476 results about "Airbox" patented technology

An all terrain vehicle has a frame assembly. A pair of front wheels and a pair of rear wheels support the frame assembly. A front fender assembly extends over at least a portion of the front wheels. An engine is disposed between the front wheels and the rear wheels. The engine is water-cooled using a radiator and fan combination that is positioned forward of the engine. A belt drive forms a portion of a transmission that transfers power from the engine to at least the rear wheels. The belt drive is air cooled with air that is pulled into the belt drive by fans positioned within a belt case. The air is drawn from an air chamber formed within the front fender assembly. The chamber is positioned vertically higher than the radiator and fan combination and rearward thereof. The air passes between the chamber and the belt case through a duct. The duct extends downward and incorporates a central trap portion. The duct is positioned to lie at least partially within an area that overlaps the fan from a front elevation view. The duct also bends across a central longitudinal plane from inlet to outlet to allow a compact configuration while positioning the duct in protected regions.

A ventilation system for use with a cooking appliance to maintain an atmospheric pressure balance existing within an enclosed space surrounding the cooking appliance. A hood establishes a three-dimensional and interiorly recessed configuration and which is supported above the appliance. A filter within the hood communicates with a vacuum driven exhaust extending from the enclosed space. A supply plenum secures in downwardly and opposing fashion relative to a side of the cooking appliance. An air intake communicates the supply plenum with an exterior environment, the plenum including a perforated plate mounted to an inside face thereof in proximity to a bottom closed edge of said plenum and in order to introduce intake air to a side location of the appliance in order to equalize internal pressure and to facilitate upward movement of heated air from the appliance.

A positive displacement supercharger includes a housing defining a rotor cavity with a pair of positive displacement rotors operative to carry air axially from an inlet end to an outlet in the cavity wall near an outlet end of the cavity. The outlet communicates with an outlet plenum partially defined by the cavity wall. The cavity wall includes a stiff portion defining a plurality of lightening recesses, such as a waffle pattern, limiting distortion of the wall by pulsations in the plenum. The recesses may be time and cost efficiently converted to Helmholtz tuners by covering the recesses with a cover plate, which may be perforated to include at least one tuning opening (perforation) into each tuning chamber (recess) and forming tuning volumes of the tuning chambers and their associated tuning openings effective to attenuate selected frequencies of pulsations in the plenum and thereby reduce undesired noise emanating from the air system of the supercharger.

An area air delivery system for delivery of filtered air to an area occupiable by a user who can enter and leave the area, such as the head end of a bed, includes a canopy for at least partially surrounding the area to which air is to be supplied and defining the area which a user can enter and leave. An air diffuser positioned in the canopy includes a housing having an air impervious rear wall, air impervious side walls, and a perforated front wall forming a plenum in which a filter bag resides. The plenum is connected to a source of pressurized, preferably prefiltered, air so that pressurized air is supplied to the interior of the filter bag to diffuse through the filter bag into the plenum. Perforations in a predetermined area of the perforated front wall of the housing allow air to flow through the perforations and provide a substantially even flow of air from the perforated front wall of the diffuser into the canopy.

Air flow from the airbox (57) to the carburetor of an internal combustion engine is regulated by a plurality of valve bodies (66) fitted with rotatable lids (77) which permit infinite adjustment of air flow between a fully closed and fully open position. In an alternate embodiment, a rectangular valve is used that has a relatively lower profile and uses a sliding door (94) to permit manual adjustment of airflow to the airbox (57).

A positive displacement supercharger includes a housing defining a rotor cavity with a pair of positive displacement rotors operative to carry air axially from an inlet end to an outlet in the cavity wall near an outlet end of the cavity. The outlet communicates with an outlet plenum partially defined by the cavity wall. The cavity wall includes a stiff portion defining a plurality of lightening recesses, such as a waffle pattern, limiting distortion of the wall by pulsations in the plenum. The recesses may be time and cost efficiently converted to Helmholtz tuners by covering the recesses with a cover plate, which may be perforated to include at least one tuning opening (perforation) into each tuning chamber (recess) and forming tuning volumes of the tuning chambers and their associated tuning openings effective to attenuate selected frequencies of pulsations in the plenum and thereby reduce undesired noise emanating from the air system of the supercharger.

