove coupling and screws so as to be readily removable and replaceable. The separate member sustains the impacts imparted to the door by carts or wagons pushed past the door and can be readily replaced when damaged, thus avoiding replacement of the entire door. A flexible cover snaps over the outer surface of the separate member to add impact resistance and aesthetic appeal. Intumescent strips may be inserted inside or outside of the cover to enhance sealing between the door, and as adjacent door or door frame, thereby improving the fire resistance rating of the door. Accent strips or reveals of contrasting or complementary colors may be incorporated to add to the aesthetic appeal of the door. The door construction is of particular utility in schools, health care facilities and other institutions.

Abstract: The present invention relates to a method for attaching a first stud (20) against a transverse second stud (30). The respective stud(s) include(s) at least two opposite flanges (5). A connector piece (40) is brought to extend at said first stud (20) into a longitudinal groove which is arranged at a flange inner side (6), whereby an outer locking end (42) arranged at said connector piece is brought into a locking engagement with a corresponding groove (12) in the other stud (30). The present invention also relates to a stud (20, 30) which includes opposite flanges (5) and a first longitudinal groove between said flanges. An additional longitudinal groove (12) extends in into the respective flange (5) and defines a retaining edge (14) for a connector piece (40) which extends in the groove. The present invention further relates to a connector piece (40) for connecting studs (20, 30).

Abstract: This invention overcomes the disadvantages of the prior art by providing a system and method for inserting contents into envelopes that generally reduces the number of operative device components, locates all components in a readily and accessible location, reduces the number of adjustments needed to change envelope size and contents size, provides an efficient and aesthetically pleasing design, allows for a highly flexible arrangement of backup hoppers to primary hoppers for feeding envelope contents and otherwise affords a substantial number of improvements over currently available envelope inserters.

Abstract: A stretch wrap machine for wrapping a product comprising a base, a turn table on the base for rotating the product, a source of stretch wrap connected to the base, and a wrapping assembly configured to bring an end of the stretch wrap above the product, cut the stretch wrap at a position above the product after the product has been wrapped and/or hold an end of the stretch wrap at a position above the product as the turntable begins rotating the product.

Abstract: A sealing heater for heat sealing a film onto a multi-compartment container comprises a heating block having a contact surface. The contact surface includes an outer sealing portion and an intermediate sealing portion. The outer sealing seals a film to a perimeter surface of a multi-compartment tray and the intermediate sealing portion seals a film to substantially all of an intermediate surface between the compartments of the multi-compartment tray. The outer sealing portion and the intermediate sealing portion defining recess perimeters in the contact surface that are positioned to correspond substantially to the compartment perimeters in the multi-compartment tray. A heating element is disposed within the heating block for generating heat at the contact surface of the heating block sufficient to heat seal the sealing film to the perimeter surface and the intermediate surface between the compartments of the multi-compartment tray.

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: An automated operation application module for a packaging machine comprises a frame, a suspension joined to the frame for rolls of packaging material, and a pre-unwinding unit for supplying the packaging material to the film storage unit. The application module has a film storage unit joined to the frame, a sealing station joined to the frame, a film pre-drawing unit joined to the frame for supplying the packaging material to the sealing station, and a film-forwarding unit joined to the frame for forwarding the processed packaging material to a packaging machine.

Abstract: A method and apparatus for blocking a bar code in a package includes a carrier with a plurality of apertures and an opaque section. The carrier is engaged with a plurality of containers so that a bar code on each container is rotationally oriented toward a center of the resulting package and is blocked by adjacent containers and/or the opaque section of the carrier from a bar code scanner.

Abstract: An antenna packaging method is provided. First, a first dish, a second dish, a third dish, a first bracket, a second bracket, a third bracket, a first arm, a second arm and a third arm are provided, wherein each of the first, second and third dishes has a central area. Then, a packaging unit is provided. Next, the first dish, the second dish and the third dish overlap with other. Then, the packaging unit is fixed to the first dish, the second dish and the third dish. Next, the first arm, the second arm and the third arm are fixed to the packaging unit. Finally, the first bracket, the second bracket and the third bracket are fixed to the packaging unit, wherein the first bracket, the second bracket and the third bracket correspond to the central area.

