57results about How to "High inflation pressure" patented technology

A multicylinder internal combustion engine with an exhaust-driven turbocompressor and with a divided exhaust flow has at least two exhaust valves and one intake valve per cylinder. A first exhaust valve is connected to a first exhaust manifold which leads to the turbine of the compressor, while a second exhaust valve is connected to a second exhaust manifold which opens downstream of the turbine. In the top dead center position of the piston, the second exhaust valve and the intake valve are open at the same time for a period. The synchronization between these valves is such that the length of the period during which they are open together increases with the engine speed when the engine is driven at high load. In this way, the possibilities are improved of the engine providing good torque over a wide engine speed range.

A method of making a fiber-reinforced medical balloon is described herein. The method entails pressurizing a portion of a balloon, and ejecting a fiber precursor fluid from at least one nozzle adjacent to the portion. One or more fibers are formed from the fiber precursor fluid and deposited on an exterior surface of the portion. Preferably, the fibers are polymer nanofibers, and the method is carried out using an electrospinning process.

An inflatable toroidal-shaped balloon for medical use is provided with a central opening traversing the balloon in an inflated state. The balloon is useful to achieve larger outer diameters than conventional balloons.

The present invention relates to a turbocharged internal combustion engine (ICE) system having fast response to increased power demand and reduced response time lag. The system includes a vortex tube for delivering cold air into the turbocharger compressor where it may be used to cool the impeller, and / or accelerate the impeller rotational speed, and / or favorably shift the compressor surge line at low speeds and high loads. Cold air from the vortex tube may be also used to operate an ejector pump in the intake duct which further compresses intake air and increases engine charge weight during periods of high power demand. In addition to increasing engine output power, delivery of cold air into engine intake also reduces engine pre-ignition (knocking) thereby reducing emissions. The invention also relates to a method for operating a turbocharged internal combustion engine.

A method of making a fiber-reinforced medical balloon is described herein. The method entails pressurizing a portion of a balloon, and ejecting a fiber precursor fluid from at least one nozzle adjacent to the portion. One or more fibers are formed from the fiber precursor fluid and deposited on an exterior surface of the portion. Preferably, the fibers are polymer nanofibers, and the method is carried out using an electrospinning process.

An object of the present invention is to provide a water absorbent having excellent gel properties and showing excellent properties when used in a water-absorbing material of a sanitary / hygienic material such as paper diaper. Moreover, another object of the present invention is to provide a water absorbent which is safe and excellent in liquid permeability, and in which an amount of liquid permeability improver for improving the liquid permeability is reduced. The water absorbent is made from a water-absorbing resin prepared by a specific polymerization method and having a high degree of cross-linking, a high liquid holding property and a high gel strength (its swelling pressure of gel layer of is 35 kdyne / cm2 or more). This water absorbent is further processed to have a particular particle size distribution (95 wt % or more of its particles are less than 850ƒÊm but not less than 106ƒÊm, and logarithmic standard deviation (ƒĐƒÄ) is in a range of 0.25 to 0.45) and then surface cross-linked. After that, a liquid permeability improver is added therein.

The invention discloses a simulation experimental apparatus and method for mechanical property of gas-containing coal rock under uniaxial compression. The apparatus comprises a coal sample container,a stress loading system, a gas filling system, a gas detector, a VIC-3D non-contact full-field strain measuring system and an acoustic emission system, wherein the coal sample container comprises a coal sample container shell and a coal sample placement chamber; the top of the coal sample container shell is connected with a piston in a sealed manner; a first multi-purpose air hole is formed in oneside of the coal sample container shell, and a second multi-purpose air hole and a transparent sight glass are arranged on the other side of the coal sample container shell; and the stress loading system comprises an electronic universal testing machine and a first computer. The method comprises the following steps: 1, performing test sample preparation; 2, establishing a testing apparatus; 3, detecting air tightness of the apparatus; 4, testing in a gas-free environment; and 5, testing in a gas environment. The simulation experimental apparatus disclosed by the invention is reasonable in design, convenient to realize and full in functions, the condition that an underground setting coal pillar is positioned in uniaxial loading can be really reflected, and the simulation experimental apparatus is high in practicality and convenient to popularize and use.