A bolt-on replacement intake manifold has an asymmetrical plenum with a first end including an inlet, a closed terminal end, a concave top surface and a convex bottom surface; a flange; and a plurality of runners extending from the bottom surface of the plenum and terminating at the flange. The plenum defines an interior space in flow communication with the runners. The bottom surface of the plenum is wider than the top surface. The plenum initially widens from the inlet to the first runner and then begins to narrow from the first runner toward the last runner adjacent to the closed terminal end. The runners are tapered, curved, and vary in length. The intake manifold causes air to exit each of the plurality of runners at substantially the same angle. The manifold balances airflow across each runner and increases swirl inside the cylinders enhancing fuel economy, power output, and torque.

The invention discloses a high sensitive multipath SF6 on-line leak detector, comprises a gas washing chamber which has a gas outlet connected with a solenoid valve for washing gas; a gas collecting chamber which has a gas inlet connected with the solenoid valve for washing gas and a plurality of paths of samples, wherein gas path solenoid valves are arranged on the gas path between each path of samples and the gas collecting chamber; a suction pump which has a gas inlet connected with the gas outlet of the gas collecting chamber; a sensor gas chamber which has a gas inlet and a gas outlet connected respectively with solenoid valves for sensor, wherein the solenoid valve for sensor beside the gas inlet is connected with the gas outlet of the suction pump; an exhaust gas chamber which has a gas inlet connected with the solenoid valve for sensor beside the gas inlet of the sensor gas chamber; control circuits; and a sensor which is arranged inside the sensor gas chamber. The detector of the invention detects SF6 content in a real-time way and displays detection results. Multipath gas samples can be detected at the same time without switching off equipments and the paths of gas which need to be detected can be switched based on needs freely. Cleaning can be performed to the gas path of the leak detector and detection processes of different gas paths do not interfere mutually.

The invention relates to a burner for external spiral intake volatization and atomization type parking heater with a flat cap and necking, which belongs to the field of burners. The technical scheme provided by the invention mainly adopts a compressed air chamber of an external spiral intake structure, an afterflaming barrel and a flat end cap, wherein an S-shaped diversion rib which corresponds to a compressed air outlet is fixedly arranged at the inner wall of the compressed air chamber; the afterflaming barrel is formed by stamping and drawing metal, and one end of the afterflaming barrel is contracted toward an inner plane; and one side of the flat end cap is provided with 3-5 long slant air inlets, and 5-15 auxiliary air inlets are uniformly arranged in the middle of the flat end cap. The burner has the advantages that the burner has a simple structure, a small volume and small noise, is easy to start and clean to burn, has high power density, and particularly saves the electricity quantity of an automobile storage battery; the burner stably burns and has high burning efficiency, the service life of a motor is greatly prolonged, and requirements on the automobile storage battery and the motor of a compressor are lowered; the burner can realize the common use of diesel, gasoline and kerosene, and can also be used on other heating devices except a fuel heater; and the burner has strong practicability.

The invention relates to a process for preparing carbon forming powder, in particular to a new process for preparing carbon forming powder by adopting an air swept type ball milling system. In the invention, equipment mainly comprises a raw material bin, an air swept type ball mill, a high-efficiency rotor type grader, a gas tank pulse bag type dust collector, a main exhaust fan and a finished powder bin. In the main work process of the invention, a raw material is fed and added to the air swept type ball mill through a feeder and is subjected to rough and fine powder grading through the high-efficiency rotor type grader, rough particles are returned to the ball mill for pulverizing once again, and fine particles enter the gas tank pulse bag type dust collector for collection. The invention has the technological performance advantages of high systemic force supply, low power consumption for unit product, high finished powder purity, and good uniformity and stability, and completely eliminates the phenomena of air leakage and ash flying in the traditional process because of the operation in a negative pressure state. The process is not only suitable for the optimization and technological improvement on the traditional process in the production process of the carbon forming powder, but also suitable for new projects of a carbon forming powder preparation system.

