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51 results about "Pressure recording" patented technology
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Method and device for simultaneously documenting and treating tension pneumothorax and/or hemothorax
ActiveUS20140046303A1Reduce the possibilityReduce manufacturing costDiagnosticsSurgical needlesPleural cavityAtmospheric pressure
A method and device are provided for simultaneously or near-simultaneously diagnosing and treating tension pneumothorax and / or hemothoraxA Veress-type needle portion includes a hollow needle for puncturing the chest wall over a blunt hollow probe biased by one or more springs to extend distally into the pleural cavity. Openings in the blunt hollow probe connect via a pathway to an automatic check valve, which permits the flow of air and / or fluid only in a proximal direction. Pressure from within the pleural cavity is transmitted to the interior surface of a pressure documenter. If pressure greater than atmospheric pressure is present in the pleural cavity, the pressure documenter will be automatically urged proximally to simultaneously allow air and / or fluid to escape from the pleural space through the device, thus treating the tension pneumothorax and / or hemothorax, as well as providing a stable indicator to positively document the diagnosis of increased pressure.
Owner:CRITICAL INNOVATIONS
Brain retraction sensor
InactiveUS6916294B2Reduce retractor injuryReduce harmElectroencephalographyPerson identificationFocal brain injuryEpilepsy
Owner:AYAD MICHAEL
Rock sample hydrocarbon generation kinetics high pressure thermal simulation experimental method and device
InactiveCN101149363ANo pollution in the processImprove efficiencyEarth material testingChemical methods analysisHigh pressure waterHigh pressure
The invention discloses a hydrocarbon dynamics high pressure thermal simulation experiment method and the device for the rock sample, which belongs to the rock oil and natural gas earth chemical experiment research technology field. The method includes the sealing sample into the gold pipe, putting the gold pipe into the high pressure kettle, putting many high pressure kettle into one pyrolyzing oven, starting the water adding pressure and stabilized voltage system, the pyrolyzing oven, picking out one high-pressure kettle and cooling quickly in different temperature point, closing the pyrolyzing oven and water adding pressure and stabilized voltage system until the high-pressure kettle with sample is picked out, then opening the high-pressure kettle and analysis of the sample; the device is made up of the water adding pressure and stabilized voltage system, the heating system and the controlling system. The water adding pressure and stabilized voltage system includes the water tank, the high pressure water pump and the stabilized voltage valve. The heating system includes the pyrolyzing oven, many high-pressure kettles and circle fan. The controlling system includes the central computer, the pressure controller, the pressure recorder, the temperature controller and multi-way temperature detection recorder. The invention can be used in analysis of the kerogen or rock sample.
Owner:GUANGZHOU INST OF GEOCHEMISTRY - CHINESE ACAD OF SCI
Single-loop hydrofracturing in-situ stress measuring system
InactiveCN104453865AReduce weightReduce labor intensityBorehole/well accessoriesEngineeringMechanical engineering
The invention provides a single-loop hydrofracturing in-situ stress measuring system simple to use and widely applicable, relates to measuring systems and particularly relates to modification of the single-loop hydrofracturing in-situ stress measuring system. The system comprising a high-pressure pump is structurally characterized in that a pressure sensor is provided beside the high-pressure pump, a pressure recorder corresponding to the pressure sensor is disposed under the high-pressure pump, the side of the high-pressure pump is provided with a borehole provided under a derrick, a drill pipe is disposed within the borehole and connected with the high-pressure pump, the lower end of the drill pipe is connected with a packer, a conversion switch is disposed between the drill pipe and the packer, and the middle of the packer is provided with a fracturing segment.