This invention relates to the field of balloon catheters and more particularly to catheter balloons having controlled failure mechanisms for the prevention of catastrophic failure of the balloon during overpressure conditions.

The invention is based on a heating system for a motor vehicle, which is driven by an internal combustion engine (10), in which a heater (30) includes a combustion chamber (32) with a fuel injection device (34) and an ignition device (35) and also includes an air blower (40), and is triggered as a function of operating parameters and / or ambient parameters of the motor vehicle and / or of the internal combustion engine (10) or by actuating signals. It is proposed that the combustion chamber (32) is connected to the exhaust system (62) of the internal combustion engine (10) in the region of an exhaust manifold (62) of the internal combustion engine (10), between outlet valves (24) and a exhaust gas catalytic converter (56), via an exhaust line (42).

The invention relates to a dual-purpose device for vehicle cleaning and air inflation, and relates to a vehicle cleaning injection mechanism and an air inflation mechanism. The dual-purpose device is characterized in that: a front cover of a pump body is provided with an air suction port with a one-way valve plate; a steam suction hose is sleeved on an air suction pipe of the extension of the air suction port on the front cover; an inner hole of a tubular body of the extension of an exhaust port on the front cover is provided with a sliding sheet to cover on the exhaust port; a compression spring is compressed between the sliding sheet and a cover cap by the cover cap; the side wall of the tubular body extends to form a radial tube in a one-piece mode; one outlet end, which is communicated with the radial tube, of a three-way solenoid valve is in butt joint with an air inflation head by a pipeline, and the other outlet end of the three-way solenoid valve is communicated with a pipeline at one inlet end of a 'Y'-shaped tee joint by a pressure storage tank; the outlet end of the 'Y'-shaped tee joint is communicated with a hose at the inlet end of a water syringe; the lower part of a detergent tank which is arranged additionally is provided with a drainage port; the air suction port and a feed port are formed on an upper cover; the one-way valve plate is fixed on the inner surface of the upper cover; and the drainage port on the lower part of the detergent tank is communicated with the other inlet end of the 'Y'-shaped tee joint by the pipeline. The dual-purpose device has the advantage of fulfilling the aim of one machine with dual purposes.

An internal combustion engine has a cylinder and an exhaust-gas turbocharger comprising a compressor arranged in an intake system and a turbine arranged in an exhaust-gas discharge system. Various lines are provided for conducting gases including 1) a bypass line branching off from the inlet system downstream of the compressor so as to form an inlet-side junction, and 2) a recirculation line branching off from the exhaust-gas discharge system upstream of the turbine so as to form an outlet-side junction which opens into the bypass line. A first control element at the outlet-side junction adjusts an exhaust-gas quantity conducted through the recirculation line. A second control element at the inlet-side junction has a first position that separates the bypass line from the cylinder and connects the intake line to the cylinder, and a second position that separates the intake line from the cylinder and connects the bypass line to the cylinder.

A method and a device for operating an internal combustion engine improve the response of the internal combustion engine and increase its torque. An exhaust valve of the combustion chamber of the internal combustion engine is opened during a discharge phase of the internal combustion engine for discharging exhaust gas, generated via combustion, from a combustion chamber into an exhaust system of the internal combustion engine. The exhaust valve is closed again and re-opened during this discharge phase.

In a region where the engine load is less than a first predetermined value, only a second exhaust valve that opens and closes a second exhaust passageway that bypasses a turbine of a supercharger is opened. In a region where the engine load is greater than or equal to the first predetermined value and less than a second predetermined value, both the second exhaust valve and a first exhaust valve that opens and closes a first exhaust passageway that leads to the turbine are opened. In a region where the engine load is greater than or equal to the second predetermined value, only the first exhaust valve is opened. A predetermined value for the time of lean combustion is set lower than a predetermined value for the time of stoichiometric combustion.