A vehicle hood assembly includes a hood support having a top section joined to left and right side sections and to a front section. An outer panel assembly includes a finished top panel mounted on the top section, a finished front panel assembly mounted on the front section, a finished left side panel mounted on the left section, and a finished right side panel mounted on the right section. Each panel and its respective section form and enclose an air space therebetween. Thus, the inner support and the air space is interposed between the finished panels and the heat from the engine. As the hood is raised, the lower portions of the side panels engage a wear strip and are deflected laterally outwardly and away from each other. As the hood is lowered, the lower portions of the side panels move past the wear strip, and they move laterally inwardly and towards each other.

A method for scavenging small particles from a turbine engine includes directing compressed air through a flowpath, downstream of a compressor, which causes a reduction in a radial flow component and the introduction of or an increase in an axial flow component of the compressed air, removing a portion of the compressed air from the flowpath and directing the portion into a scavenge plenum, the scavenge plenum being positioned adjacent to and radially outward from the flow path, and returning the portion of the compressed air from the plenum to the flowpath while maintaining a majority of the small particles that were present in the portion within the scavenge plenum. Further, the method includes removing the majority of small particles from the plenum. The step of removing occurs intermittently during engine operation, during engine shutdown, or while the engine is not operation, but does not occur continuously during engine operation.

A dual stage inflater for providing an extended flow of inflation gas to an airbag or inflatable curtain is disclosed. The inflator includes a first gas chamber having an exit orifice, the exit orifice having an open configuration and a closed configuration. Additionally, the inflator has a second gas chamber in gaseous communication with the first gas chamber. The first and second gas chambers are separated by a flow restrictor positioned between them. This restrictor controls the flow of gas out of the second gas chamber. The inflator includes an initiator in communication with the interior of one of the gas chambers that is configured to selectively initiate a flow of gas through the exit orifice of the first gas chamber. The exit orifice of the inflator may be disposed within an inlet port of an inflatable curtain to cause inflation gases exiting the inflator through the exit orifices to enter directly into the airbag or inflatable curtain.

A variable-diameter biological drip-filter device for gas processing belongs to the technical field of gas processing devices. A gas inlet pipe, a draught fan inlet air valve, an induced draught fan, a draught fan outlet air valve and a biological filter tower gas inlet are connected successively, the biological filter tower gas inlet is located at one side of a bottom gas inlet chamber of a reactor body biological filtration tower, a water replenishing pipe matches a water replenishing electromagnetic valve, a water drain pipe matches a water drain electromagnetic valve, the water replenishing electromagnetic valve and the water drain electromagnetic valve are respectively connected with a liquid storage tank, the liquid storage tank is located below the gas inlet chamber, a filling area and a gas outlet chamber are successively arranged above the gas inlet chamber, a spray water pipe is arranged in the gas outlet chamber, the upper end of the gas outlet chamber is also connected with a gas outlet pipe; a temperature sensor, a liquid level meter and a pH monitor are arranged in the liquid storage tank, the liquid storage tank is connected with the spray water pipe successively by a butterfly valve, a circulating water pump, a pipe filter, a stop valve and a water pressure gauge through a circulating water pipe; the circulating water pump is controlled by a spray water electromagnetic valve. The variable-diameter biological drip-filter device can save a filler, and make full use of the filler.

An intake manifold with integrated canister circuit for a supercharged internal combustion engine; the intake manifold is provided with: a tubular body in which a plenum is defined; a sorting chamber, which is obtained in a wall of the tubular body; a canister solenoid valve, which is arranged in the sorting chamber and is adapted to adjust the introduction of gasoline vapours into the sorting chamber itself; a first pipe, which is obtained in the wall of the tubular body, puts the sorting chamber into communication with the plenum, and defines a first branch of a recovery pipe; a second pipe, which is obtained in the wall of the tubular body and defines an initial portion of a second branch of the recovery pipe; a first one-way valve which is arranged in the sorting chamber in correspondence of the first pipe and allows, through the first pipe, only a flow towards the plenum; a second one-way valve which is arranged in the sorting chamber in correspondence of the second pipe and allows, through the second pipe, only a flow through the intake pipe.