Owner:李忠久
Implantable recyclable pulmonary vessel pressure sensor and use method thereof
An implantable recyclable pulmonary vessel pressure sensor is characterized in that a group of nickel-titanium hyperelastic alloying metal wires is connected in an end-to-end manner to form a self-expanding oval support, a pressure sensor is arranged on any one of the nickel-titanium hyperelastic alloying metal wires of the self-expanding oval support, and a tail hook is arranged at one end of the self-expanding oval support. The self-expanding oval support with the pressure sensor reaches a lesion site through a press holding type delivery catheter, and after fixation is released, the pressure sensor is capable of sensing pressure signals of monitoring sites continuously; when a reader is implanted on the chest skin, real-time pressure signals and measured values can be monitored and displayed through a pressure sensing system in the reader, the reader can be connected to a pressure analyzer through a needle hole connection jack at the bottom end of the reader, the pressure signals can be printed in real time through the pressure analyzer, all pressure records in the reader are stored, and the self-expanding oval support can be recycled at any time through the tail hook. The implantable recyclable pulmonary vessel pressure sensor and a use method thereof have the advantages of simplicity in operation, small test result errors, no pain on patients, low cost, accurate results, wide application and continuous replacement of existing materials.
Owner:陈绍良
Pressurizing device for waist and abdomen
The invention provides a sports instrument which exercises abdominal muscles and improves the functions of visceral organs mainly depending on the physical impact motion inside human bodies without depending on external contact. The sports instrument comprises an abdominal belt, a compressed air pipeline system connected with air bags, a pressure recording device, a recording program, an analysis program and a control program, wherein the air bags are adhered to one side of the abdominal belt; the compressed air pipeline system comprises an air pipeline and a pressure control device; a plurality of pressure sensors are adhered to the side, opposite to the air bags, of the abdominal belt; the pressure recording device comprises a control host; the control host receives the data of the pressure sensors through a receiver.
Owner:ANQING NORMAL UNIV
Pressure recorder
InactiveCN102192810ANo manual recording requiredReduce power consumptionFluid pressure measurementReal-time clockEngineering
The embodiment of the invention discloses a pressure recorder which comprises a waterproof case. A pressure sensor, a collection unit, a storage chip, a power supply unit and a central processing unit are arranged in the case, and the central processing unit comprises a micro-control unit and a real-time clock, wherein the real-time clock is used for awaking the micro-control unit in a timing way through a monitoring circuit, and the power supply unit is used for receiving instructions from the awoken micro-control unit, and respectively supplying power to the collection unit and the storage chip. It is observed that the storage chip can be used for storing collected data without manual recording, therefore the pressure recorder is suitable for pressure measurement without anybody watching; however, after the micro-control unit is awoken, the collection unit, and the like can be supplied with the power, therefore each unit is in a operating state periodically or intermittently, and power consumption is reduced so as to ensure that the whole recorder can operate for a long time.
Owner:BEIJING BRIGHTY INSTR +1
Colour-Forming Materials, Contact Recording Devices and Pressure Recording Devices
InactiveUS20150283839A1Evenly distributedMeasuring points markingMeasurement apparatus componentsElastomerEngineering
The present invention relates to devices and apparatus for detecting contact and optionally its duration and / or recording the level of pressure and / or its duration and / or recording the level of shear force and / or its duration. In particular, certain embodiments of the present invention relate to devices which comprise an element comprising a hydrophobic material and a colour-forming material dispersed in at least a portion of the hydrophobic material. Certain embodiments of the present invention relates to materials comprising a solid dispersion of a colour-forming material in an elastomeric hydrophobic material. The solid dispersion may take the form of a molecular dispersion or a partial molecular dispersion. Also included in the present invention, although not exclusively, are devices which comprise a hydrophobic material, a colour-forming material and a colour developing material wherein the colour forming material and the colour developing material are brought into contact when pressure of a predetermined threshold level is applied or removed from the device.
Owner:ACTIVE DEVICE DEV
Palladium/carbon catalyst hydrogenation activity evaluating method and device
The invention relates to palladium / carbon catalyst hydrogenation activity evaluating method and device. The device comprises a reaction evaluating bottle arranged on an electromagnetic stirrer, a vacuum pump, a hydrogen inlet pipeline and a valve, a vacuum pressure sensor and an emptying pipe, wherein the electromagnetic stirrer is provided with a time relay and a stirrer voltage meter; the vacuum pump is connected with the reaction evaluating bottle through a pipeline and a valve; the hydrogen inlet pipeline and the valve are connected with the reaction evaluating bottle; the vacuum pressure sensor is connected with the reaction evaluating bottle, a pressure recorder is connected with the vacuum pressure sensor; and the emptying pipe is provided with an emptying electromagnetic valve. The invention judges the hydrogenation property of a palladium / carbon catalyst by adopting a method of measuring hydrogen consumption of reaction liquid within unit time per catalyst during the reaction without being evaluated by practical reactions. Active results of a new catalyst and an old catalyst are rapidly compared and clear, therefore, the invention is also suitable for the hydrogenation property evaluation of the palladium / carbon catalyst and other palladium / supporter catalysts.
