488results about How to "Change pressure" patented technology

The present invention provides an apparatus and method of body contouring and skin conditioning using a mobile handpiece 16. The mobile handpiece 16 treats cellulite and the like by producing vibrations in the subcutaneous layers of fat. A cup 18 of the mobile handpiece 16 is placed against the skin to create a chamber 60. A vacuum source 160 and compressor 162, which are in communication with chamber 60, are then controlled to produce an oscillating pressure within the chamber 60. This vibration of the skin surface is transferred through the dermal layers thereby influencing fluid retention and cellulite build up.

A syringe having an internal pressure gauge comprises a syringe barrel; a piston within the barrel; a spring coupled to the piston at a first position of the spring, the spring having a second portion that is movable in response to fluid pressure within a syringe cavity; and a pressure gauge having an indicator correlated to a plurality of positions of the second portion of the spring to indicate a pressure of a fluid. The spring can be a bellows. The first portion of the spring can be coupled to the piston to form a sliding seal with an inner wall of the syringe, and the second portion of the spring can move longitudinally within the syringe without sealing contact. The syringe can indicate fluid pressures within a range of at least about 5 to 35 cm H2O, for example. The fluid chamber can be in fluid communication with a cuff of an inflatable medical device, such as an endotracheal tube, such that the measured pressure comprises the fluid pressure within the cuff. Methods of measuring pressure using a syringe are also disclosed.

A method and apparatus for communicating coded messages in a wellbore between a transmission node and a reception node is provided. The coded messages are messages are impressed upon a fluid column which extends between the transmission node and the reception node. A transmission apparatus is provided at the transmission node which is in communication with the fluid column, for altering pressure of the fluid column to generate at least a portion of the coded message. A reception apparatus is provided at the reception node. The reception apparatus includes a rigid structural component with an exterior surface which is in direct contact with fluid column and an interior surface which is not in contact with the fluid column, and a sensor assembly which detects elastic deformation of the rigid structural component. The transmission apparatus is utilized to alter pressure of the fluid column in a predetermined pattern to generate at least one coded message. The reception apparatus is utilized to detect the coded message in the fluid column through changes in elastic deformation of the rigid structural component.

A new family of multifunctional smart coatings based on of stabilized diamond-like metal-carbon atomic scale composites and diamond-like atomic-scale composite (DL ASC) materials. Based on a unique combination of the coating fine structure, properties of the coating / substrate interface, and the mechanical and electrical properties of the coating, the disclosed smart coatings would integrate various high resolution sensors and interconnections, and the sensor would diagnose dangerous stress distribution in the coated subject with no distortion in real time, while these diamond-like coatings would simultaneously provide environmental protection of the coated surface and improve its aerodynamic quality.

The invention provides a physical simulation experimental device for oil and gas charging of a fracture-cave carbonate reservoir. The physical simulation experiment device comprises a fracture-cave model, an experiment table with a window, surrounding rock and a camera shooting and monitoring system, wherein the fracture-cave model comprises simulation caves in different sizes and simulation fractures in different sizes, and the simulation caves are communicated through the simulation fractures; the fracture-cave model is arranged in the experiment table with the window, and the simulation caves in at least one side of the fracture-cave model are visible through the window of the experiment table; the surrounding rock surrounds the fracture-cave model to form the fracture-cave carbonate reservoir in a simulating manner; and the camera shooting and monitoring system is used for detecting and adjusting changes of both the flow rate and pressure in the charging process and recording images, displayed in the window, of the fractures and the caves in the charging process. The invention further provides a physical simulation method for oil and gas charging of the fracture-cave carbonate reservoir, and the physical simulation method employs the experimental device. According to the physical simulation method and the physical simulation experimental device for oil and gas charging of the fracture-cave carbonate reservoir, an oil-gas-water distribution rule can be obtained according to such parameters as karst, fractures, crude oil density and oil-gas-water distribution.