A network cable skin strength-bearing material relates to skin strength-bearing materials and solves the problems that the skin strength-bearing materials used by the existing air-inflating structure including a stratospheric airship are large in weight and low in bearing capacity, the inner portion of the materials cannot bear high pressure, the shape can not be controlled easily and the like. The network cable skin strength-bearing material comprises a membrane layer, a network cable layer and an adhesive tape layer, wherein the network cable layer is one of six weaving structures weaved by fiber tows. The network cable skin strength-bearing material has the advantages of being light, large in rigidity, strong in bearing strength and capable of bearing larger effective loading, and the equivalent elastic modulus of the material is larger than that of a film with the same thickness. As a soft composite material, the material can meet high configuration requirements of aircrafts and can be conducted with efficient folding without losing mechanical property. The network cable skin strength-bearing material can be used in the field of aerospace and the like and is particularly suitable for outer surfaces of aviation spacecrafts with large dimension.

The invention relates to a high compressed air cylinder filling machine comprising an electric driving machine, a reduction gearbox and a drive shaft. An eccentric driving mechanism comprising at least two eccentric driving wheels is mounted on the drive shaft; at least two swing type compression cylinders are connected in series with a plurality of one-way valves and hose pipes to form a high compression mechanism, and are connected with a piston, a piston rod and a slide ring to be as a whole and then sleeved on the eccentric driving wheels through the slide ring; the other end of the piston rod is connected with a cylinder barrel which is sleeved on a supporting shaft which is mounted in a frame-shaped stand; a confluence plate is mounted on the frame-shaped stand and is provided with a pressure switch, a pressure gauge and a safety valve; the outer circumference of the compression cylinder is provided with concave-convex lines for heat dispersion; the frame-shaped stand is internally provided with a cooling fan, and the frame-shaped stander is provided with a transparent outer cover; the electric driving machine drives the reduction gearbox to transmit rotating motion to the drive shaft so as to enable the eccentric driving wheels to rotate and subsequently to drive the slide ring, the piston rod and the piston entirely to make straight reciprocating motion relative to the cylinder barrel for compressing gas, and the gas compressed by multistage is output to fill in a high pressure storage cylinder.

A method and a device for operating an internal combustion engine improve the response of the internal combustion engine and increase its torque. An exhaust valve of the combustion chamber of the internal combustion engine is opened during a discharge phase of the internal combustion engine for discharging exhaust gas, generated via combustion, from a combustion chamber into an exhaust system of the internal combustion engine. The exhaust valve is closed again and re-opened during this discharge phase.

The invention discloses a gas pipeline sealing detection device capable of being pressurized and with a scale, a detection method and an application. The device comprises a U-shaped transparent hose water column meter; a horn mouth is formed in one end of the U-shaped transparent hose water column meter, and the other end is connected with a hose through a quick joint; the other end of the hose isconnected with a to-be-detected gas pipeline detection port through a quick joint; a tee joint is arranged on the hose; a bypass of the tee joint is connected with an inflation balloon used for inflating the U-shaped transparent hose water column meter and a to-be-detected gas pipeline system; and a movable scale capable of calibrating the initial liquid level is arranged on a middle beam betweenthe transparent hoses on the two sides of the U-shaped transparent hose water column meter. The invention further discloses a detection method and application of the device. According to the invention, the problems of rapid pressurization, insanitation in pressurization, difficulty in large-pressure inflation, poor sealing performance and original water level calibration are solved.

A pressure accumulator for connection to a hydraulic fluid-driven percussion device. The percussion device includes at least one impact piston arranged to carry out a reciprocating motion caused by the pressure from the hydraulic fluid. The pressure accumulator is arranged in communication with a hydraulic fluid space of the impact piston. The pressure accumulator includes a space that extends at least partly around the impact piston when the pressure accumulator is mounted on the percussion device. A partition divides the space into two separate pressure chambers so that the pressure chambers are located an axial direction of the impact piston in relation to each other when the pressure accumulator is mounted on the percussion device. A first of the two separate pressure chambers is intended to be filled with a compressible medium. A second pressure chamber is in fluid communication with the hydraulic fluid space of the impact piston.