Owner:DALIAN FENFA TECH DEV
Pressure measuring arrangement
InactiveUS6935179B2Improve sealingIncrease flexibilityFluid pressure measurement by mechanical elementsFluid pressure measurement using capacitance variationModular designEngineering
The invention relates to a pressure measuring arrangement comprising a pressure measuring cell which is fed by a pressure corresponding to the pressure which is to be measured by a pressure tube filled by a pressurised liquid; at least one pressure recording unit is arranged separately from said cell, said unit being impinged upon by a pressure which is to be measured during operation, producing a pressure corresponding to the pressure which is to be measured via a pressure line filled by a liquid; a connection between the pressure tube and the pressure line. A modular design and a large amount of flexibility is obtained in respect of the spatial arrangement of the pressure measuring cell and the pressure recording unit. The connection consists of a base body wherein at least one end section of the pressure line is arranged, in addition to a pressure screw through which the pressure tube passes and is secured by a fixing element arranged on a side which is oriented towards the base body of the pressure screw. Said pressure screw has a thread which enables it to be screwed onto base body in such a way that the pressure tube and the pressure line are connected, and the connection is effectively sealed between the pressure tube and the pressure line.
Owner:EHNDRESS KHAUZER GMBKH KO KG
Variable-rate pore pressure static sounding test device
InactiveCN103323569AIncrease flexibilityImprove applicabilityMaterial analysisControl systemClassical mechanics
The invention discloses a variable-rate pore pressure static sounding test device. The variable-rate pore pressure static sounding test device comprises a pore pressure static sounding test system, a flexible wall calibrating groove and a pore pressure recording instrument which are connected with one another sequentially from top to bottom, wherein the pore pressure static sounding test system comprises a data acquisition and control system, a back pressure frame, a probe rod, a side wall friction cylinder, a pore pressure filtering ring and a conical head; the flexible wall calibrating groove comprises a top plate, a bottom fixing ring, a bottom plate, a piston, an annular outer wall, an annular film, an inner wall, annular sealing rings, screw rods, test pores, drainage pores, vertical hole pressing pipes, drainage pipes, pore pressure sensor circuit components and a piston guide. The test device has the characteristics of accuracy, high repeatability and the like, and provides a powerful test tool for exploration practice and theoretical research on civil engineering.
Owner:SOUTHEAST UNIV
Non-contact portable tonometer
The invention discloses a non-contact portable tonometer. A central processor unit, an image collecting unit and an air pressurization unit are all arranged in a suitcase, wherein the air pressurization unit comprises an air pulse generation module and a pressure recording and transmission module; the image collecting unit comprises a shooting module and a focusing module; the focusing module receives a control instruction of the central processor unit, and performs focusing action; the non-contact portable tonometer further comprises a network synchronization unit, and the network synchronization unit is used for conducting data packing, encryption and transmission on data output by the central processor unit; the pressure recording and transmission module sends current pressure data generated by the air pulse generation module in real time, and transmits the current pressure data generated by the air pulse generation module to the central processor unit; and the shooting module acquires image data in real time, and sends the image data to the central processor unit, and the central processor unit matches the pressure data with the image data and calculates the hardness of corneathrough a calculation module in the central processor unit. According to the non-contact portable tonometer, based on the portable characteristic and low cost, effects of biomechanics properties of eyes on an existing tonometer are reduced.
