471 results about "Airbox" patented technology

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.

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).

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 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.

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.

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.

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.