Abstract: The present invention relates to a new floor or wall panel with improved coupling means and is aimed at offering a solution for the drawbacks of the “fall down” joining system.

Abstract: A three-dimensional parking garage has a three-dimensional frame and multiple vehicle carriers. Each vehicle carrier has a bottom frame, and the three-dimensional frame comprises a front transverse beam, multiple front columns, multiple longitudinal crossbeams, and multiple rear columns; each front transverse beam, front column, longitudinal crossbeam, and rear columns are formed by two nested components; the vehicle carrier further has an accessorial frame, a first vehicle plate and a second vehicle plate. The frame of the three-dimensional parking garage can adopt thinner plates as raw materials. The vehicle plate used for vehicle parking of the parking garage is disposed between the side beam of the bottom frame and the accessorial frame, and the accessorial frame with a smaller span length, so the material is thinner and steel with 1.6 mm thickness can be used, and the materials can be significantly saved and costs can be greatly reduced.

Abstract: A square shaped lightweight steel component with reinforced members includes a main body structure (1) and reinforced members (2). The main body structure (1) is a square steel tube integrally molded by a steel plate with certain thickness. One side of the square steel tube is provided with an opening. Angular curled edges (5) are respectively set on two sides of the opening. The reinforced members (2) are fixedly connected with the side of the main body structure (1) having the opening and installed with an interval therebetween.

Abstract: A moulding for a vehicle includes a moulding body made of resin formed in an elongated form and a moulding end cap made of a resin material different from the resin the moulding body is made of. The moulding end cap is provided with a cap portion that covers an end surface in the longitudinal direction of the moulding body by arranging the cap portion in contact with the end surface in the longitudinal direction of the moulding body and a cap retaining portion that connects to the cap portion and extends therefrom such that the cap retaining portion faces an inner surface of the moulding body along the longitudinal direction of the moulding body. The cap retaining portion is provided with an embedded portion embedded in the moulding body from the direction of the inner surface of the moulding body, embedded by ultrasonic welding.

Abstract: In the method for sealing of replacement windows a sealing tape with a first layer of flexible foam and a second layer of stiff material is inserted into a channel-shaped recess in masonry so that the first layer of the sealing tape is oriented toward the bottom of the recess and is at least partially compressed. The expansion of the first layer is temporarily limited by clamping the second layer directly or indirectly against the side walls of the recess, or by use of retaining elements, which exert a retaining function on the second layer. A window frame is installed in an area of the recess during the temporary limitation of the expansion of the first layer of the sealing tape, whereupon the first layer expands further or is allowed to expand further until the sealing tape rests against the window frame.

Abstract: A seal head used on a side beam of a vehicle carrier includes a main plane covering the front surface of the side beam, a side plane connected to the main plane to cover the inclined surface of the side beam, a first baffle plane and a second baffle plane covering the edges of the side beam, and the main plane, side plane, first baffle plane and second baffle plane form a semi-enclosed cavity for receiving the side beam. The baffle planes can be fixed against the corresponding edges of the side beam to achieve reliable fixed positions and connections, increasing the shock resistance rigidity and strength of the front surface of the side beam and easy installation and disassembly for seal head. The main plane, the side plane and the baffle plane are in an integrally molded piece to improve the rigidity and strength of side beam.

Abstract: An apparatus for forming elongate plastic film into a tube around variable size articles includes a conveyor and a forming collar positioned over the conveyor. The forming collar includes left and right sections pivotally supported on a common carrier and moveable relative to the conveyor. The carrier is also moveable relative to the conveyor. The plastic film tube is formed by directing the central film area onto the conveyor, the left film side onto the inside surface of the left collar section and the right film side onto the inside surface of the right collar section. Movement of the forming collar left and right sections about their pivotal supports and/or movement of the carrier cause the forming collar sections to move between retracted and expanded positions for thereby forming a variable size plastic tube corresponding to the article size being received therein.

Abstract: A joining apparatus and methods wherein, after plastic film is formed into a variable size tube for receiving therein and enveloping corresponding variable size large articles such as bales of cotton, trash, cloth, etc., the joining apparatus joins an overlap region of the plastic film tube for effectively sealing and creating the plastic film tube. The joining apparatus includes an inner shoe located inside the formed tube. The overlap region slides over the inside shoe as the tube is formed. An outside shoe is moveable between an idle position away from and an operative position adjacent to the inside shoe. When in its operative position, the overlap region is sandwiched between the outside and inside shoes and heated air is provided under pressure through a groove on the outside shoe and onto the overlap region for effectively heating and joining the overlapped plastic sheets.