Owner:WENZHOU MEDICAL UNIV
Pressure-controlled gas drilling device and method
InactiveCN104563870AMake up for the lossMake up for lost gas supplyLiquid/gas jet drillingWater productionEngineering
The invention provides a pressure-controlled gas drilling device which comprises an air pressurization system, a wellhead system, an air pressure drilling machine and a drilling machine throttling manifold, wherein the air pressurization system comprises a pressurizer and / or an air compressor, a gas flow and pressure recorder, a pressure release pipe and / or a bypass pipe, an emptying pipe and a control valve, and further comprises a pressure return system and a fine throttling manifold; a rotary control head is arranged on the wellhead system; the pressure return system and the fine throttling manifold are connected with the rotary control head. The invention further provides a pressure-controlled gas drilling method. The method comprises the following steps: calculating formation pore pressure according to logging information; under the condition of normal drilling, retaining formation annulus pressure to be equal to the formation pore pressure through a wellhead throttling valve; when a connection or a trip is made, adjusting and compensating the loss of wellbore circulating pressure by the pressure return system. According to the pressure-controlled gas drilling device, the effect of safe drilling of a complicated formation is well achieved by avoiding the phenomenon of water production on a formation in a gas drilling execution process.
Owner:CHINA PETROCHEMICAL CORP +1
Colour-forming materials, contact recording devices and pressure recording devices
InactiveUS9604485B2Evenly distributedForce measurement by measuring optical property variationDiagnostic recording/measuringElastomerBiomedical engineering
The present invention relates to devices and apparatus for detecting contact and optionally its duration and / or recording the level of pressure and / or its duration and / or recording the level of shear force and / or its duration. In particular, certain embodiments of the present invention relate to devices which comprise an element comprising a hydrophobic material and a color-forming material dispersed in at least a portion of the hydrophobic material. Certain embodiments of the present invention relates to materials comprising a solid dispersion of a color-forming material in an elastomeric hydrophobic material. The solid dispersion may take the form of a molecular dispersion or a partial molecular dispersion. Also included in the present invention, although not exclusively, are devices which comprise a hydrophobic material, a color-forming material and a color developing material wherein the color forming material and the color developing material are brought into contact when pressure of a predetermined threshold level is applied or removed from the device.
Owner:ACTIVE DEVICE DEV
Hydraulic signature tester
The present invention provides a subsea apparatus for testing a hydraulic signature which has a fluid supply, a first pressure line coupled to the fluid supply, a second pressure line coupled to the fluid supply; and a pressure recording device operatively coupled to both the first pressure line and the second pressure line. A pressure recording device is capable of storing pre-determined pressure data representative of said pressure lines. The first pressure line functions at a lower pressure than the second pressure line while a pressure recording device records data to allow comparison of actual pressure data on the first and second pressure lines with said stored data.
Owner:THE SUBSEA
Blast exposure recording device
Owner:MED ENG
Ball-throwing type high energy gas fracturing device
InactiveCN106978999AFracturing RealizedRealize the vibration triggering effectSurveyFluid removalCoal matrixHigh energy
The invention belongs to a coal seam gas well fracturing technology, and provides a ball-throwing type high energy gas fracturing device aiming to solve the problem that the proportion of rupture cracks formed by a hydraulic fracturing method is low, and the coal seam methane is difficult to be effectively exploited. The ball-throwing type high energy gas fracturing device comprises an upper sealing unit, a vibration trigger unit, an energy releasing unit, a pressure recording unit, a lower sealing unit and a guide shoe which are connected from the top to bottom in sequence; and the vibration trigger unit completes vibration of a pitching sealing ball, the energy releasing unit completes release of high energy gas generated by burst of the sealing ball, and the top of the upper sealing unit is connected with a ground fracturing truck pumper through a succession oil pipe. The vibration trigger unit of the device can realize an effect of shocking and trigger of the sealing ball, the high energy released by the sealing ball explosion can enter a target coal reservoir through a pressure relief hole of the energy releasing unit, vibration of the area near a well is conducted, an abnormal micro fracturing network system can be developed in coal matrix and communicate with original fracture, the permeability of the coal reservoir is improved, the reservoir is transformed, and increased production is achieved.