Abstract: The method is used for handing a gas turbine engine during packaging. The method comprises receiving the engine at a handling apparatus pivotally secured to the floor, removably connecting the engine to the handling apparatus, pivoting the engine while supported on the handling apparatus, lowering the engine into a container, and then removably connecting the engine to the container.

Abstract: The invention relates to a horse snaffle bit with two lateral parts and a shackle, which is situated between these parts and comprises at least one joint and two lateral sections, each lateral section having an end located a distance from the joint and a borehole is made in these distal ends of the lateral sections to accommodate one of the parts in a manner that enables them to move freely. Additionally, each lateral section has a first surface area and a second surface area; the first surface area has a matte surface and extends from the joint to a distance of at least 20% and no greater than 50% of the overall length of the lateral section from the joint, and the second surface area has a high-lustrous surface and is connected to the first surface area and extends to the distal end of the lateral section.

Abstract: A rotary mower apparatus comprising a mower deck and two wings, with a plurality of rear wheels mounted behind the mower decks and at least two front wheels mounted ahead of the mower decks such that the mower decks ride along the ground; a floating hitch member is pivotally attached about a vertical and horizontal hitch axes to the front end of the central mower deck and pivotally attached at an opposite end to a tractor allowing the mower decks to float independently. The hitch member contains a mower angle control comprising a bell crank and a hydraulic actuator fixedly attached to a vertical shaft; and a driveline comprising gearboxes, drive shafts, universal joints, and double universal joints arranged such that the mower angle control can pivot the hitch about the vertical hitch axis moving the mower from a minimum offset position to the maximum offset position.

Abstract: A height adjuster for a grass grooming reel used on a mower includes a rod secured to the bellcrank support(s) which carry the grooming reel. A driver used for a fine adjustment has a screw thread connection to the top of the rod. The driver sits atop a rotary knob having a cam connection to the frame of the mower. The knob effects a quick up/quick down adjustment of the grooming reel between a raised transport position and a lowered grooming position. The knob includes a pointer or finger that points upwardly away from the ground when the grooming reel is in its raised transport position and points downwardly towards the ground when the grooming reel is in its lowered grooming position.

Abstract: A lawn mower blade assembly for a rotatable driveshaft includes a blade mount to be secured to the rotatable driveshaft and a cutting blade removably coupled to the blade mount and defining therewith a blade base unit having at least one wedge surface thereon. At least one sliding retainer removably couples the cutting blade to the blade mount and is slidably movable between a locked position and a released position. The at least one sliding retainer has at least one wedge surface thereon cooperating with the at least one wedge surface of the blade base unit to securely couple the cutting blade to the blade mount when in the locked position.

Abstract: The present disclosed invention relates to a quick switching mechanism for the side discharge unit and the chopper unit of a lawn mower: a side discharge unit and a chopper unit are mounted at the grass outlet on a cutting platform; wherein, the side discharge unit comprises a grass discharging gear shaft, a grass discharging hood mounted on the grass discharging gear shaft; the grass chopper unit comprises a grass chopping gear shaft, a grass chopping closing plate mounted on the grass chopping gear shaft; the small gear on the grass discharging gear shaft is engaged to the big gear on the grass chopping gear shaft; a guy wire is mounted on the cutting platform, and is connected to a rotary arm mounted on one end of the grass chopping gear shaft. In the invention, the current grass discharging hood is kept, and therefore the safety of grass discharging is not compromised; during the mowing process, when the mower runs into a place (e.g., a kerb, shrub, etc.

Abstract: An annular metal cord includes an annular core portion and an outer layer portion. The annular core portion is formed by connecting together both ends of a first strand material which is made up of six twisted first metal filaments. The outer layer portion is formed by winding spirally a second strand material which is made up of six twisted second metal filaments around the annular core portion. The second strand material is wound at a predetermined winding angle relative to a center axis of the annular core portion, and a winding initiating end portion and a winding terminating end portion are connected together. As a result, the breaking strength of the annular metal cord can be made large, and the production thereof can be facilitated.