A system and method for delivering a flow of breathing gas to an airway of a patient. A characteristic that varies based on variations of the flow of the breathing gas is monitored and used to determine a Target Flow for the gas delivered to the patient. The Target Flow is set to a level sufficient to treat Cheyne-Stokes respiration or a sleep disordered breathing event. The Target Flow is altered if the patient experiences a sleep disordered breathing event. In a further embodiment, the system determines an apnea detection time (Tapnea) as Tinsp plus a constant, and delivers a machine triggered breath if an amount since the start of inspiration reaches Tapnea. Yet another embodiment monitors the characteristic during an inspiratory phase of a respiratory cycle, and controls the flow of gas during the inspiratory phase of the respiratory cycle based on a result of this comparison.

A flooring system comprising a plurality of electrode pairs in contact with a metaplastic composite material. The metaplastic material is such that it locally conducts electrical current in an area where any load is applied to the metaplastic. An electric potential is applied to one or more interdigitated electrodes located at a face of the metaplastic material in line with applied loads. Larger area coverage can be obtained either by pre-installing a subsurface layer comprising of an array of interdigitated electrodes and their trace line outputs and then covering this layer with a tiling of metaplastic material sheets that is in direct contact with the array of interdigitated electrodes, or, by directly attaching one or more interdigitated electrodes and their output trace lines to an individual sections of metaplastic material and electrically interconnecting their outputs. By applying a sufficient number of interdigitated electrodes and sheets of the metaplastic material and monitoring the electrical current flowing in each interdigitated electrode so placed, it can be determined whether and where loads are being applied to the PCC flooring material and the approximate size and shape of the load.

Methods, devices and device components are presented for blood processing. Particularly, methods, devices and device components are presented for separating blood into blood components and collecting one or more separated blood components, which reduce the incidence of blood vessel infiltration and enhance donor comfort. In one aspect, the invention provides blood processing methods having a return flow rate which decreases systematically during a return time. In another aspect, the invention provides blood processing methods having a removal flow rate, return flow rate or both which are derived from a subject's total blood volume. In another aspect, the present invention provides blood processing methods wherein the fraction by volume of removed blood corresponding to collected components is selected to optimize blood processing efficiency and enhance the purities of collected blood components.

One or more crack inhibitors can be installed to improve fatigue performance by producing stress states that prevent or inhibit crack initiation. Crack inhibitors can also prevent or retard crack growth. A mandrel can be used to radially expand the crack inhibitors to both induce compressive residual stresses and to form an interference fit between the crack inhibitor and a workpiece. The mandrel can be removed from the installed crack inhibitor, which is left in the workpiece to ensure proper stress states are maintained.

The invention discloses a ceramic polished brick and a production method and a production line of the ceramic polished brick. The production line comprises a range-shaped texture forming set, a material block forming set, an atomization spraying system, a third material distributing device, a first roll pressing device, a cutting device, a gorge-shaped texture forming set, a sixth material distributing device, a second roll pressing device, a seventh material distributing device and a press device, all of which are sequentially connected through a belt. According to a preparing method, color attaching pulp is attached to a micro powder stack jointly formed by material blocks formed by a range-shaped texture material belt subjected to the action of a texture manufacturing device and tooth roller crushing, the poking operation and super-through line material filling procedures are carried out on pressed powder through two sets of different mechanical arm combinations, wherein the pressed powder is formed through material supplementing, prepressing and cutting and edge removing. The polished brick obtains the polished brick decoration texture jointly composed of the range-shaped texture, the lava-shaped texture and the gorge-shaped texture. The range-shaped texture is smooth and natural, the edge of the lava-shaped texture has color lines fine like silk yarn, the texture is infinitely close to the difference texture of natural stone, and the stone imitating effect is extremely good.

A starter for automotive engines is provided which is equipped with a pinion carrier which is shifted by a magnetic attraction, as transmitted from a solenoid switch through a shift lever, to establish engagement of a pinion with a ring gear jointed to the engine. If thrust acting on the pinion carrier to urge the pinion against the ring gear through when the pinion has been shifted and hit the ring gear, so that the pinion is placed in abutment with the ring gear is defined as N (Newton), and the mass of the pinion carrier is defined as g (gram), a relation of g / N≦6 is met. This improves the ability of engagement of the pinion with the ring gear, thus resulting in an increased life span of the starter.