Owner:SHANXI JINCHENG ANTHRACITE COAL MINING GRP CO LTD
Intelligent tongue muscle function training appliance and manufacturing method thereof
ActiveCN114797002AAccurate timeExact strengthGymnastic exercisingMechanical engineeringTongue muscles
Owner:AFFILIATED STOMATOLOGICAL HOSPITAL OF NANJING MEDICAL UNIV
Dual Pressure Sensor Aortic-Valve Catheter
ActiveUS20190254543A1Reduce riskMinimally invasiveCatheterDiagnostic recording/measuringProsthetic valveHigh temporal resolution
Disclosed is a system and method for in-situ and instantaneous measurement of a pressure gradient by means of real-time localized pressure measurement with two or more pressure sensors, operating under particular application with respect to blood pressure gradient across the aortic valve, or other heart valves, and associated regurgitation of blood flow due to leakage resulting from insufficient valve closure. The pressure gradient across a diseased valve can provide an indication for the clinical indication for therapeutic intervention, as well as performing quality control following prosthetic valve placement. The body can have a construction including at least one opening in communication with the fluid bed of the circulation of blood, connected by means of a fluid canal passing the length of the catheter in contact with the proximal exterior space for introduction of a guidewire, diagnostic fluid or other therapeutic or diagnostic catheter devices. The system includes a multi-sensor catheter, with sensors arranged along the length of the distal segment of the catheter body, spaced apart to provide simultaneous pressure measurement on either side of the respective valves of the heart, in addition to one or more lumina in the core of the catheter that will provide the means for introduction of diagnostic fluids which flow out through a multitude of holes in the body of the distal segment of the catheter body. Each respective pressure recording can be monitored synchronized with physiological effects, specifically cardiac contraction and electrocardiogram (ECG) events in high temporal resolution.
Owner:WELLINQ HLDG BV
Integrated MBBR-MBR coupled sewage treatment system based on internet of things
PendingCN108975489AExtended service lifeReduce resistanceWater treatment parameter controlTreatment using aerobic processesPeristaltic pumpThe Internet
The invention relates to an integrated MBBR-MBR coupled sewage treatment system based on an internet of things. The integrated MBBR-MBR coupled sewage treatment system based on the internet of thingscomprises a water inlet container, a water inlet peristaltic pump, an MBBR reactor, a water outlet peristaltic pump, a first electrically operated valve, and a water outlet container which are successively connected by a pipeline. The MBBR reactor is internally provided with a membrane module, and the membrane module comprises a membrane silk and a gate-shaped washing pipeline. The integrated MBBR-MBR coupled sewage treatment system based on the internet of things further comprises an MBBR water quality detecting module, a system operating parameter monitoring module, and a control processingmodule. The MBBR water quality detecting module, the system operating parameter monitoring module and a pressure recorder send detected data to a communication module after processed by a data processing module, the communication module sends the processed data to the control processing module, and the control processing module uploads the data to an internet of things cloud platform through the communication module, wherein the internet of things cloud platform is in communication connection with a management terminal. The integrated MBBR-MBR coupled sewage treatment system based on the internet of things is capable of improving sewage treatment capacity of a reaction system, and monitoring practical situations of each sub-system in the system in real time.
Owner:TIANJIN CHENGJIAN UNIV
Device for reliable filling level control in a quenching chamber that is arranged downstream of entrained-flow gasification and has inert-gas flushing of the pressure-recording measuring location
ActiveUS20140069525A1Improve reliabilityIncrease reliability or dependabilityLevel controlFluid-delivery valvesDifferential pressureEngineering
A device for the reliable measurement and control of the filling level in the quencher sump of a quenching chamber arranged downstream of the gasifying chamber is provided. The device has a differential-pressure transmitter. The measuring location recording the pressure of the gas chamber is flushed with inert gas. The device unproblematically senses the pressures in the quenching chamber and at the bottom of the quencher sump. The difference between which is used as a controlled variable for the filling level.