Abstract: A manufacturing method and apparatus for producing digital yarns using hybrid metal for high speed communication, which can be connected to a network to exchange information in real time in the ubiquitous era, and digital yarns made using the method thereof. The manufacturing method and apparatus for producing digital yarns using hybrid metal for high speed communication and digital yarns thereof comprises producing a hybrid metal rod; drawing the hybrid metal rod; producing a micro filament; feeding the micro filament; softening the micro filament; forming a sliver; forming a spun yarn; winding the spun yarn; coating the spun yarn with an electromagnetic shielding resin; drying the spun yarn with the electromagnetic shielding resin; and covering the spun yarn with a textile yarn and the digital yarn made in accordance with this method.

Abstract: Larger pre-tension is applied to each link such that residual compressive stress is larger at the portion of the link facing the inside of a chain than the outside. Assuming that for each of the links in a state that pre-tension is not applied, a predetermined pitch is P, a first inclination angle of a fixing portion of the front inserting portion with respect to a chain proceeding direction is ?, and a second inclination angle of a fixing portion of the rear inserting portion with respect to a chain proceeding direction is ?, when the pre-tension is applied to each of the links, the pitch changes into P+?P, the first inclination angle changes into ???? and the second inclination angle changes into ?+?? where ?P>0, ??>0, and ??>0.

Abstract: A recuperator for use in transferring heat from gas turbine exhaust gases to compressed air inlet gases before combustion. The recuperator utilizes a plurality (e.g., thousands) of microtubes or microchannels to form a heat exchanger having high effectiveness and low pressure drop while maintaining a low weight. Accordingly, the recuperator presented herein may be incorporated into light aircraft and helicopters without significantly compromising the performance thereof.

Abstract: A method of operating an exhaust nozzle assembly includes translating a translatable structure between a plurality of operational positions to open and close a flow diverting port extending in an exhaust duct. The longitudinal position of a throat constriction varies with translation of the translatable structure. Additionally, the cross-sectional area of the exhaust duct at the throat constriction may vary with translation of the translatable structure. An exemplary exhaust nozzle is operable in-flight for providing at least partial reverse thrust to at least partly control the velocity of an aircraft. An exemplary exhaust nozzle is operable on the ground to spoil ground idle thrust.

Abstract: The invention concerns a system for evaluation regeneration of pollution management means (1) integrated in an exhaust line (2) of a motor vehicle engine, characterized in that it comprises means (4) for determining the thermal power input by the exhaust gas upstream of the pollution management means during the regeneration phase thereof and means (4) for comparing said power to threshold values (Sb, Sh) to determine a partial or total failure of regenerating said means.

Abstract: A control device of an exhaust purification device is provided with a plurality of addition valves that supply an additive pressure-fed from a pump, to exhaust purification catalysts separately from each other. As for addition valves constituting the plurality of addition valves the addition period of at least one addition valve is set so as to be different from the addition period of another addition valve.

Abstract: A procedure to operate a metering device of an exhaust gas emission control system of an internal combustion engine and a device to implement the procedure are proposed. At least one component in an exhaust gas emission control configuration of the exhaust gas emission control system requires at least in certain operating conditions a reagent substance, which the metering device provides, in which a connecting line is disposed. After the emergence of a metering demand signal a reagent substance rate-set point is established. The reagent substance rate-set point is either established immediately when the metering demand signal occurs and subsequently no longer changed until the connecting line is filled with the reagent substance; or the reagent substance rate-set point is only then established if the connecting line is filled with the reagent substance. An overdose of the reagent substance is avoided with the procedural approach according to the invention.

Abstract: A method and device for treating exhaust gases of an internal combustion engine with a reducing agent introduced into the exhaust gases. The reducing agent is pumped out of a reactant reservoir and to a dosing valve so that after the dosing valve is opened, the reducing agent can be introduced into the engine's exhaust gas line in a dosed manner. Reducing agent can be conveyed back from the delivery device to the reservoir via a return line. The reducing agent can circulate between the delivery device and the reactant reservoir thereby, particularly when the dosing valve is closed, preventing the reactant from freezing.