The invention discloses a preparation method of a static cracking agent, and belongs to the technical field of cracking agent preparation. According to the invention, organic macromolecular substancesand the like are used for spinning to prepare a nano-fiber net component so as to improve the cracking effect; the hydrogen storage effect is improved by blending a plurality of metal powders and matching the metal powders with the imitating nano-liposome; the breaking strength and effect can be improved by burst of hydrogen during subsequent application; different levels of auxiliary expansion cracking effects are formed by combining a plurality of substances which are expanded when meeting water, and the hydrogen burst degree can be adjusted and the breaking effect is stably improved; by adding a compound mixture composed of bentonite, sepiolite, starch and the like, the static cracking effect can be improved through multi-level expansion of the compound mixture, release and burst of hydrogen are controlled within a controllable range, large expansion pressure is provided, the cracking time is shortened, and cracking can be better completed. The invention solves the problems of lowexpansion pressure, long cracking time and poor cracking effect of a current common static cracking agent.

The invention provides a near-isothermal compressed-air energy storage system and an operating method thereof. The near-isothermal compressed-air energy storage system comprises a high-pressure air storage space, a low-pressure air storage space, a heat collection system, a multi-tank water-pumping compressed-air energy storage device, an energy release part and a compressor, wherein the energy release part comprises a reheater and an expansion turbine; an outlet of the low-pressure air storage space, the multi-tank water-pumping compressed-air energy storage device and an inlet of the high-pressure air storage space communicate with one another sequentially; the outlet of the high-pressure air storage space, the reheater and the expansion turbine communicate with one another sequentially; an outlet of the expansion turbine communicates with the low-pressure air storage space; an inlet and an outlet of the heat collection system communicate with an outlet and an inlet of a heat-conducting medium of the reheater separately; near-isothermal compression is realized in the compression process, so that remarkable compression heat is avoided; closed circulation is adopted, so that the overall air operating pressure is increased, and the energy density of the system is increased; and a multi-tank compression structure is adopted, so that the defect of huge water consumption of a single tank is overcome; and large-scale application of the energy storage system is realized.

Provided is an air-pressure auto-excitation type vibrating subsoiler. The subsoiler comprises a frame, multiple subsoiler shovels and an air pressure adjusting system; the frame includes a cross girder A, a cross girder B, depth limiting wheel supporting arms and suspension arms; a depth limiting wheel is arranged under each depth limiting wheel supporting arm, the cross girder A is arranged parallelly to the cross girder B, an air cylinder A used for adjusting the height of the cross girder A is also arranged between the cross girder A and the cross girder B, the subsoiler shovels are installed on the cross girder A, and the suspension arms are installed on the cross girder B; the subsoiler shovels are connected to the cross girder A through connecting arms capable of swinging up and down, air cylinders B are arranged on the connecting arms, and the` air pressure adjusting system includes an air pressure part and two air pressure control parts, wherein the two air pressure control parts are used for controlling the working states of the air cylinder A and air cylinder B respectively; an ultrasonic probe is arranged on the cross girder B and also connected to a central control system. By adopting air-pressure type auto-excitation vibration, fast adjustment of the rigidity of a vibration source can be achieved, the adaptability of the vibration source to different degrees of soil resistance is improved, and therefore the subsoiling effect is better improved.

The invention relates to a method and device for starting a drive system of a motor vehicle, specifically relates to a method for starting the drive system of the motor vehicle with an internal combustion engine, and especially to a method used for overspeed protection of the drive system. The invention also relates to a device for performing such method. According to the invention, when at least one starting condition used for starting the overspeed protection of the drive system is met, the overspeed protection is started, and the electric generator mold of the electrification exhaust turbine supercharger is started.

The invention discloses a latex glove overturning machine and a use method and application thereof. The overturning machine comprises an overturning device, wherein the overturning device comprises aframe, the frame is internally provided with a rotating divider, one side of the rotating divider is provided with a motor, an output shaft of the motor is connected with the rotating divider, the topof the rotating divider is provided with a feeding cylinder, the bottom of the feeding cylinder is provided with a one-way air inflation nozzle, the bottom of the one-way air inflation nozzle is provided with an air inflation cylinder, the air inflation cylinder is arranged on the bottom of the inner side of the frame, the top of the feeding cylinder is provided with a limiting cylinder, the twosides of the limiting cylinder are provided with connecting rods respectively, and the connecting rods are fixedly connected with the inner wall of the frame. The latex glove overturning machine and the use method and application thereof have the advantages that the overturning device is arranged to be conductive to improving the efficiency of inward and outward overturning of gloves, the operation is simple and convenient, running is stable, the working speed is further increased, and the labor intensity of workers is effectively reduced.