Abstract: An appliance for dispensing, forming and vacuum packaging a container is provided including a base, a vacuum motor disposed in the base, a vacuum sealing compartment formed in the base including a vacuum trough fluidly connected to the vacuum motor, a sealing element disposed in the vacuum sealing compartment adjacent the vacuum trough, and a bag roll storage compartment formed in the base vertically disposed above the vacuum sealing compartment. At least one section of the container material may be dispensed from the storage compartment and cut from the roll of container material and sealed on a first free end with the sealing element to form an unsealed container. The unsealed container may then be evacuated by the vacuum motor through a second free end inserted into the vacuum trough and/or sealed on the second free end with the sealing element to form a hermetically sealed container.

Abstract: A foil cartridge is disclosed. The foil cartridge has a foil tube enclosing at least one chamber in the circumferential direction and a cover separate from the foil tube. The cover closes an axial end of the foil tube. At least one first opening is configured in the cover for each chamber, through which opening the chamber may be filled with a filling material. A closure is provided, which seals the first opening. To produce the foil cartridge, the chamber is established by connecting the cover with the foil tube. Then the chamber is filled with a filling material through the first opening in the cover and the first opening is sealed.

Abstract: The present invention describes in particular a method for stabilizing a pharmaceutical composition by contacting said composition with a polymeric material comprising in particular an ethylene oxide sterilization step.

Abstract: A method of making a packaged dressing involves coating a pattern of detachable high tack pressure sensitive adhesive on a cover material such that the cover material includes a tackless area; forming a release island on a backing material; and sandwiching a dressing between the cover material and the backing material such that the adhesive on the dressing abuts the release island, and the pattern of adhesive on the cover material adheres to and supports the dressing along its extent except for the portion overlying the tackless area and hermetically seals the dressing within the package.

Abstract: The presently disclosed and claimed inventive concept(s) relates generally to packaging materials for packaging articles. The packaging materials may include a substratum with a printed pattern disposed thereon that provides a grass-like appearance, and/or the packaging materials may include a plurality of individual strips, strands, or units of material bondably connected thereto.

Abstract: The present disclosure is directed to processes for manufacturing internally pierced shaped articles for unit-dose packaging with at least one formed recess (e.g., a blister), in particular for unit-dose packaging of pharmaceutical dosage forms. In certain embodiments, the first step of the process is directed to drawing the film material (e.g., metal-plastic foil) with one or more plungers to form a primary contour, the contour having a depth of at least 100% and up to 150% of the depth of the formed recess. The second stage involves shaping the primary contour with one or more plunger(s) to the desired formed recess, with a depth that is less than the depth of the primary contour, while substantially maintaining the surface area of the primary contour formed in the first stage. The formed recess may be formed using warm-forming or cold-forming techniques. The third stage involves the automatic placing of an internal piercing device stably into the shaped article.

Abstract: A pharmacy container comprises a bottle and a ring. The bottle includes a body defining a storage chamber, a neck extending away from the body and defining an opening opposite and providing access to the body, and a pair of opposed ledges each extending radially outwardly from the neck and spaced from the body. The neck includes threads extending around an outside surface of the neck, and the pair of opposed ledges are positioned between the body and the threads. The ring defines an interior wall, an exterior wall, and a pair of opposed indentations radially extending through the interior wall toward the exterior wall. The ring is positioned around the neck with the pair of opposed indentations positioned adjacent the pair of opposed ledges such that interaction between the pair of opposed indentations and the pair of opposed ledges maintains the ring in position relative to the bottle.

Abstract: A system and method for activating a series of article protection features formed in product cartons in which a series of articles have been packaged includes an actuating assembly mounted along a path of travel for the cartons. The actuating assembly will include a series of actuating elements that are selectively moved into engagement with the article protection features of the cartons. The article protection features are urged into the cartons, between the articles therein and into positions engaging and supporting the articles.

