113results about How to "Increase inflow" patented technology

A guide means of a centrifugal force separator or cyclone separator for separating at least one substance from a gaseous or liquid medium under the action of centrifugal forces has two or more baffle plates (2) with a radius which decreases from the center axis of the guide means, viewed in the direction of rotation of the medium. Between these baffle plates (2) entry openings (16) into the guide means are formed for the medium from which the substance has been largely removed into the guide means. There is a bottom plate (3) on the end of the guide means which projects into the interior of the device. To improve incident flow or inflow of the medium into the guide means, the bottom plate (3) in the area of the entry openings (16) has recesses (12).

Provided is an intake system of an air conditioning system for a vehicle, which is configured for simultaneously satisfying two conflict conditions of improving heating performance by increasing the inflow of inside air and of reducing the generation of moisture on a window glass, wherein a scroll case, in which a blower is mounted, is provided with a second partition member for dividing a passage, which is formed at an outlet port and includes a blower chamber around a blower fan, into an upper passage and a lower passage, and a flow guide for guiding air, which is separated by a first partition member and is introduced into the scroll case from an inlet case, to the respective upper and lower passages.

An integrally bladed rotor disk (20) for a turbine, including rotor blades (40), which are joined in a substance-to-substance bond to a disk element (30), and a sealing device (60) for preventing or reducing the extent to which cooling air is able to flow from a high-pressure side (12) of the rotor disk (20) through openings (24) on the rotor disk (20) to a low-pressure side (14) of the rotor disk (20).

A transition duct for a turbomachine, in particular an aircraft engine, for forming a flow channel between an upstream flow cross section and a downstream flow cross section, including supporting ribs which extend between a radially inner duct wall and a radially outer duct wall and each of which has a profile for deflecting a flow from an inlet area to an outlet area of the transition duct, the supporting ribs each having a profile variation in the area of their trailing edge and / or at least one blow-out opening for blowing out a fluid; also disclosed is a turbomachine having a transition duct of this type.

An agitating ball mill includes a comminution vessel surrounding an agitating shaft which is provided with a product inlet and a product outlet, wherein the comminution media located within the comminution vessel is activated through the rotation of the agitating shaft and held back in the comminution chamber by a separating and / or pre-classifying device. For optimum energy and space utilisation a pre-crushing device is arranged upstream of the comminution chamber. The pre-crushing device includes either a static or dynamic gap guard.

The present invention provides a fluid bearing device. The inner space of the shaft sleeve (2) sealed by the sealing member (5) contains the inner pores (porous tissue pores) of the bearing member (3), so that the air is not mixed and the body is lubricated with oil. Filled, the oil level of the lubricating oil is located in the sealed space S1. Under the reduced pressure of 100 Torr, even when the fluid bearing device (1) is arranged in any configuration such as upright configuration, upside down configuration, lateral placement configuration, and oblique configuration configuration, the lubricating oil does not leak to the outside of the sleeve (2).

The present invention provides a fluid bearing device. An inner space of a housing (2) sealed with a seal member (5) as well as internal pores of a bearing member (3) (pores in a porous structure) are filled with a lubricating oil without the presence of air, so that the oil surface of the lubricating oil is within a seal space S1. Under a reduced pressure of 100 Torr, no lubricating oil leaks outside of the housing (2) even at any attitude of the fluid lubricated bearing device (1) such as normal, inverted, or horizontal attitude.

The invention discloses a lost foam casting method for a heavy casting. The method comprises the following steps of: a. manufacturing a foam model; b. mounting a counter-deformation bracket: manufacturing the steel-structured counter-deformation bracket according to the size and the length of a workpiece and placing the counter-deformation bracket on the bottom of the foam model; c. painting: the thickness of the paint is not less than 4mm; d. drying: placing the painted foam model in a drying room for drying at the constant temperature of 50 DEG C; e. fixing core: placing the steel-structured bracket in an inner cavity of the foam model so as to fix the model, and putting the whole foam model into a sandbox together; f. boxing: enabling the sandbox containing the foam model to drop sand evenly, vibrating the sandbox during sand dropping, gradually enhancing the vibration amplitude with the increasing of added sand quantity, mounting a main runner and a branch runner of a ceramic tube, and placing a pouring cup; g. pouring: opening a vacuum pump for vacuum pumping before pouring; h. releasing negative pressure: after pouring, keeping the negative pressure for 8 to 15 minutes until solidification of an iron liquid, and then releasing the negative pressure; and i. cleaning.

