17 results about "Restricted Airflow" patented technology

The present invention provides systems and methods for generally accelerating wound healing, more specifically by supplying oxygen to a wound to accelerate the healing of damaged tissue and / or promote tissue viability. [Solution] The oxygen supply system 200 for the wound 602 includes an outer frame 202 that defines an oxygen outlet. An oxygen generation subsystem is included in the outer frame and coupled to the oxygen outlet. A control subsystem is coupled to the oxygen generation subsystem and is configured to receive humidity information indicating the humidity experienced by the oxygen generation subsystem. The control system then uses the humidity information to control the power supplied to the oxygen generation subsystem in order to control the oxygen flow produced by the oxygen generation subsystem and supplied to a restricted airflow enclosure that passes through the oxygen outlet into contact with the wound.

Disclosed herein is a photocatalytic oxidation device that includes a frame and a pair of opposing photocatalytic cell panels. An ultraviolet lamp is disposed within an interior chamber and, when activated, causes the generation of oxidizers at the cell panels. Air is passable through apertures of the cell panels and thus may be moved through the device. The device is structurally configured and dimensionally optimized to provide effective photocatalytic activity without overly restricting airflow.

The invention relates to the field of refrigerator energy-saving control, and particularly discloses an ultralow-temperature refrigerator based on energy-saving control, which comprises an article stacking sensing module, an airflow limitation evaluation module, an opening initial setting module and an opening redistribution module. Scanning articles in front of an air outlet in real time through a 3D visual sensor, establishing a three-dimensional point cloud model, and obtaining a relative distance and angle; the airflow blocking rate is calculated based on the point cloud data, and the airflow limitation degree is evaluated in combination with a space pose compensation factor; dynamically adjusting the current air outlet air door opening according to the evaluation result, and cooperatively adjusting the opening of an adjacent air outlet to realize air distribution; and finally, the backflow temperature of an adjacent air outlet is monitored through a temperature sensor, and closed-loop redistribution of the opening degree of the air door is conducted. According to the invention, the space attitude of an object can be accurately sensed, the airflow blocking condition is scientifically evaluated, multi-air-port collaborative energy-saving control is realized, the refrigeration efficiency is effectively improved, the energy consumption is reduced, and the temperature in the cabinet is uniform and stable.

A thermal management system for a switchgear enclosure configured to house electrical components is disclosed. The system can include a swing flap positioned at an opening on the switchgear enclosure, configured to move between a first position, allowing airflow, and a second position, restricting airflow. The system includes an airflow component, positioned between the electrical components and the swing flap, to facilitate airflow introduction, passage, and exit through the switchgear enclosure. The swing flap moves to the second position in response to arc fault pressure, reducing a likelihood of escape of arc fault byproducts. The presence of the swing flap can create a non-linear airflow path from the opening to the airflow component such that the airflow is directed around the swing flap.

The hair care device 10 includes a barrel 20 defining an airflow channel 26. The barrel 20 includes one or more openings 27, 28 for airflow from the airflow channel 26. The device 10 also includes a sleeve 21 rotatably mounted to the barrel 20 and including main outlets 31, 32. The device 10 also includes a plurality of comb teeth 12 projecting from the sleeve 21. The sleeve 21 is rotatable relative to the barrel 20 between a first position and a second position. In the first position, the one or more openings 27, 28 are not aligned with the main outlets 31, 32 to restrict airflow through the main outlets 31, 32. In the second position, at least one of the one or more openings 27, 28 is aligned with the main outlets 31, 32 to allow airflow 36 through the main outlets 31, 32.

The utility model provides a device for treating silicon-containing waste gas, which is characterized in that firstly, organic silicon components in the silicon-containing waste gas are quickly dissolved in an alkaline environment through pretreatment of alkali washing equipment, so that the organic silicon components in the silicon-containing waste gas can be preliminarily removed, and the treatment load of tail gas at the rear end is reduced; then, particulate matters in the gas are intercepted through filtering equipment; and finally, the gas enters heat storage combustion equipment. According to the utility model, by selecting the plate-type heat storage ceramic with stronger anti-blocking capability, an air flow channel which is not restrained by a pore channel and is communicated with the pore channel can be formed, so that silicon dioxide particles formed in silicon-containing waste gas can pass through the heat storage body more smoothly, the pore channel is not easy to block, and the service life of the heat storage body is prolonged. Therefore, the problems of low heat recovery efficiency, ceramic fracture, sharp increase of pressure drop and the like caused by blockage are reduced. In addition, a ceramic random packing layer is arranged above the plate type heat storage ceramic, so that the period of cleaning or replacing the ceramic is prolonged.