Abstract: A packaging system and associated method for use with a pharmaceutical dispenser provides a turnkey solution for packaging pharmaceutical products such as solid medications and nutritional supplements to be taken orally in health care settings, including but not limited to long term care (LTC) and assisted living settings. An overall pharmacy system and methodology begins with bulk medications and supplements introduced into the work flow, individually packaged and assembled into medpass orders per patient and delivered to the LTC facility or other institution for patient consumption. The process begins by converting bulk medications and supplements to packaged unit doses and ultimately individually packaged medpass bags for each patient on a 24-hour schedule. The design of the overall system and its individual components allows for physical control of each unit dose package from start to finish without any unit dose package “free fall” in the system.

Abstract: An apparatus for unfolding folded plastic film having a first side joined to a second side along a longitudinal folded edge for use in forming a packaging tube. The folded film travels through a slot and the folded sides are separated at their respective outer longitudinal edges. The longitudinal left side is conveyed toward and over a guide plate left side edge and then over a left form tube section. The longitudinal right side is conveyed toward and over a guide plate right side edge and then over a right form tube section. The longitudinal middle section including the longitudinal folded edge and part of both the first and second sides adjacent the longitudinal folded edge is conveyed toward and over guide plate angular edges and then onto a carrying surface.

Abstract: An apparatus for forming flexible containers from a film web, dispensing fluid into the containers, and enclosing the fluid within the containers. The film web comprises a pair of juxtaposed film plies, a closed longitudinal edge at which the plies are joined, and an open longitudinal edge at which the plies are not joined.

Abstract: An exhaust gas emission control system includes a cylindrical inflow body and an inflow pipe into which exhaust gas flows. The exhaust gas emission control system also includes a cylindrical outflow body and an outflow pipe from which the exhaust gas flows. The inflow pipe is provided with a louver member that covers an opening of the inflow body near an upstream side of an exhaust gas flow direction. The louver member is provided with slits and inclined plates capable of changing a flow direction of the exhaust gas passing through the slits into a desired direction.

Abstract: A spring loaded filter clamping frame includes a rear frame section which defines an interior space to secure a filter element. The rear frame section includes a projection extending toward the interior space and a rear latch mechanism. A front frame section defines an interior space and is slidably engaged with the rear frame section. An aperture in the front frame section interacts with the projection. A front latch mechanism with a latch mechanism biasing member interacts with the rear latch mechanism. A frame biasing member is located between the rear frame section and the front frame section. The frame biasing member applies a force urging the rear frame section and the front frame section apart, resulting in a filter clamping frame. In further examples, the frame biasing member is a coil spring and the latch mechanisms are hooks.

Abstract: In one aspect a method of forming filter cartridge arrangements for use in air cleaners is provided. The method involves coiling a media pack with a central winding bead and cutting through the winding bead in the coiled media pack to form two media packs. An example filter arrangement is disclosed. In another aspect, a filter cartridge arrangement for use in air cleaners is provided. The filter cartridge arrangement includes a media pack including a plurality of inlet flutes and outlet flutes extending between first and second opposite flow faces and formed from an arrangement of facing sheet secured to corrugated sheet. An example cartridge includes a preform secured to the media pack.

Abstract: Different forms of filter systems may be provided to accommodate attaching different types of radiator pumps. A user may easily insert and/or remove a filter from each filter system, such as for cleaning or replacement, thereby minimizing downtime as well as the possibility of overheating. Removable radiator bracket filter systems may be provided in three styles—old, new and combo. In the old style, receiving portions (or panels) may each include two tabs having apertures for connecting the filter system to a pump. In the new style, the top and bottom portions may each include two tabs having apertures for connecting the filter system to a pump. In the combo style, receiving portions as well as top and bottom portions forming a frame each may include two tabs having apertures.

Abstract: A filter medium includes a porous film and a support material supporting the porous film. The porous film includes polytetrafluoroethylene, has an average pore diameter of at least 2.5 ?m, and has a porosity of at least 95%. A pressure loss is less than 100 Pa when air is passed through the filter medium at a velocity of 5.3 cm/sec. A collection efficiency of NaCl particles is at least 95% when air including NaCl particles with a particle diameter of 0.3 ?m is passed through the filter medium at a velocity of 5.3 cm/sec. A PF value is at least 30, where PF={?log [(100?collection efficiency (%))/100]/pressure loss (Pa)}×1000. A dust holding capacity of polyalphaolefin particles held in the filter medium is at least 15 g/m2 when air including polyalphaolefin particles with a count median diameter of 0.25 ?m is continuously passed through the filter medium at a velocity of 5.3 cm/sec and pressure loss reaches 300 Pa.