The present invention is directed to a bearing surface on a slider having a center split pressurization feature which minimizes the effects of altitude or change in ambient air pressure on the flying characteristics of the slider. After a cavity dam and a subambient pressurization cavity is the center split feature. The center split feature is located proximate the centroid of the slider body and the bearing surface. The center split feature has, at least, three levels including a first center split level a second center split level and a third center split level. The first center split level is at the same level as the bearing surface level and is located closest to the centroid. The second center split level is located forward of, in the direction of air flow, the first center split level. The second center split level is also recessed from the first center split level to the same level as the first recessed level. The third center split level is located forward of the second center split level and is recessed from the second center split level.

To provide a substrate with a conductive film for an EUV mask blank, which has a conductive film having a low sheet resistance, excellent surface smoothness and excellent contact to an electrostatic chuck, and with which deformation of the substrate by the film stress in an EUV mask blank can be suppressed.A substrate with a conductive film to be used for producing a reflective mask blank for EUV lithography, comprising a conductive film formed on a substrate;wherein the conductive film has at least two layers of a layer (lower layer) formed on the substrate side and a layer (upper layer) formed on the lower layer; andthe lower layer of the conductive film contains chromium (Cr), oxygen (O) and hydrogen (H), and the upper layer of the conductive film contains chromium (Cr), nitrogen (N) and hydrogen (H).

The present invention provides a balloon control device for an endscopic apparatus, which supplies and sucks a fluid to and from either a balloon mounted to an inserting section of the endscopic apparatus or a balloon mounted to an insertion assisting tool covering the inserting section for assisting the insertion of the inserting section, comprising a buffering section in a tube path through which a fluid flows so as to buffer a change in pressure of the fluid, in order to control an inner pressure of a balloon by reducing a difference between a pressure in the balloon and a pressure in a tube path.

A vehicle includes at least one polyoxymethylene structural support member. The polyoxymethylene structural support member includes a polyoxymethylene component that is a propellant that provides thrust to the vehicle upon pyrolysis or combustion of the polyoxymethylene component of the product of pyrolysis of the polyoxymethylene component. The vehicle can be a satellite or other type of spacecraft.

Provided is an active energy ray-curable pressure-sensitive adhesive for re-release, which has a small influence on an environment or a human body, can be easily handled, can largely change its pressure-sensitive adhesiveness before and after irradiation with an active energy ray, and can express high pressure-sensitive adhesiveness before the irradiation with the active energy ray and express high releasability after the irradiation with the active energy ray. The active energy ray-curable pressure-sensitive adhesive for re-release includes an active energy ray-curable polymer (P), in which the polymer (P) includes one of a polymer obtained by causing a carboxyl group-containing polymer (P3) and an oxazoline group-containing monomer (m3) to react with each other, and a polymer obtained by causing an oxazoline group-containing polymer (P4) and a carboxyl group-containing monomer (m2) to react with each other.

A drawing apparatus to perform drawing on a drawing target surface which is a surface of a fingernail or toenail having a curved shape includes a drawing tool holder which holds a drawing tool in such a way that the drawing tool is movable toward and away from the drawing target surface; and a drawing tool pressing mechanism which presses the drawing tool with a pressing force toward the drawing target surface when the drawing tool performs drawing. The drawing tool pressing mechanism changes the pressing force in accordance with a change in height of a position to be touched by the drawing tool on the drawing target surface according to the curved shape due to a change in position where the drawing tool touches the drawing target surface, to reduce a change in pressure on the drawing target surface from the drawing tool.

A fluidic micro-electromechanical device includes a pressure compensating subsystem that enables the device to operate consistently in changing environmental pressure conditions. Such a fluidic micro-electromechanical device includes an actuator having an actuator cavity underneath an actuator membrane, the actuator membrane moving in response to a driving signal applied to an actuator electrode, and a pressure compensating chamber coupled to the actuator cavity.