The present application provides a method for detecting airflow limitation events, comprising: obtaining the inspiratory phase peak value and inspiratory phase time corresponding to each respiratory cycle in real time; obtaining a first duration based on the duration of the inspiratory phase amplitude corresponding to each respiratory cycle being greater than a first signal, wherein the first signal is a first amplitude signal obtained based on the inspiratory phase peak value, the first amplitude signal being obtained by multiplying the inspiratory phase peak value by a first preset coefficient, the first preset coefficient being less than 1; comparing the first duration with a first preset time, wherein the first preset time is the proportion of the inspiratory phase time when the inspiratory phase signal is in a normal state; and determining that airflow limitation occurs when the first duration exceeds the first preset time. The technical solution of the present application can more conveniently detect airflow limitation events.

The subject disclosure provides for an air register assembly which includes a frame having an interior side and an exterior side. The air register assembly further includes a plurality of louvres moveable between a plurality of open positions and a closed position. The air register assembly further includes an adjustment lever to adjust the louvres between the open and closed positions. The air register assembly further includes a support base coupled to the frame, a retention device having a fuse. The air register assembly further includes a biasing member maintained in a biased state by the retention device and a rod wherein the retention device releases the biasing member when the fuse activates with the biasing member driving the rod against the adjustment lever or one of said louvres such that the louvres are moved into the closed position for restricting airflow through the air duct during a thermal event.

A system and method for enhanced drying can include a drum system with an inner drum and outer drum, a plurality of defined air ports in a bottom portion of the inner drum, a seal system positioned between the drums having an engaged state that restricts airflow from bypassing the air ports and a disengaged state, and a fan system configured to direct airflow through the air ports and inner drum. The system and method can enable drying by flowing air longitudinally through items in the drum system. The seal system may also enable such drying within a dual -use washer and dryer system.

A mud-in apparatus for controlling airflow in an HVAC system includes a magnetically adjustable damper system having a damper configured to slidably attach to an air register. The damper is configured to slide between an open position and a closed position on the air register to restrict airflow when the damper is in the closed position. The damper comprises at least one magnetic positioning element. A magnetic force applied via the at least one magnetic positioning element causes the damper to slide between the open position and the closed position. The magnetic force may be applied by a user operated magnetic fob, allowing the damper to be adjusted without the need for external controls, allowing for a sleek design while maintaining adjustability.

The application relates to the field of energy-saving control of refrigerators, and specifically discloses an ultra-low-temperature refrigerator based on energy-saving control, which comprises an article stacking sensing module, an airflow restriction evaluation module, an initial opening degree setting module and an opening degree redistribution module. The 3D visual sensor is used to scan the articles in front of the air outlet in real time, a three-dimensional point cloud model is established, and the relative distance and angle are obtained; the airflow blockage rate is calculated based on the point cloud data, and the airflow restriction degree is evaluated in combination with a space pose compensation factor; the current air outlet damper opening degree is dynamically adjusted according to the evaluation result, and the opening degrees of the adjacent air outlets are coordinately adjusted to realize air volume distribution; finally, the backflow temperature of the adjacent air outlets is monitored by a temperature sensor, and the closed-loop redistribution of the damper opening degree is carried out. The application can accurately sense the space posture of the articles, scientifically evaluate the airflow obstruction condition, realize the coordinated energy-saving control of multiple air outlets, effectively improve the refrigeration efficiency, reduce the energy consumption, and ensure the uniform and stable temperature in the refrigerator.

A device for regulating pressure, the device comprising: a body having: an inlet; the inner cavity is communicated with the inlet; and one or more flow features including a flow restrictor for restricting airflow through the lumen wherein downstream of the flow restrictor is a protective portion that helps protect the restrictor from damage.