The invention discloses a polishing device and a polishing method of an aspheric optical element, and relates to a polishing device of machining. The polishing device is provided with a base, a work bench rotating drive motor, a work bench reversing drive motor, a work bench rotating shaft, a tri-axial linear motor, a tri-axial lead rail, a work bench reversing shaft, a work bench base, a work bench, an upright post, a beam, a Z-axis base, an air bag tool and a control system. The polishing method comprises the following steps: finishing the polishing of a point on the aspheric optical element and other points on a girdle band by the air bag tool by matching with rotation of the work bench in a two-axis linkage manner; stopping rotating the work bench, controlling the Z-axis linear motor and the work bench reversing drive motor, thus rotating the normal directions of upper and lower polishing points of the element to a vertical direction, calculating the length of the air bag tool needing to be fed on an X-axis direction, and calculating through an X-axis linear motor, and controlling the Z-axis linear motor to downwards drive the air bag tool to match with rotation of the work bench so as to polish the upper and lower polishing points of the element and other points on the girdle band in the two-axis linkage manner.

The invention discloses a latex glove turning machine, a use method and its application. The turning machine includes a turning device, the turning device includes a frame, a rotating divider is arranged inside the frame, and a There is a motor, the output shaft of the motor is connected with the rotary divider, the top of the rotary divider is provided with a discharge cylinder, the bottom of the discharge cylinder is provided with a one-way inflation nozzle, and the bottom of the one-way inflation nozzle is provided with an inflation cylinder , the inflatable cylinder is arranged at the inner bottom of the frame, the top of the discharge cylinder is provided with a restricting cylinder, and both sides of the restricting cylinder are provided with connecting rods, and the connecting rods are fixedly connected to the inner wall of the frame. The invention is equipped with a turning device, which is beneficial to improve the efficiency of turning the gloves inside and outside, is easy to operate, runs stably, further improves the working speed, and effectively reduces the labor intensity of workers.

A method for coking coals having high driving pressure properties in a “non-recovery” or “heat-recovery” coking oven, wherein a coking oven battery which is composed of coking oven chambers arranged side by side is used for cyclic coking of coal, and wherein an amount of coal preheated to a high temperature is admitted into the coking chamber that is to be filled at such a level that the driving pressure resulting from the coking can escape over the coke cake into the gas chamber, in such a manner that the coking oven chamber wall surrounding the coking oven chamber is relieved by the driving pressure resulting from the coking. Also disclosed is a device with which this method can be carried out.

Among the various embodiments, objects and features of the present invention may generally be noted an inflation / deflation syringe that enables one-handed operation to inflate a medical device to a given pressure or volume and one-handed operation to deflate said medical device.

The invention relates to a Kr-85 sealed radioactive source vacuum inflation system and an inflation method. The system comprises a booster pump, an aluminum protection module, a radioactive source tank, a low-temperature recovery tank, a reserved expansion port, an instrument, a valve assembly, a pneumatic control component, a pneumatic pump, a vacuum pump and a control box, wherein the pneumaticpump, the vacuum pump and the control box are used in matching. The inflation method comprises the following steps of source box installation; system vacuumizing; source box leakage detection; raw material gas releasing; inflating or pressurizing and inflating; source shell connection cutting off and source shell sealing; liquid nitrogen adding, and pipeline gas recovering by a raw material tank;and liquid nitrogen adding, and residual gas recovery by a tail gas tank. By means of the system, the operation safety is improved, the Kr-85 sealed source performance is improved, the production process is simplified, the inflation pressure is increased, emergency treatment is conducted on accidents in the radioactive source production process, safety protection measures are set, misoperation isprevented, and meanwhile, efficient recovery of residual radioactive gas is achieved.