The invention relates to a security-enhanced authorizing and authenticating method of mobile application. The security-enhanced authorizing and authenticating method of the mobile application, disclosed by the invention, comprises the following steps: registering, and acquiring basic information of the mobile application by a publishing system; pre-authorizing, generating a pre-authorizing code of the mobile application by utilizing the basic information, and embedding the pre-authorizing code in a mobile application program; performing enhanced publishing and authorizing, automatically detecting whether the pre-authorizing code and the basic information of the mobile application are correct or not by the publishing system, if so, automatically publishing, collecting practical feature information and a publishing code of the mobile application, and generating a security-enhanced authenticating code with the pre-authorizing code; reliably installing, acquiring the practical feature information, the pre-authorizing code and the publishing code of the mobile application while installing the mobile application so as to generate the security-enhanced authenticating code, and authenticating reliable installation; and reliably starting, in the event of starting the mobile application every time, detecting whether the pre-authorizing code is correct, and starting if the pre-authorizing code is correct. The invention provides a method for detecting the security reliability of the mobile application; and therefore, the problem that user information is stolen as the mobile application is maliciously tampered is effectively avoided.

A vehicle includes at least one polyoxymethylene structural support member. The polyoxymethylene structural support member includes a polyoxymethylene component that is a propellant that provides thrust to the vehicle upon pyrolysis or combustion of the polyoxymethylene component of the product of pyrolysis of the polyoxymethylene component. The vehicle can be a satellite or other type of spacecraft.

This invention relates to a method for the preparation of a hydrocarbon synthesis catalyst, preferably, a Fischer Tropsch synthesis catalyst. The invention also extends to the use of a catalyst prepared by the method according to the invention in a hydrocarbon synthesis process, preferably, a Fischer Tropsch synthesis process. According to a first aspect of the invention there is provided a method for the preparation of a hydrocarbon synthesis catalyst, the method including the steps of: (a) providing a melt including a mixture of at least one metal iron oxide and a catalyst promoter selected from the group consisting of at least one of a source of an alkali metal and a source of an alkali earth metal; (b) subjecting the melt to a fluid stream so as to thereby disperse the melt into droplets including the metal iron oxide and the catalyst promoter; and (c) quenching the droplets of the melt so as to form the hydrocarbon synthesis catalyst in the form of solid particles including the metal oxide and the catalyst promoter.

The invention is suitable for the technical field of wind tunnel tests, and provides a pressure measuring device and a pressure measuring method. The pressure measuring method comprises the followingsteps that: a pressure measuring end in the pressure measuring device is connected with each measuring point of a test model located in an icing wind tunnel; when the icing wind tunnel is in a staticstate, a pressure adjuster is adjusted to enable the adjusted pressure in a variable-pressure cavity, the adjusted pressure in a constant-pressure cavity and the internal pressure of the icing wind tunnel in the static state to be equal; when the icing wind tunnel is in a windward state, the reading of a differential pressure scanning valve is enabled to be positioned on the two sides of the measuring range of the differential pressure scanning valve; when the wind speed in the icing wind tunnel is stable, the attack angle of a test model is changed, and the reading of the differential pressure scanning valve is enabled to be located on the two sides of the measuring range of the differential pressure scanning valve; and the pressure of each measuring point is calculated. According to thepressure measuring device and the pressure measuring method provided by the invention, the differential pressure scanning valve cannot be over-range, and the safety of measurement is ensured.

A stress measurement device is arranged such that image processing is carried out with respect to each of a plurality of particles dispersed in an RP model to which light is emitted, movement directions and movement amounts of the respective plurality of particles in the RP model are found, and a three-dimensional stress occurring in the RP model is measured by use of a result of the finding. The stress measurement device includes: a retaining section which retains the RP model while soaking the RP model in a refractive index matching solution having a refractive index that matches a refractive index of the RP model; and a load application mechanism and a load application mechanism which apply a load to the RP model retained by the retaining section.

