30results about How to "Increase airflow resistance" patented technology

Systems, delivery devices, and methods to treat to ablate, damage, or otherwise affect tissue. The treatment systems are capable of delivering a coolable ablation assembly that ablates targeted tissue without damaging non-targeted tissue. The coolable ablation assembly damages nerve tissue to temporarily or permanently decrease nervous system input. The system, delivery devices, and methods can damage tissue and manage scarring and stenosis.

A corrugate fin 14 of an evaporator 1 includes wave crest portions 14a, wave trough portions 14b, and flat connection portions 14c connecting together the wave crest portions 14a and the wave trough portions 14b. Opposite end portions of a cutout 95 extend to corresponding connection portions 14c located at opposite ends of the wave crest portion 14a and the wave trough portion 14b. A projection 96 projecting inward is formed integrally with end portions of the connection portions 14c, the end portions of the connection portions 14c corresponding to opposite ends of the cutout 95. The projection 96 is formed in such a manner as to extend between the end portions of the connection portions 14c located at the opposite ends of the wave crest portion 14a and the wave trough portion 14c. The projection 96 projects inward in a shape resembling a lying letter V. The evaporator 1 exhibits excellent drainage of condensed water and enables high work efficiency in manufacture thereof.

The invention relates to a mobile phone polaroid laminating machine capable of reliably laminating a polaroid. A polaroid loading mechanism comprises a loading platform longitudinally lifting mechanism, a loading platform station switching mechanism installed on the loading platform longitudinally lifting mechanism and a polaroid loading platform installed on the loading platform station switching mechanism; the polaroid loading platform comprises a laminated polaroid transferring substrate and a laminated polaroid transferring hinged side panel which is installed on the loading platform station switching mechanism, the laminated polaroid transferring substrate is hinged to the bottom end of the laminated polaroid transferring hinged side panel, the side, opposite to the hinged point, of the laminated polaroid transferring substrate can longitudinally rotate around the laminated polaroid transferring hinged side panel, the laminated polaroid transferring substrate is connected with a laminated polaroid transferring cylinder which drives one side edge of the laminated polaroid transferring substrate to rotate, a polaroid aligning mechanism is installed on the laminated polaroid transferring substrate, a vacuum adsorption plate which can absorb and fix the polaroid is installed at the bottom of the laminated polaroid transferring substrate in an attached mode, and a high-speed camera is arranged on the side edge of a vacuum adsorption seat which is fixed through a glass substrate. The mobile phone polaroid laminating machine capable of reliably laminating the polaroid has the advantages of being reasonable in polaroid laminating action and good in polaroid laminating quality.

A plasma reactor has a reactor vessel and a pair of electrodes in the form of spaced apart and oppositely disposed metallic surfaces defining therebetween a plasma discharge space. At least one of the metallic surfaces is the surface of a metallic plate having a plurality of gas feed openings extending through the metallic surface towards said discharge space and from a distribution chamber extending along the plate opposite the discharge space. The distribution chamber has a wall opposite and distant from the plate and includes a gas inlet arrangement with a plurality of gas inlet openings distributed along the wall and connected to one or more gas feed lines to the reactor. A gas flow resistant coefficient between the one or more gas feed lines and at least a predominant portion of the connected inlet openings are at least substantially equal.

The invention discloses an airbag type ventilation and drainage positive and negative pressure water hammer control valve group. The airbag type ventilation and drainage positive and negative pressure water hammer control valve group is arranged on an infusion pipeline or a container system and comprises a water hammer relief valve, a trace exhaust valve, a high-speed exhaust valve, a rear regulating valve, a negative pressure air suction valve, a manual venting and draining valve and a monitoring pressure gauge; the rear regulating valve is arranged at the outlet end of the high-speed exhaust valve; the water hammer relief valve is directly connected with the top or the lateral side of the negative pressure air suction valve through threads or a flange; the trace exhaust valve is connected with a hole which is formed in the front of the water hammer relief valve; the high-speed exhaust valve is directly connected with the top or the lateral side of the negative pressure air suction valve through threads or a flange; the negative pressure air suction valve is connected with the external infusion pipeline. According to the airbag type ventilation and drainage positive and negative pressure water hammer control valve group which is integrated and omni-directional, the structure is compact and firm, the conveying and the installation are convenient, the reliability is strong, the positive pressure water hammer can be relieved, the relief speed is high, and the water hammer of cavities collapsing due to the negative pressure can be inhibited.

Disclosed is a blast fan for blowing air in a centrifugal direction thereof. The blast fan comprises a hub coupled to a rotating shaft of a motor, and a plurality of blades equally spaced and arranged around the outer peripheral surface of the hub. More particularly, the blast fan, of axial flow type or diagonal flow type, is configured so that turbo blades are integrally coupled to respective tips or trailing edges of the rotary blades. By achieving an optimal installation angle of the turbo blade, it is possible to achieve an increase in the flow rate and to reduce the level of noise generated.

A shower plate is adapted to be attached to the showerhead and includes a front surface adapted to face the susceptor; and a rear surface opposite to the front surface. The shower plate has multiple apertures each extending from the rear surface to the front surface for passing gas therethrough in this direction, and the shower plate has at least one quadrant section defined by radii, wherein the one quadrant section has an opening ratio of a total volume of openings of all the apertures distributed in the section to a total volume of the one quadrant section, which opening ratio is substantially smaller than an opening ratio of another quadrant section of the shower plate.