Abstract: A filter arrangement includes a media construction comprising a corrugated sheet secured to a flat sheet rolled into a coiled construction. A frame and a first seal member are provided. The frame secures the first seal member to the coiled construction. The first seal member is preferably oriented to form a radial seal with a housing. A second seal member is secured to the outer annular surface of the coiled construction. The second seal member includes a gasket extension having first and second opposite ends; an attachment portion; and a protrusion extending from the attachment portion. The second seal member is preferably oriented to form an axial seal with a housing. Air cleaners preferably utilizing filter arrangements as described herein operably installed within housings. Methods of installing, filtering, assembling, and servicing preferably include arrangements as described herein.

Abstract: To achieve a particular price point and/or to utilize a particular engine, riding lawn mowers may be configured with reduced size, weight, and/or power requirements, in order. A riding lawn mower may comprise a cutting deck coupled to a cutting blade, and an internal combustion engine having a displacement of less than 225 cubic centimeters. The internal combustion engine may be coupled to the cutting blade via a friction drive, wherein the friction drive is configured with a neutral bearing in order to reduce flat spotting of components of the friction drive.

Abstract: To achieve a particular price point and/or to utilize a particular engine, riding lawn mowers may be configured with reduced size, weight, and/or power requirements, in order. A riding lawn mower may comprise a cutting deck coupled to a cutting blade, and an internal combustion engine having a displacement of less than 225 cubic centimeters. The internal combustion engine may be coupled to the cutting blade via a friction drive, wherein the friction drive is configured with a neutral bearing in order to reduce flat spotting of components of the friction drive.

Abstract: A draper platform (100) has a center endless belt conveyor (118) that is supported on and between first and second adjacent support arms (246A, 246B). The center endless belt conveyor (118) is releasable from a first support arm (246A) of the two adjacent support arms to pivot downward away from the first support arm of the two adjacent support arms a distance sufficient to slidably remove an endless conveyor belt (134) from the center endless belt conveyor in a direction parallel to the axes of rotation of the rolls (300, 302) that support the endless conveyor belt.

Abstract: Apparatuses and methods for changing the mode of operation for a lawnmower can include a door assembly having a shutter door pivotably movable with respect to a discharge opening of the lawnmower between a closed position in which it obstructs the discharge opening and an open position in which the discharge opening is substantially unobstructed. A handle can be positioned adjacent to an upper surface of the mower deck of the lawnmower and coupled to the shutter door, wherein the handle is pivotably movable with respect to the upper surface to cause movement of the shutter door. A locking member can be positioned between the handle and the upper surface, the locking member being movable with respect to the handle and operable to retain the handle in one of a plurality of predetermined positions corresponding to the closed positions and open position of the shutter door.

Abstract: Exemplary embodiments provide precision resistive composite members and methods for manufacturing and using them. The resistive composite member can have controllable dimensions, geometric shapes, mechanical properties and resistance values. The resistive composite member can be used for high-performance sensors or instrument probes that require, for example, high contact pressure, ultra-high frequency, and/or enable state-of-the-art digital signal transmission, characterization, or measurement. The resistive composite member can include one or more “twisted-fiber-tow” or one or more arrays of “twisted-fiber-tow” contained in a suitable non-metallic or essentially non-metallic binder material. The “twisted-fiber-tow” can further include a number of fibers that are twisted individually and/or in bundles in order to control the mechanical properties and fine-tune the resistance of the resistive composite member and thus to customize the high-performance instrument probes.

Abstract: The invention relates to a device for fixing an end-side of a flyer chain, wherein the fixing can be carried out by a clamping through the exertion of a force on partial sections of an outer circumferential surface of at least one plate-link of at least one end-side link of the flyer chain.

Abstract: Embodiments of the present disclosure include an oil degradation byproducts removal system. The oil degradation byproducts removal system includes a plurality of electrostatically-charged drum assemblies configured to pass through an oil flow. The oil degradation byproducts removal system is configured to be disposed within an accessory module of a turbine engine system.