Provided herein are compositions and methods for treating a subject suffering from Fragile X syndrome, autism, Down's syndrome, mental retardation, or a neuropsychiatric condition (e.g., schizophrenia). The methods include systemic administration of a a therapeutically effective amount of a PAK inhibitor in combination with a Group I mGluR antagonist (e.g., an mGluR5 antagonist). The PAK inhibitor and mGluR antagonist can be administered together, e.g., in one pharmacological composition, or they can be administered separately.

The present invention pertains to antimicrobial compositions comprising inter alia at least one alkenyl-and / or alkynyl-substituted polysiloxane, at least one polysiloxane comprising silicon-bonded hydrogen atoms, and at least one hydrosilylation catalyst, as well as antimicrobial silicone gels, wound dressings, and methods of preparing the above.

A blade cascade of a turbomachine having at least one shape variation of a blade situated on the blade side in the proximity of a side wall and extending downstream, and at least one side wall contouring of the side wall or at least one second shape variation of an adjacent blade near the side wall, as well as a turbomachine, are disclosed.

The present invention relates to inhibitors of drug transporters of the ABC protein superfamily, particularly transporters present at the blood brain barrier. ABC transporter inhibitors identified according to the invention increase brain concentrations of CNS-active agents. Such inhibitors increase the influx into the brain and / or reduce the efflux from the brain of such CNS-active agents.

The invention discloses an inner diversion type self-tightening hanging part of a heat exchange tube, mainly comprising a hollow shaft, a connecting rod, a support table and an extension end, wherein the hollow shaft, the support table and the extension end are respectively a concentric cylindrical body with an inner hole, the diameter of the inner hole of the hollow shaft is a little bigger than the diameter of a rotary shaft, the hollow shaft and the support table are fixedly connected through the connecting rod, the outer diameter of the extension end is a little bigger than the inner diameter of the heat exchange tube, the diameter of the support table is equal to the diameter of the extension end, the outer diameter of the support table is bigger than the outer diameter of the heat exchange tube and smaller than the center distance of two nearest heat exchange tubes in a heat exchanger, the support table is fixedly connected with the extension end, a section of notch is respectively arranged at the middle position of two adjacent connecting rods on the support table and the extension end, the notches of the support table and the extension end are beneficial to the stretching of the extension end in the radial direction and are beneficial to the installation of the hanging part and the tightening in the heat exchange tube, the notch of the extension end is beneficial to reducing the resistance to a fluid and saving the cost, and a diversion surface of the support table and a spiral groove structure have certain effects of heat transfer enhancement and scale control and removal.

The invention fully utilizes space-time characteristics of urban population flow data, and on the basis of residual error network structures ResNet and DenseNet, provides an urban population flow prediction method based on a double-path space-time residual error network. The method adopts the double-path space-time residual error network to perform urban population flow prediction, and can improvearea population flow-in and flow-out prediction performance. The double-path space-time residual error network includes a plurality of study modules; each study module consists of micro blocks, eachmicro block starts from a first convolutional layer, is then connected with a second convolutional layer, and ends with a third convolutional layer; and outputs of the third convolutional layer include a first output and a second output, the first output is added to an original signal-channel residual error network according to a corresponding element adding method, and the second output is connected with a path of a dense connection network. The urban population flow prediction method based on a double-path space-time residual error network utilizes the space-time characteristics of urban population flow data, and on the basis of the residual error network structures ResNet and DenseNet, designs a double-path residual error network ST-DPResNet, thereby further improving the area population flow-in and flow-out prediction performance.

A turbine blade is provided, comprising a stator-side end located toward a stationary stator cylinder of the turbine, a rotor-side end located toward an axial rotor of the turbine, a leading edge located between the stator-side end and the rotor-side end, a trailing edge located between the stator-side end and the rotor-side end and located down-stream of the leading edge with respect to a fluid flow direction, wherein the rotor-side and stator-side ends have a negative sweep angle as measured between the instantaneous tangent of the blade surface and the fluid flow direction. Also, a turbine blade is provided, comprising a stator-side end located toward a stationary stator cylinder of the turbine, a rotor-side end located toward an axial rotor of the turbine, a delivery side located between the stator-side end and the rotor-side end, a suction side located between the stator-side end and the rotor-side end and located down-stream of the leading edge with respect to a fluid flow direction, wherein the rotor-side end is inclined toward the delivery side and the stator-side end is inclined with respect to a fluid flow direction.