A portable radiant heater supplied by an associated fuel source comprises a housing having a handle for transporting the heater. A plenum in the housing receives fuel from the associated fuel source and mixes the fuel with air. A burner assembly includes a radiant surface that communicates with the plenum. A regulator limits the pressure of the associated propane source to approximately eleven inches water column, and an oxygen depletion system associated with the burner assembly automatically shuts off the heater at a predetermined oxygen content. A tank fitting with a position that can be adjusted relative to the regulator facilitates the installation of the associated fuel source to the heater.

A gas sensor equipped with a protective gas cover which defines therein a gas chamber to which a sensor element is exposed. The protective gas cover has gas inlet holes through which gas to be measured is admitted. The protective cover also has dimples formed adjacent the gas inlet holes, respectively, which are designed to avoid a direct hit of a flow of the gas on the sensor element and minimize the concentration of thermal stress around the gas inlet holes. In an alternative form, the gas inlet holes are formed in the dimples, respectively.

A valve for a gas-driven motor and a valve assembly and reciprocating pump incorporating the valve are provided. The valve includes a shiftable valve for alternatively supplying a motive gas through first and second supply ports to opposed first and second power pistons in opposed motive gas chambers, respectively, and for effecting alternating exhaust of said chambers. The shiftable valve has a front face with a valve projection located thereon and a rear face with a valve projection located thereon.

The invention provides a multipurpose small advertisement removing device. The device comprises an small advertisement removing main body and handles, the small advertisement removing main body comprises a liquid storage box, an electric heating box and an small advertisement scraping box, the liquid storage box comprises liquid injection holes, a hole cover and a sensor, the electric heating airbox comprises a water spraying device, hot air devices and an electric control device, the water spraying device comprises a water pump, a water inlet pipe, a water outlet pipe and water spraying nozzles, the hot air devices comprise mesh covers, electric heating wires and fans, the electric control device comprises an LED lamp, a charging interface, an electricity storage device and a controller,the small advertisement scraping box comprises roller devices and scraping devices, and the handles comprise a first switch, a second switch, a third switch and a fourth switch. According to the multipurpose small advertisement removing device, automatic heating, wetting, removing and collecting functions of small advertisements on the cylindrical surfaces of wall surfaces or telegraph poles andthe like can be realized, and the labor cost of sanitation workers is reduced; and the device is convenient to carry, wide in application range, high in automation degree and high in practicability.

The invention discloses an air intake and exhaust device of an air-cooling type low-noise diesel power generating set; the power generating set is installed in a soundproof case which is separated into a main chamber and an exhaust chamber by a middle clapboard; a diesel engine and an electric generator of the power generating set are arranged in the main chamber from right to left; the exhaust chamber is internally provided with an exhaust silencer; the air intake and exhaust device comprises an air intake channel of the diesel engine, an air exhaust channel of the diesel engine, a heat dissipation channel of the power generating set and two axial flow fans, wherein the air intake channel of the diesel engine comprises an air intake of the diesel engine and an air inlet and guide groove; the air exhaust channel of the diesel engine comprises an air outlet of the diesel engine and an air outlet and guide groove; and the heat dissipation channel of the power generating set comprises an air inlet of the case, the two axial flow fans, a clapboard exhaust outlet and an air outlet of the case. The air intake and exhaust device can meet the normal ventilation condition of the power generating set, and effectively reduces the air intake and exhaust noise generated in the working process of the power generating set.

A self-contained air distribution system for an individual which can distribute air over the chest, back, head, or skin of the individual, the system including a battery operated blower fan in communication with the plenum and manifold, the manifold having primary exhaust nozzles which may be attached to secondary distribution conduits extending over the chest, back, or head of the individual, thereby allowing air to selectively escape providing a cooling and evaporate effect.

An exhaust structure is provided on an upper part of a storage battery. In the structure, an exhaust chamber is formed with an inlet, through which gas generated from a cell chamber of the storage battery is introduced, a first outlet, arranged in an upper portion of the exhaust chamber and through which the gas is exhausted to an exterior of the storage battery, a second outlet, arranged in a bottom portion of the exhaust chamber and communicated with the cell chamber, side walls and a bottom wall defining the exhaust chamber. The bottom wall is slanted toward the second outlet. A plurality of plate members, which intercepts liquid contained in the gas. Each of the plate members is extended from one of the side walls such that a distal end portion faces another one of the side walls while defining a gap therebetween, and is slanted toward the second outlet so that the intercepted liquid is guided to the second outlet and returned to the cell chamber.