Abstract: A system includes a mixing assembly configured to mix a liquid fuel and a water to generate a fuel mixture. The fuel mixture is configured to combust in a combustor of a gas turbine. The mixing assembly includes a liquid fuel passage disposed in an integrated housing. The liquid fuel passage is configured to flow the liquid fuel and to exclude liquid traps. The mixing assembly also includes a water passage disposed in the integrated housing. The water passage is configured to flow the water and to exclude liquid traps. The mixing assembly also includes a mixer disposed in the integrated housing and coupled to the liquid fuel passage and the water passage. The mixer is configured to mix the liquid fuel and the water to form the fuel mixture.

Abstract: A gas turbine engine includes a first and second pump driven by a spool. An Air-Oil Cooler downstream of the first pump. An air-air precooler is downstream of the second pump, the air-air precooler downstream of the Air-Oil Cooler.

Abstract: A heat recovery steam generator uses heat energy extracted from the exhaust gas of a gas turbine to produce steam. The steam is provided to steam turbines of a combined cycle power plant. Intermediate pressure steam generated by an intermediate pressure evaporator is routed to first and second intermediate pressure superheaters. Also, steam exhausted from a high pressure steam turbine of a combined cycle power plant is reheated by first and second reheaters within the heat recovery steam generator. The steam output by the intermediate pressure superheaters is provided to an interstage admission port of an intermediate pressure steam turbine, and steam output by the first and second reheaters is provided as the main input steam for the intermediate pressure steam turbine of the combined cycle power plant.

Abstract: A multi-fluid turbine engine includes a turbine, a first working fluid inlet passage, and a second working fluid inlet passage. The turbine may include a first working fluid portion and a second working fluid portion. The first working fluid passage may be configured to introduce a first working fluid to the first working fluid portion to perform work on the first working fluid portion, and the second working fluid inlet passage may be configured to introduce a second working fluid to the second working fluid portion to perform work on the second working fluid portion. The first working fluid inlet passage and the second working fluid passage may be independent of each other.

Abstract: A system for controlling an object traveling through exoatmospheric space is disclosed herein. The system includes, but is not limited to, a pressure vessel, a pair of solid propellant grains associated with the pressure vessel that is configured to direct a gas into the pressure vessel during combustion, an exhaust nozzle that is in fluid communication with the pressure vessel, and a valve that is coupled with the exhaust nozzle and that is configured to selectively obstruct the gas from venting through the exhaust nozzle.

Abstract: A ram air fan inlet housing for containing a ram air fan rotor. The inlet housing includes a flanged surface and an interior surface. The flanged surface is perpendicular to an axis of the inlet housing and defines a flange plane at an axial end of the inlet housing. The interior surface is symmetric about the axis of the inlet housing and includes a flange section, a transition section, an outlet section, a rotor section, and an inlet section.

Abstract: A diffuser for a ram air fan assembly includes a perforated cone, an inlet ring seal, and an outlet ring seal. The perforated cone has a frustoconical shape symmetrical about an axis of the diffuser. The inlet ring seal is attached to, and axially disposed about, a first end of the perforated cone. The inlet ring seal includes a fan housing connection having a cylindrical shape. The outlet ring seal is attached to, and axially disposed about, a second end of the perforated cone. An average external diameter of the second end is greater than an average external diameter of the first end such that the perforated cone extends away from the inlet ring seal and radially outward from the axis of the diffuser.

Abstract: A jet propulsion unit of an aircraft, which comprises a turbofan engine (3) faired by a nacelle (1), further comprising a thrust reverser device in two parts: one part and including a means for flowing back the air (15) towards the outside of the propulsive unit, in a first angular sector of the nacelle; one part including internal backflow means which can be removed and controlled, suitable for channeling the secondary air flow, circulating in a secondary duct between the propulsive unit and the nacelle, in a second angular sector of the nacelle such as to offset the latter angularly in the secondary duct towards some external thrust reverser means.

Abstract: A method for operating an internal combustion engine in a catalytic converter heating operation, the internal combustion engine being able to be operated in a normal operation, including the following steps: ascertaining a first exhaust gas temperature reading, which gives the exhaust gas temperature of the exhaust gas in a first catalytic converter, particularly in an oxidation catalytic converter; operating the internal combustion engine in a first operating mode, in which, in contrast to the normal operation, the exhaust gas, having an increased exhaust gas temperature, is exhausted from at least one cylinder of the internal combustion engine, as long as the first exhaust gas temperature reading has not reached a specified first temperature threshold value. This method enables a robust and simple diagnosis of the effectiveness of the catalytic converter heating operation according to the requirements of CARE Title 13 CCR Section 1968.2 Chapter.