Owner:SIEMENS ENERGY GLOBAL GMBH & CO KG
Method and device for the manufacture of scrubbing brushes and/or painting brushes
A method for the manufacture of scrubbing brushes and / or painting brushes is provided, in which a processing pressure exerted by a processing tool (3, 4) onto a bristle holder (5) to be processed is determined by a pressure sensor (6), which has a pressure-recording surface (7), which is arranged behind the bristle holder (5) to be processed, in the operating direction of the processing tool (3, 4). In this manner, determination of the processing pressure is possible close to the bristle holder (5) to be processed.
Owner:ZAHORANSKY AG
A method for optimizing the pressure of a water supply pipe network by the most unfavorable point pressure based on big data
InactiveCN109447846AReduce power consumptionReduce drug consumptionForecastingUrban water supplyMathematical model
The invention provides a method for optimizing the pressure of a water supply pipe network at the most unfavorable point pressure based on big data, which comprises the following steps of (1) connecting a GPRS pressure record collector and a PLC frequency converter into a water supply network pipe for detecting the factory leaving water pressure of a water plant; (2) according to changes of seasons, climates and temperatures, recording wave crests and wave trough values of the delivery water pressure in the period of time from data of the GPRS pressure recording collector, and obtaining critical pressure values corresponding to the wave crests and the wave troughs in different environments. The method is low in investment, and only one or more GPRS pressure recorders need to be installedat the most unfavorable point. Compared with a pressure reducing valve, the investment is only one tenth of that, the operation is simple and can be realized by simply programming through the frequency converter PLC, so that the manpower is saved. The big data mining and analysis are carried out, and a pressure optimization mathematical model is established. The method is suitable for leakage control of the whole urban water supply system, and the water resources can be saved by more than 20%.
Owner:北京沃尔斯特新技术有限公司
Wire sheath compression test device
InactiveCN109283054APrevent looseningFacilitates pressure resistance testingMaterial strength using tensile/compressive forcesSoftware engineeringData recording
The invention discloses a wire sheath compression test device. The wire sheath compression test device comprises a cabinet, a buffer mechanism and a compression test mechanism. A data recording moduleis fixedly connected to the left side of the inner cavity of the cabinet. A data transmission module is fixedly connected to the right side of the inner cavity of the cabinet. A buffer mechanism is disposed at the bottom of the inner cavity of the cabinet. A compression test mechanism is disposed at the top of the inner cavity of the cabinet. The buffer mechanism comprises a buffer plate. A testbench is fixedly connected to the top of the buffer plate. Pressure recording modules are provided on both sides of the test bench. According to the wire sheath compression test device, the buffer mechanism is provided, so as to increase the buffering force during the test, avoid the looseness of the parts after prolonged use, and prolong the service life of the device. Furthermore, the compression test mechanism is provided, so that it is convenient for the staff to test the compression of the wire sheath, and the problem of inconvenience to the staff test due to the inaccuracy in the test ofthe existing compression test device is solved.
Owner:湖南新耒传导材料科技有限公司
Tar distillation tail gas incineration process and device
PendingCN110986061AReduce the amount requiredReduce in quantityIncinerator apparatusCombustible gasProcess engineering
The invention relates to a tar distillation tail gas incineration process and a tar distillation tail gas incineration device. The tar distillation tail gas incineration device comprises a class-C product storage tank, a class-C product absorption system, a class-A and class-B product absorption system, a temperature recording and adjusting instrument, a proportion adjusting flow recording and adjusting instrument, a flow recording and adjusting instrument, a pressure recording and adjusting instrument, a pressure recording and adjusting instrument A, a breather valve, a pressure adjusting valve, a class-A and class-B product storage tank, an oxygen content analysis instrument, an air fan, a tail gas incinerator, a flow adjusting valve, an electromagnetic valve and a nitrogen self-standingadjusting valve. The tar distillation tail gas incineration process and the tar distillation tail gas incineration device have the beneficial effects that different treatment methods are adopted according to tail gas attributes, combustible gases in the tail gas are utilized, meanwhile, the tail gas treatment quantity is reduced, the risks and hidden dangers are reduced, and the operation cost isreduced.