The invention discloses a double-way controllable material returning valve for a circulating fluidized bed boiler, belongs to a material returning device of a circulating fluidized bed boiler and in particular relates to a flow rate regulating device. According to the double-way controllable material returning valve, a partition plate is arranged in a material charging pipe of the material returning valve, the lower part of the material charging pipe is partitioned into two parts, each of the two parts is connected with a moving filling bed, the moving filling beds are respectively connected with two material returning beds, material returning pipes are connected behind the material returning beds, and air distribution systems are respectively arranged on the lower parts of the moving filling beds and the material returning beds. The material returning valve has two loops, so that materials are charged at a single point and returned at a plurality of points; and according to a flow rate controlling principle of the material returning valve, pressure of the material charging pipe on two sides of the partition plate is changed by regulating the volume of flexible air on the lower parts of the two moving filling beds, so that a material charging ratio in which materials on the upper part of the material charging pipe are charged into two sides of the lower part of the partition plate is regulated, and the material flow rates at two material returning points are regulated. By the material returning valve, the materials can be uniformly charged into a hearth, so that the material returning uniformity of hot materials in cross sections of the beds of the large-scale circulating fluidized bed boiler is greatly increased.

The invention provides a nursing bed having functions of monitoring risks, relieving pressure and assisting in overturning. The nursing bed comprises a bed bottom frame, a bed frame and a mattress, wherein the bed frame comprises a left region and a right region, and is erected on the bed bottom frame; an overturning assisting mechanism is arranged at the bottom in the bed bottom frame; a pressuresensor is arranged in the mattress, and is connected with an information acquirer; the information acquirer is connected with a host machine processor; the host machine processor is used for performing real-time monitoring and analyzing on pressure; when local pressure of the mattress is greater than bed sore risk alarm pressure, and the duration time is greater than bed sore risk alarm time, thehost machine processor sends an alarm to control the overturning assisting mechanism to overturn; an air sac core layer is also arranged in the mattress; and when the local pressure on the mattress is greater than pressure relieving starting pressure, and the duration time is greater than pressure relieving starting time, the pressure is relieved by the air sac core layer. The nursing bed disclosed by the invention can perform real-time monitoring on man-bed interface pressure; and based on the monitoring result, the pressure relieving design and the overturning assisting design are combined,so that different supporting requirements of people of different shapes are met, and intelligent pressure relieving and nursing are realized.

The invention relates to a long telescopic soot blower used for removing soot and slag on the surfaces of heating furnaces in the petrochemical industry, heating furnaces in the power industry, and the like. The soot blower comprises a box body (4), a moving cart (3), an outer soot blowing pipe (5), an inner blowing pipe (12), a steam inlet valve (1) and an operation mechanism (2), wherein the moving cart (3) comprises an electromotor (303) and a double-output-shaft speed reducer (304); the other output shaft of the double-output-shaft speed reducer (304) is provided with a main driving disk (305) and a speed reducer chain wheel (306); the main driving disk (305) is provided with a semicircular annular slot (309), and a pin (308) is embedded in the slot (309) and fixedly connected with the speed reducer chain wheel (306); the outer soot blowing pipe (5) is horizontally arranged in the box body (4), and the outer edge of the outer soot blowing pipe (5) is provided with a soot blowing pipe chain wheel (501); and the soot blowing pipe chain wheel (501) is connected with the speed reducer chain wheel (306) through a chain. In the invention, the outer soot blowing pipe has no blowing dead angles; the pressure of fillers in a filler box is stable; the matching in the steam inlet valve is precise; and the pressure of a steam outlet can be regulated.

The invention relates to a device for providing a signal in response to a change of the ambient pressure, comprising a pressure sensor (S) for providing a pressure signal (DS) depending on an ambient pressure (p), and a signal processing unit (SVE) mounted downstream of the pressure sensor (S) and comprising at least one analog logarithmic system and at least one high-pass filter system.

The knitting machine (1) has a yarn feeding portion (2), an active region (3), and a thread tension compensating device (11) between the yarn feeding portion and the active region. The quality of knitted fabric is reduced to the minimum through a simple method. Therefore, the thread tension compensating device (11) can be actuated from the outside through a control device (17, 24) with which a natural frequency of the tension compensating device is varied.