A cooling system includes a first frame, a second frame coupled to the first frame and positioned in front of a portion of first frame in a stacked arrangement, a first cooler supported by the first frame, a second cooler supported by the second frame, and a baffle system. The baffle system includes a bracket coupled directly to one of the first frame or the second frame, a baffle coupled to the bracket and positioned to facilitate selectively restricting airflow through at least a portion of at least one of the first cooler or the second cooler, and an actuator positioned to facilitate reconfiguring the baffle between a non-restrictive orientation and a restrictive orientation.

The utility model relates to a paper cup, in particular to a heat insulation paper cup with a heat insulation groove, which comprises a cup body, a cup bottom and a cup sleeve, the cup sleeve is sleeved outside the cup body, the cup bottom is connected to the bottom of the cup body, and an upper port of the cup body is provided with an outwards-turned rolling opening. A plurality of grooves are formed in the outer wall of the cup body and / or the inner wall of the cup sleeve at intervals, the grooves are point-shaped connecting lines or strip-shaped, an upper end opening of the cup sleeve is located below the rolling opening, the inner wall of the cup sleeve is attached to the outer wall of the cup body at the rolling opening, the grooves are pressed out through an indentation mold, the falling risk does not exist, and the structure is more reliable. The inner wall of the cup sleeve is attached to the outer wall of the cup body, the rolling opening shields the upper end opening of the cup sleeve, the appearance is complete, foreign matter is prevented from entering the cup, the grooves form a plurality of heat insulation cavities, air flowing is limited, convection heat dissipation is reduced, and the heat insulation effect is improved.

A method (100) of operating an internal combustion engine (1) of a vehicle (2) is disclosed, wherein the engine (1) comprises one or more combustion chambers (4) and an assembly (41) configured to restrict airflow to the one or more combustion chambers (4) during motoring phases of the engine (1). The method (100) comprises the step of determining 5 (104) whether to operate the engine (1) in a fuel cut allowance mode (AM) or a fuel cut limitation mode (LM) during motoring phases of the engine (1) based on at least one of a current weight estimate (wE) of the vehicle (2) and a current total transmission ratio (tr) between the engine (1) and the driven wheels (27) of the vehicle (2). The present disclosure further relates to a computer program, a computer-readable, a control arrangement (21), and 10 a vehicle (2).

The invention discloses a respiratory airflow limited waveform identification method and system and a breathing machine. The method comprises the following steps: performing waveform slicing on collected breathing data, and extracting an inspiration airflow signal of each breathing waveform; calculating waveform characteristic data of the inspiration airflow signal, inputting the waveform characteristic data into the trained waveform recognition model, and outputting a respiratory airflow limited waveform recognition result; the waveform characteristics comprise a plateau index, skewness, roundness and a limited index. According to the method, the airflow limited waveform is identified on the premise of not depending on a fixed time structure, so that the method can better adapt to different respiratory cycles and individual differences; a complex model and a lightweight model are adopted, the calculation power is reduced while the precision is guaranteed through knowledge distillation, and the method is suitable for resource-constrained equipment. The training data are clinically judged and manually marked, various forms are covered, and the quality is ensured. Compared with a traditional method, the method has higher generalization and higher accuracy.

The application discloses a kind of with flow-limiting cover hierarchical multi-blade siphon type horizontal axis wind-driven generator, it is related to the technical field of low wind speed wind power generation, solve the low wind power generator wind energy capture efficiency, starting wind speed is high, low wind speed operating condition poor adaptability and other problems, including: four groups of wind power generation device, each wind power generation device includes: coaxial flow-limiting cover and ladder spindle, three levels staggered blade groups are installed in the middle of ladder spindle;Ladder spindle is rotatably installed in the front end in guide cone, the rear end of ladder spindle is drivingly connected with the driving end of generator, guide cone guides the central airflow close to rotating shaft to blade area, flow-limiting cover restricts airflow to prevent radial escape, three levels staggered blades realize wind energy hierarchical capture, whole machine uses four groups of array arrangement to improve output power, by airflow guiding, restriction, hierarchical capture and array cooperation, significantly improve the power generation efficiency under low wind speed, it is applicable to remote areas, island, rural and other distributed off-grid power supply scenarios.