Owner:ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC
Hydraulic Signature Tester
The present invention provides a subsea apparatus for testing a hydraulic signature which has a fluid supply, a first pressure line coupled to the fluid supply, a second pressure line coupled to the fluid supply; and a pressure recording device operatively coupled to both the first pressure line and the second pressure line. A pressure recording device is capable of storing pre-determined pressure data representative of said pressure lines. The first pressure line functions at a lower pressure than the second pressure line while a pressure recording device records data to allow comparison of actual pressure data on the first and second pressure lines with said stored data.
Owner:THE SUBSEA
Method based on measurement of permeability of waterproof coating
InactiveCN107764709AThe measurement result is accurateImprove assay efficiencyPreparing sample for investigationPermeability/surface area analysisWater basedPermeameter
The invention discloses a measurement method based on the permeability of waterproof coatings. It is formulated into mortar, and the water-cement ratio is determined based on the water permeability of the mortar specimen under a pressure of 0.3-0.4 MPa. After demoulding, it is put into water for curing for 7 days. Take it out and wait for the surface to dry, seal it with a sealing material and put it into the permeameter to carry out the impermeability test of the mortar specimen. The preparation of the coating impermeability specimen is to remove the permeable mortar specimen from the permeation instrument. Evenly smear the mixed sample on the surface of the upper mouth, put the prepared impermeability test piece into the cement standard curing box and place it for 168h; take the impermeability test piece out of the cement standard curing box, place it under standard conditions, and wait for After the surface is dry, put it into the permeameter, carry out the impermeability test of the coating impermeability test piece according to the pressurization procedure described in the preparation of the sand-packed test piece, and record the water pressure at that time. The measurement result of the measurement method is accurate and the measurement efficiency is high, so that the parameters can be strictly controlled during the subsequent use of the paint, and the quality is guaranteed.
Owner:陈飞
Waist and abdomen compression device
The invention provides a sports instrument which exercises abdominal muscles and improves the functions of visceral organs mainly depending on the physical impact motion inside human bodies without depending on external contact. The sports instrument comprises an abdominal belt, a compressed air pipeline system connected with air bags, a pressure recording device, a recording program, an analysis program and a control program, wherein the air bags are adhered to one side of the abdominal belt; the compressed air pipeline system comprises an air pipeline and a pressure control device; a plurality of pressure sensors are adhered to the side, opposite to the air bags, of the abdominal belt; the pressure recording device comprises a control host; the control host receives the data of the pressure sensors through a receiver.
Owner:ANQING NORMAL UNIV
Bending and cutting device for fitness equipment processing
ActiveCN113635071BImprove stabilityImprove stamping and bending accuracyWork clamping meansOther manufacturing equipments/toolsMagnetic tension forcePunching
Owner:南通荣盛健身器材有限公司
Oil storage exhaust gas sealed recovering process by using self-produced surplus hydrogen
PendingCN109812703AReduce the impact of gas qualityReduce the amount of nitrogenLarge containersPipeline systemsHydrogenNitrogen
The invention relates to an oil storage exhaust gas sealed recovering process by using self-produced surplus hydrogen. An oil storage exhaust gas sealed recovering device comprises a gas storing and releasing buffering tank, an induced fan, a hydrogen buffering tank, a pressure adjustment valve, a pressure relief valve, a self-support hydrogen adjustment valve, a self-support nitrogen adjustment valve, a first safety valve, a second safety valve, a first valve, a second valve, a pressure recording control instrument PRC01 and a pressure recording control instrument PRC02. The oil storage exhaust gas sealed recovering device has the beneficial effects that the surplus hydrogen produced by a PSA variable-pressure adsorption hydrogen producing unit is used as the sealed gas source of the oilstorage gas releasing system, the released gas is recovered and conveyed to a raw material coal gas pipeline of the PSA variable-pressure adsorption hydrogen producing unit under the controllable state, the problem of the direct drainage of the released gas of an oil storage can be solved, the environmental pollution is reduced, the cost is low, and the energy conservation and environmental protection are achieved.
Owner:ACRE COKING & REFRACTORY ENG CONSULTING CORP DALIAN MCC
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