103results about How to "Security pressure" patented technology

A system of non-reactive components for moving or for moving and stretching plastic tissue that exerts a relatively constant dynamic force over a variety of distances and geometries, that is easily adjustable, and is self-adjusting. This system includes a “button anchor system” for moving tissue, particularly including deep fascia and muscle layers of the abdominal or thoracic cavity wall, in surgical, post surgical, and post traumatic reconstruction where the wound margins are beyond a distance that permits normal re-approximation. Button anchor assemblies allow re-approximation of severely retracted abdominal wall and full thickness thoracic wounds where a closure force is required to be applied to the sub-dermal layers. Systems of this invention allow for such a force to be applied and externally controlled during treatment.

A safety cap made of a mesh casing body and attachment frame and attached by snap-fitting or screw engagement to the pressure release valve of a pressure cooker or to the inner surface of the lid of the cooker so as to cover the pressure release valve, thus allowing no food particles to reach the pressure release valve and preventing the pressure release valve from being clogged.

A pressure sensor for an extracorporeal circulating circuit includes a liquid chamber, a pressure measuring means, and a liquid flow path. The liquid chamber includes a reference surface not deformed by a pressure in the extracorporeal circulating circuit, a deforming surface disposed separated from the reference surface and deformed at least partially by a pressure in the extracorporeal circulating circuit, a first connection surface that joins the deforming surface with the reference surface to form a closed liquid-tight space inside them and is not deformed by a pressure in the extracorporeal circulating circuit, a liquid inflowing port provided in the side surface of the first connection surface, and a liquid outflowing port disposed away by ½ to less than one round from the inflowing port in the flowing direction of liquid introduced along the inner periphery of the side surface of the first connection surface. The pressure measuring means measures the deformation amount of the deforming surface, and is disposed outside the liquid chamber; and the liquid flow path is liquid-tightly connected with the liquid inflowing port so that liquid to be introduced into the liquid chamber flows in along the inner periphery of the side surface of the first connection surface.

A system and method of moving and stretching plastic tissue using dynamic force. An elastomeric driver is adjustably attachable to one or more anchors for securing the elastomer to the plastic tissue, providing a self adjusting system that is capable of exerting relatively constant tension over a certain distance.

The blood pressure monitoring apparatus includes blood pressure measuring device for measuring the blood pressure employing a cuff, pulse wave propagation time measuring device for measuring the pulse wave propagation time, hemodynamics measuring device for measuring the hemodynamics, and control device for controlling the blood pressure measuring device on the basis of a change in pulse wave propagation time measured by the pulse wave propagation time measuring device and a change in hemodynamics measured by the hemodynamics measuring device, wherein the control device controls the blood pressure measuring device to measure the blood pressure on the basis of the amount of change and change trend in the pulse wave propagation time measured by the pulse wave propagation time measuring device, and the amount of change and change trend in the hemodynamics measured by the hemodynamics measuring device.

A multi-piece safety wheel includes a plurality of circumferentially spaced, interlocking bosses and tabs on the inner rim portion and outer rim portion. In the event of improper disassembly of the wheel with an inflated tire mounted thereon, any failure of the wheel assembly fasteners will result in the outer rim portion separating from the inner rim portion a sufficient distance to vent air pressure from within the tire, at which point the interlocking bosses and tabs resist further movement of the outer rim portion. The outer rim portion is thereby resisted from becoming a potentially dangerous projectile. A method of safely deflating the tire upon improper disassembly of the multi-piece safety wheel is also provided.

The present invention provides one effective way for solving the problems of power consumption and temperature raise in valve controlled hydraulic elevator. In the frequency-varying driving hydraulic elevator, voltage-varying and frequency-varying technology is used to control the rotation speed of triphase AC asynchronous motor and thus the output flow rate of the rationing hydraulic pump and the upwards running speed of cage jacked by hydraulic plunger cylinder; or braking moment is provided to control the rotation of the rotioning hydraulic motor and thus the downwards cage speed. The frequency-varying speed-regulating hydraulic control system can lower greatly the elevator power consumption. When frequency converter with feedback function or similar feedback device is used, energy may be fed back to power network for saving power and reaching stable braking.

The invention relates to a triaxial rheological experimental device for tailings materials. The triaxial rheological experimental device comprises a pressurized top plate, a pressurizing shaft, a heavy weight I, an outer cover plate, a hook, a heavy weight II, a pressure transmitting ring, an inner cover plate, a convex groove, a rubber film, a clamping ring, a push-pull rod, a pressurizing plate, an upper water barrier, a pressure plate, a pressure-bearing steel cylinder, a pressurizing cavity, a dense wire gauze, a lower water barrier, a pore water pressure-measuring connecting pipe, a water injection pipe nail, a pore water drainage connecting pipe, a drainage pipe nail, a pressure-measuring pipe nail, a confining pressure measuring pipe, a drainage pipe, a pore water drainage pipe, a water injection pipe, a pore water pressure measuring pipe, a vibrator, a container bottom plate, a pressure transmitting ring reserved groove, a pressure transmitting ring connecting tank, a clamping ring tank, a vibrating spring, a bottom plate groove, a water barrier pressure-measuring port, a water barrier drainage port, a pore water pressure-measuring inlet, a water injection pipe outlet, a pore water drainage pipe inlet, a drainage pipe inlet, a confining pressure pressure-measuring pipe inlet, a confining pressure ring screw thread and a fixing groove. According to the experimental device, the reliability and accuracy of rheological parameters of the measured tailings materials are improved, and financial resources and material resources are saved.