The invention discloses a biological desulfurization method of biogas. The biological desulfurization method of the biogas comprises the following steps of: preparing a nutrient stock solution from compound fertilizer, urea and water, mixing liquid which contains a microbial strain with the nutrient stock solution evenly so as to obtain a nutrient solution, and spraying the nutrient solution circularly into a desulfurization tower so as to achieve propagation of the microbial strain in the nutrient solution; detecting the content of hydrogen sulfide in the biogas at an outlet in the desulfurization tower, and gradually regulating the amount of the biogas introduced from an inlet until the content of hydrogen sulfide at the outlet end of the desulfurization tower meets a technical index when the flow of the inlet biogas reaches a maximum, wherein the nutrient solution already contains enough microorganisms at the time; and conducting water supplement on the desulfurization tower, and supplementing oxygen to the desulfurization tower; when the number of the microorganisms in the nutrient solution reaches a standard, no addition of the microbial strain is needed, and the microorganisms can reproduce by themselves in the nutrient solution, so that self-sufficiency is achieved; in addition, sulphuric acid is generated by hydrogen sulfide and oxygen in the biogas under the catalysisaction of the microorganisms, so that hydrogen sulfide is separated from the biogas, formation of sulphur dioxide through biogas combustion is avoided, and the environment is protected.

A fan assembly (10) includes a housing (20) with an air inlet (70), a fan inlet (60), and an air outlet (80). The fan assembly further includes an impeller (30) and a motor (40) configured to drive the impeller, the impeller having a plurality of circumferentially positioned spaced blades (34). An air-permeable guard (50) is positioned between the air inlet and the fan inlet to prevent users from touching the impeller (30), and is spaced a first distance (54) from the fan inlet (60), and a second distance from the air inlet (70) so that a filter (90) may be provided between the air inlet (70) and the air-permeable guard (50). Preferably, the first distance (54) is such so as to allow incoming air to at least partially rotate prior to entering the fan inlet. Preferably, the plurality of circumferentially positioned spaced blades (34) is positioned circumferentially around a domed center (32) of the impeller (30), the domed center (32) facing the fan inlet (60), and the domed center (32) co-rotates with the spaced blades (34).

Wing-propulsion unit combination comprising a wing (W) with a main wing (W1) and a propulsion unit (E) with a pre-mix chamber (E1), a combustion chamber and a hot air chamber (E2), further comprising: a) a propulsion unit tap air channel (2) running along the span direction (SW) and along the front edge of the main wing, said tap air channel comprising a propulsion unit tap air inlet apparatus (2-1) that is coupled to a propulsion unit hot air chamber (E2), and comprising a propulsion unit tap air outlet apparatus (2-2) that is made up of a mouth at the main wing (W1) or a connecting part for coupling the propulsion unit tap air channel to a user of the propulsion unit tap air, b) a surrounding air channel (10) running along the propulsion unit tap air channel (2) comprising a surrounding air inlet apparatus (10-1) that is located at a component of the airplane (AC) facing the proper flow direction (S) of the airplane (AC) and that comprises an opening (10-3) for letting in surrounding air into the surrounding air channel (10), and comprising a surrounding air outlet apparatus (10-2) with a passage between the surrounding air channel (10) and a pre-mix chamber (E1) of the propulsion unit (E), so that the arrangement (1) of propulsion unit tap air channel (2) and surrounding air channel (10) forms a heat exchange apparatus for cooling of the air flowing in the propulsion unit tap air channel (2) and so that the surrounding air passing through the surrounding air channel (10) is fed to the combustion chamber in the propulsion unit.

This invention provides a condenser for a refrigerating machine which can improve the condensation characteristics by eliminating the accumulation of the condensed refrigerant in the condenser vessel. The condenser comprising the vessel 14 and a group of heat exchanger tubes 15 disposed in the vessel is used for condensing and liquefying the gaseous refrigerant by heat exchange between the gaseous refrigerant and cooling water circulating in the heat exchanger tubes. The condenser is constituted such that accumulated liquefied refrigerant is removed by forming one or a plurality of spaces in the area wherein the heat exchanger tubes are disposed.

The present invention pertains to antimicrobial compositions comprising inter alia at least one alkenyl- and / or alkynyl-substituted polysiloxane, at least one polysiloxane comprising silicon-bonded hydrogen atoms, and at least one hydrosilylation catalyst, as well as antimicrobial silicone gels, wound dressings, and methods of preparing the above.