A side panel for a recreational vehicle, such as a snowmobile is disclosed. The side panel extends from the windshield portion of the snowmobile to the pan portion. The side panel is hingedly attached at a front edge to the snowmobile so that the side panel opens outwardly along vertically oriented hinges. The side panel includes a windshield to protect the operator's legs. The side panel also includes an airbox which provides an air charge to the engine for combustion. In addition, an airbox, divisible into two parts is also disclosed. The airbox includes a portion adapted to be attached to the interior of the side panel or to a belt guard. A second portion of the air box can be disposed within the engine compartment.

A Front Opening Unified Pod (FOUP) having a purgeable supporting module disposed at the junction of each sidewall and the backwall of the container, the characteristic of the FOUP being in that: the purgeable supporting module has a buffer gas chamber and a gas inlet is disposed at one end of the buffer gas chamber and connected to a gas valve on the bottom surface, an outgassing channel is disposed on the purgeable supporting module facing the opening of the FOUP, and a long slot is disposed on one side of the outgassing channel, an airflow channel being disposed between and thus connecting the outgassing channel and the buffer gas chamber, and a plurality of supporting ribs being vertically disposed on one side of the long slot at intervals.

The invention relates to a method for heating and supporting an aluminum band, which is realized by an aluminum band heating and supporting device mainly composed of a furnace body, heating devices, an air cushion group, an air collecting chamber and a circulating fan, wherein the air cushion group, the air collecting chamber and the circulating fan are situated in the hearth, and the heating devices are passed through the side wall of the furnace body to enter the hearth and are situated in the air collecting chamber; with the rotation of the circulating fan, a positive pressure difference is formed between the whole hearth and a spray box spout of the air cushion group, the air in the hearth enters the spray box from a spray box inlet and is ejected from the spray box spout, the ejectedair returns after meeting the aluminum band and enters the air collecting chamber through an overflow hole, and the air is heated by the heating devices on the two sides in the air collecting chamberand is driven by the circulating fan to enter the hearth to guarantee the hearth as a stable static pressure chamber so as to guarantee the heated air to be continuously ejected to the aluminum band.The device and method of the invention have the advantages of heating uniformity, high heating efficiency and good operation stability of the aluminum band.

An intake manifold assembly is provided having a plenum and an intake runner in communication with the plenum. The intake runner has an outlet end. A selectively closeable throttle plate is disposed within the intake runner and is operable to selectively limit the flow of intake air through the intake runner. The throttle plate is selectively and variably movable between a fully opened position and a fully closed position. An orifice, defined by one of the intake runner and the throttle plate, has an opening area of approximately fifteen percent or less of a cross sectional area of the outlet end. An internal combustion engine incorporating the intake manifold assembly is also disclosed.

An intake manifold with integrated canister circuit for a supercharged internal combustion engine. The intake manifold includes a tubular body in which a plenum is defined. A sorting chamber is in a wall of the tubular body. A canister solenoid valve is arranged in the sorting chamber and is adapted to adjust the introduction of gasoline vapors into the sorting chamber itself. A first pipe in the wall of the tubular body puts the sorting chamber into communication with the plenum, and defines a first branch of a recovery pipe. A one-way valve is arranged in the sorting chamber at the first pipe. A second pipe in the wall of the tubular body puts the sorting chamber into communication with the intake pipe upstream of a compressor, and defines an initial portion of a second branch of the recovery pipe.

A fuel supply device for an internal combustion engine including a throttle valve and an airbox is provided with a main injector disposed at a downstream side of the throttle valve, an auxiliary injector disposed at an upstream side of the throttle valve and in the airbox, and a delivery pipe disposed inside the airbox and adopted to supply and distribute a fuel to the auxiliary injector. The delivery pipe has both ends which are supported on two side walls of the airbox.