A protective device attached to a pressure release valve of a lid of a pressure cooker, including a dome-shaped mesh casing body, a ring-shaped reinforcing frame fixed to the upper edge of the mesh casing body, a bridge plate provided on the reinforcing frame with both ends thereof fixed to the reinforcing frame so that the bridge plate diametrically crosses the ring-shaped reinforcing frame keeping distance from the bottom of the mesh casing body, and an attachment member of substantially a hollow cylinder provided at the center of the bridge plate.

The invention discloses an emergency fire extinguishing device based on an intelligent system. The emergency fire extinguishing device comprises a housing, wherein a working cavity is formed in the housing; a water storage container is fixedly arranged on the inner wall of the rear side of the working cavity; and a water storage cavity is formed in the water storage container. According to the emergency fire extinguishing device, a sealing push block is adopted, the air pressure of the water storage cavity is increased through the up-down movement of the sealing push block, and the pressure during water spraying is guaranteed; a water stop block is adopted, so that water stored is prevented from flowing out when the device moves; and an air pressure push plate is adopted, and the air pressure push plate moves rightwards in time when the air pressure of the water storage cavity is reduced, so that the subsequent timely operation of a pressurizing assembly is guaranteed, and the currentsituation that most of existing automatic spraying devices are fixed, in places with particularly serious fire disasters, a single automatic spraying device cannot play a role in extinguishing fire intime, and the adjacent automatic spraying devices cannot play a role in assisting due to the fact that the distance is too long is avoided.

A trash rack for an emergency core cooling system of a nuclear power plant comprises at least one wire-mesh upright screen for filtering debris from coolant flowing in the cooling system. The upright screen is mounted in the coolant flow path with its bottom edge on the floor of an area forming part of the cooling system and a top edge is disposed above the floor at a height less than the level to which the coolant can be expected to rise during a loss of cooling accident. The trash rack also uniquely includes a wire-mesh roof screen that has a downstream edge mated with the top edge of the upright screen and extending upstream thereof to an upstream end spaced from the floor, thereby presenting an unobstructed opening between the floor and the upstream edge of the roof screen.

A pharmacological composition including a component having pressure reductive activity obtained from Mycoleptodonoides aitchisonii fruit body which is safe and cheap, harvested constantly year-round by artificial cultivation, with equal quality, and useful for prevention and/or amelioration of symptom of hypertension caused by angiotensin I converting enzyme or the like. The invention also includes foods or beverages containing the pharmacological compositions, and methods of preventing or treating hypertension by administration of the composition.

An aircraft aerial refueling system including at least one pressure controlled fuel pump having a control system adapted to regulate the pump outlet fuel pressure using an outlet fuel pressure signal as control feedback. Also, methods of operating an aircraft aerial refueling system.

The invention discloses an environment-friendly asphalt storage system and belongs to the technical field of asphalt fume treatment. The environment-friendly asphalt storage system comprises a heavy oil tank and asphalt tanks. The heavy oil tank and the asphalt tanks are arranged in parallel connection. The environment-friendly asphalt storage system further comprises an asphalt fume cooling absorption device, an oil unloading device and a pump set. The upper ends of the heavy oil tank and the asphalt tanks are connected with the asphalt fume cooling absorption device through a first pipeline. Asphalt fume generated when the heavy oil tank and the asphalt tanks are heated enters the asphalt fume cooling absorption device, and a condenser in the asphalt fume cooling absorption device captures small granules in the fume and purifies the granules before the granules are discharged; one ends of the heavy oil tank and the asphalt tanks are connected with safety pressure devices correspondingly, and when pressure in the heavy oil tank and the asphalt tanks exceeds a set pressure value, the safety pressure devices control the pressure in the tanks to be released; and the other ends of the heavy oil tank and the asphalt tanks are connected with a second pipeline, and the second pipeline is connected with input equipment, the oil unloading device and the pump set. According to the environment-friendly asphalt storage system, an innocent treatment process is achieved, harmful ingredients are degraded, and fume emission is made to meet relevant standards.