Abstract: A method for controlling valve actuation in an engine is provided. The method includes initiating combustion operation in a first cylinder, opening, via a first cam, a first exhaust valve coupled to the first cylinder for a first opening duration. The method further includes opening, via a second cam, a second exhaust valve coupled to the first cylinder for a second opening duration not equivalent to the first opening duration.

Abstract: In a diesel engine and exhaust aftertreatment system, a controller is arranged to control operation of the engine to obtain a first set of exhaust characteristics and to control a fuel injector to inject fuel upstream of a DPF at a first rate of injection until at least one condition is attained, and, after the at least one condition is attained, to control the fuel injector so that a rate of fuel injection is reduced and to contra! operation of the engine to obtain a second set of exhaust characteristics so that regeneration of the DPF occurs. At least one characteristic of the first and second sets of characteristics beina, different. A method for treating, diesel engine exhaust is also disclosed.

Abstract: An exhaust gas treatment device for off-road applications includes a housing having a cross-sectional area and a first wall. At least one pipe extends through the first wall and has a second wall with a perforation. The exhaust gas treatment device includes, in particular, a reducing agent supply for urea and an SCR catalytic converter. A method for producing a tube with a perforation for an exhaust gas treatment device and a watercraft having at least one exhaust gas treatment device are also provided.

Abstract: A method for controlled dosing of a gas with fluctuating supply pressure (PSupply). Dosing of the gas through a valve (6) is performed while a valve (5) is closed, and the decrease in control-volume pressure (PCV) is recorded. The control-volume pressure (PCV) is raised by closing dosing valve (6) and opening the valve (5). The amount of the dosed gas is calculated based on the known volume (VCV) of the control volume (4) and at least one of the change in control-volume pressure (PCV) and control-volume temperature (TCV) in the period where valve (5) is closed. The amount of dosed gas is compared with a target or set-point to adjust or regulate the subsequent dosing period or dosing event.

Abstract: An exhaust aftertreatment system is provided. In one embodiment, the system includes a catalyst, and injector positioned upstream from the catalyst, and a fluid-spray atomizer positioned between the catalyst and the injector. The fluid-spray atomizer includes a plurality of horizontal slats, wherein each horizontal slat is a different size and a smaller horizontal slat is nested at least partially inside a larger horizontal slat.

Abstract: A delivery pump for delivering a fluid includes a delivery piston to be moved in a delivery direction from a pump inlet to a pump outlet. The delivery piston is supported in an axial bearing having a cooling device for cooling the axial bearing with the fluid. A metering device having the delivery pump and a motor vehicle having the metering device are also provided.

Abstract: A device for providing a reducing agent for an exhaust gas system includes a system heating unit for heating a reducing agent and at least one heat conduction element transmitting heat from the system heating unit to at least one of the following components: a tank, a delivery line, a filter, a pump, a valve or a sensor. A thermal heating method using a heat pipe and a motor vehicle having the device are also provided.

Abstract: An exhaust system for a in e engine comprising liquid-cooled manifold and catalytic converter assemblies. Each assembly uses a separate cooling system to cool either the exhaust manifold or a shell inside which resides the catalytic converter. The housing or shell containing the catalytic converter uses water to cool an exterior surface of a water jacket to an acceptable temperature conforming to federal regulations. The liquid-cooled manifold assembly may use either water or glycol to cool outer cooling tubes surrounding exhaust tubes extending from the engine block to the catalytic converter assembly.

Abstract: An exhaust gas heating apparatus (31) according to the present invention comprises an expansion chamber (37) having an inflow port (42) and an outflow port (43), a fuel supplying element (38) for supplying fuel into the expansion chamber, a fuel diffusing plate (39) for dispersing the fuel in the expansion chamber, and ignition means (40) for igniting the fuel in the expansion chamber, wherein an exhaust passage (28) communicated with the inflow port is connected tangentially to a circular peripheral surface (37a) of the expansion chamber, an axis (A) thereof is deviated from an axis (B) of the exhaust passage communicated with the outflow port, and the fuel diffusing plate extends along the peripheral surface of the expansion chamber from close proximity of the inflow port in such a manner as to form a partition between the inflow and outflow ports.