The invention relates to a modularly built driver cab model range for utility vehicles, comprising a substantially standardized basic module (2) having a front wall (3), two side walls (4, 4 ') each having a side door and a back wall (5) and a driver cab bottom (6), wherein both side walls (4, 4 ') are interconnected in the area of the B columns by means of a transversal roof arch (7) on the roof side. One essential element of the invention is that a modularly built driver cab roof (8) is provided, the transversal roof arch (7) is a component of the modularly built driver cab roof (8) and forms part of the outer surface of the roof. The transversal roof arch (7) is also connected to a front roof module (9) and to a rear roof module (10), wherein at least two different front roof modules (9) and/or two different rear roof modules (10) that differ from one another at least in terms of form and/or function are provided.

The invention relates to a lining machine for a mobile phone polarizer with reliable alignment. A polarizer loading mechanism comprises a loading platform longitudinal lifting mechanism, a loading platform station switching mechanism and a polarizer loading platform, wherein the loading platform station switching mechanism is mounted on the loading platform longitudinal lifting mechanism; the polarizer loading platform is mounted on the loading platform station switching mechanism; the polarizer loading platform comprises a lining transferring base plate and a lining transferring hinge lateral plate; the lining transferring hinge lateral plate is mounted on the loading platform station switching mechanism; the lining transferring base plate is hinged with the bottom end of the lining transferring hinge lateral plate; a lateral edge of the lining transferring base plate opposite to a hinge point can be rotated along the longitudinal direction of the lining transferring hinge lateral plate; a lining transferring cylinder which is used for driving the lateral edge of the lining transferring base plate to rotate is connected with the lining transferring base plate; a polarizer aligning mechanism is mounted on the lining transferring base plate; a vacuum absorbing plate which is used for absorbing and fixing a polarizer is lined at the bottom of the lining transferring base plate; a high-speed camera is arranged on the lateral side of a vacuum absorbing base fixed by the lining transferring base plate. The lining machine for the mobile phone polarizer with reliable alignment has the advantages of reasonable lining action and high lining quality.

The invention discloses a cleaning method for a condensation device of a clothes dryer. The condensation device comprises an air channel, a water supply device connected with the air channel, and a fan enabling air from a drying bucket to flow through the air channel. The air channel is provided with a flow-distributing device enabling air flowing through the air channel to generate turbulent flows. The cleaning method comprises following the step of operating a cleaning process. The cleaning process comprises following steps: continuously supplying water to the air channel through the water supply device; controlling the device to operate the fan, controlling operating parameters of the fan such that the rotating speed of the fan gradually increases, at least to the extent at which a part of water can be lifted in the air at the flow-distributing device and gradually converge, and rolling and agitating water which converges in the air channel in the air channel such that the inner wall of the air channel can be washed. The invention further discloses the clothes dryer realizing the cleaning method.

An improved water management system with improved airflow distribution for counterflow evaporative heat exchangers is provided. Such heat exchangers include open cooling towers, closed circuit cooling towers, and evaporative condensers. The improved water management system eliminates water splash out and the noise associated with water splashing. Further when the fan assemblies are located below the evaporative heat exchanger, the improved water management system keeps the fans dry and prevents freezing in subzero climates.

An intake duct for an internal combustion engine includes a cylindrical duct main body. The duct main body includes an inner layer and an air-impermeable sheet. The inner layer is made of an air-permeable first fiber molding and constitutes the inner circumferential surface of the duct main body. The air-impermeable sheet is fixed to the outer circumferential surface of the inner layer. The weightper unit area of the sheet is 15 to 100 g/m2.

The invention relates to a high-efficiency mesh channel hierarchical air filtering structure which is composed of a first level filtering structure, a second level filtering structure, a third level filtering structure and a fourth level filtering structure in sequence in series. Each level filtering structure is formed by multipled regular triangular prism channel filtering units, wherein the regular triangular prism channel filtering units are formed by planar filtering materials I and zigzag folded filtering materials II in an alternate and overlying mode. Equilateral triangular partition plates are arranged at the same intervals in each regular triangular prism channel filtering unit. The partition plates in adjacent regular triangular prism channel filtering units are arranged in a staggered mode, so that the fact that airflow flows in a staggered mode to pass through regular triangular prism side filtering materials is guaranteed, the dwell time of the airflow in a structural unit is prolonged, an effective filtration area is increased, and trapping efficiency is improved. According to the high-efficiency mesh channel hierarchical air filtering structure, a hierarchical series design, along the direction of the airflow, is adopted, each level structure is made of different filtering materials, and therefore classified trapping of various particulate matters and gaseous pollutants in the airflow can be achieved.

The invention discloses an air curtain range hood. The air curtain range hood comprises an air curtain device and a gas condition acquiring device, wherein the air curtain device is used for forming an air curtain and comprises an impurity removing unit for purifying gas in an air duct; and the gas condition acquiring device controls a working state of the impurity removing unit and/or prompts thegas condition of the air duct and/or prompts an operation suggestion according to the gas condition in the air duct of the air curtain range hood. According to the air curtain range hood, the turning-on condition of the impurity removing unit is improved, the impurity removing unit is turned on only when needed, and the user experience is improved.