The invention relates to an abnormal system service call detection method and system. The abnormal system service call detection method and system are mainly used for monitoring the phenomenon that an operator handles services illegally and storing operator information, service information and time in a log output mode to for manual inspection. When the operator handles the services illegally, because scripts similar to plug-in scripts are used for assisting a user in service handling, access rate is higher than that of manual handling. Because layer monitoring is added to a public page, loading time is accordingly recorded by a web server when the handing interface of each service is loaded, and loading time is recorded through a queue every time. The length of the queue is a fixed value, and when the number of time recorded in the queue reaches the fixed value, front time and tail time are compared. If the time difference is smaller than a threshold value, the operator information, the service information and the time are recorded in a log mode and session information of the operator is cleared to stop the operator from continuing handing services. In order to flexibly set the length of the queue and threshold values and guarantee system pressure, the queue length and the threshold values are recorded in a configuration file mode.

The invention discloses a disposable dry sealing valve type chest drainage device. The device comprises a main shell, a panel, a drainage pipe interface, a negative pressure machine interface, a negative pressure adjusting component, a support, a pressure relief opening, an air leakage displayer, an anti-backflow pipe, a one-way valve, a plunger, multiple cavities and the like. Accordingly, by means of the negative pressure range of a novel variable crosse section area adjusting device, negative pressure values are adjusted conveniently through a sliding plate, and under the action of the negative pressure machine, the negative pressure pumping capacity of the proper pressure range is provided; by means of the multiple-cavity structure, a U-shaped pipe structure is built, and the safe sealing function is generated by means of water or other liquid; various pressure display and protection devices are arranged, and the chest pressure safety is effectively guaranteed.

The invention relates to the technical field of unmanned aerial vehicle equipment, and particularly discloses a hydrogen fuel cell unmanned aerial vehicle high-pressure gas cylinder valve. The hydrogen fuel cell unmanned aerial vehicle high-pressure gas cylinder valve comprises a valve body base (1); a first mounting cavity (2) communicating with the interior of the valve body base is arranged inthe side wall of the valve body base and is internally provided with a high-pressure stop valve (3); one end of the high-pressure stop valve is located outside the valve body base; the other end of the high-pressure stop valve is located inside the valve body base; the two ends of the valve body base are provided with a first connector (4) and a second mounting cavity (5) separately; the second mounting cavity and the first mounting cavity communicate with each other through a first channel (6) arranged in the valve body base; the first connector is connected with a high-pressure gas cylinder(7); and a reducing valve (8) is arranged inside the second mounting cavity and provided with a gas outlet connector (9). The hydrogen fuel cell unmanned aerial vehicle high-pressure gas cylinder valve has the characteristics of being small in size, good in stability, high in control efficiency and good in safety.

The invention relates to a marsh gas pool, which consists of a fermentation room, a gas storage room, a pool bottom, a water pressure room, a feed pipe, a gas-guide tube and a pipeline, wherein the pool bottom and the water pressure room are positioned at the lower bottom of the fermentation room; the feed pipe and the gas-guide tube are arranged on the gas storage room; the pipeline communicates the fermentation room, the gas storage room and the water pressure room; the water pressure room is communicated with the fermentation room through a communicating pipe which is arranged in an inclination way and is 80 to 100 cm higher than the bottom of the fermentation room; a manure pumping pool is arranged besides a manure storage pool; the pool bottom of the manure pumping pool is higher than the manure storage pool; a discharge tube is arranged in the manure pumping pool; the lower end of the discharge tube extends to the bottom of the marsh gas pool; a sidewall close to the bottom of the manure pumping pool is provided with a return pipe communicated with the feed pipe; and one end of the feed pipe is positioned out of the marsh gas pool, while the other end is arranged in the fermentation room.

The invention relates to the technical field of a pet ball cleaning device, and discloses a cleaning device for a rubber ball for a pet dog. The cleaning device comprises a shell, and a transverse bearing plate is fixedly connected between the inner walls of the left and right sides of the shell. Transverse movable through grooves are separately formed in both sides of the upper surface of the transverse bearing plate, and the inner sides of the two transverse movable through grooves are movably connected with transverse connection movable blocks correspondingly. A transverse circulation driving mechanism is fixedly connected to the intermediate position of the inner side bottom of the shell, and the transverse circulation driving mechanism and the two transverse connection movable blocksare connected. According to the cleaning device for the rubber ball for the pet dog, a traditional way of cleaning a rubber ball body by manual use of a brush by manpower is changed through mutual matching of the shell, the transverse bearing plate, the transverse circulation driving mechanism, positioning movable clamp mechanisms, a pressure adjustment mechanism, a small double-axis motor and vertical guide slide rails, and meanwhile, foreign matter in dog mark grooves of the surface of the rubber ball body is effectively removed.

A device for filing and/or abrading the multiple surfaces and/or edges of an object end so that they are less sharp, rough, dangerous, or so that they better conform to a desired shape. Embodiments of the device may comprise filing surfaces for filing the multiple object surfaces and/or edges thereof without requiring substantial repositioning of either the device or the object with surfaces and/or edges being filed. Moreover, embodiments of the device may be useful for filing sets of both the inner and outer object surfaces and/or edges thereof without requiring substantial repositioning of either the device or the object, and therefore in a more efficient and less dangerous manner. It is anticipated that some embodiments may comprise filing surfaces arranged in a manner configured to file the surfaces and/or edges of a strut end.