In a destacking device comprising a stacking magazine (2), the respective lowest sheet of a stack (1) of metal sheets is destacked by way of a suction element (5, 15). This element can be moved upward and downward by way of a drive (6). At the end of the upward movement, the respective lowest metal sheet (4) of the stack (1) is gripped by suction power and pulled from the stack. A second suction element (5′, 15′) is provided, which can be moved upward and downward by way of a drive (6′) and by way of which the lowest sheet (4) of the stack (1) can be gripped at the end of the upward movement. The second suction element is driven so as to be leading with respect to the first suction element, so that the respective lowest sheet (4) of the stack (1) can first be pulled from the stack by the second suction element (5′), and subsequently by the first suction element (5). In this way, it becomes possible to destack thin sheets having a thickness of only 0.12 mm and a square shape without disruption. The stack is held magnetically in the stacking magazine, which facilitates destacking.

The invention relates to a fuel injector for the operation of an internal combustion engine, having an injector body. An inlet bore of the injector body connects a conical pressure connection to a valve chamber for supplying highly pressurized fuel. The valve chamber is placed along a longitudinal center axis of the injector body and above a nozzle needle. According to the invention, the inlet bore further has a fan-shaped contour starting at the conical pressure connection along the extension thereof, the contour having a fan angle and a variable cross-section in the shape similar to an elongated hole.

Described are an airfoil array segment (100, 200, 300) having at least two airfoils (20, 30) and a platform (10) that features an axis asymmetrical platform surface (12). This platform surface features an elevation (110, 210, 310) that extends from the pressure side (21) of the first to the suction side (32) of the second airfoil (30). A highest point (111, 211, 311) of the elevation is more proximate to the suction side 32 of the second airfoil (30) than to the pressure side (21) of the first airfoil (20). Also described are an airfoil, a platform, an airfoil passage and a turbomachine.

The invention discloses a sewage treatment system convenient to maintain based on constructed wetlands. The sewage treatment system comprises wetland plants and is characterized by further comprising a drawer type sealed wetland box in which multiple filtering substrates are laid; the wetland plants are planted on the wetland box, a plurality of drawer layers with containing cavities are arranged in the wetland box, and the filtering substrates for purifying sewage are placed in the drawer layers respectively; large bluestone blocks, small gravels, fine sand, modified zeolite, nano composites and a soil layer are placed on the drawer layers respectively from bottom to top. According to the sewage treatment system convenient to maintain based on the constructed wetlands, the nitrogen and phosphorus removal efficiency of the constructed wetland sewage treatment process is enhanced, the problem that heavy metal pollution is hard to remove through a traditional constructed wetland treatment process is solved, and meanwhile the workload of later maintenance of the sewage treatment system is reduced.

This invention provides a condenser for a refrigerating machine which can improve the condensation characteristics by eliminating the accumulation of the condensed refrigerant in the condenser vessel. The condenser comprising the vessel 14 and a group of heat exchanger tubes 15 disposed in the vessel is used for condensing and liquefying the gaseous refrigerant by heat exchange between the gaseous refrigerant and cooling water circulating in the heat exchanger tubes. The condenser is constituted such that accumulated liquefied refrigerant is removed by forming one or a plurality of spaces in the area wherein the heat exchanger tubes are disposed.

The invention provides a lens driver mounted on an optical part, comprising a leading screw rotating by utilizing the rotating of a motor, a lens carrier reciprocating along the a rotational axis leading screw by utilizing the rotating of the leading screw, a leading axle extending in parallel to the rotational axis and penetrating the lens carrier and guiding the lens carrier, and a lens mounted on the free end of the lens carrier in the cantilevering state. Thereby, in the lens driver, a part of frame part for forming the lens carrier is removed around the lens, thus the lens face can be big as far as possible.

When a louver member able to diffuse exhaust gas over the entire area of a catalytic converter is incorporated in the exhaust passage, passage resistance of the exhaust gas increases and, in addition, the time to complete a warm-up of the internal combustion engine is extended, and this leads to deterioration of fuel economy. An exhaust gas treatment apparatus for an internal combustion engine includes an exhaust gas treatment unit (21, 22) arranged in an exhaust passage (18a) of the engine (10), an exhaust gas burble zone (Z1, Z2) in which an exhaust gas flowing along a part of a wall face (18e), which defines the exhaust passage, burbles away from the part of the wall face, and a plasma actuator (23, 31) arranged at the part of the wall face of the exhaust passage in the exhaust gas burble zone and configured to generate air current toward the exhaust gas treatment unit along the part of the wall face.